Add 'Manage notifications' shortcut

app/src/main/java/com/todoroo/astrid/reminders/ReminderPreferences.java

@@ -5,10 +5,12 @@
  */
 package com.todoroo.astrid.reminders;
 
+import android.annotation.TargetApi;
 import android.content.Intent;
 import android.media.Ringtone;
 import android.media.RingtoneManager;
 import android.net.Uri;
+import android.os.Build;
 import android.os.Bundle;
 import android.preference.CheckBoxPreference;
 import android.preference.Preference;
@@ -22,6 +24,7 @@ import org.tasks.activities.TimePickerActivity;
 import org.tasks.injection.ActivityComponent;
 import org.tasks.injection.InjectingPreferenceActivity;
 import org.tasks.jobs.JobManager;
+import org.tasks.notifications.NotificationManager;
 import org.tasks.preferences.ActivityPermissionRequestor;
 import org.tasks.preferences.Device;
 import org.tasks.preferences.PermissionChecker;
@@ -77,10 +80,22 @@ public class ReminderPreferences extends InjectingPreferenceActivity {
         initializeTimePreference(getQuietStartPreference(), REQUEST_QUIET_START);
         initializeTimePreference(getQuietEndPreference(), REQUEST_QUIET_END);
 
+        findPreference(R.string.notification_channel_settings).setOnPreferenceClickListener(this::openNotificationChannelSettings);
+
         requires(device.supportsLocationServices(), R.string.geolocation_reminders);
+        requires(atLeastOreo(), R.string.notification_channel_settings);
         requires(preOreo(), R.string.p_rmd_ringtone, R.string.p_rmd_vibrate, R.string.p_led_notification);
     }
 
+    @TargetApi(Build.VERSION_CODES.O)
+    private boolean openNotificationChannelSettings(Preference ignored) {
+            Intent intent = new Intent(Settings.ACTION_CHANNEL_NOTIFICATION_SETTINGS);
+            intent.putExtra(Settings.EXTRA_CHANNEL_ID, NotificationManager.DEFAULT_NOTIFICATION_CHANNEL);
+            intent.putExtra(Settings.EXTRA_APP_PACKAGE, ReminderPreferences.this.getPackageName());
+            startActivity(intent);
+        return true;
+    }
+
     private void rescheduleNotificationsOnChange(int... resIds) {
         for (int resId : resIds) {
             findPreference(getString(resId)).setOnPreferenceChangeListener((preference, newValue) -> {

app/src/main/java/org/tasks/notifications/NotificationManager.java

@@ -16,7 +16,7 @@ public class NotificationManager {
 
     private final android.app.NotificationManager notificationManager;
     private final Preferences preferences;
-    public static final String DEFAULT_NOTIFICATION_CHANNEL = "my_channel_01";
+    public static final String DEFAULT_NOTIFICATION_CHANNEL = "notifications";
 
     @Inject
     public NotificationManager(@ForApplication Context context, Preferences preferences) {
@@ -28,6 +28,9 @@ public class NotificationManager {
             NotificationChannel notificationChannel = new NotificationChannel(DEFAULT_NOTIFICATION_CHANNEL, channelName, android.app.NotificationManager.IMPORTANCE_HIGH);
             notificationChannel.enableLights(true);
             notificationChannel.enableVibration(true);
+            notificationChannel.setBypassDnd(true);
+            notificationChannel.setShowBadge(true);
+            notificationChannel.setImportance(android.app.NotificationManager.IMPORTANCE_HIGH);
             notificationChannel.setLightColor(preferences.getLEDColor());
             notificationChannel.setVibrationPattern(preferences.getVibrationPattern());
             notificationManager.createNotificationChannel(notificationChannel);

app/src/main/res/values/strings.xml

@@ -789,4 +789,5 @@ File %1$s contained %2$s.\n\n
   <string name="start_of_week">Start of week</string>
   <string name="use_locale_default">Use locale default</string>
   <string name="use_native_datetime_pickers">Use native date and time pickers</string>
+  <string name="notification_channel_settings">Manage notifications</string>
 </resources>

app/src/main/res/xml/preferences_reminders.xml

@@ -12,6 +12,10 @@
         android:defaultValue="true"
         android:key="@string/p_rmd_enabled"
         android:title="@string/enabled" />
+    <Preference
+        android:dependency="@string/p_rmd_enabled"
+        android:key="@string/notification_channel_settings"
+        android:title="@string/notification_channel_settings" />
     <RingtonePreference
         android:defaultValue="content://settings/system/notification_sound"
         android:dependency="@string/p_rmd_enabled"