Add protection for not update-to-date or missing google play services

react-native-google-cast · Oct 26, 2019 · ec143cd · ec143cd
1 parent 0aed931
commit ec143cd
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Showing 4 changed files with 59 additions and 17 deletions.
diff --git a/CastButton.js b/CastButton.js
@@ -2,7 +2,9 @@
 
 import React from 'react'
 import PropTypes from 'prop-types'
-import { requireNativeComponent } from 'react-native'
+import { requireNativeComponent, NativeModules } from 'react-native';
+
+const { RNGoogleCast: GoogleCast } = NativeModules;
 
 /**
  * Button that presents the Cast icon.
@@ -14,7 +16,11 @@ import { requireNativeComponent } from 'react-native'
  */
 class CastButton extends React.Component {
   render() {
-    return <GoogleCastButton {...this.props} />
+    if (GoogleCast.CAST_AVAILABLE) {
+      return <GoogleCastButton {...this.props} />;
+    } else {
+      return null;
+    }
   }
 }
 

diff --git a/android/src/main/java/com/facebook/react/GoogleCastActivity.java b/android/src/main/java/com/facebook/react/GoogleCastActivity.java
@@ -17,7 +17,7 @@
 import com.facebook.react.modules.core.DefaultHardwareBackBtnHandler;
 import com.facebook.react.modules.core.PermissionAwareActivity;
 import com.facebook.react.modules.core.PermissionListener;
-import com.google.android.gms.cast.framework.CastContext;
+import com.reactnative.googlecast.GoogleCastModule;
 
 import javax.annotation.Nullable;
 
@@ -51,7 +51,7 @@ protected void onCreate(Bundle savedInstanceState) {
     super.onCreate(savedInstanceState);
     mDelegate.onCreate(savedInstanceState);
     // lazy load Google Cast context
-    CastContext.getSharedInstance(this);
+    GoogleCastModule.initializeCast(this);
   }
 
   @Override

diff --git a/android/src/main/java/com/reactnative/googlecast/GoogleCastModule.java b/android/src/main/java/com/reactnative/googlecast/GoogleCastModule.java
@@ -1,5 +1,6 @@
 package com.reactnative.googlecast;
 
+import android.content.Context;
 import android.content.Intent;
 import android.net.Uri;
 import android.support.annotation.NonNull;
@@ -62,13 +63,24 @@ public class GoogleCastModule
 
     protected static final  String CHANNEL_MESSAGE_RECEIVED = "GoogleCast:ChannelMessageReceived";
 
+    protected static final String E_CAST_NOT_AVAILABLE = "E_CAST_NOT_AVAILABLE";
+    protected static final String GOOGLE_CAST_NOT_AVAILABLE_MESSAGE = "Google Cast not available";
+
     private CastSession mCastSession;
     private SessionManagerListener<CastSession> mSessionManagerListener;
 
+    /*
+    'CAST_AVAILABLE' is volatile because 'initializeCast' is called on the main thread, but
+    react-native modules may be initialized on any thread.
+    */
+    private static volatile boolean CAST_AVAILABLE = true;
+
     public GoogleCastModule(ReactApplicationContext reactContext) {
         super(reactContext);
-        reactContext.addLifecycleEventListener(this);
-        setupCastListener();
+        if (CAST_AVAILABLE) {
+            reactContext.addLifecycleEventListener(this);
+            setupCastListener();
+        }
     }
 
     @Override
@@ -94,6 +106,8 @@ public Map<String, Object> getConstants() {
         constants.put("MEDIA_PLAYBACK_ENDED", MEDIA_PLAYBACK_ENDED);
         constants.put("MEDIA_PROGRESS_UPDATED", MEDIA_PROGRESS_UPDATED);
 
+        constants.put("CAST_AVAILABLE", CAST_AVAILABLE);
+
         constants.put("CHANNEL_MESSAGE_RECEIVED", CHANNEL_MESSAGE_RECEIVED);
         return constants;
     }
@@ -135,6 +149,14 @@ public void run() {
         });
     }
 
+    public static void initializeCast(Context context){
+        try {
+            CastContext.getSharedInstance(context);
+        } catch(RuntimeException e) {
+            CAST_AVAILABLE = false;
+        }
+    }
+
     private MediaInfo buildMediaInfo(ReadableMap params) {
         MediaMetadata movieMetadata =
                 new MediaMetadata(MediaMetadata.MEDIA_TYPE_MOVIE);
@@ -212,9 +234,13 @@ public void getCastState(final Promise promise) {
         getReactApplicationContext().runOnUiQueueThread(new Runnable() {
             @Override
             public void run() {
-                CastContext castContext =
+                if (CAST_AVAILABLE) {
+                    CastContext castContext =
                         CastContext.getSharedInstance(getReactApplicationContext());
-                promise.resolve(castContext.getCastState() - 1);
+                    promise.resolve(castContext.getCastState() - 1);
+                } else {
+                    promise.reject(E_CAST_NOT_AVAILABLE, GOOGLE_CAST_NOT_AVAILABLE_MESSAGE);
+                }
             }
         });
     }
@@ -327,22 +353,30 @@ public void endSession(final boolean stopCasting, final Promise promise) {
         getReactApplicationContext().runOnUiQueueThread(new Runnable() {
             @Override
             public void run() {
-                SessionManager sessionManager =
+                if (CAST_AVAILABLE) {
+                    SessionManager sessionManager =
                         CastContext.getSharedInstance(getReactApplicationContext())
                                 .getSessionManager();
-                sessionManager.endCurrentSession(stopCasting);
-                promise.resolve(true);
+                    sessionManager.endCurrentSession(stopCasting);
+                    promise.resolve(true);
+                } else {
+                    promise.reject(E_CAST_NOT_AVAILABLE, GOOGLE_CAST_NOT_AVAILABLE_MESSAGE);
+                }
             }
         });
     }
 
     @ReactMethod
     public void launchExpandedControls() {
-        ReactApplicationContext context = getReactApplicationContext();
-        Intent intent =
-                new Intent(context, GoogleCastExpandedControlsActivity.class);
-        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
-        context.startActivity(intent);
+        if (CAST_AVAILABLE) {
+            ReactApplicationContext context = getReactApplicationContext();
+            Intent intent = new Intent(context, GoogleCastExpandedControlsActivity.class);
+            intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+            context.startActivity(intent);
+        } else {
+            Log.i(REACT_CLASS, "Error :> " + GOOGLE_CAST_NOT_AVAILABLE_MESSAGE);
+        }
+
     }
 
     private void setupCastListener() {

diff --git a/ios/RNGoogleCast/RNGoogleCast.m b/ios/RNGoogleCast/RNGoogleCast.m
@@ -47,7 +47,9 @@ - (NSDictionary *)constantsToExport {
 
     @"CHANNEL_CONNECTED" : CHANNEL_CONNECTED,
     @"CHANNEL_MESSAGE_RECEIVED" : CHANNEL_MESSAGE_RECEIVED,
-    @"CHANNEL_DISCONNECTED" : CHANNEL_DISCONNECTED
+    @"CHANNEL_DISCONNECTED" : CHANNEL_DISCONNECTED,
+
+    @"CAST_AVAILABLE" : @YES
   };
 }