[PR-12076] Ability to natively share via email features header (#6)

Author: dgtv

README.md

@@ -24,7 +24,7 @@ allprojects {
 
 ```gradle
 dependencies {
-	implementation 'com.github.talkable:android-sdk:0.5.9'
+	implementation 'com.github.talkable:android-sdk:0.5.10'
 }
 ```
 

sdk/build.gradle

@@ -10,8 +10,8 @@ android {
     defaultConfig {
         minSdkVersion 16
         targetSdkVersion 27
-        versionCode 38
-        versionName "0.5.9"
+        versionCode 39
+        versionName "0.5.10"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
     }
     buildTypes {

sdk/src/main/java/com/talkable/sdk/Talkable.java

@@ -4,19 +4,15 @@
 import android.app.Activity;
 import android.content.Context;
 import android.content.Intent;
-import android.content.pm.PackageManager;
 import android.net.Uri;
 import android.os.Build;
 import android.support.v4.app.FragmentActivity;
-import android.telephony.TelephonyManager;
 import android.util.Base64;
 import android.util.Log;
 import android.webkit.WebSettings;
 import android.webkit.WebView;
 
 import com.facebook.FacebookSdk;
-import com.facebook.messenger.MessengerUtils;
-import com.google.gson.JsonObject;
 import com.talkable.sdk.api.ApiError;
 import com.talkable.sdk.interfaces.Callback2;
 import com.talkable.sdk.interfaces.TalkableCallback;
@@ -31,6 +27,7 @@
 import com.talkable.sdk.utils.FacebookUtils;
 import com.talkable.sdk.utils.IncorrectInstallationException;
 import com.talkable.sdk.utils.ManifestInfo;
+import com.talkable.sdk.utils.NativeFeatures;
 import com.talkable.sdk.utils.TalkableOfferLoadException;
 import com.talkable.sdk.utils.UriUtils;
 
@@ -67,7 +64,10 @@ public class Talkable {
     public static final String ERROR_REASON_SITE_NOT_FOUND = "SITE_NOT_FOUND";
 
     private static OkHttpClient httpClient;
-    private static String server, siteSlug, nativeFeatures, defaultUserAgent, debugDeviceId;
+    private static String server;
+    private static String siteSlug;
+    private static String defaultUserAgent;
+    private static String debugDeviceId;
     private static Map<String, String> credentialsMap;
     private static Boolean initialized = false, debug = false;
 
@@ -122,7 +122,7 @@ public static void initialize(Context context, String initialSiteSlug) throws In
         if (FacebookSdk.isInitialized()) {
             FacebookUtils.initialize();
         }
-        setNativeFeatures(context);
+        NativeFeatures.initialize(context);
     }
 
     private static void loadConfig(Context context) {
@@ -169,32 +169,9 @@ static String getDefaultUserAgent(Context context) {
         }
     }
 
-    private static void setNativeFeatures(Context context) {
-        Boolean isSmsAvailable = false;
-        Boolean isMessengerInstalled = false;
-
-        if (context != null) {
-            if (context.getPackageManager().hasSystemFeature(PackageManager.FEATURE_TELEPHONY) &&
-                    ((TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE)).getSimState() == TelephonyManager.SIM_STATE_READY) {
-                isSmsAvailable = true;
-            }
-            isMessengerInstalled = MessengerUtils.hasMessengerInstalled(context);
-        }
-
-        JsonObject json = new JsonObject();
-        json.addProperty("send_sms", isSmsAvailable);
-        json.addProperty("copy_to_clipboard", true);
-        json.addProperty("share_via_facebook", FacebookSdk.isInitialized());
-        json.addProperty("share_via_facebook_messenger", FacebookSdk.isInitialized() && isMessengerInstalled);
-        json.addProperty("share_via_twitter", false);
-        json.addProperty("sdk_version", BuildConfig.VERSION_NAME);
-        json.addProperty("sdk_build", BuildConfig.VERSION_CODE);
-
-        nativeFeatures = json.toString();
-    }
-
+    @Deprecated
     public static String getNativeFeatures() {
-        return nativeFeatures;
+        return NativeFeatures.getFeatures();
     }
 
     public static OkHttpClient getHttpClient() {
@@ -262,7 +239,7 @@ public static void loadOffer(final Origin origin, final TalkableCallback<String,
         final Request request = new Request.Builder()
                 .url(originUrl)
                 .header("User-Agent", getUserAgent())
-                .header(TALKABLE_FEATURES_HEADER, getNativeFeatures())
+                .header(TALKABLE_FEATURES_HEADER, NativeFeatures.getFeatures())
                 .get()
                 .build();
 

sdk/src/main/java/com/talkable/sdk/TalkableOfferFragment.java

@@ -3,6 +3,7 @@
 import android.Manifest;
 import android.annotation.SuppressLint;
 import android.annotation.TargetApi;
+import android.app.Activity;
 import android.content.ClipData;
 import android.content.ClipboardManager;
 import android.content.Context;
@@ -34,13 +35,13 @@
 import com.talkable.sdk.utils.ContactsImporter;
 import com.talkable.sdk.utils.FacebookUtils;
 import com.talkable.sdk.utils.JsonUtils;
+import com.talkable.sdk.utils.NativeFeatures;
+import com.talkable.sdk.utils.NativeFeatures.Feature;
 
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.Map;
 
