From d0e9df5a4932435152af8d566184039eba4453f3 Mon Sep 17 00:00:00 2001
From: Aagam Shah <aagams68@gmail.com>
Date: Sat, 23 Sep 2017 21:18:55 +0530
Subject: [PATCH] fix: fixes runtime permissions

---
 app/app.iml                                   |  78 +++--
 app/build.gradle                              |   9 +-
 .../java/com/peacecorps/pcsa/Constants.java   |  10 +-
 .../com/peacecorps/pcsa/MainActivity.java     | 121 ++++----
 .../com/peacecorps/pcsa/PermissionUtil.java   |  38 +++
 .../CircleOfTrustFragment.java                | 278 +++++++++++-------
 .../pcsa/circle_of_trust/LocationHelper.java  |  14 +-
 .../pcsa/get_help_now/ContactPostStaff.java   | 136 +++++++--
 .../pcsa/get_help_now/OtherStaffContent.java  | 110 ++++++-
 app/src/main/res/values/strings.xml           |   5 +
 10 files changed, 555 insertions(+), 244 deletions(-)
 create mode 100644 app/src/main/java/com/peacecorps/pcsa/PermissionUtil.java

diff --git a/app/app.iml b/app/app.iml
index 07f57a2..3c259bc 100644
--- a/app/app.iml
+++ b/app/app.iml
@@ -9,7 +9,6 @@
     <facet type="android" name="Android">
       <configuration>
         <option name="SELECTED_BUILD_VARIANT" value="debug" />
-        <option name="SELECTED_TEST_ARTIFACT" value="_android_test_" />
         <option name="ASSEMBLE_TASK_NAME" value="assembleDebug" />
         <option name="COMPILE_JAVA_TASK_NAME" value="compileDebugSources" />
         <afterSyncTasks>
@@ -45,70 +44,87 @@
       <sourceFolder url="file://$MODULE_DIR$/src/debug/assets" type="java-resource" />
       <sourceFolder url="file://$MODULE_DIR$/src/debug/aidl" isTestSource="false" />
       <sourceFolder url="file://$MODULE_DIR$/src/debug/java" isTestSource="false" />
-      <sourceFolder url="file://$MODULE_DIR$/src/debug/jni" isTestSource="false" />
       <sourceFolder url="file://$MODULE_DIR$/src/debug/rs" isTestSource="false" />
       <sourceFolder url="file://$MODULE_DIR$/src/testDebug/res" type="java-test-resource" />
       <sourceFolder url="file://$MODULE_DIR$/src/testDebug/resources" type="java-test-resource" />
       <sourceFolder url="file://$MODULE_DIR$/src/testDebug/assets" type="java-test-resource" />
       <sourceFolder url="file://$MODULE_DIR$/src/testDebug/aidl" isTestSource="true" />
       <sourceFolder url="file://$MODULE_DIR$/src/testDebug/java" isTestSource="true" />
-      <sourceFolder url="file://$MODULE_DIR$/src/testDebug/jni" isTestSource="true" />
       <sourceFolder url="file://$MODULE_DIR$/src/testDebug/rs" isTestSource="true" />
       <sourceFolder url="file://$MODULE_DIR$/src/main/res" type="java-resource" />
       <sourceFolder url="file://$MODULE_DIR$/src/main/resources" type="java-resource" />
       <sourceFolder url="file://$MODULE_DIR$/src/main/assets" type="java-resource" />
       <sourceFolder url="file://$MODULE_DIR$/src/main/aidl" isTestSource="false" />
       <sourceFolder url="file://$MODULE_DIR$/src/main/java" isTestSource="false" />
-      <sourceFolder url="file://$MODULE_DIR$/src/main/jni" isTestSource="false" />
       <sourceFolder url="file://$MODULE_DIR$/src/main/rs" isTestSource="false" />
       <sourceFolder url="file://$MODULE_DIR$/src/androidTest/res" type="java-test-resource" />
       <sourceFolder url="file://$MODULE_DIR$/src/androidTest/resources" type="java-test-resource" />
       <sourceFolder url="file://$MODULE_DIR$/src/androidTest/assets" type="java-test-resource" />
       <sourceFolder url="file://$MODULE_DIR$/src/androidTest/aidl" isTestSource="true" />
       <sourceFolder url="file://$MODULE_DIR$/src/androidTest/java" isTestSource="true" />
-      <sourceFolder url="file://$MODULE_DIR$/src/androidTest/jni" isTestSource="true" />
       <sourceFolder url="file://$MODULE_DIR$/src/androidTest/rs" isTestSource="true" />
       <sourceFolder url="file://$MODULE_DIR$/src/test/res" type="java-test-resource" />
       <sourceFolder url="file://$MODULE_DIR$/src/test/resources" type="java-test-resource" />
       <sourceFolder url="file://$MODULE_DIR$/src/test/assets" type="java-test-resource" />
       <sourceFolder url="file://$MODULE_DIR$/src/test/aidl" isTestSource="true" />
       <sourceFolder url="file://$MODULE_DIR$/src/test/java" isTestSource="true" />
-      <sourceFolder url="file://$MODULE_DIR$/src/test/jni" isTestSource="true" />
       <sourceFolder url="file://$MODULE_DIR$/src/test/rs" isTestSource="true" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/assets" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/classes" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/dependency-cache" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/dex" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/com.android.support/animated-vector-drawable/23.4.0/jars" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/com.android.support/appcompat-v7/23.4.0/jars" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/com.android.support/design/23.4.0/jars" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/com.android.support/recyclerview-v7/23.4.0/jars" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/com.android.support/support-v4/23.4.0/jars" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/com.android.support/support-vector-drawable/23.4.0/jars" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/com.github.paolorotolo/appintro/1.4.0/jars" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/blame" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/com.android.support.test.espresso/espresso-core/2.2.2/jars" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/com.android.support.test.espresso/espresso-idling-resource/2.2.2/jars" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/com.android.support.test/exposed-instrumentation-api-publish/0.5/jars" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/com.android.support.test/rules/0.5/jars" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/com.android.support.test/runner/0.5/jars" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/com.android.support/animated-vector-drawable/25.3.1/jars" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/com.android.support/appcompat-v7/25.3.1/jars" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/com.android.support/design/25.3.1/jars" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/com.android.support/recyclerview-v7/25.3.1/jars" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/com.android.support/support-compat/25.3.1/jars" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/com.android.support/support-core-ui/25.3.1/jars" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/com.android.support/support-core-utils/25.3.1/jars" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/com.android.support/support-fragment/25.3.1/jars" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/com.android.support/support-media-compat/25.3.1/jars" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/com.android.support/support-v4/25.3.1/jars" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/com.android.support/support-vector-drawable/25.3.1/jars" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/com.android.support/transition/25.3.1/jars" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/incremental" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/manifests" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/mockable-android-23.jar" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/pre-dexed" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/res" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/resources" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/rs" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/symbols" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/tmp" />
       <excludeFolder url="file://$MODULE_DIR$/build/outputs" />
-      <excludeFolder url="file://$MODULE_DIR$/build/tmp" />
+      <excludeFolder url="jar://$MODULE_DIR$/build/intermediates/mockable-android-25.jar!/" />
     </content>
-    <orderEntry type="jdk" jdkName="Android API 23 Platform" jdkType="Android SDK" />
+    <orderEntry type="jdk" jdkName="Android API 25 Platform" jdkType="Android SDK" />
     <orderEntry type="sourceFolder" forTests="false" />
-    <orderEntry type="library" exported="" name="appintro-1.4.0" level="project" />
-    <orderEntry type="library" exported="" scope="TEST" name="mockable-android-23" level="project" />
-    <orderEntry type="library" exported="" name="design-23.4.0" level="project" />
-    <orderEntry type="library" exported="" name="appcompat-v7-23.4.0" level="project" />
-    <orderEntry type="library" exported="" name="support-annotations-23.4.0" level="project" />
-    <orderEntry type="library" exported="" name="animated-vector-drawable-23.4.0" level="project" />
-    <orderEntry type="library" exported="" name="support-vector-drawable-23.4.0" level="project" />
-    <orderEntry type="library" exported="" name="recyclerview-v7-23.4.0" level="project" />
-    <orderEntry type="library" exported="" name="support-v4-23.4.0" level="project" />
-    <orderEntry type="library" exported="" name="android-android-23" level="project" />
+    <orderEntry type="library" exported="" name="runner-0.5" level="project" />
+    <orderEntry type="library" exported="" name="espresso-idling-resource-2.2.2" level="project" />
+    <orderEntry type="library" exported="" name="hamcrest-library-1.3" level="project" />
+    <orderEntry type="library" exported="" name="transition-25.3.1" level="project" />
+    <orderEntry type="library" exported="" scope="TEST" name="mockable-android-25" level="project" />
+    <orderEntry type="library" exported="" name="hamcrest-integration-1.3" level="project" />
+    <orderEntry type="library" exported="" name="design-25.3.1" level="project" />
+    <orderEntry type="library" exported="" name="support-core-ui-25.3.1" level="project" />
+    <orderEntry type="library" exported="" name="jsr305-2.0.1" level="project" />
+    <orderEntry type="library" exported="" name="support-core-utils-25.3.1" level="project" />
+    <orderEntry type="library" exported="" name="support-fragment-25.3.1" level="project" />
+    <orderEntry type="library" exported="" name="espresso-core-2.2.2" level="project" />
+    <orderEntry type="library" exported="" name="exposed-instrumentation-api-publish-0.5" level="project" />
+    <orderEntry type="library" exported="" name="rules-0.5" level="project" />
+    <orderEntry type="library" exported="" name="javax.annotation-api-1.2" level="project" />
+    <orderEntry type="library" exported="" name="javax.inject-1" level="project" />
+    <orderEntry type="library" exported="" name="javawriter-2.1.1" level="project" />
+    <orderEntry type="library" exported="" name="support-v4-25.3.1" level="project" />
+    <orderEntry type="library" exported="" name="support-media-compat-25.3.1" level="project" />
+    <orderEntry type="library" exported="" name="hamcrest-core-1.3" level="project" />
+    <orderEntry type="library" exported="" name="junit-4.12" level="project" />
+    <orderEntry type="library" exported="" name="recyclerview-v7-25.3.1" level="project" />
+    <orderEntry type="library" exported="" name="support-annotations-25.3.1" level="project" />
+    <orderEntry type="library" exported="" name="appcompat-v7-25.3.1" level="project" />
+    <orderEntry type="library" exported="" name="support-vector-drawable-25.3.1" level="project" />
+    <orderEntry type="library" exported="" name="support-compat-25.3.1" level="project" />
+    <orderEntry type="library" exported="" name="animated-vector-drawable-25.3.1" level="project" />
   </component>
 </module>
\ No newline at end of file
diff --git a/app/build.gradle b/app/build.gradle
index 91d807c..d89f0b5 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -1,13 +1,13 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 23
-    buildToolsVersion '22.0.1'
+    compileSdkVersion 25
+    buildToolsVersion '25.0.3'
 
