Allow hiding notification permission nag (#6730)

- Support showing most error messages as a snackbar
- Ask for notification permission when enabling episode notifications
- Clarify what we use notifications for

2 files changed, 42 insertions, 1 deletions

diff --git a/app/src/main/java/de/danoeh/antennapod/activity/PreferenceActivity.java b/app/src/main/java/de/danoeh/antennapod/activity/PreferenceActivity.java
index b101c20c0..6202f62da 100644
--- a/app/src/main/java/de/danoeh/antennapod/activity/PreferenceActivity.java
+++ b/app/src/main/java/de/danoeh/antennapod/activity/PreferenceActivity.java
@@ -4,6 +4,7 @@ import android.content.Intent;
 import android.os.Build;
 import android.os.Bundle;
 import android.provider.Settings;
+import android.util.Log;
 import android.view.MenuItem;
 
 import android.view.View;
@@ -17,9 +18,11 @@ import androidx.preference.PreferenceFragmentCompat;
 import com.bytehamster.lib.preferencesearch.SearchPreferenceResult;
 import com.bytehamster.lib.preferencesearch.SearchPreferenceResultListener;
 
+import com.google.android.material.snackbar.Snackbar;
 import de.danoeh.antennapod.R;
 import de.danoeh.antennapod.core.preferences.ThemeSwitcher;
 import de.danoeh.antennapod.databinding.SettingsActivityBinding;
+import de.danoeh.antennapod.event.MessageEvent;
 import de.danoeh.antennapod.fragment.preferences.AutoDownloadPreferencesFragment;
 import de.danoeh.antennapod.fragment.preferences.ImportExportPreferencesFragment;
 import de.danoeh.antennapod.fragment.preferences.MainPreferencesFragment;
@@ -29,6 +32,9 @@ import de.danoeh.antennapod.fragment.preferences.PlaybackPreferencesFragment;
 import de.danoeh.antennapod.fragment.preferences.synchronization.SynchronizationPreferencesFragment;
 import de.danoeh.antennapod.fragment.preferences.SwipePreferencesFragment;
 import de.danoeh.antennapod.fragment.preferences.UserInterfacePreferencesFragment;
+import org.greenrobot.eventbus.EventBus;
+import org.greenrobot.eventbus.Subscribe;
+import org.greenrobot.eventbus.ThreadMode;
 
 /**
  * PreferenceActivity for API 11+. In order to change the behavior of the preference UI, see
@@ -162,4 +168,26 @@ public class PreferenceActivity extends AppCompatActivity implements SearchPrefe
             result.highlight(fragment);
         }
     }
+
+    @Override
+    protected void onStart() {
+        super.onStart();
+        EventBus.getDefault().register(this);
+    }
+
+    @Override
+    protected void onStop() {
+        super.onStop();
+        EventBus.getDefault().unregister(this);
+    }
+
+    @Subscribe(threadMode = ThreadMode.MAIN)
+    public void onEventMainThread(MessageEvent event) {
+        Log.d(FRAGMENT_TAG, "onEvent(" + event + ")");
+        Snackbar s = Snackbar.make(binding.getRoot(), event.message, Snackbar.LENGTH_LONG);
+        if (event.action != null) {
+            s.setAction(event.actionText, v -> event.action.accept(this));
+        }
+        s.show();
+    }
 }
diff --git a/app/src/main/java/de/danoeh/antennapod/activity/VideoplayerActivity.java b/app/src/main/java/de/danoeh/antennapod/activity/VideoplayerActivity.java
index fe5eb369c..e3473937e 100644
--- a/app/src/main/java/de/danoeh/antennapod/activity/VideoplayerActivity.java
+++ b/app/src/main/java/de/danoeh/antennapod/activity/VideoplayerActivity.java
@@ -32,9 +32,11 @@ import android.widget.SeekBar;
 import androidx.annotation.Nullable;
 import androidx.interpolator.view.animation.FastOutSlowInInterpolator;
 import com.bumptech.glide.Glide;
+import com.google.android.material.dialog.MaterialAlertDialogBuilder;
 import de.danoeh.antennapod.R;
 import de.danoeh.antennapod.dialog.MediaPlayerErrorDialog;
 import de.danoeh.antennapod.dialog.VariableSpeedDialog;
+import de.danoeh.antennapod.event.MessageEvent;
 import de.danoeh.antennapod.event.playback.BufferUpdateEvent;
 import de.danoeh.antennapod.event.playback.PlaybackPositionEvent;
 import de.danoeh.antennapod.event.PlayerErrorEvent;
@@ -85,7 +87,7 @@ public class VideoplayerActivity extends CastEnabledActivity implements SeekBar.
     private boolean videoSurfaceCreated = false;
     private boolean destroyingDueToReload = false;
     private long lastScreenTap = 0;
-    private Handler videoControlsHider = new Handler(Looper.getMainLooper());
+    private final Handler videoControlsHider = new Handler(Looper.getMainLooper());
     private VideoplayerActivityBinding viewBinding;
     private PlaybackController controller;
     private boolean showTimeLeft = false;
@@ -516,6 +518,17 @@ public class VideoplayerActivity extends CastEnabledActivity implements SeekBar.
         MediaPlayerErrorDialog.show(this, event);
     }
 
+    @Subscribe(threadMode = ThreadMode.MAIN)
+    public void onEventMainThread(MessageEvent event) {
+        Log.d(TAG, "onEvent(" + event + ")");
+        final MaterialAlertDialogBuilder errorDialog = new MaterialAlertDialogBuilder(this);
+        errorDialog.setMessage(event.message);
+        if (event.action != null) {
+            errorDialog.setPositiveButton(event.actionText, (dialog, which) -> event.action.accept(this));
+        }
+        errorDialog.show();
+    }
+
     @Override
     public boolean onCreateOptionsMenu(Menu menu) {
         super.onCreateOptionsMenu(menu);