-import android.app.Activity;
-
 public class TalkableOfferFragment extends Fragment {
     public static final String OFFER_CODE_PARAM = "offer_code_param";
     public static final int REQUEST_CODE_SEND_SMS = 1;
@@ -226,6 +227,10 @@ public void shareSucceeded(String channel) {
     //-----------+
 
     public void shareOfferViaNativeMail(String subject, String message, String claimUrl) {
+        if (!NativeFeatures.isAvailable(Feature.SHARE_VIA_NATIVE_EMAIL)) {
+            Log.d(Talkable.TAG, "Native feature called when not available: share_via_native_mail");
+            return;
+        }
         Intent intent = new Intent(Intent.ACTION_SENDTO, Uri.parse("mailto:"));
         if (subject != null) {
             intent.putExtra(Intent.EXTRA_SUBJECT, subject);
@@ -237,6 +242,10 @@ public void shareOfferViaNativeMail(String subject, String message, String claim
     }
 
     public void shareOfferViaSms(String recipients, String message, String claimUrl) {
+        if (!NativeFeatures.isAvailable(Feature.SEND_SMS)) {
+            Log.d(Talkable.TAG, "Native feature called when not available: send_sms");
+            return;
+        }
         String uriString = "sms:";
         Intent intent = new Intent(Intent.ACTION_SENDTO, Uri.parse(uriString));
         if (message != null && claimUrl != null && !message.contains(claimUrl)) {
@@ -331,7 +340,7 @@ public void customWebEvent(String eventName, JsonObject data) {
 
     private Map<String, String> getTalkableHeaders() {
         HashMap<String, String> headers = new HashMap<>();
-        headers.put(Talkable.TALKABLE_FEATURES_HEADER, Talkable.getNativeFeatures());
+        headers.put(Talkable.TALKABLE_FEATURES_HEADER, NativeFeatures.getFeatures());
         return headers;
     }
 

sdk/src/main/java/com/talkable/sdk/utils/NativeFeatures.java

@@ -0,0 +1,93 @@
+package com.talkable.sdk.utils;
+
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
+import android.net.Uri;
+import android.telephony.TelephonyManager;
+
+import com.facebook.FacebookSdk;
+import com.facebook.messenger.MessengerUtils;
+import com.google.gson.JsonObject;
+import com.talkable.sdk.BuildConfig;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class NativeFeatures {
+    private static JsonObject features;
+
+    public enum Feature {
+        SEND_SMS("send_sms"),
+        COPY_TO_CLIPBOARD("copy_to_clipboard"),
+        SHARE_VIA_NATIVE_EMAIL("share_via_native_mail"),
+        SHARE_VIA_TWITTER("share_via_twitter"),
+        SHARE_VIA_FACEBOOK("share_via_facebook"),
+        SHARE_VIA_FACEBOOK_MESSENGER("share_via_facebook_messenger");
+
+        private final String identifier;
+
+        Feature(String s) {
+            identifier = s;
+        }
+
+        public boolean equalsIdentifier(String otherIdentifier) {
+            return identifier.equals(otherIdentifier);
+        }
+
+        public String toString() {
+            return this.identifier;
+        }
+    }
+
+    public static void initialize(Context context) {
+        Boolean isSmsAvailable = false;
+        Boolean isMessengerInstalled = false;
+        Boolean isMailAvailable = false;
+
+        if (context != null) {
+            if (context.getPackageManager().hasSystemFeature(PackageManager.FEATURE_TELEPHONY) &&
+                    ((TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE)).getSimState() == TelephonyManager.SIM_STATE_READY) {
+                isSmsAvailable = true;
+            }
+
+            isMessengerInstalled = MessengerUtils.hasMessengerInstalled(context);
+
+            Intent sendNativeMailIntent = new Intent(Intent.ACTION_SENDTO, Uri.parse("mailto:"));
+            List<ResolveInfo> resolveInfos = context.getPackageManager().queryIntentActivities(sendNativeMailIntent, 0);// .isEmpty();
+            if (!resolveInfos.isEmpty()) {
+                // for some android emulators there is always "com.android.fallback/.Fallback" intent
+                // https://stackoverflow.com/a/31052350
+                List<ResolveInfo> filtered = new ArrayList<ResolveInfo>();
+                for (ResolveInfo info : resolveInfos) {
+                    String packageName = info.activityInfo.packageName;
+                    if (!packageName.toLowerCase().contains("fallback")) {
+                        filtered.add(info);
+                    }
+                }
+                isMailAvailable = !filtered.isEmpty();
+            }
+        }
+
+        JsonObject json = new JsonObject();
+        json.addProperty(Feature.SEND_SMS.toString(), isSmsAvailable);
+        json.addProperty(Feature.COPY_TO_CLIPBOARD.toString(), true);
+        json.addProperty(Feature.SHARE_VIA_FACEBOOK.toString(), FacebookSdk.isInitialized());
+        json.addProperty(Feature.SHARE_VIA_FACEBOOK_MESSENGER.toString(), FacebookSdk.isInitialized() && isMessengerInstalled);
+        json.addProperty(Feature.SHARE_VIA_TWITTER.toString(), false);
+        json.addProperty(Feature.SHARE_VIA_NATIVE_EMAIL.toString(), isMailAvailable);
+        json.addProperty("sdk_version", BuildConfig.VERSION_NAME);
+        json.addProperty("sdk_build", BuildConfig.VERSION_CODE);
+
+        features = json;
+    }
+
+    public static String getFeatures() {
+        return features.toString();
+    }
+
+    public static boolean isAvailable(Feature feature) {
+        return JsonUtils.getJsonBoolean(features, feature.toString());
+    }
+}