     defaultConfig {
         applicationId "com.peacecorps.pcsa"
         minSdkVersion 11
-        targetSdkVersion 22
+        targetSdkVersion 25
         versionCode 1
         versionName "1.0"
         testInstrumentationRunner 'android.support.test.runner.AndroidJUnitRunner'
@@ -31,9 +31,6 @@ dependencies {
     compile 'com.android.support:appcompat-v7:23.4.0'
     compile 'com.android.support:design:23.4.0'
     compile 'com.android.support:support-v4:23.4.0'
-
-
-
     compile 'com.android.support.test.espresso:espresso-core:2.2.2'
     compile 'com.android.support.test:runner:0.5'
 }
diff --git a/app/src/main/java/com/peacecorps/pcsa/Constants.java b/app/src/main/java/com/peacecorps/pcsa/Constants.java
index 60b175b..ce17815 100644
--- a/app/src/main/java/com/peacecorps/pcsa/Constants.java
+++ b/app/src/main/java/com/peacecorps/pcsa/Constants.java
@@ -4,6 +4,10 @@
  * Stores all the constants used in the project.
  */
 public class Constants {
+    public static final String TAG_LOCATION = "#LOC#";
+    public static final String TAG_LOCATION_URL = "#LOC_URL#";
+    public static final String LOCATION_URL = "http://maps.google.com/?q=LAT,LON";
+
     public static final class SmsConstants {
         public static final String COME_GET_ME = "Come get me";
         public static final String CALL_NEED_INTERRUPTION = "Call I need an interruption";
@@ -11,7 +15,7 @@ public static final class SmsConstants {
         public static final String SMS_REPORT = "SMS report";
     }
 
-    public static final String TAG_LOCATION = "#LOC#";
-    public static final String TAG_LOCATION_URL = "#LOC_URL#";
-    public static final String LOCATION_URL = "http://maps.google.com/?q=LAT,LON";
+    public static final class PermissionConstants {
+        public static final int PERMISSION_CALLBACK = 100;
+    }
 }
diff --git a/app/src/main/java/com/peacecorps/pcsa/MainActivity.java b/app/src/main/java/com/peacecorps/pcsa/MainActivity.java
index 6c3b943..4ef54c7 100644
--- a/app/src/main/java/com/peacecorps/pcsa/MainActivity.java
+++ b/app/src/main/java/com/peacecorps/pcsa/MainActivity.java
@@ -40,7 +40,6 @@
 import com.peacecorps.pcsa.support_services.ConfidentialityFragment;
 import com.peacecorps.pcsa.support_services.MythbustersFragment;
 
-import java.lang.reflect.Array;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.HashMap;
@@ -50,43 +49,42 @@
 
 public class MainActivity extends AppCompatActivity {
 
+    private static final String TAG = MainActivity.class.getSimpleName();
+    private static final int PERMISSION_CALLBACK = 100;
+    private static final int PERMISSION_SETTINGS = 101;
+    public static boolean refreshList = false;
+    public static String FRAGMENT_TAG = MainActivityFragment.TAG;
     private Toolbar toolbar;
     private DrawerLayout mDrawer;
     private NavDrawerListAdapter listAdapter;
     private ExpandableListView expListView;
     private List<String> listDataHeader;
-    public static boolean refreshList= false;
     private HashMap<String, List<String>> listDataChild;
-    private static final String TAG = MainActivity.class.getSimpleName();
-    public static String FRAGMENT_TAG = MainActivityFragment.TAG;
     private FragmentManager fragmentManager = getSupportFragmentManager();
     SharedPreferences sharedPreferences;
-    private int lastExpandedGroup=-1;
+    private int lastExpandedGroup = -1;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
-        if(savedInstanceState != null)
-        {
+        if (savedInstanceState != null) {
             /*
             * Check if instance of the required fragment is available
             * in the backstack and swap it into the container
             */
             Fragment unknownFragment = fragmentManager.findFragmentByTag(FRAGMENT_TAG);
-            if(unknownFragment != null){
-                MainActivity.swapFragmentIn(this,unknownFragment,FRAGMENT_TAG,false);
+            if (unknownFragment != null) {
+                MainActivity.swapFragmentIn(this, unknownFragment, FRAGMENT_TAG, false);
             }
-        }
-        else
-        {
+        } else {
             Fragment mainActivityFragment = new MainActivityFragment();
-            swapFragmentIn(this,mainActivityFragment,MainActivityFragment.TAG,false);
+            swapFragmentIn(this, mainActivityFragment, MainActivityFragment.TAG, false);
         }
         sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
-        toolbar = (Toolbar)findViewById(R.id.toolbar);
+        toolbar = (Toolbar) findViewById(R.id.toolbar);
         setSupportActionBar(toolbar);
-        mDrawer = (DrawerLayout)findViewById(R.id.drawer_layout);
+        mDrawer = (DrawerLayout) findViewById(R.id.drawer_layout);
         ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(
                 this, mDrawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close);
         mDrawer.addDrawerListener(toggle);
@@ -102,13 +100,13 @@ public boolean onGroupClick(ExpandableListView parent, View v, int groupPosition
                     case 0:
                         //Swapping ContactPostStaff into the fragment container dynamically
                         Fragment contactPostStaffFragment = new ContactPostStaff();
-                        MainActivity.swapFragmentIn(MainActivity.this,contactPostStaffFragment,ContactPostStaff.TAG,true);
+                        MainActivity.swapFragmentIn(MainActivity.this, contactPostStaffFragment, ContactPostStaff.TAG, true);
                         mDrawer.closeDrawer(GravityCompat.START);
                         break;
                     case 1:
                         //Swapping CircleOfTrustFragment into the container
                         CircleOfTrustFragment circleOfTrustFragment = new CircleOfTrustFragment();
-                        MainActivity.swapFragmentIn(MainActivity.this,circleOfTrustFragment,CircleOfTrustFragment.TAG,true);
+                        MainActivity.swapFragmentIn(MainActivity.this, circleOfTrustFragment, CircleOfTrustFragment.TAG, true);
                         mDrawer.closeDrawer(GravityCompat.START);
                         break;
                     case 6:
@@ -117,7 +115,7 @@ public boolean onGroupClick(ExpandableListView parent, View v, int groupPosition
                         mDrawer.closeDrawer(GravityCompat.START);
                         break;
                     case 7:
-                        Toast.makeText(MainActivity.this,getString(R.string.change_name),Toast.LENGTH_LONG).show();
+                        Toast.makeText(MainActivity.this, getString(R.string.change_name), Toast.LENGTH_LONG).show();
                 }
                 return false;
             }
@@ -136,111 +134,108 @@ public void onGroupExpand(int groupPosition) {
             @Override
             public boolean onChildClick(ExpandableListView parent, View v, int groupPosition, int childPosition, long id) {
 
