Allow user to permanently dismiss notifications request

Also handles pre-13 devices that have blocked notifications

Signed-off-by: androidacy-user <opensource@androidacy.com>

Author: androidacy-user

app/build.gradle

@@ -29,9 +29,9 @@ android {
             applicationIdSuffix '.debug'
             debuggable true
             // ONLY FOR TESTING SENTRY
-            minifyEnabled true
-            shrinkResources true
-            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+            // minifyEnabled true
+            // shrinkResources true
+            // proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'),'proguard-rules.pro'
         }
     }
 

app/src/main/java/com/fox2code/mmm/MainActivity.java

@@ -9,10 +9,12 @@
 import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
+import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.Looper;
+import android.provider.Settings;
 import android.util.Log;
 import android.view.inputmethod.EditorInfo;
 import android.widget.AutoCompleteTextView;
@@ -271,8 +273,29 @@ public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
             backgroundUpdateCheck.setVisible(!MainApplication.isWrapped());
             // Make uncheckable if POST_NOTIFICATIONS permission is not granted
             if (!MainApplication.isNotificationPermissionGranted()) {
+                // Instead of disabling the preference, we make it uncheckable and when the user
+                // clicks on it, we show a dialog explaining why the permission is needed
+                backgroundUpdateCheck.setOnPreferenceClickListener(preference -> {
+                    // set the box to unchecked
+                    ((SwitchPreferenceCompat) backgroundUpdateCheck).setChecked(false);
+                    // ensure that the preference is false
+                    MainApplication.getSharedPreferences().edit().putBoolean("pref_background_update_check", false).apply();
+                    new MaterialAlertDialogBuilder(this.requireContext())
+                            .setTitle(R.string.permission_notification_title)
+                            .setMessage(R.string.permission_notification_message)
+                            .setPositiveButton(R.string.ok, (dialog, which) -> {
+                                // Open the app settings
+                                Intent intent = new Intent();
+                                intent.setAction(Settings.ACTION_APPLICATION_DETAILS_SETTINGS);
+                                Uri uri = Uri.fromParts("package", this.requireContext().getPackageName(), null);
+                                intent.setData(uri);
+                                this.startActivity(intent);
+                            })
+                            .setNegativeButton(R.string.cancel, (dialog, which) -> {})
+                            .show();
+                    return true;
+                });
                 backgroundUpdateCheck.setSummary(R.string.background_update_check_permission_required);
-                backgroundUpdateCheck.setEnabled(false);
             }
             backgroundUpdateCheck.setOnPreferenceChangeListener((preference, newValue) -> {
                 boolean enabled = Boolean.parseBoolean(String.valueOf(newValue));

app/src/main/java/com/fox2code/mmm/settings/SettingsActivity.java

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_marginStart="8dp"
+    android:layout_marginEnd="8dp"
+    android:layout_height="wrap_content" >
+
+    <CheckBox
+        android:id="@+id/checkbox"
+        style="?android:attr/smallIcon"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="16dp"
+        android:layout_marginEnd="16dp"/>
+
+</FrameLayout>

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

@@ -11,4 +11,5 @@
         <item>Dark</item>
         <item>Light</item>
     </string-array>
+    <string-array name="permission_notification_dont_ask_again">Don't prompt again</string-array>
 </resources>

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

@@ -187,4 +187,5 @@
     <string name="permission_notification_message">We need the notifications permission to notify you on app and module updates. If you don\'t grant this permission, background update checks will not run.</string>
     <string name="permission_notification_grant">Grant permission</string>
     <string name="background_update_check_permission_required">Please enable notifications to enable this option.</string>
+    <string name="dont_ask_again">Don\'t ask again</string>
 </resources>