Lifecyle aware dialogs

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

@@ -69,7 +69,6 @@ import javax.net.ssl.HttpsURLConnection;
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.appcompat.app.ActionBarDrawerToggle;
-import androidx.appcompat.app.AlertDialog;
 import androidx.drawerlayout.widget.DrawerLayout;
 import androidx.fragment.app.FragmentManager;
 import androidx.fragment.app.FragmentTransaction;
@@ -345,7 +344,7 @@ public class ActivityView extends ActivityBilling implements FragmentManager.OnB
     private void checkFirst() {
         final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
         if (prefs.getBoolean("first", true)) {
-            new AlertDialog.Builder(this)
+            new DialogBuilderLifecycle(this, this)
                     .setMessage(getString(R.string.title_hint_sync))
                     .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
                         @Override
@@ -561,7 +560,7 @@ public class ActivityView extends ActivityBilling implements FragmentManager.OnB
 
                 final Intent update = new Intent(Intent.ACTION_VIEW, Uri.parse(info.html_url));
                 if (update.resolveActivity(getPackageManager()) != null)
-                    new AlertDialog.Builder(ActivityView.this)
+                    new DialogBuilderLifecycle(ActivityView.this, ActivityView.this)
                             .setMessage(getString(R.string.title_updated, info.tag_name))
                             .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
                                 @Override
@@ -660,7 +659,7 @@ public class ActivityView extends ActivityBilling implements FragmentManager.OnB
         if (faq.resolveActivity(getPackageManager()) == null)
             Helper.view(this, getIntentRate());
         else {
-            new AlertDialog.Builder(this)
+            new DialogBuilderLifecycle(this, this)
                     .setMessage(R.string.title_issue)
                     .setPositiveButton(R.string.title_yes, new DialogInterface.OnClickListener() {
                         @Override

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

@@ -41,7 +41,6 @@ import java.util.List;
 import java.util.Locale;
 
 import androidx.annotation.NonNull;
-import androidx.appcompat.app.AlertDialog;
 import androidx.appcompat.widget.PopupMenu;
 import androidx.lifecycle.LifecycleOwner;
 import androidx.localbroadcastmanager.content.LocalBroadcastManager;
@@ -219,7 +218,7 @@ public class AdapterFolder extends RecyclerView.Adapter<AdapterFolder.ViewHolder
                             break;
 
                         case action_empty_trash:
-                            new AlertDialog.Builder(context)
+                            new DialogBuilderLifecycle(context, owner)
                                     .setMessage(R.string.title_empty_trash_ask)
                                     .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
                                         @Override

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

@@ -52,7 +52,6 @@ import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 
 import androidx.annotation.NonNull;
-import androidx.appcompat.app.AlertDialog;
 import androidx.appcompat.widget.PopupMenu;
 import androidx.core.content.ContextCompat;
 import androidx.lifecycle.LifecycleOwner;
@@ -275,7 +274,7 @@ public class AdapterMessage extends PagedListAdapter<TupleMessageEx, AdapterMess
                     args.putInt("action", target.getItemId());
 
                     if (target.getItemId() == action_delete) {
-                        new AlertDialog.Builder(context)
+                        new DialogBuilderLifecycle(context, owner)
                                 .setMessage(R.string.title_ask_delete)
                                 .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
                                     @Override

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

@@ -0,0 +1,36 @@
+package eu.faircode.email;
+
+import android.content.Context;
+
+import androidx.appcompat.app.AlertDialog;
+import androidx.lifecycle.Lifecycle;
+import androidx.lifecycle.LifecycleObserver;
+import androidx.lifecycle.LifecycleOwner;
+import androidx.lifecycle.OnLifecycleEvent;
+
+public class DialogBuilderLifecycle extends AlertDialog.Builder implements LifecycleObserver {
+    private LifecycleOwner owner;
+    private AlertDialog dialog;
+
+    public DialogBuilderLifecycle(Context context, LifecycleOwner owner) {
+        super(context);
+        this.owner = owner;
+    }
+
+    public DialogBuilderLifecycle(Context context, int themeResId, LifecycleOwner owner) {
+        super(context, themeResId);
+        this.owner = owner;
+    }
+
+    @Override
+    public AlertDialog create() {
+        dialog = super.create();
+        owner.getLifecycle().addObserver(this);
+        return dialog;
+    }
+
+    @OnLifecycleEvent(Lifecycle.Event.ON_DESTROY)
+    public void onDestroy() {
+        dialog.dismiss();
+    }
+}