-                switch (groupPosition)
-                {
+                switch (groupPosition) {
                     case 2:
-                        switch (childPosition)
-                        {
+                        switch (childPosition) {
                             case 0:
                                 //Swapping RadarFragment into the container
                                 RadarFragment radarFragment = new RadarFragment();
-                                MainActivity.swapFragmentIn(MainActivity.this,radarFragment,RadarFragment.TAG,true);
+                                MainActivity.swapFragmentIn(MainActivity.this, radarFragment, RadarFragment.TAG, true);
                                 break;
                             case 1:
                                 //Swapping UnwantedAttentionStrategies into the container
                                 CopingFragment copingFragment = new CopingFragment();
-                                MainActivity.swapFragmentIn(MainActivity.this,copingFragment,CopingFragment.TAG,true);
+                                MainActivity.swapFragmentIn(MainActivity.this, copingFragment, CopingFragment.TAG, true);
                                 break;
                             case 2:
                                 //Swapping TacticsFragment into the container
                                 TacticsFragment tacticsFragment = new TacticsFragment();
-                                MainActivity.swapFragmentIn(MainActivity.this,tacticsFragment, TacticsFragment.TAG,true);
+                                MainActivity.swapFragmentIn(MainActivity.this, tacticsFragment, TacticsFragment.TAG, true);
                                 break;
                             case 3:
                                 //Swapping Bystander Fragment into the container
                                 BystanderInterventionFragment bystanderInterventionFragment = new BystanderInterventionFragment();
-                                MainActivity.swapFragmentIn(MainActivity.this,bystanderInterventionFragment, BystanderInterventionFragment.TAG,true);
+                                MainActivity.swapFragmentIn(MainActivity.this, bystanderInterventionFragment, BystanderInterventionFragment.TAG, true);
                                 break;
                             case 4:
                                 //Swapping Safety Plan Basics Fragment into the container
                                 SafetyPlanBasicsFragment safetyPlanBasicsFragment = new SafetyPlanBasicsFragment();
-                                MainActivity.swapFragmentIn(MainActivity.this,safetyPlanBasicsFragment, SafetyPlanBasicsFragment.TAG,true);
+                                MainActivity.swapFragmentIn(MainActivity.this, safetyPlanBasicsFragment, SafetyPlanBasicsFragment.TAG, true);
                                 break;
                             case 5:
                                 //Swapping Safety Plan Fragment into the container
-                                Intent intent  = new Intent(MainActivity.this,SafetyPlanActivity.class);
+                                Intent intent = new Intent(MainActivity.this, SafetyPlanActivity.class);
                                 startActivity(intent);
                                 break;
 
                         }
                         break;
                     case 3:
-                        switch (childPosition)
-                        {
+                        switch (childPosition) {
                             case 0:
-                                SingleTextViewFragment.showSingleTextLayout(MainActivity.this,getString(R.string.benefits),getString(R.string.benefits_subtitle),getString(R.string.benefits_info));            break;
+                                SingleTextViewFragment.showSingleTextLayout(MainActivity.this, getString(R.string.benefits), getString(R.string.benefits_subtitle), getString(R.string.benefits_info));
+                                break;
                             case 1:
                                 AvailableFragment availableFragment = new AvailableFragment();
-                                MainActivity.swapFragmentIn(MainActivity.this,availableFragment,AvailableFragment.TAG,true);
+                                MainActivity.swapFragmentIn(MainActivity.this, availableFragment, AvailableFragment.TAG, true);
                                 break;
                             case 2:
-                                SingleTextViewFragment.showSingleTextLayout(MainActivity.this,getString(R.string.commitment),getString(R.string.commitment_subtitle),getString(R.string.commitment_info));
+                                SingleTextViewFragment.showSingleTextLayout(MainActivity.this, getString(R.string.commitment), getString(R.string.commitment_subtitle), getString(R.string.commitment_info));
                                 break;
                             case 3:
                                 //Swapping AfterAssaultFragment into the container
                                 AfterAssaultFragment afterAssaultFragment = new AfterAssaultFragment();
-                                MainActivity.swapFragmentIn(MainActivity.this,afterAssaultFragment,AfterAssaultFragment.TAG,true);
+                                MainActivity.swapFragmentIn(MainActivity.this, afterAssaultFragment, AfterAssaultFragment.TAG, true);
                                 break;
                             case 4:
                                 //Swapping ConfidentialityFragment into the container
                                 ConfidentialityFragment confidentialityFragment = new ConfidentialityFragment();
-                                MainActivity.swapFragmentIn(MainActivity.this,confidentialityFragment,ConfidentialityFragment.TAG,true);
+                                MainActivity.swapFragmentIn(MainActivity.this, confidentialityFragment, ConfidentialityFragment.TAG, true);
                                 break;
                             case 5:
                                 //Swapping MythbustersFragment into the container
                                 MythbustersFragment mythbustersFragment = new MythbustersFragment();
-                                MainActivity.swapFragmentIn(MainActivity.this,mythbustersFragment,MythbustersFragment.TAG,true);
+                                MainActivity.swapFragmentIn(MainActivity.this, mythbustersFragment, MythbustersFragment.TAG, true);
                                 break;
                         }
                         break;
                     case 4:
-                        switch (childPosition)
-                        {
+                        switch (childPosition) {
                             case 0:
                                 Fragment wasFragment = new WasFragment();
-                                MainActivity.swapFragmentIn(MainActivity.this,wasFragment,WasFragment.TAG,true);
+                                MainActivity.swapFragmentIn(MainActivity.this, wasFragment, WasFragment.TAG, true);
                                 break;
                             case 1:
                                 Fragment commonFragment = new CommonFragment();
-                                MainActivity.swapFragmentIn(MainActivity.this,commonFragment,CommonFragment.TAG,true);
+                                MainActivity.swapFragmentIn(MainActivity.this, commonFragment, CommonFragment.TAG, true);
                                 break;
                             case 2:
-                                SingleTextViewFragment.showSingleTextLayout(MainActivity.this,getString(R.string.impact),
-                                        getString(R.string.impact_subtitle),getString(R.string.impact_sexual_assault));                                break;
+                                SingleTextViewFragment.showSingleTextLayout(MainActivity.this, getString(R.string.impact),
+                                        getString(R.string.impact_subtitle), getString(R.string.impact_sexual_assault));
+                                break;
                             case 3:
                                 Fragment harassmentFragment = new HarassmentFragment();
-                                MainActivity.swapFragmentIn(MainActivity.this,harassmentFragment,HarassmentFragment.TAG,true);
+                                MainActivity.swapFragmentIn(MainActivity.this, harassmentFragment, HarassmentFragment.TAG, true);
                                 break;
                             case 4:
                                 Fragment helpingButton = new HelpingFragment();
-                                MainActivity.swapFragmentIn(MainActivity.this,helpingButton,HelpingFragment.TAG,true);
+                                MainActivity.swapFragmentIn(MainActivity.this, helpingButton, HelpingFragment.TAG, true);
                                 break;
                         }
                         break;
                     case 5:
-                        switch (childPosition)
-                        {
+                        switch (childPosition) {
                             case 0:
-                                SingleTextViewFragment.showSingleTextLayout(MainActivity.this,getString(R.string.policies_title),getString(R.string.subtitle_policies)
-                                        ,getString(R.string.policies_all));
+                                SingleTextViewFragment.showSingleTextLayout(MainActivity.this, getString(R.string.policies_title), getString(R.string.subtitle_policies)
+                                        , getString(R.string.policies_all));
                                 break;
                             case 1:
                                 GlossaryFragment glossaryFragment = new GlossaryFragment();
-                                MainActivity.swapFragmentIn(MainActivity.this,glossaryFragment,GlossaryFragment.TAG,true);
+                                MainActivity.swapFragmentIn(MainActivity.this, glossaryFragment, GlossaryFragment.TAG, true);
                                 break;
                             case 2:
                                 FurtherResourcesFragment furtherResourcesFragment = new FurtherResourcesFragment();
-                                MainActivity.swapFragmentIn(MainActivity.this,furtherResourcesFragment,FurtherResourcesFragment.TAG,true);
+                                MainActivity.swapFragmentIn(MainActivity.this, furtherResourcesFragment, FurtherResourcesFragment.TAG, true);
                                 break;
                         }
                         break;
@@ -251,8 +246,7 @@ public boolean onChildClick(ExpandableListView parent, View v, int groupPosition
         });
     }
 
-    public static void swapFragmentIn(FragmentActivity activity, Fragment fragment, String TAG, boolean addToBackStack)
-    {
+    public static void swapFragmentIn(FragmentActivity activity, Fragment fragment, String TAG, boolean addToBackStack) {
         FragmentManager fragmentManager = activity.getSupportFragmentManager();
         // Insert the fragment by replacing any existing fragment
         FRAGMENT_TAG = TAG;
@@ -261,7 +255,7 @@ public static void swapFragmentIn(FragmentActivity activity, Fragment fragment,
         int animPopEnter = R.anim.fade_in_back;
         int animPopExit = R.anim.fade_out_back;
 
-        if(addToBackStack){
+        if (addToBackStack) {
             if (TAG.equals(ContactOtherStaff.TAG)) {
                 animEnter = R.anim.fade_in;
                 animExit = R.anim.fade_out;
@@ -271,7 +265,7 @@ public static void swapFragmentIn(FragmentActivity activity, Fragment fragment,
             fragmentManager.beginTransaction()
                     .setCustomAnimations(animEnter, animExit, animPopEnter, animPopExit)
                     .replace(R.id.fragment_container
-                            , fragment,TAG)
+                            , fragment, TAG)
                     .addToBackStack(TAG)
                     .commit();
         } else {
@@ -280,7 +274,7 @@ public static void swapFragmentIn(FragmentActivity activity, Fragment fragment,
             fragmentManager.beginTransaction()
                     .setCustomAnimations(animEnter, animExit, animPopEnter, animPopExit)
                     .replace(R.id.fragment_container
-                            , fragment,TAG)
+                            , fragment, TAG)
                     .commit();
         }
     }
@@ -292,9 +286,9 @@ private void prepareListData() {
 
         listDataChild = new HashMap<String, List<String>>();
         listDataHeader = new LinkedList<>(Arrays.asList(getResources().getStringArray(R.array.headers)));
-        String userName = sharedPreferences.getString(getString(R.string.key_name),"");
-        String lastElement = listDataHeader.get(listDataHeader.size()-1) + " " + userName.trim();
-        listDataHeader.remove(listDataHeader.size()-1);
+        String userName = sharedPreferences.getString(getString(R.string.key_name), "");
+        String lastElement = listDataHeader.get(listDataHeader.size() - 1) + " " + userName.trim();
+        listDataHeader.remove(listDataHeader.size() - 1);
         listDataHeader.add(lastElement);
 
