Replace android.os.Looper by android.os.HandleThread to prevent blocking main thread

Author: JoBolNex

android/src/main/java/io/wazo/callkeep/RNCallKeepModule.java

@@ -35,7 +35,7 @@
 import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
-import android.os.Looper;
+import android.os.HandlerThread;
 import android.view.WindowManager;
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
@@ -120,6 +120,7 @@ public class RNCallKeepModule extends ReactContextBaseJavaModule implements Life
 
     private static final String TAG = "RNCallKeep";
     private static TelecomManager telecomManager;
+    private HandlerThread handlerThread;
     private LegacyCallStateListener legacyCallStateListener;
     private CallStateListener callStateListener;
     private static TelephonyManager telephonyManager;
@@ -304,7 +305,11 @@ public void stopListenToNativeCallsState() {
             telephonyManager.unregisterTelephonyCallback(callStateListener);
         } else if (Build.VERSION.SDK_INT < Build.VERSION_CODES.S && legacyCallStateListener != null){
             telephonyManager.listen(legacyCallStateListener, PhoneStateListener.LISTEN_NONE);
-            Looper.myLooper().quit();
+            
+            if (handlerThread != null) {
+                handlerThread.quitSafely();
+                handlerThread = null;
+            }
         }
     }
 
@@ -315,15 +320,16 @@ public void listenToNativeCallsState() {
 
         if (permissionCheck == PackageManager.PERMISSION_GRANTED) {
             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
-                  callStateListener = new CallStateListener();
-                  telephonyManager.registerTelephonyCallback(context.getMainExecutor(),callStateListener);
+                callStateListener = new CallStateListener();
+                telephonyManager.registerTelephonyCallback(context.getMainExecutor(),callStateListener);
             } else {
-                  if (Looper.myLooper() == null) {
-                    Looper.prepare();
-                  }
-                  legacyCallStateListener  = new LegacyCallStateListener();
-                  telephonyManager.listen(legacyCallStateListener, PhoneStateListener.LISTEN_CALL_STATE);
-                  Looper.loop();
+                if (handlerThread == null) {
+                    handlerThread = new HandlerThread("TelephonyManager");
+                    handlerThread.start();
+                }
+
+                legacyCallStateListener  = new LegacyCallStateListener();
+                telephonyManager.listen(legacyCallStateListener, PhoneStateListener.LISTEN_CALL_STATE);
             }
         }
     }

package.json

@@ -1,6 +1,6 @@
 {
   "name": "react-native-callkeep",
-  "version": "4.3.16",
+  "version": "4.3.17",
   "description": "iOS 10 CallKit and Android ConnectionService Framework For React Native",
   "main": "index.js",
   "scripts": {},