Build config fields for Play store releases

app/build.gradle

@@ -27,12 +27,16 @@ android {
             minifyEnabled = true
             useProguard = true
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+            buildConfigField "boolean", "PLAY_STORE_RELEASE", "false"
+            buildConfigField "String", "GITHUB_LATEST_API", "\"https://api.github.com/repos/M66B/open-source-email/releases/latest\""
         }
         debug {
             debuggable = true
             minifyEnabled = false
             useProguard = false
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+            buildConfigField "boolean", "PLAY_STORE_RELEASE", "false"
+            buildConfigField "String", "GITHUB_LATEST_API", "\"https://api.github.com/repos/M66B/open-source-email/releases/latest\""
         }
     }
 

app/src/main/java/eu/faircode/email/ActivityView.java

@@ -145,7 +145,6 @@ public class ActivityView extends ActivityBilling implements FragmentManager.OnB
     static final String ACTION_DECRYPT = BuildConfig.APPLICATION_ID + ".DECRYPT";
     static final String ACTION_SHOW_PRO = BuildConfig.APPLICATION_ID + ".SHOW_PRO";
 
-    static final String UPDATE_LATEST_API = "https://api.github.com/repos/M66B/open-source-email/releases/latest";
     static final long UPDATE_INTERVAL = 12 * 3600 * 1000L; // milliseconds
 
     private static final String PGP_BEGIN_MESSAGE = "-----BEGIN PGP MESSAGE-----";
@@ -642,7 +641,7 @@ public class ActivityView extends ActivityBilling implements FragmentManager.OnB
                 StringBuilder json = new StringBuilder();
                 HttpsURLConnection urlConnection = null;
                 try {
-                    URL latest = new URL(UPDATE_LATEST_API);
+                    URL latest = new URL(BuildConfig.GITHUB_LATEST_API);
                     urlConnection = (HttpsURLConnection) latest.openConnection();
                     BufferedReader br = new BufferedReader(new InputStreamReader(urlConnection.getInputStream()));
 

app/src/main/java/eu/faircode/email/Helper.java

@@ -427,6 +427,8 @@ public class Helper {
     }
 
     static boolean isPlayStoreInstall(Context context) {
+        if (BuildConfig.PLAY_STORE_RELEASE)
+            return true;
         if (false && BuildConfig.DEBUG)
             return true;
         try {