         List<String> getHelpNow = new ArrayList<>();
@@ -329,11 +323,11 @@ public void onBackPressed() {
     @Override
     protected void onPause() {
         super.onPause();
-        overridePendingTransition(R.anim.fade_in,R.anim.fade_out);
-        try{
+        overridePendingTransition(R.anim.fade_in, R.anim.fade_out);
+        try {
             unregisterReceiver(CircleOfTrustFragment.sentReceiver);
-        }catch (IllegalArgumentException e){
-            Log.e(TAG,"Not registered");
+        } catch (IllegalArgumentException e) {
+            Log.e(TAG, "Not registered");
         }
     }
 
@@ -341,8 +335,7 @@ protected void onPause() {
     protected void onResume() {
         super.onResume();
         registerReceiver(CircleOfTrustFragment.sentReceiver, new IntentFilter(CircleOfTrustFragment.SENT));
-        if(refreshList)
-        {
+        if (refreshList) {
             refreshList = false;
             prepareListData();
             listAdapter = new NavDrawerListAdapter(this, listDataHeader, listDataChild);
diff --git a/app/src/main/java/com/peacecorps/pcsa/PermissionUtil.java b/app/src/main/java/com/peacecorps/pcsa/PermissionUtil.java
new file mode 100644
index 0000000..f934074
--- /dev/null
+++ b/app/src/main/java/com/peacecorps/pcsa/PermissionUtil.java
@@ -0,0 +1,38 @@
+package com.peacecorps.pcsa;
+
+import android.content.Context;
+import android.content.pm.PackageManager;
+import android.support.v4.content.ContextCompat;
+
+/**
+ * Utility class that wraps access to the runtime permissions API in M and provides basic helper
+ * methods.
+ *
+ * @author Aagam Shah
+ * @since 4/21/2017
+ */
+
+public abstract class PermissionUtil {
+
+    /**
+     * @param permission The permission to check for.
+     * @param context    Context returned by getActivity().
+     * @return true if permission is granted.
+     */
+    public static boolean isPermissionGranted(String permission, Context context) {
+        return ContextCompat.checkSelfPermission(context, permission) == PackageManager.PERMISSION_GRANTED;
+    }
+
+    /**
+     * @param permissions Permissions required at run time.
+     * @param context     Context returned by getActivity().
+     * @return true if all permissions are granted.
+     */
+    public static boolean areAllRunTimePermissionsGranted(String[] permissions, Context context) {
+        boolean allPermissionsGranted = true;
+        for (String permission : permissions) {
+            allPermissionsGranted = allPermissionsGranted && isPermissionGranted(permission, context);
+        }
+        return allPermissionsGranted;
+    }
+}
diff --git a/app/src/main/java/com/peacecorps/pcsa/circle_of_trust/CircleOfTrustFragment.java b/app/src/main/java/com/peacecorps/pcsa/circle_of_trust/CircleOfTrustFragment.java
index 9d5572c..a61677f 100644
--- a/app/src/main/java/com/peacecorps/pcsa/circle_of_trust/CircleOfTrustFragment.java
+++ b/app/src/main/java/com/peacecorps/pcsa/circle_of_trust/CircleOfTrustFragment.java
@@ -1,15 +1,25 @@
 package com.peacecorps.pcsa.circle_of_trust;
 
+import android.Manifest;
 import android.app.Activity;
 import android.app.PendingIntent;
 import android.content.BroadcastReceiver;
 import android.content.Context;
+import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.SharedPreferences;
+import android.content.pm.PackageManager;
 import android.location.Location;
+import android.net.Uri;
+import android.os.Build;
 import android.os.Bundle;
 import android.os.Vibrator;
+import android.provider.Settings;
+import android.support.annotation.NonNull;
+import android.support.design.widget.Snackbar;
+import android.support.v4.app.ActivityCompat;
 import android.support.v4.app.Fragment;
+import android.support.v7.app.AlertDialog;
 import android.support.v7.app.AppCompatActivity;
 import android.telephony.SmsManager;
 import android.telephony.TelephonyManager;
@@ -24,15 +34,17 @@
 
 import com.peacecorps.pcsa.Constants;
 import com.peacecorps.pcsa.Constants.SmsConstants;
+import com.peacecorps.pcsa.PermissionUtil;
 import com.peacecorps.pcsa.R;
 
-
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
 
+import static com.peacecorps.pcsa.Constants.PermissionConstants.PERMISSION_CALLBACK;
+
 
 /*
  * Circle of Trust main fragment
@@ -42,9 +54,23 @@
  */
 public class CircleOfTrustFragment extends Fragment {
     public static final String TAG = CircleOfTrustFragment.class.getSimpleName();
+    public final static String SENT = "300";
     private static final String MY_PREFERENCES = "MyPreference";
     private static final String NAME_KEY = "ComradeName";
+    public static BroadcastReceiver sentReceiver;
+    static Map allNames = new HashMap();
     private static int REQUEST_CODE_TRUSTEES = 1001;
+    private static boolean firstTime = false;
+    private static int msgParts;
+    private static List<Boolean> sent = new ArrayList<>();
+    private final String[] runTimePermissions = new String[]{Manifest.permission.ACCESS_FINE_LOCATION, Manifest.permission.SEND_SMS, Manifest.permission.READ_CONTACTS};
+    ImageView[] comradesViews;
+    SharedPreferences sharedPreferences;
+    SharedPreferences.Editor editor;
+    LocationHelper locationHelper;
+    ArrayList<PendingIntent> sentIntents = new ArrayList<>();
+    TextView comrade1Name, comrade2Name, comrade3Name, comrade4Name, comrade5Name, comrade6Name;
+    TextView[] allTextViews;
     private long VIBRATION_TIME = 300; // Length of vibration in milliseconds
     private long VIBRATION_PAUSE = 200;
     /**
@@ -53,40 +79,34 @@ public class CircleOfTrustFragment extends Fragment {
     private long[] patternSuccess = {0, // Start immediately
             VIBRATION_TIME
     };
-
     private long[] patternFailure = {0, // Start immediately
             VIBRATION_TIME, VIBRATION_PAUSE, VIBRATION_TIME, // Each element then alternates between vibrate, sleep, vibrate, sleep...
     };
-
-    ImageView[] comradesViews;
-    SharedPreferences sharedPreferences;
-    SharedPreferences.Editor editor;
-
+    private View rootView;
     private String[] phoneNumbers;
-    LocationHelper locationHelper;
-
     private Vibrator vibrator;
-
-    public final static String SENT = "300";
-    private static boolean firstTime = false;
-    private static int msgParts;
-    private static List<Boolean> sent = new ArrayList<>();
-    ArrayList<PendingIntent> sentIntents = new ArrayList<>();
     private String numbers[];
-    public static BroadcastReceiver sentReceiver;
-    static Map allNames = new HashMap();
-    TextView comrade1Name,comrade2Name,comrade3Name,comrade4Name,comrade5Name,comrade6Name;
-    TextView[] allTextViews;
 
     public CircleOfTrustFragment() {
     }
 
+    /**
+     * Checks whether the device is connected to a mobile network or not
+     *
+     * @param appcontext
+     * @return true if the device is connected
+     */
+    public static boolean checkMobileNetworkAvailable(Context appcontext) {
+        TelephonyManager tel = (TelephonyManager) appcontext.getSystemService(Context.TELEPHONY_SERVICE);
+        return (tel.getNetworkOperator() != null && tel.getNetworkOperator().equals("") ? false : true);
+    }
+
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
                              Bundle savedInstanceState) {
-        View rootView = inflater.inflate(R.layout.fragment_circle_of_trust, container, false);
+        rootView = inflater.inflate(R.layout.fragment_circle_of_trust, container, false);
         getActivity().getWindow().setBackgroundDrawable(null);
-        ((AppCompatActivity)getActivity()).getSupportActionBar().setTitle(R.string.circle_title);
+        ((AppCompatActivity) getActivity()).getSupportActionBar().setTitle(R.string.circle_title);
 
         sharedPreferences = getActivity().getSharedPreferences(MY_PREFERENCES, Context.MODE_PRIVATE);
         editor = sharedPreferences.edit();
@@ -96,17 +116,16 @@ public View onCreateView(LayoutInflater inflater, ViewGroup container,
         comrade4Name = (TextView) rootView.findViewById(R.id.com4ButtonName);
         comrade5Name = (TextView) rootView.findViewById(R.id.com5ButtonName);
         comrade6Name = (TextView) rootView.findViewById(R.id.com6ButtonName);
-        allTextViews = new TextView[]{comrade1Name,comrade2Name,comrade3Name,comrade4Name,comrade5Name,comrade6Name};
+        allTextViews = new TextView[]{comrade1Name, comrade2Name, comrade3Name, comrade4Name, comrade5Name, comrade6Name};
 
