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How to use Google Plus integration in Android Studio

I am making an application and I want to integrate it with G + in order to log in to a Google user account. To create the application, I use Android Studio .

I read a lot of questions and answers about stack overflow, but I can not fix my application!

Here are the steps I took:
1. Add google-play-services.jar to the libs folder of my project
2. Click "Add as library" in the jar file in the Android-Studio Project Explorer
3. Add the script to the java file from the example on the Internet. 4. Add the google-play-services.jar library to the Build.Gradle file
5. Running the application crashes

Question: How do I add Google Apps to an application made using Android Studio, am I doing something wrong? Thanks for the help .

Here are my source codes:

Java class:

import com.google.android.gms.common.ConnectionResult; import com.google.android.gms.common.GooglePlayServicesClient.ConnectionCallbacks; import com.google.android.gms.common.GooglePlayServicesClient.OnConnectionFailedListener; import com.google.android.gms.plus.PlusClient; public class StartActivity extends Activity implements View.OnClickListener, ConnectionCallbacks, OnConnectionFailedListener { private static final String TAG = "ExampleActivity"; private static final int REQUEST_CODE_RESOLVE_ERR = 9000; private ProgressDialog mConnectionProgressDialog; private PlusClient mPlusClient; private ConnectionResult mConnectionResult; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.loading_screen); mPlusClient = new PlusClient.Builder(this, this, this) .setVisibleActivities("http://schemas.google.com/AddActivity", "http://schemas.google.com/BuyActivity") .build(); mConnectionProgressDialog = new ProgressDialog(this); mConnectionProgressDialog.setMessage("Signing in..."); initializeSplashElements(); } /// *** /// PLUS INTEGRATION /// *** //// @Override protected void onStart() { super.onStart(); mPlusClient.connect(); } @Override protected void onStop() { super.onStop(); mPlusClient.disconnect(); } @Override public void onConnectionFailed(ConnectionResult result) { if (result.hasResolution()) { try { result.startResolutionForResult(this, REQUEST_CODE_RESOLVE_ERR); } catch (IntentSender.SendIntentException e) { mPlusClient.connect(); } } // Save the result and resolve the connection failure upon a user click. mConnectionResult = result; } @Override protected void onActivityResult(int requestCode, int responseCode, Intent intent) { if (requestCode == REQUEST_CODE_RESOLVE_ERR && responseCode == RESULT_OK) { mConnectionResult = null; mPlusClient.connect(); } } @Override public void onConnected(Bundle bundle) { String accountName = mPlusClient.getAccountName(); Toast.makeText(this, accountName + " is connected.", Toast.LENGTH_LONG).show(); } @Override public void onDisconnected() { Log.d(TAG, "disconnected"); } /// *** /// PLUS INTEGRATION /// *** /// (...) }

XML Layout:

 <?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:orientation="vertical" android:layout_width="match_parent" android:layout_height="match_parent" tools:context=".StartActivity" android:clickable="false" android:background="@drawable/ziel_pomar_tlo"> <ImageView android:layout_width="fill_parent" android:layout_height="150dp" android:id="@+id/splashLogo" android:src="@drawable/catch_up_logo_flatten" android:contentDescription="@string/catchup_logo_describe" android:layout_marginTop="40dp" android:layout_alignParentTop="true" android:layout_alignParentLeft="true" android:focusable="false"/> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:textAppearance="?android:attr/textAppearanceLarge" android:text="@string/loading_3dot" android:id="@+id/loadingText" android:enabled="true" android:gravity="center" android:textSize="40dp" android:layout_alignParentBottom="true" android:layout_alignParentLeft="true" android:layout_alignParentRight="true" android:layout_marginLeft="35dp" android:layout_marginRight="35dp" android:layout_marginBottom="35dp"/> <ScrollView android:layout_width="wrap_content" android:layout_height="wrap_content" android:id="@+id/scrollView" android:layout_above="@+id/loadingText" android:layout_below="@+id/splashLogo" android:layout_margin="10dp" android:layout_alignParentEnd="false" android:layout_centerHorizontal="true"> <LinearLayout android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="wrap_content" android:baselineAligned="false" android:clickable="false" > <LinearLayout android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_gravity="top" android:id="@+id/gps_row"> <TextView android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="@string/loading_screen_no_gps" android:id="@+id/gps_desc" android:textSize="20dp"/> <LinearLayout android:layout_width="fill_parent" android:layout_height="wrap_content" android:weightSum="3" android:layout_marginTop="10dp"> <Button style="?android:attr/buttonStyleSmall" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/loading_screen_no_gps_settings" android:id="@+id/gps_settings" android:layout_weight="2"/> <Button style="?android:attr/buttonStyleSmall" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/loading_screen_no_gps_ok" android:id="@+id/gps_fixed" android:layout_weight="1"/> </LinearLayout> </LinearLayout> <LinearLayout android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="wrap_content" android:id="@+id/web_row" android:layout_gravity="bottom|top" android:layout_marginTop="20dp"> <TextView android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="@string/loading_screen_no_web" android:id="@+id/web_desc" android:textSize="20dp"/> <LinearLayout android:layout_width="fill_parent" android:layout_height="wrap_content" android:weightSum="3" android:layout_marginTop="10dp"> <Button style="?android:attr/buttonStyleSmall" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/loading_screen_no_web_settings" android:id="@+id/web_wifi_settings" android:layout_weight="1"/> <Button style="?android:attr/buttonStyleSmall" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/loading_screen_no_web_settings2" android:id="@+id/web_3g_settings" android:layout_weight="1"/> <Button style="?android:attr/buttonStyleSmall" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/loading_screen_no_web_ok" android:id="@+id/web_fixed" android:layout_weight="1"/> </LinearLayout> </LinearLayout> </LinearLayout> </ScrollView> </RelativeLayout>

build.gradle:

 buildscript { repositories { maven { url 'http://repo1.maven.org/maven2' } } dependencies { classpath 'com.android.tools.build:gradle:0.4' } } apply plugin: 'android' dependencies { compile files('libs/android-support-v4.jar', 'libs/google-play-services.jar') } android { compileSdkVersion 17 buildToolsVersion "17.0.0" defaultConfig { minSdkVersion 11 targetSdkVersion 17 compileSdkVersion 17 } }
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2 answers

You can use the Google Repository, without importing any libs (.jar) into your code

UPDATE . If you are looking for a Google library (or a third party), you can check out: http://gradleplease.appspot.com/ (Chris Broadfoot, Google Developer)

 dependencies { compile 'com.google.android.gms:play-services:4.4.52' compile 'com.android.support:support-v4:19.1.0' // compile files('libs/android-support-v4.jar') // OLD: can remove // Other useful library // compile 'com.android.support:appcompat-v7:19.1.0' // compile 'com.android.support:gridlayout-v7:19.1.0' // compile 'com.android.support:mediarouter-v7:19.1.0' // compile 'com.android.support:support-v13:19.1.0' // Note: these libraries require the "Google Repository" and "Android Repository" // to be installed via the SDK manager. }

Link: https://plus.google.com/+AndroidDevelopers/posts/4Yhpn6p9icf

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Google plus integration into Android studio is very simple, follow these steps.

1.Use the play attributes to create build.gradle.

2.Add the json configuration file to your application directory, you can get it from the google developer console

3.Build GoogleSignInOption and GoogleApiClient and run google login at the click of a button.

for more details you can go through this google plus tutorial integration into android studio

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