Android Google Helper类登录
示例
下面添加到您的build.gradle出android标签：
//将插件应用到应用。 apply plugin: 'com.google.gms.google-services'
将以下帮助器类添加到您的util包中：
/**
* Created by Andy
*/
public class GoogleSignInHelper implements GoogleApiClient.OnConnectionFailedListener,
GoogleApiClient.ConnectionCallbacks{
private static final String TAG = GoogleSignInHelper.class.getSimpleName();
private static GoogleSignInHelper googleSignInHelper;
private AppCompatActivity mActivity;
private GoogleApiClient mGoogleApiClient;
public static final int RC_SIGN_IN = 9001;
private boolean isLoggingOut = false;
public static GoogleSignInHelper newInstance(AppCompatActivity mActivity) {
if (googleSignInHelper == null) {
googleSignInHelper = new GoogleSignInHelper(mActivity, fireBaseAuthHelper);
}
return googleSignInHelper;
}
public GoogleSignInHelper(AppCompatActivity mActivity) {
this.mActivity= mActivity;
initGoogleSignIn();
}
private void initGoogleSignIn() {
//[STARTconfig_sign_in]
//配置Google登录
GoogleSignInOptions gso = new GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN)
.requestIdToken(mActivity.getString(R.string.default_web_client_id))
.requestEmail()
.build();
//[ENDconfig_sign_in]
mGoogleApiClient = new GoogleApiClient.Builder(mActivity)
.enableAutoManage(mActivity /* FragmentActivity */, this /* OnConnectionFailedListener */)
.addApi(Auth.GOOGLE_SIGN_IN_API, gso)
.addConnectionCallbacks(this)
.build();
}
@Override
public void onConnectionFailed(@NonNull ConnectionResult connectionResult) {
//发生无法解决的错误，GoogleAPI（包括登录）将无法
//能得到的。
Log.d(TAG, "onConnectionFailed:" + connectionResult);
Toast.makeText(mActivity, "GooglePlay服务错误。", Toast.LENGTH_SHORT).show();
}
public void getGoogleAccountDetails(GoogleSignInResult result) {
//Google登录成功，已通过FireBase进行身份验证
GoogleSignInAccount account = result.getSignInAccount();
//您现在已登录Google
}
public void signOut() {
if (mGoogleApiClient.isConnected()) {
//Google登出
Auth.GoogleSignInApi.signOut(mGoogleApiClient).setResultCallback(
new ResultCallback<Status>() {
@Override
public void onResult(@NonNull Status status) {
isLoggingOut = false;
}
});
} else {
isLoggingOut = true;
}
}
public GoogleApiClient getGoogleClient() {
return mGoogleApiClient;
}
@Override
public void onConnected(@Nullable Bundle bundle) {
Log.w(TAG, "onConnected");
if (isLoggingOut) {
signOut();
}
}
@Override
public void onConnectionSuspended(int i) {
Log.w(TAG, "onConnectionSuspended");
}
}将以下代码添加到您OnActivityResult的活动文件中：
//[STARTonactivityresult]
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
//从GoogleSignInApi.getSignInIntent(...)启动Intent返回的结果；
if (requestCode == GoogleSignInHelper.RC_SIGN_IN) {
GoogleSignInResult result = Auth.GoogleSignInApi.getSignInResultFromIntent(data);
if (result.isSuccess()) {
googleSignInHelper.getGoogleAccountDetails(result);
} else {
//Google登录失败，请适当更新用户界面
//[START_EXCLUDE]
Log.d(TAG, "signInWith Google failed");
//[END_EXCLUDE]
}
}
}
//[ENDonactivityresult]
//[开始登录]
public void signIn() {
Intent signInIntent = Auth.GoogleSignInApi.getSignInIntent(googleSignInHelper.getGoogleClient());
startActivityForResult(signInIntent, GoogleSignInHelper.RC_SIGN_IN);
}
//[END登录]