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

@@ -81,7 +81,6 @@ import javax.mail.Session;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
-import androidx.appcompat.app.AlertDialog;
 import androidx.constraintlayout.widget.Group;
 import androidx.core.content.ContextCompat;
 import androidx.fragment.app.FragmentTransaction;
@@ -548,7 +547,7 @@ public class FragmentAccount extends FragmentEx {
                         grpFolders.setVisibility(View.GONE);
                         btnSave.setVisibility(View.GONE);
 
-                        new AlertDialog.Builder(getContext())
+                        new DialogBuilderLifecycle(getContext(), getViewLifecycleOwner())
                                 .setMessage(Helper.formatThrowable(ex))
                                 .setPositiveButton(android.R.string.cancel, null)
                                 .create()
@@ -753,7 +752,7 @@ public class FragmentAccount extends FragmentEx {
                         btnSave.setEnabled(true);
                         pbSave.setVisibility(View.GONE);
 
-                        new AlertDialog.Builder(getContext())
+                        new DialogBuilderLifecycle(getContext(), getViewLifecycleOwner())
                                 .setMessage(Helper.formatThrowable(ex))
                                 .setPositiveButton(android.R.string.cancel, null)
                                 .create()
@@ -766,7 +765,7 @@ public class FragmentAccount extends FragmentEx {
         ibDelete.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
-                new AlertDialog.Builder(getContext())
+                new DialogBuilderLifecycle(getContext(), getViewLifecycleOwner())
                         .setMessage(R.string.title_account_delete)
                         .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
                             @Override

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

@@ -82,7 +82,6 @@ import javax.mail.internet.InternetAddress;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
-import androidx.appcompat.app.AlertDialog;
 import androidx.constraintlayout.widget.Group;
 import androidx.core.content.ContextCompat;
 import androidx.cursoradapter.widget.SimpleCursorAdapter;
@@ -237,7 +236,7 @@ public class FragmentCompose extends FragmentEx {
             public boolean onNavigationItemSelected(@NonNull MenuItem item) {
                 int action = item.getItemId();
                 if (action == R.id.action_delete) {
-                    new AlertDialog.Builder(getContext())
+                    new DialogBuilderLifecycle(getContext(), getViewLifecycleOwner())
                             .setMessage(R.string.title_ask_delete)
                             .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
                                 @Override
@@ -419,7 +418,8 @@ public class FragmentCompose extends FragmentEx {
     public boolean onOptionsItemSelected(MenuItem item) {
         switch (item.getItemId()) {
             case android.R.id.home:
-                handleExit();
+                if (getLifecycle().getCurrentState().isAtLeast(Lifecycle.State.RESUMED))
+                    handleExit();
                 return true;
             case R.id.menu_bold:
             case R.id.menu_italic:
@@ -513,22 +513,21 @@ public class FragmentCompose extends FragmentEx {
     }
 
     private void handleExit() {
-        if (getLifecycle().getCurrentState().isAtLeast(Lifecycle.State.RESUMED))
-            new AlertDialog.Builder(getContext())
-                    .setMessage(R.string.title_ask_delete)
-                    .setPositiveButton(R.string.title_yes, new DialogInterface.OnClickListener() {
-                        @Override
-                        public void onClick(DialogInterface dialog, int which) {
-                            onAction(R.id.action_delete);
-                        }
-                    })
-                    .setNegativeButton(R.string.title_no, new DialogInterface.OnClickListener() {
-                        @Override
-                        public void onClick(DialogInterface dialog, int which) {
-                            finish();
-                        }
-                    })
-                    .show();
+        new DialogBuilderLifecycle(getContext(), getViewLifecycleOwner())
+                .setMessage(R.string.title_ask_delete)
+                .setPositiveButton(R.string.title_yes, new DialogInterface.OnClickListener() {
+                    @Override
+                    public void onClick(DialogInterface dialog, int which) {
+                        onAction(R.id.action_delete);
+                    }
+                })
+                .setNegativeButton(R.string.title_no, new DialogInterface.OnClickListener() {
+                    @Override
+                    public void onClick(DialogInterface dialog, int which) {
+                        finish();
+                    }
+                })
+                .show();
     }
 
