11/**
22 * Copyright 2013 Google Inc. All Rights Reserved.
33 *
4- * <p> Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
4+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
55 * except in compliance with the License. You may obtain a copy of the License at
66 *
7- * <p> http://www.apache.org/licenses/LICENSE-2.0
7+ * http://www.apache.org/licenses/LICENSE-2.0
88 *
9- * <p> Unless required by applicable law or agreed to in writing, software distributed under the
9+ * Unless required by applicable law or agreed to in writing, software distributed under the
1010 * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
1111 * express or implied. See the License for the specific language governing permissions and
1212 * limitations under the License.
@@ -49,7 +49,6 @@ public class MainActivity extends Activity {
4949 private static final int REQUEST_CODE_CAPTURE_IMAGE = 1 ;
5050 private static final int REQUEST_CODE_CREATOR = 2 ;
5151
52- private GoogleSignInClient mGoogleSignInClient ;
5352 private DriveClient mDriveClient ;
5453 private DriveResourceClient mDriveResourceClient ;
5554 private Bitmap mBitmapToSave ;
@@ -63,8 +62,8 @@ protected void onCreate(@Nullable Bundle savedInstanceState) {
6362 /** Start sign in activity. */
6463 private void signIn () {
6564 Log .i (TAG , "Start sign in" );
66- mGoogleSignInClient = buildGoogleSignInClient ();
67- startActivityForResult (mGoogleSignInClient .getSignInIntent (), REQUEST_CODE_SIGN_IN );
65+ GoogleSignInClient GoogleSignInClient = buildGoogleSignInClient ();
66+ startActivityForResult (GoogleSignInClient .getSignInIntent (), REQUEST_CODE_SIGN_IN );
6867 }
6968
7069 /** Build a Google SignIn client. */
@@ -85,19 +84,9 @@ private void saveFileToDrive() {
8584 mDriveResourceClient
8685 .createContents ()
8786 .continueWithTask (
88- new Continuation <DriveContents , Task <Void >>() {
89- @ Override
90- public Task <Void > then (@ NonNull Task <DriveContents > task ) throws Exception {
91- return createFileIntentSender (task .getResult (), image );
92- }
93- })
87+ task -> createFileIntentSender (task .getResult (), image ))
9488 .addOnFailureListener (
95- new OnFailureListener () {
96- @ Override
97- public void onFailure (@ NonNull Exception e ) {
98- Log .w (TAG , "Failed to create new contents." , e );
99- }
100- });
89+ e -> Log .w (TAG , "Failed to create new contents." , e ));
10190 }
10291
10392 /**
@@ -134,13 +123,10 @@ private Task<Void> createFileIntentSender(DriveContents driveContents, Bitmap im
134123 return mDriveClient
135124 .newCreateFileActivityIntentSender (createFileActivityOptions )
136125 .continueWith (
137- new Continuation <IntentSender , Void >() {
138- @ Override
139- public Void then (@ NonNull Task <IntentSender > task ) throws Exception {
140- startIntentSenderForResult (task .getResult (), REQUEST_CODE_CREATOR , null , 0 , 0 , 0 );
141- return null ;
142- }
143- });
126+ task -> {
127+ startIntentSenderForResult (task .getResult (), REQUEST_CODE_CREATOR , null , 0 , 0 , 0 );
128+ return null ;
129+ });
144130 }
145131
146132 @ Override
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