Fixed crash in API31, not having declared mutability on PendingIntent.

Author: Aristos Pasalides

notify/src/main/java/com/application/isradeleon/notify/Notify.java

@@ -1,5 +1,11 @@
 package com.application.isradeleon.notify;
 
+import static android.app.PendingIntent.FLAG_CANCEL_CURRENT;
+import static android.app.PendingIntent.FLAG_IMMUTABLE;
+import static android.os.Build.VERSION.SDK_INT;
+import static android.os.Build.VERSION_CODES.M;
+
+import android.annotation.SuppressLint;
 import android.app.Notification;
 import android.app.NotificationChannel;
 import android.app.NotificationManager;
@@ -90,6 +96,7 @@ private Notify(Context _context){
 
  public static Notify build(@NonNull Context context){ return new Notify(context); }
 
+ @SuppressLint("UnspecifiedImmutableFlag")
  public void show(){
  if (context == null) return;
 
@@ -139,14 +146,14 @@ public void show(){
  * Set notification color
  * */
  int realColor;
- if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) realColor = color == -1 ? Color.BLACK : context.getResources().getColor(color, null);
+ if (SDK_INT >= M) realColor = color == -1 ? Color.BLACK : context.getResources().getColor(color, null);
  else realColor = color == -1 ? Color.BLACK : context.getResources().getColor(color);
  builder.setColor(realColor);
 
  /*
  * Oreo^ notification channels
  * */
- if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+ if (SDK_INT >= Build.VERSION_CODES.O) {
  NotificationChannel notificationChannel = new NotificationChannel(
  channelId, channelName, oreoImportance
  );
@@ -171,7 +178,12 @@ public void show(){
  * Action triggered when user clicks noti
  * */
  if(this.action != null){
- PendingIntent pi = PendingIntent.getActivity(context, id, this.action, PendingIntent.FLAG_CANCEL_CURRENT);
+ PendingIntent pi;
+ if (SDK_INT >= M)
+ pi = PendingIntent.getActivity(context, id, this.action,
+ FLAG_CANCEL_CURRENT | FLAG_IMMUTABLE);
+ else pi = PendingIntent.getActivity(context, id,
+ this.action, FLAG_CANCEL_CURRENT);
  builder.setContentIntent(pi);
  }
 
@@ -214,7 +226,7 @@ public Notify setChannelDescription(@NonNull String channelDescription) {
  }
 
  public Notify setImportance(@NonNull NotifyImportance importance){
- if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
+ if (SDK_INT >= Build.VERSION_CODES.N) {
  switch (importance){
  case MIN:
  this.importance = Notification.PRIORITY_LOW;
@@ -242,7 +254,7 @@ public Notify setImportance(@NonNull NotifyImportance importance){
 
  private void setDefaultPriority(){
  this.importance = Notification.PRIORITY_DEFAULT;
- if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N)
+ if (SDK_INT >= Build.VERSION_CODES.N)
  this.oreoImportance = NotificationManager.IMPORTANCE_DEFAULT;
  }