     private void handlePickContact(int requestCode, Intent data) {

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

@@ -44,7 +44,6 @@ import javax.mail.Session;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
-import androidx.appcompat.app.AlertDialog;
 import androidx.lifecycle.Observer;
 
 public class FragmentFolder extends FragmentEx {
@@ -211,7 +210,7 @@ public class FragmentFolder extends FragmentEx {
         ibDelete.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
-                new AlertDialog.Builder(getContext())
+                new DialogBuilderLifecycle(getContext(), getViewLifecycleOwner())
                         .setMessage(R.string.title_folder_delete)
                         .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
                             @Override

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

@@ -54,7 +54,6 @@ import javax.mail.Transport;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
-import androidx.appcompat.app.AlertDialog;
 import androidx.constraintlayout.widget.Group;
 import androidx.lifecycle.Observer;
 
@@ -403,7 +402,7 @@ public class FragmentIdentity extends FragmentEx {
                         btnSave.setEnabled(true);
                         pbSave.setVisibility(View.GONE);
 
-                        new AlertDialog.Builder(getContext())
+                        new DialogBuilderLifecycle(getContext(), getViewLifecycleOwner())
                                 .setMessage(Helper.formatThrowable(ex))
                                 .setPositiveButton(android.R.string.cancel, null)
                                 .create()
@@ -416,7 +415,7 @@ public class FragmentIdentity extends FragmentEx {
         ibDelete.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
-                new AlertDialog.Builder(getContext())
+                new DialogBuilderLifecycle(getContext(), getViewLifecycleOwner())
                         .setMessage(R.string.title_identity_delete)
                         .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
                             @Override

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

@@ -87,7 +87,6 @@ import javax.mail.internet.InternetAddress;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
-import androidx.appcompat.app.AlertDialog;
 import androidx.appcompat.widget.PopupMenu;
 import androidx.constraintlayout.widget.Group;
 import androidx.core.content.ContextCompat;
@@ -320,7 +319,7 @@ public class FragmentMessage extends FragmentEx {
                         View view = LayoutInflater.from(getContext()).inflate(R.layout.dialog_link, null);
                         final EditText etLink = view.findViewById(R.id.etLink);
                         etLink.setText(url);
-                        new AlertDialog.Builder(getContext())
+                        new DialogBuilderLifecycle(getContext(), getViewLifecycleOwner())
                                 .setView(view)
                                 .setPositiveButton(R.string.title_yes, new DialogInterface.OnClickListener() {
                                     @Override
@@ -865,7 +864,7 @@ public class FragmentMessage extends FragmentEx {
     }
 
     private void onActionSpam() {
-        new AlertDialog.Builder(getContext())
+        new DialogBuilderLifecycle(getContext(), getViewLifecycleOwner())
                 .setMessage(R.string.title_ask_spam)
                 .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
                     @Override
@@ -921,7 +920,7 @@ public class FragmentMessage extends FragmentEx {
         boolean delete = (Boolean) bottom_navigation.getTag();
         if (delete) {
             // No trash or is trash
-            new AlertDialog.Builder(getContext())
+            new DialogBuilderLifecycle(getContext(), getViewLifecycleOwner())
                     .setMessage(R.string.title_ask_delete)
                     .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
                         @Override

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

@@ -65,7 +65,6 @@ import java.util.List;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
-import androidx.appcompat.app.AlertDialog;
 import androidx.core.content.ContextCompat;
 import androidx.fragment.app.FragmentTransaction;
 import androidx.lifecycle.Observer;
@@ -176,7 +175,7 @@ public class FragmentSetup extends FragmentEx {
         btnDoze.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
-                new AlertDialog.Builder(getContext())
+                new DialogBuilderLifecycle(getContext(), getViewLifecycleOwner())
                         .setMessage(R.string.title_setup_doze_instructions)
                         .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
                             @Override