-        for(int i = 0; i<allTextViews.length; ++i)
-            allTextViews[i].setText(sharedPreferences.getString(NAME_KEY+i,getString(R.string.unregistered)));
+        for (int i = 0; i < allTextViews.length; ++i)
+            allTextViews[i].setText(sharedPreferences.getString(NAME_KEY + i, getString(R.string.unregistered)));
 
         //To verify if SMS is sent
         sentReceiver = new BroadcastReceiver() {
             @Override
             public void onReceive(Context context, Intent intent) {
-                if(firstTime)
-                {
+                if (firstTime) {
                     firstTime = false;
                     sent.clear();
                 }
@@ -125,14 +144,12 @@ public void onReceive(Context context, Intent intent) {
                 msgParts--;
                 if (msgParts == 0) {
                     String logMessage = "";
-                    for(int i =0; i<sent.size();++i)
-                    {
-                        if(!numbers[i].isEmpty())
-                        {
-                            if(!sent.get(i))
+                    for (int i = 0; i < sent.size(); ++i) {
+                        if (!numbers[i].isEmpty()) {
+                            if (!sent.get(i))
                                 logMessage += numbers[i] + " : " + getString(R.string.sms_send_pass);
                             else
-                                logMessage += numbers[i] + " : " + context.getString(R.string.sms_send_fail);
+                                logMessage += numbers[i] + " : " + getString(R.string.sms_send_fail);
                             logMessage += "\n";
                         }
 
@@ -154,60 +171,63 @@ public void onReceive(Context context, Intent intent) {
         editButton.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
-                startActivityForResult(new Intent(getActivity(),Trustees.class),REQUEST_CODE_TRUSTEES);
+                startActivityForResult(new Intent(getActivity(), Trustees.class), REQUEST_CODE_TRUSTEES);
             }
         });
         requestButton.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
-                if(checkMobileNetworkAvailable(getActivity()))
-                {
+                if (checkMobileNetworkAvailable(getActivity())) {
                     if (vibrator.hasVibrator()) {
                         // Only perform success pattern one time (-1 means "do not repeat")
                         vibrator.vibrate(patternSuccess, -1);
                     }
-                    MessageDialogBox messageDialogBox = MessageDialogBox.newInstance(CircleOfTrustFragment.this,getActivity());
-                    messageDialogBox.show(getActivity().getSupportFragmentManager(),getString(R.string.message_options));
-                }
-                else
-                {
+                    MessageDialogBox messageDialogBox = MessageDialogBox.newInstance(CircleOfTrustFragment.this, getActivity());
+                    messageDialogBox.show(getActivity().getSupportFragmentManager(), getString(R.string.message_options));
+                } else {
                     if (vibrator.hasVibrator()) {
                         // Only perform failure pattern one time (-1 means "do not repeat")
                         vibrator.vibrate(patternFailure, -1);
                     }
-                    Toast.makeText(getActivity(),R.string.network_unavailable,Toast.LENGTH_LONG).show();
+                    Toast.makeText(getActivity(), R.string.network_unavailable, Toast.LENGTH_LONG).show();
                 }
 
             }
         });
-        comradesViews = new ImageView[]{(ImageView) rootView.findViewById(R.id.com1Button),(ImageView) rootView.findViewById(R.id.com2Button),
-                (ImageView) rootView.findViewById(R.id.com3Button),(ImageView) rootView.findViewById(R.id.com4Button),
-                (ImageView) rootView.findViewById(R.id.com5Button),(ImageView) rootView.findViewById(R.id.com6Button)};
-        loadContactPhotos();
+        comradesViews = new ImageView[]{(ImageView) rootView.findViewById(R.id.com1Button), (ImageView) rootView.findViewById(R.id.com2Button),
+                (ImageView) rootView.findViewById(R.id.com3Button), (ImageView) rootView.findViewById(R.id.com4Button),
+                (ImageView) rootView.findViewById(R.id.com5Button), (ImageView) rootView.findViewById(R.id.com6Button)};
         locationHelper = new LocationHelper(getActivity());
         return rootView;
     }
 
-    /**
-     * Checks whether the device is connected to a mobile network or not
-     * @param appcontext
-     * @return true if the device is connected
-     */
-    public static boolean checkMobileNetworkAvailable(Context appcontext) {
-        TelephonyManager tel = (TelephonyManager) appcontext.getSystemService(Context.TELEPHONY_SERVICE);
-        return (tel.getNetworkOperator() != null && tel.getNetworkOperator().equals("") ? false : true);
+    @Override
+    public void onStart() {
+        super.onStart();
+        if (Build.VERSION.SDK_INT > Build.VERSION_CODES.LOLLIPOP_MR1) {
+            requestRunTimePermissions();
+        }
     }
 
     @Override
     public void onResume() {
         super.onResume();
-        locationHelper.startAcquiringLocation();
+        if (PermissionUtil.isPermissionGranted(Manifest.permission.ACCESS_FINE_LOCATION, getActivity())) {
+            Log.d(TAG, "Location Helper");
+            locationHelper.startAcquiringLocation();
+        }
+        if (PermissionUtil.isPermissionGranted(Manifest.permission.READ_CONTACTS, getActivity())) {
+            Log.d(TAG, "Load Contacts");
+            loadContactPhotos();
+        }
     }
 
     @Override
     public void onPause() {
         super.onPause();
-        locationHelper.stopAcquiringLocation();
+        if (PermissionUtil.isPermissionGranted(Manifest.permission.ACCESS_FINE_LOCATION, getActivity())) {
+            locationHelper.stopAcquiringLocation();
+        }
     }
 
     /**
@@ -219,8 +239,7 @@ private void loadContactPhotos() {
             loadPhoneNumbers();
         }
         //reset to defaults
-        for(ImageView view:comradesViews)
-        {
+        for (ImageView view : comradesViews) {
             view.setImageResource(R.drawable.ic_comrade);
         }
 
@@ -244,24 +263,23 @@ private void loadContactPhotos() {
 
     /**
      * Sends a message to the comrades' phone numbers
+     *
      * @param optionSelected selected option
      */
-    public void sendMessage(String optionSelected)
-    {
+    public void sendMessage(String optionSelected) {
         SmsManager sms = SmsManager.getDefault();
         String message = "";
-        switch(optionSelected)
-        {
+        switch (optionSelected) {
             case SmsConstants.COME_GET_ME:
                 Location location = locationHelper.retrieveLocation(false);
-                if(location == null) {
+                if (location == null) {
                     message = getString(R.string.come_get_me_message);
-                }else{
+                } else {
                     message = getString(R.string.come_get_me_message_with_location);
-                    message = message.replace(Constants.TAG_LOCATION,location.getLatitude() +"," + location.getLongitude());
-                    String locationUrl = Constants.LOCATION_URL.replace("LAT" , String.valueOf(location.getLatitude()))
-                            .replace("LON" , String.valueOf(location.getLongitude()));
-                    message = message.replace(Constants.TAG_LOCATION_URL,locationUrl);
+                    message = message.replace(Constants.TAG_LOCATION, location.getLatitude() + "," + location.getLongitude());
+                    String locationUrl = Constants.LOCATION_URL.replace("LAT", String.valueOf(location.getLatitude()))
+                            .replace("LON", String.valueOf(location.getLongitude()));
+                    message = message.replace(Constants.TAG_LOCATION_URL, locationUrl);
                 }
                 break;
             case SmsConstants.CALL_NEED_INTERRUPTION:
@@ -274,14 +292,13 @@ public void sendMessage(String optionSelected)
 
         sharedPreferences = this.getActivity().getSharedPreferences(Trustees.MY_PREFERENCES, Context.MODE_PRIVATE);
 
-        if(phoneNumbers == null)
-        {
+        if (phoneNumbers == null) {
             loadPhoneNumbers();
         }
         // The numbers variable holds the Comrades numbers
         numbers = phoneNumbers;
 
-        int counter=0;
+        int counter = 0;
 
         //Fix sending messages if the length is more than single sms limit
         ArrayList<String> parts = sms.divideMessage(message);
@@ -291,45 +308,42 @@ public void sendMessage(String optionSelected)
                     SENT), 0));
         }
         int numRegisteredComrades = 0;
-        for(String number : numbers) {
+        for (String number : numbers) {
             if (!number.isEmpty()) {
                 numRegisteredComrades++;
             }
         }
         msgParts = numParts * numRegisteredComrades;
         firstTime = true;
-        for(String number : numbers) {
+        for (String number : numbers) {
             if (!number.isEmpty()) {
-                try{
+                try {
                     sms.sendMultipartTextMessage(number, null, parts, sentIntents, null);
-                }
-                catch(Exception e){
-                    Toast.makeText(getActivity(), R.string.message_failed + (counter+1), Toast.LENGTH_LONG).show();
+                } catch (Exception e) {
+                    Toast.makeText(getActivity(), R.string.message_failed + (counter + 1), Toast.LENGTH_LONG).show();
                 }
                 counter++;
             }
         }
-        if(counter!=0)
-        {
+        if (counter != 0) {
             String contentToPost;
 
