Fix weird graph on < Kitkat. Hide backup menu to release.

Author: Paolo Rotolo

app/src/main/java/org/glucosio/android/activity/PreferencesActivity.java

@@ -105,7 +105,9 @@ public void onCreate(final Bundle savedInstanceState) {
                 maxRangePref.setEnabled(true);
             }
 
+/*
             final Preference backupPref = (Preference) findPreference("backup_settings");
+*/
             final Preference aboutPref = (Preference) findPreference("about_settings");
             /*languagePref.setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener() {
                 @Override
@@ -230,15 +232,15 @@ public boolean onPreferenceChange(Preference preference, Object newValue) {
             languagePref.setEntries(languages);*/
             updateDB();
 
-            backupPref.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
+/*            backupPref.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
 
                 @Override
                 public boolean onPreferenceClick(Preference preference) {
                     Intent backupActivity = new Intent(getActivity(), BackupActivity.class);
                     getActivity().startActivity(backupActivity);
                     return false;
                 }
-            });
+            });*/
 
             aboutPref.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
                 @Override

app/src/main/java/org/glucosio/android/fragment/OverviewFragment.java

@@ -1,6 +1,7 @@
 package org.glucosio.android.fragment;
 
 import android.graphics.Color;
+import android.os.Build;
 import android.os.Bundle;
 import android.support.v4.app.Fragment;
 import android.view.LayoutInflater;
@@ -239,14 +240,22 @@ private void setData() {
         set1.setColor(getResources().getColor(R.color.glucosio_pink));
         set1.setCircleColors(colors);
         set1.setLineWidth(0f);
-        set1.setCircleSize(2.5f);
+        set1.setCircleSize(2.8f);
         set1.setDrawCircleHole(false);
         set1.disableDashedLine();
         set1.setFillAlpha(255);
         set1.setDrawFilled(true);
         set1.setValueTextSize(0);
         set1.setValueTextColor(Color.parseColor("#FFFFFF"));
         set1.setFillColor(Color.parseColor("#FCE2EA"));
+
+        if (Build.VERSION.SDK_INT <= Build.VERSION_CODES.JELLY_BEAN_MR2){
+            set1.setDrawFilled(false);
+            set1.setLineWidth(3f);
+            set1.setCircleSize(4.5f);
+            set1.setDrawCircleHole(true);
+        }
+
 //        set1.setDrawFilled(true);
         // set1.setShader(new LinearGradient(0, 0, 0, mChart.getHeight(),
         // Color.BLACK, Color.WHITE, Shader.TileMode.MIRROR));

app/src/main/res/xml/preferences.xml

@@ -40,9 +40,6 @@
         android:key="pref_range_max"
         android:title="@string/helloactivity_preferred_range_max" />
 
-    <Preference
-        android:key="backup_settings"
-        android:title="@string/title_activity_backup" />
     <Preference
         android:key="about_settings"
         android:title="@string/preferences_about_glucosio"/>