Added button to directly navigate to the notification channel settings

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

@@ -37,6 +37,7 @@ import android.view.ViewGroup;
 import android.widget.Button;
 import android.widget.CheckBox;
 import android.widget.CompoundButton;
+import android.widget.ImageButton;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
@@ -56,6 +57,7 @@ public class FragmentOptionsNotifications extends FragmentBase implements Shared
     private CheckBox cbNotifyActionFlag;
     private CheckBox cbNotifyActionSeen;
     private Button btnManage;
+    private ImageButton ibManage;
     private SwitchCompat swLight;
     private Button btnSound;
 
@@ -83,6 +85,7 @@ public class FragmentOptionsNotifications extends FragmentBase implements Shared
         cbNotifyActionFlag = view.findViewById(R.id.cbNotifyActionFlag);
         cbNotifyActionSeen = view.findViewById(R.id.cbNotifyActionSeen);
         btnManage = view.findViewById(R.id.btnManage);
+        ibManage = view.findViewById(R.id.ibManage);
         swLight = view.findViewById(R.id.swLight);
         btnSound = view.findViewById(R.id.btnSound);
 
@@ -92,6 +95,7 @@ public class FragmentOptionsNotifications extends FragmentBase implements Shared
 
         // Wire controls
 
+        PackageManager pm = getContext().getPackageManager();
         final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getContext());
 
         swNotifyGroup.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
@@ -144,7 +148,6 @@ public class FragmentOptionsNotifications extends FragmentBase implements Shared
         });
 
         final Intent manage = getIntentNotifications(getContext());
-        PackageManager pm = getContext().getPackageManager();
         btnManage.setVisibility(manage.resolveActivity(pm) == null ? View.GONE : View.VISIBLE);
         btnManage.setOnClickListener(new View.OnClickListener() {
             @Override
@@ -153,6 +156,17 @@ public class FragmentOptionsNotifications extends FragmentBase implements Shared
             }
         });
 
+        final Intent channel = new Intent(Settings.ACTION_CHANNEL_NOTIFICATION_SETTINGS)
+                .putExtra(Settings.EXTRA_APP_PACKAGE, getContext().getPackageName())
+                .putExtra(Settings.EXTRA_CHANNEL_ID, "notification");
+        ibManage.setVisibility(channel.resolveActivity(pm) == null ? View.GONE : View.VISIBLE);
+        ibManage.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                startActivity(channel);
+            }
+        });
+
         swLight.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
             @Override
             public void onCheckedChanged(CompoundButton compoundButton, boolean checked) {

app/src/main/res/drawable/baseline_launch_24.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0"
+        android:tint="?attr/colorControlNormal">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M19,19H5V5h7V3H5c-1.11,0 -2,0.9 -2,2v14c0,1.1 0.89,2 2,2h14c1.1,0 2,-0.9 2,-2v-7h-2v7zM14,3v2h3.59l-9.83,9.83 1.41,1.41L19,6.41V10h2V3h-7z"/>
+</vector>

app/src/main/res/layout/fragment_options_notifications.xml

@@ -148,14 +148,22 @@
                 android:id="@+id/tvManageHint"
                 android:layout_width="0dp"
                 android:layout_height="wrap_content"
-                android:layout_marginEnd="48dp"
                 android:text="@string/title_advanced_notify_manage_hint"
                 android:textAppearance="@style/TextAppearance.AppCompat.Small"
                 android:textStyle="italic"
-                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintEnd_toStartOf="@+id/ibManage"
                 app:layout_constraintStart_toStartOf="parent"
                 app:layout_constraintTop_toBottomOf="@id/btnManage" />
 
+            <ImageButton
+                android:id="@+id/ibManage"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:contentDescription="@string/title_setup_notifications"
+                app:layout_constraintBottom_toBottomOf="@id/tvManageHint"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:srcCompat="@drawable/baseline_launch_24" />
+
             <androidx.appcompat.widget.SwitchCompat
                 android:id="@+id/swLight"
                 android:layout_width="match_parent"