Implement save access token for twitter

Author: mythz

src/AndroidClient/androidchat/src/main/java/servicestack/net/androidchat/App.java

@@ -2,9 +2,14 @@
 
 import android.app.Application;
 import android.content.Context;
+import android.content.SharedPreferences;
 import android.graphics.Bitmap;
 import android.support.v4.util.LruCache;
 
+import com.facebook.AccessToken;
+import com.facebook.login.LoginManager;
+import com.twitter.sdk.android.core.TwitterAuthToken;
+
 import net.servicestack.android.AndroidServerEventsClient;
 import net.servicestack.android.AndroidServiceClient;
 import net.servicestack.android.AsyncUtils;
@@ -18,6 +23,7 @@ public class App extends Application {
     public static final String BaseUrl = "http://chat.servicestack.net/";
 
     private Context context;
+    private SharedPreferences prefs;
     private AndroidServerEventsClient serverEventsClient;
     private static App instance;
     private LruCache bitmapCache = new LruCache(4 * 1024 * 1024) {// 4MiB
@@ -30,6 +36,7 @@ public App() {}
 
     public App(Context context, String... channels) {
         this.context = context;
+        this.prefs = context.getSharedPreferences("servicestack.net.androidchat",Context.MODE_PRIVATE);
         serverEventsClient = new AndroidServerEventsClient(BaseUrl, channels);
     }
 
@@ -54,6 +61,34 @@ public AndroidServiceClient getServiceClient(){
         return serverEventsClient.getAndroidClient();
     }
 
+    public dtos.Authenticate getSavedAccessToken(){
+        AccessToken facebookAccessToken = AccessToken.getCurrentAccessToken();
+        if (facebookAccessToken != null){
+            return new dtos.Authenticate()
+                .setProvider("facebook")
+                .setAccessToken(facebookAccessToken.getToken())
+                .setRememberMe(true);
+        }
+
+        String twitterAccessToken = prefs.getString("twitter.AccessToken", null);
+        String twitterAccessSecret = prefs.getString("twitter.AccessTokenSecret", null);
+
+        if (twitterAccessToken == null || twitterAccessSecret == null)
+            return null;
+
+        return new dtos.Authenticate()
+            .setProvider("twitter")
+            .setAccessToken(twitterAccessToken)
+            .setAccessTokenSecret(twitterAccessSecret)
+            .setRememberMe(true);
+    }
+
+    public void saveTwitterAccessToken(TwitterAuthToken authToken){
+        SharedPreferences.Editor editor = prefs.edit();
+        editor.putString("twitter.AccessToken", authToken.token);
+        editor.putString("twitter.AccessTokenSecret", authToken.secret);
+        editor.apply();
+    }
     public void readBitmap(final String url, final AsyncSuccess<Bitmap> success){
         Bitmap cachedBitmap = (Bitmap)bitmapCache.get(url);
         if (cachedBitmap != null){

src/AndroidClient/androidchat/src/main/java/servicestack/net/androidchat/LoginActivity.java

@@ -83,9 +83,10 @@ public void success(Result<TwitterSession> result) {
                             .setAccessTokenSecret(session.getAuthToken().secret)
                             .setRememberMe(true),
                         r -> {
+                            App.get().saveTwitterAccessToken(session.getAuthToken());
                             Intent intent = new Intent(activity, MainActivity.class);
-                            startActivity(intent);
                             stopProgressBar();
+                            startActivity(intent);
                         },
                         error -> {
                             Log.e("TwitterAuthClient FAILED!", error);

src/AndroidClient/androidchat/src/main/java/servicestack/net/androidchat/LoginButtonsActivity.java

@@ -82,9 +82,10 @@ public void success(Result<TwitterSession> result) {
                     .setAccessTokenSecret(session.getAuthToken().secret)
                     .setRememberMe(true),
                         r -> {
+                            App.get().saveTwitterAccessToken(session.getAuthToken());
                             Intent intent = new Intent(activity, MainActivity.class);
-                            startActivity(intent);
                             stopProgressBar();
+                            startActivity(intent);
                         },
                         error -> {
                             Log.e("TwitterAuthClient FAILED!", error);