             //For 1 comrade
-            if(counter == 1)
-                contentToPost = getString(R.string.confirmation_message1)+ " " + counter + " "+ getString(R.string.confirmation_message3) +" " + getString(R.string.receive_log);
+            if (counter == 1)
+                contentToPost = getString(R.string.confirmation_message1) + " " + counter + " " + getString(R.string.confirmation_message3) + " " + getString(R.string.receive_log);
             else
-                contentToPost = getString(R.string.confirmation_message1)+ " " + counter + " "+ getString(R.string.confirmation_message2)+ " " + getString(R.string.receive_log);
-            CustomAlertDialogFragment customAlertDialogFragment = CustomAlertDialogFragment.newInstance(getString(R.string.msg_sent),contentToPost);
-            customAlertDialogFragment.show(getActivity().getSupportFragmentManager(),getString(R.string.dialog_tag));
-        }
-        else
-        {
-            CustomAlertDialogFragment customAlertDialogFragment = CustomAlertDialogFragment.newInstance(getString(R.string.no_comrade_title),getString(R.string.no_comrade_msg));
-            customAlertDialogFragment.show(getActivity().getSupportFragmentManager(),getString(R.string.dialog_tag));
+                contentToPost = getString(R.string.confirmation_message1) + " " + counter + " " + getString(R.string.confirmation_message2) + " " + getString(R.string.receive_log);
+            CustomAlertDialogFragment customAlertDialogFragment = CustomAlertDialogFragment.newInstance(getString(R.string.msg_sent), contentToPost);
+            customAlertDialogFragment.show(getActivity().getSupportFragmentManager(), getString(R.string.dialog_tag));
+        } else {
+            CustomAlertDialogFragment customAlertDialogFragment = CustomAlertDialogFragment.newInstance(getString(R.string.no_comrade_title), getString(R.string.no_comrade_msg));
+            customAlertDialogFragment.show(getActivity().getSupportFragmentManager(), getString(R.string.dialog_tag));
         }
     }
 
     /**
      * Retrieve phone numbers saved in Trustees
+     *
      * @return true if the number retrieval is success
      */
     private boolean loadPhoneNumbers() {
@@ -337,8 +351,8 @@ private boolean loadPhoneNumbers() {
         try {
 
             phoneNumbers = new String[Trustees.NUMBER_OF_COMRADES];
-            for(int i = 0; i < Trustees.NUMBER_OF_COMRADES; i++) {
-                phoneNumbers[i] = sharedPreferences.getString( Trustees.COMRADE_KEY.get( i ), "" );
+            for (int i = 0; i < Trustees.NUMBER_OF_COMRADES; i++) {
+                phoneNumbers[i] = sharedPreferences.getString(Trustees.COMRADE_KEY.get(i), "");
             }
 
             return true;
@@ -349,32 +363,98 @@ private boolean loadPhoneNumbers() {
         return false;
     }
 
+
+    @Override
+    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
+        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
+        if (requestCode == PERMISSION_CALLBACK) {
+            boolean showRationale = false;
+            for (int i = 0, len = permissions.length; i < len; i++) {
+                if (grantResults[i] == PackageManager.PERMISSION_DENIED) {
+                    showRationale = showRationale || ActivityCompat.shouldShowRequestPermissionRationale(getActivity(), permissions[i]);
+                }
+            }
+            if (showRationale) {
+                requestPermissions(permissions, PERMISSION_CALLBACK);
+            } else if (!PermissionUtil.areAllRunTimePermissionsGranted(permissions, getActivity())) {
+                AlertDialog.Builder builder = new AlertDialog.Builder(getContext());
+                builder.setCancelable(false);
+                builder.setTitle(getString(R.string.permission_dialog_title));
+                builder.setMessage(getString(R.string.permission_dialog_message));
+                builder.setPositiveButton(getString(R.string.permission_dialog_positive_button), new DialogInterface.OnClickListener() {
+                    @Override
+                    public void onClick(DialogInterface dialog, int which) {
+                        dialog.cancel();
+                        Intent intent = new Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS);
+                        Uri uri = Uri.fromParts("package", getActivity().getPackageName(), null);
+                        intent.setData(uri);
+                        startActivity(intent);
+                    }
+                });
+                builder.setNegativeButton(getString(R.string.permission_dialog_negative_button), new DialogInterface.OnClickListener() {
+                    @Override
+                    public void onClick(DialogInterface dialog, int which) {
+                        dialog.cancel();
+                        showSnackBar();
+                    }
+                });
+                builder.show();
+            }
+        }
+    }
+
     @Override
     public void onActivityResult(int requestCode, int resultCode, Intent data) {
         super.onActivityResult(requestCode, resultCode, data);
-        if(requestCode == REQUEST_CODE_TRUSTEES) {
+        if (requestCode == REQUEST_CODE_TRUSTEES && PermissionUtil.isPermissionGranted(Manifest.permission.READ_CONTACTS, getActivity())) {
             refreshPhotos();
             Iterator it = allNames.entrySet().iterator();
             while (it.hasNext()) {
-                Map.Entry pair = (Map.Entry)it.next();
-                allTextViews[(Integer)pair.getKey() - 1].setText(pair.getValue().toString());
-                editor.putString(NAME_KEY + ((Integer)pair.getKey()-1),pair.getValue().toString());
+                Map.Entry pair = (Map.Entry) it.next();
+                allTextViews[(Integer) pair.getKey() - 1].setText(pair.getValue().toString());
+                editor.putString(NAME_KEY + ((Integer) pair.getKey() - 1), pair.getValue().toString());
             }
 
-            for(int i = 0; i < Trustees.NUMBER_OF_COMRADES; i++) {
-                if(!allNames.containsKey(i+1) && !(phoneNumbers[i].isEmpty())){
+            for (int i = 0; i < Trustees.NUMBER_OF_COMRADES; i++) {
+                if (!allNames.containsKey(i + 1) && !(phoneNumbers[i].isEmpty())) {
                     allTextViews[i].setText(phoneNumbers[i]);
-                    editor.putString(NAME_KEY + i,phoneNumbers[i]);
+                    editor.putString(NAME_KEY + i, phoneNumbers[i]);
                 }
-                if(phoneNumbers[i].isEmpty()) {
+                if (phoneNumbers[i].isEmpty()) {
                     allTextViews[i].setText(getString(R.string.unregistered));
-                    editor.putString(NAME_KEY + i,getString(R.string.unregistered));
+                    editor.putString(NAME_KEY + i, getString(R.string.unregistered));
                 }
             }
             editor.commit();
         }
     }
 
+    /**
+     * Method to request permissions at run time.
+     */
+    private void requestRunTimePermissions() {
+        if (!PermissionUtil.areAllRunTimePermissionsGranted(runTimePermissions, getActivity())) {
+            requestPermissions(runTimePermissions, PERMISSION_CALLBACK);
+        }
+    }
+
+    /**
+     * Method to show snackbar.
+     */
+    private void showSnackBar() {
+        Snackbar.make(rootView, R.string.permission_toast, Snackbar.LENGTH_LONG)
+                .setAction("Open Settings", new View.OnClickListener() {
+                    @Override
+                    public void onClick(View v) {
+                        Intent intent = new Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS);
+                        Uri uri = Uri.fromParts("package", getActivity().getPackageName(), null);
+                        intent.setData(uri);
+                        startActivity(intent);
+                    }
+                }).show();
+    }
+
+
     /**
      * Invalidate current phone numbers and load again with contact photos
      */
diff --git a/app/src/main/java/com/peacecorps/pcsa/circle_of_trust/LocationHelper.java b/app/src/main/java/com/peacecorps/pcsa/circle_of_trust/LocationHelper.java
index e4151de..8aa3624 100644
--- a/app/src/main/java/com/peacecorps/pcsa/circle_of_trust/LocationHelper.java
+++ b/app/src/main/java/com/peacecorps/pcsa/circle_of_trust/LocationHelper.java
@@ -63,6 +63,8 @@ public void onProviderDisabled(String provider) {
                 Log.e(TAG, "Unable to listen to GPS location updates", e);
             } catch (NullPointerException e) {
                 Log.e(TAG, "Unable to get location services", e);
+            } catch (SecurityException e) {
+                Log.e(TAG, "No permission for location", e);
             }
         }
     }
@@ -74,7 +76,11 @@ public void onProviderDisabled(String provider) {
     public void stopAcquiringLocation() {
         if (locationManager != null && locationListener != null) {
             // Remove the listener which added by calling #startAcquiringLocation
-            locationManager.removeUpdates(locationListener);
+            try {
+                locationManager.removeUpdates(locationListener);
+            } catch (SecurityException e) {
+                Log.e(TAG, "No permission for location", e);
+            }
         }
     }
 
@@ -86,7 +92,11 @@ public void stopAcquiringLocation() {
      */
     public Location retrieveLocation(boolean needLastKnown) {
         if (lastLocation == null && locationManager != null && needLastKnown) {
-            lastLocation = locationManager.getLastKnownLocation(LOCATION_PROVIDER);
+            try {
+                lastLocation = locationManager.getLastKnownLocation(LOCATION_PROVIDER);
+            } catch (SecurityException e) {
+                Log.e(TAG, "No permission for location", e);
+            }
         }
         return lastLocation;
     }
diff --git a/app/src/main/java/com/peacecorps/pcsa/get_help_now/ContactPostStaff.java b/app/src/main/java/com/peacecorps/pcsa/get_help_now/ContactPostStaff.java
index 8e69952..2fc194c 100644
--- a/app/src/main/java/com/peacecorps/pcsa/get_help_now/ContactPostStaff.java
+++ b/app/src/main/java/com/peacecorps/pcsa/get_help_now/ContactPostStaff.java
@@ -1,12 +1,21 @@
 package com.peacecorps.pcsa.get_help_now;
 
