Fixed message view unexpectedly closing

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

@@ -35,6 +35,7 @@ import android.net.NetworkCapabilities;
 import android.net.NetworkInfo;
 import android.net.Uri;
 import android.os.Bundle;
+import android.os.Handler;
 import android.os.ParcelFileDescriptor;
 import android.preference.PreferenceManager;
 import android.text.TextUtils;
@@ -325,6 +326,8 @@ public class ActivityView extends ActivityBilling implements FragmentManager.OnB
         if (savedInstanceState != null)
             drawerToggle.setDrawerIndicatorEnabled(savedInstanceState.getBoolean("toggle"));
 
+        new Handler().post(checkIntent);
+
         checkFirst();
         checkCrash();
         if (!Helper.isPlayStoreInstall(this))
@@ -334,44 +337,9 @@ public class ActivityView extends ActivityBilling implements FragmentManager.OnB
         pgpService.bindToService();
     }
 
+    private Runnable checkIntent = new Runnable() {
         @Override
-    protected void onSaveInstanceState(Bundle outState) {
-        super.onSaveInstanceState(outState);
-        outState.putBoolean("toggle", drawerToggle.isDrawerIndicatorEnabled());
-    }
-
-    @Override
-    protected void onPostCreate(Bundle savedInstanceState) {
-        super.onPostCreate(savedInstanceState);
-        drawerToggle.syncState();
-    }
-
-    @Override
-    protected void onNewIntent(Intent intent) {
-        super.onNewIntent(intent);
-        setIntent(intent);
-    }
-
-    @Override
-    protected void onResume() {
-        super.onResume();
-
-        LocalBroadcastManager lbm = LocalBroadcastManager.getInstance(this);
-        IntentFilter iff = new IntentFilter();
-        iff.addAction(ACTION_VIEW_MESSAGES);
-        iff.addAction(ACTION_VIEW_THREAD);
-        iff.addAction(ACTION_VIEW_FULL);
-        iff.addAction(ACTION_EDIT_FOLDER);
-        iff.addAction(ACTION_EDIT_ANSWER);
-        iff.addAction(ACTION_STORE_ATTACHMENT);
-        iff.addAction(ACTION_DECRYPT);
-        iff.addAction(ACTION_SHOW_PRO);
-        iff.addAction(ACTION_SHOW_LEGEND);
-        lbm.registerReceiver(receiver, iff);
-
-        if (!pgpService.isBound())
-            pgpService.bindToService();
-
+        public void run() {
             Intent intent = getIntent();
             String action = intent.getAction();
             Log.i(Helper.TAG, "View intent=" + intent + " action=" + action);
@@ -386,7 +354,7 @@ public class ActivityView extends ActivityBilling implements FragmentManager.OnB
                     onDebugInfo();
 
                 else if (action.startsWith("thread")) {
-                ViewModelMessages model = ViewModelProviders.of(this).get(ViewModelMessages.class);
+                    ViewModelMessages model = ViewModelProviders.of(ActivityView.this).get(ViewModelMessages.class);
                     model.setMessages(null);
 
                     intent.putExtra("thread", action.split(":", 2)[1]);
@@ -400,7 +368,7 @@ public class ActivityView extends ActivityBilling implements FragmentManager.OnB
                 intent.removeExtra(Intent.EXTRA_PROCESS_TEXT);
                 setIntent(intent);
 
-            if (Helper.isPro(this)) {
+                if (Helper.isPro(ActivityView.this)) {
                     Bundle args = new Bundle();
                     args.putString("search", search);
 
@@ -436,7 +404,7 @@ public class ActivityView extends ActivityBilling implements FragmentManager.OnB
                         protected void onException(Bundle args, Throwable ex) {
                             Helper.unexpectedError(ActivityView.this, ActivityView.this, ex);
                         }
-                }.load(this, args);
+                    }.load(ActivityView.this, args);
                 } else {
                     FragmentTransaction fragmentTransaction = getSupportFragmentManager().beginTransaction();
                     fragmentTransaction.replace(R.id.content_frame, new FragmentPro()).addToBackStack("pro");
@@ -444,6 +412,47 @@ public class ActivityView extends ActivityBilling implements FragmentManager.OnB
                 }
             }
         }
+    };
+
+    @Override
+    protected void onSaveInstanceState(Bundle outState) {
+        super.onSaveInstanceState(outState);
+        outState.putBoolean("toggle", drawerToggle.isDrawerIndicatorEnabled());
+    }
+
+    @Override
+    protected void onPostCreate(Bundle savedInstanceState) {
+        super.onPostCreate(savedInstanceState);
+        drawerToggle.syncState();
+    }
+
+    @Override
+    protected void onNewIntent(Intent intent) {
+        super.onNewIntent(intent);
+        setIntent(intent);
+        new Handler().post(checkIntent);
+    }
+
+    @Override
+    protected void onResume() {
+        super.onResume();
+
+        LocalBroadcastManager lbm = LocalBroadcastManager.getInstance(this);
+        IntentFilter iff = new IntentFilter();
+        iff.addAction(ACTION_VIEW_MESSAGES);
+        iff.addAction(ACTION_VIEW_THREAD);
+        iff.addAction(ACTION_VIEW_FULL);
+        iff.addAction(ACTION_EDIT_FOLDER);
+        iff.addAction(ACTION_EDIT_ANSWER);
+        iff.addAction(ACTION_STORE_ATTACHMENT);
+        iff.addAction(ACTION_DECRYPT);
+        iff.addAction(ACTION_SHOW_PRO);
+        iff.addAction(ACTION_SHOW_LEGEND);
+        lbm.registerReceiver(receiver, iff);
+
+        if (!pgpService.isBound())
+            pgpService.bindToService();
+    }
 
     @Override
     protected void onPause() {