+import android.Manifest;
+import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.SharedPreferences;
+import android.content.pm.PackageManager;
 import android.net.Uri;
+import android.os.Build;
 import android.os.Bundle;
 import android.preference.PreferenceManager;
+import android.provider.Settings;
+import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
+import android.support.design.widget.Snackbar;
+import android.support.v4.app.ActivityCompat;
 import android.support.v4.app.Fragment;
+import android.support.v7.app.AlertDialog;
 import android.support.v7.app.AppCompatActivity;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -17,11 +26,14 @@
 import android.widget.TextView;
 
 import com.peacecorps.pcsa.MainActivity;
+import com.peacecorps.pcsa.PermissionUtil;
 import com.peacecorps.pcsa.R;
 
 import java.util.HashMap;
 import java.util.Map;
 
+import static com.peacecorps.pcsa.Constants.PermissionConstants.PERMISSION_CALLBACK;
+
 /**
  * Allows the user to call Post Staff in case of crime. The details for the
  * current location will be set by changing the location
@@ -31,24 +43,25 @@
  */
 public class ContactPostStaff extends Fragment implements AdapterView.OnItemClickListener {
 
-    public static final String TAG = ContactPostStaff.class.getSimpleName() ;
+    public static final String TAG = ContactPostStaff.class.getSimpleName();
+    private static final Map<String, LocationDetails> locationDetails;
 
-    SharedPreferences sharedPreferences;
+    static {
+        locationDetails = new HashMap<>();
+    }
 
+    private final String[] runTimePermissions = new String[]{Manifest.permission.SEND_SMS, Manifest.permission.READ_CONTACTS};
+    SharedPreferences sharedPreferences;
     TextView currentLocation;
     LocationDetails selectedLocationDetails;
     private String numberToContact;
-
-    private static final Map<String, LocationDetails> locationDetails;
-    static {
-        locationDetails = new HashMap<>();
-    }
+    private View rootView;
 
     @Nullable
     @Override
     public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
 
-        View rootView = inflater.inflate(R.layout.fragment_reporting_contact_post_staff,container,false);
+        rootView = inflater.inflate(R.layout.fragment_reporting_contact_post_staff, container, false);
         getActivity().getWindow().setBackgroundDrawable(null);
         sharedPreferences = PreferenceManager.getDefaultSharedPreferences(getActivity());
 
@@ -60,7 +73,7 @@ public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container,
         Button contactSsm = (Button) rootView.findViewById(R.id.post_staff_ssm);
         Button contactSarl = (Button) rootView.findViewById(R.id.post_staff_sarl);
         currentLocation = (TextView) rootView.findViewById(R.id.post_staff_current_location);
-        currentLocation.setText(getString(R.string.reporting_current_location) + " " + sharedPreferences.getString(getString(R.string.key_country),"") + getString(R.string.reporting_current_post));
+        currentLocation.setText(getString(R.string.reporting_current_location) + " " + sharedPreferences.getString(getString(R.string.key_country), "") + getString(R.string.reporting_current_post));
         ImageView contactOtherStaff = (ImageView) rootView.findViewById(R.id.link_to_other_staff);
 
         contactPcmo.setText(R.string.contact_pcmo);
@@ -72,8 +85,8 @@ public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container,
             public void onClick(View v) {
                 numberToContact = selectedLocationDetails.getPcmoContact();
                 ContactOptionsDialogBox contactOptionsDialogBox = ContactOptionsDialogBox.newInstance(getString(R.string.contact_pcmo_via),
-                        getActivity(),ContactPostStaff.this);
-                contactOptionsDialogBox.show(getActivity().getSupportFragmentManager(),getString(R.string.dialog_tag));
+                        getActivity(), ContactPostStaff.this);
+                contactOptionsDialogBox.show(getActivity().getSupportFragmentManager(), getString(R.string.dialog_tag));
             }
         });
 
@@ -82,7 +95,7 @@ public void onClick(View v) {
             public void onClick(View v) {
                 numberToContact = selectedLocationDetails.getSsmContact();
                 ContactOptionsDialogBox contactOptionsDialogBox = ContactOptionsDialogBox.newInstance(getString(R.string.contact_ssm_via),
-                        getActivity(),ContactPostStaff.this);
+                        getActivity(), ContactPostStaff.this);
                 contactOptionsDialogBox.show(getActivity().getSupportFragmentManager(), getString(R.string.dialog_tag));
             }
         });
@@ -92,44 +105,43 @@ public void onClick(View v) {
             public void onClick(View v) {
                 numberToContact = selectedLocationDetails.getSarlContact();
                 ContactOptionsDialogBox contactOptionsDialogBox = ContactOptionsDialogBox.newInstance(getString(R.string.contact_sarl_via),
-                        getActivity(),ContactPostStaff.this);
+                        getActivity(), ContactPostStaff.this);
                 contactOptionsDialogBox.show(getActivity().getSupportFragmentManager(), getString(R.string.dialog_tag));
             }
         });
-        
+
         contactOtherStaff.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
                 //Swapping ContactOtherStaff into the fragment container dynamically
                 Fragment contactOtherStaffFragment = new ContactOtherStaff();
-                MainActivity.swapFragmentIn(getActivity(),contactOtherStaffFragment,ContactOtherStaff.TAG,true);
+                MainActivity.swapFragmentIn(getActivity(), contactOtherStaffFragment, ContactOtherStaff.TAG, true);
             }
         });
-        ((AppCompatActivity)getActivity()).getSupportActionBar().setTitle(R.string.reporting_get_help);
+        ((AppCompatActivity) getActivity()).getSupportActionBar().setTitle(R.string.reporting_get_help);
 
         return rootView;
     }
-    
+
     /**
      * Interface definition for a callback to be invoked when an item in this AdapterView has been clicked.
      *
-     * @param parent The AdapterView where the click happened.
-     * @param view  The view within the AdapterView that was clicked (this will be a view provided by the adapter)
+     * @param parent   The AdapterView where the click happened.
+     * @param view     The view within the AdapterView that was clicked (this will be a view provided by the adapter)
      * @param position The position of the view in the adapter.
-     * @param id The row id of the item that was clicked.
+     * @param id       The row id of the item that was clicked.
      */
     @Override
     public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
 
         //For Voice Call
-        if(position == 1)
-        {
+        if (position == 1) {
             Intent callingIntent = new Intent(Intent.ACTION_CALL);
             callingIntent.setData(Uri.parse("tel:" + numberToContact));
             startActivity(callingIntent);
         }
         //For Message
-        else if(position == 2) {
+        else if (position == 2) {
             Intent smsIntent = new Intent(Intent.ACTION_VIEW);
             smsIntent.setData(Uri.parse("sms:" + numberToContact));
             startActivity(smsIntent);
@@ -139,8 +151,80 @@ else if(position == 2) {
     @Override
     public void onResume() {
         super.onResume();
-        selectedLocationDetails = locationDetails.get(sharedPreferences.getString(getString(R.string.key_country),getString(R.string.country_default)));
-        if(currentLocation != null)
-            currentLocation.setText(getString(R.string.reporting_current_location) + " " + sharedPreferences.getString(getString(R.string.key_country),"")+ getString(R.string.reporting_current_post));
+        selectedLocationDetails = locationDetails.get(sharedPreferences.getString(getString(R.string.key_country), getString(R.string.country_default)));
+        if (currentLocation != null)
+            currentLocation.setText(getString(R.string.reporting_current_location) + " " + sharedPreferences.getString(getString(R.string.key_country), "") + getString(R.string.reporting_current_post));
+    }
+
+    @Override
+    public void onStart() {
+        super.onStart();
+        if (Build.VERSION.SDK_INT > Build.VERSION_CODES.LOLLIPOP_MR1) {
+            requestRunTimePermissions();
+        }
+    }
+
+    @Override
+    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
+        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
+        if (requestCode == PERMISSION_CALLBACK) {
+            boolean showRationale = false;
+            for (int i = 0, len = permissions.length; i < len; i++) {
+                if (grantResults[i] == PackageManager.PERMISSION_DENIED) {
+                    showRationale = showRationale || ActivityCompat.shouldShowRequestPermissionRationale(getActivity(), permissions[i]);
+                }
+            }
+            if (showRationale) {
+                requestPermissions(permissions, PERMISSION_CALLBACK);
+            } else if (!PermissionUtil.areAllRunTimePermissionsGranted(permissions, getActivity())) {
+                AlertDialog.Builder builder = new AlertDialog.Builder(getContext());
+                builder.setCancelable(false);
+                builder.setTitle(getString(R.string.permission_dialog_title));
+                builder.setMessage(getString(R.string.permission_dialog_message));
+                builder.setPositiveButton(getString(R.string.permission_dialog_positive_button), new DialogInterface.OnClickListener() {
+                    @Override
+                    public void onClick(DialogInterface dialog, int which) {
+                        dialog.cancel();
+                        Intent intent = new Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS);
+                        Uri uri = Uri.fromParts("package", getActivity().getPackageName(), null);
+                        intent.setData(uri);
+                        startActivity(intent);
+                    }
+                });
+                builder.setNegativeButton(getString(R.string.permission_dialog_negative_button), new DialogInterface.OnClickListener() {
+                    @Override
+                    public void onClick(DialogInterface dialog, int which) {
+                        dialog.cancel();
+                        showSnackBar();
+                    }
+                });
+                builder.show();
+            }
+        }
+    }
+
+    /**
+     * Method to request permissions at run time.
+     */
+    private void requestRunTimePermissions() {
+        if (!PermissionUtil.areAllRunTimePermissionsGranted(runTimePermissions, getActivity())) {
+            requestPermissions(runTimePermissions, PERMISSION_CALLBACK);
+        }
+    }
+
+    /**
+     * Method to show snackbar.
+     */
+    private void showSnackBar() {
+        Snackbar.make(rootView, R.string.permission_toast, Snackbar.LENGTH_LONG)
+                .setAction("Open Settings", new View.OnClickListener() {
+                    @Override
+                    public void onClick(View v) {
+                        Intent intent = new Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS);
+                        Uri uri = Uri.fromParts("package", getActivity().getPackageName(), null);
+                        intent.setData(uri);
+                        startActivity(intent);
+                    }
+                }).show();
     }
 }
diff --git a/app/src/main/java/com/peacecorps/pcsa/get_help_now/OtherStaffContent.java b/app/src/main/java/com/peacecorps/pcsa/get_help_now/OtherStaffContent.java
index abecd79..a1235b3 100644
--- a/app/src/main/java/com/peacecorps/pcsa/get_help_now/OtherStaffContent.java
+++ b/app/src/main/java/com/peacecorps/pcsa/get_help_now/OtherStaffContent.java
@@ -1,10 +1,19 @@
 package com.peacecorps.pcsa.get_help_now;
 
+import android.Manifest;
+import android.content.DialogInterface;
 import android.content.Intent;
+import android.content.pm.PackageManager;
 import android.net.Uri;
+import android.os.Build;
 import android.os.Bundle;
+import android.provider.Settings;
+import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
+import android.support.design.widget.Snackbar;
+import android.support.v4.app.ActivityCompat;
 import android.support.v4.app.Fragment;
+import android.support.v7.app.AlertDialog;
 import android.support.v7.app.AppCompatActivity;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -13,8 +22,11 @@
 import android.widget.Button;
 import android.widget.TextView;
 
+import com.peacecorps.pcsa.PermissionUtil;
 import com.peacecorps.pcsa.R;
 
+import static com.peacecorps.pcsa.Constants.PermissionConstants.PERMISSION_CALLBACK;
+
 /**
  * Shows details of the Other Staff members to contact in case of crime
  * Allows user to call/send SMS to Other Staff members
@@ -27,13 +39,15 @@ public class OtherStaffContent extends Fragment implements AdapterView.OnItemCli
     public static final String CONTACT_NUMBER = "contactNumber";
     public static final String CONTACT_NAME = "contactName";
     public static final String CONTACT_DESC = "contatDesc";
-    public static final String TAG = OtherStaffContent.class.getSimpleName() ;
+    public static final String TAG = OtherStaffContent.class.getSimpleName();
     static String contactNumber;
+    private final String[] runTimePermissions = new String[]{Manifest.permission.SEND_SMS, Manifest.permission.READ_CONTACTS};
+    private View rootView;
 
     @Nullable
     @Override
     public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
-        View rootView = inflater.inflate(R.layout.fragment_reporting_other_staff_content,container,false);
+        rootView = inflater.inflate(R.layout.fragment_reporting_other_staff_content, container, false);
 
         TextView contactName = (TextView) rootView.findViewById(R.id.reporting_contact_other_content);
         TextView contactDescription = (TextView) rootView.findViewById(R.id.reporting_contact_description);
@@ -48,39 +62,109 @@ public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container,
         contactNow.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
-                ContactOptionsDialogBox contactOptionsDialogBox = ContactOptionsDialogBox.newInstance(getString(R.string.contact)+" "+details.getString(CONTACT_NAME)+" "+getString(R.string.via),
-                        getActivity(),OtherStaffContent.this);
+                ContactOptionsDialogBox contactOptionsDialogBox = ContactOptionsDialogBox.newInstance(getString(R.string.contact) + " " + details.getString(CONTACT_NAME) + " " + getString(R.string.via),
+                        getActivity(), OtherStaffContent.this);
                 contactOptionsDialogBox.show(getActivity().getSupportFragmentManager(), getString(R.string.dialog_tag));
             }
         });
-        ((AppCompatActivity)getActivity()).getSupportActionBar().setTitle(R.string.reporting_get_help);
+        ((AppCompatActivity) getActivity()).getSupportActionBar().setTitle(R.string.reporting_get_help);
         return rootView;
     }
 
     /**
      * Interface definition for a callback to be invoked when an item in this AdapterView has been clicked.
      *
-     * @param parent The AdapterView where the click happened.
-     * @param view  The view within the AdapterView that was clicked (this will be a view provided by the adapter)
+     * @param parent   The AdapterView where the click happened.
+     * @param view     The view within the AdapterView that was clicked (this will be a view provided by the adapter)
      * @param position The position of the view in the adapter.
-     * @param id The row id of the item that was clicked.
+     * @param id       The row id of the item that was clicked.
      */
     @Override
     public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
 
         //For Voice Call
-        if(position == 1)
-        {
+        if (position == 1) {
             Intent callingIntent = new Intent(Intent.ACTION_CALL);
             callingIntent.setData(Uri.parse("tel:" + contactNumber));
             startActivity(callingIntent);
         }
         //For Message
-        else if(position == 2)
-        {
+        else if (position == 2) {
             Intent smsIntent = new Intent(Intent.ACTION_VIEW);
-            smsIntent.setData(Uri.parse("sms:"+contactNumber));
+            smsIntent.setData(Uri.parse("sms:" + contactNumber));
             startActivity(smsIntent);
         }
     }
+
+    @Override
+    public void onStart() {
+        super.onStart();
+        if (Build.VERSION.SDK_INT > Build.VERSION_CODES.LOLLIPOP_MR1) {
+            requestRunTimePermissions();
+        }
+    }
+
+    @Override
+    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
+        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
+        if (requestCode == PERMISSION_CALLBACK) {
+            boolean showRationale = false;
+            for (int i = 0, len = permissions.length; i < len; i++) {
+                if (grantResults[i] == PackageManager.PERMISSION_DENIED) {
+                    showRationale = showRationale || ActivityCompat.shouldShowRequestPermissionRationale(getActivity(), permissions[i]);
+                }
+            }
+            if (showRationale) {
+                requestPermissions(permissions, PERMISSION_CALLBACK);
+            } else if (!PermissionUtil.areAllRunTimePermissionsGranted(permissions, getActivity())) {
+                AlertDialog.Builder builder = new AlertDialog.Builder(getContext());
+                builder.setCancelable(false);
+                builder.setTitle(getString(R.string.permission_dialog_title));
+                builder.setMessage(getString(R.string.permission_dialog_message));
+                builder.setPositiveButton(getString(R.string.permission_dialog_positive_button), new DialogInterface.OnClickListener() {
+                    @Override
+                    public void onClick(DialogInterface dialog, int which) {
+                        dialog.cancel();
+                        Intent intent = new Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS);
+                        Uri uri = Uri.fromParts("package", getActivity().getPackageName(), null);
+                        intent.setData(uri);
+                        startActivity(intent);
+                    }
+                });
+                builder.setNegativeButton(getString(R.string.permission_dialog_negative_button), new DialogInterface.OnClickListener() {
+                    @Override
+                    public void onClick(DialogInterface dialog, int which) {
+                        dialog.cancel();
+                        showSnackBar();
+                    }
+                });
+                builder.show();
+            }
+        }
+    }
+
+    /**
+     * Method to request permissions at run time.
+     */
+    private void requestRunTimePermissions() {
+        if (!PermissionUtil.areAllRunTimePermissionsGranted(runTimePermissions, getActivity())) {
+            requestPermissions(runTimePermissions, PERMISSION_CALLBACK);
+        }
+    }
+
+    /**
+     * Method to show snackbar.
+     */
+    private void showSnackBar() {
+        Snackbar.make(rootView, R.string.permission_toast, Snackbar.LENGTH_LONG)
+                .setAction("Open Settings", new View.OnClickListener() {
+                    @Override
+                    public void onClick(View v) {
+                        Intent intent = new Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS);
+                        Uri uri = Uri.fromParts("package", getActivity().getPackageName(), null);
+                        intent.setData(uri);
+                        startActivity(intent);
+                    }
+                }).show();
+    }
 }
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index cd0240e..8ff823f 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -4,6 +4,11 @@
     <!--Common-->
     <string name="dialog_call">Voice Call</string>
     <string name="dialog_message">Send Message</string>
+    <string name="permission_dialog_negative_button">No</string>
+    <string name="permission_dialog_message">Some features of the application may not work correctly due to denied permissions. Do you want to grant permissions?</string>
+    <string name="permission_dialog_positive_button">Yes</string>
+    <string name="permission_dialog_title">Need Permissions</string>
+    <string name="permission_toast">Permissions Not Granted</string>
 
     <!--Activity Titles-->
     <string name="title_activity_faq">Frequently Asked Questions</string>