Login Activity Please Help I just wanted to Remember Login in App in background, so that when he reopen the app automatically next activity open rather than sign in activity.
package xxx.xxxxx.xxxxxx; /** * Created by Yoyo on 12/21/2015. */ import android.app.ProgressDialog; import android.content.Intent; import android.os.Bundle; import android.support.v7.app.AppCompatActivity; import android.view.View; import android.view.Menu; import android.view.MenuItem; import android.widget.ImageView; import android.widget.TextView; import android.widget.Toast; import com.google.android.gms.auth.api.Auth; import com.google.android.gms.auth.api.signin.GoogleSignInAccount; import com.google.android.gms.auth.api.signin.GoogleSignInOptions; import com.google.android.gms.auth.api.signin.GoogleSignInResult; import com.google.android.gms.common.ConnectionResult; import com.google.android.gms.common.SignInButton; import com.google.android.gms.common.api.GoogleApiClient; import com.google.android.gms.common.api.GoogleApiClient.ConnectionCallbacks; import com.google.android.gms.common.api.GoogleApiClient.OnConnectionFailedListener; import com.google.android.gms.common.api.ResultCallback; import com.google.android.gms.common.api.Status; public class Login extends AppCompatActivity implements OnConnectionFailedListener, View.OnClickListener, ConnectionCallbacks { GoogleApiClient mGoogleApiClient; GoogleSignInOptions gso; SignInButton signIn_btn; private static final int RC_SIGN_IN = 0; ProgressDialog progress_dialog; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); buidNewGoogleApiClient(); setContentView(R.layout.login); customizeSignBtn(); setBtnClickListeners(); progress_dialog = new ProgressDialog(this); progress_dialog.setMessage("Signing in...."); } /* Configure sign-in to request the user's ID, email address, and basic profile. User's ID and basic profile are included in DEFAULT_SIGN_IN. create and initialize GoogleApiClient object to use Google Sign-In API and the options specified by gso.. */ private void buidNewGoogleApiClient(){ gso = new GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN) .requestEmail() .build(); mGoogleApiClient = new GoogleApiClient.Builder(this) .enableAutoManage(this, this ) .addApi(Auth.GOOGLE_SIGN_IN_API, gso) .build(); } /* Customize sign-in button. The sign-in button can be displayed in multiple sizes and color schemes. It can also be contextually rendered based on the requested scopes. For example. a red button may be displayed when Google+ scopes are requested, but a white button may be displayed when only basic profile is requested. Try adding the Plus.SCOPE_PLUS_LOGIN scope to see the difference. */ private void customizeSignBtn(){ signIn_btn = (SignInButton) findViewById(R.id.sign_in_button); signIn_btn.setSize(SignInButton.SIZE_STANDARD); signIn_btn.setScopes(gso.getScopeArray()); } /* Set on click Listeners on the sign-in sign-out and disconnect buttons */ private void setBtnClickListeners(){ // Button listeners signIn_btn.setOnClickListener(this); findViewById(R.id.sign_out_button).setOnClickListener(this); findViewById(R.id.disconnect_button).setOnClickListener(this); } protected void onStart() { super.onStart(); mGoogleApiClient.connect(); } protected void onStop() { super.onStop(); if (mGoogleApiClient.isConnected()) { mGoogleApiClient.disconnect(); } } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.menu_main, menu); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { // Handle action bar item clicks here. The action bar will // automatically handle clicks on the Home/Up button, so long // as you specify a parent activity in AndroidManifest.xml. int id = item.getItemId(); //noinspection SimplifiableIfStatement if (id == R.id.action_settings) { return true; } return super.onOptionsItemSelected(item); } @Override public void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); // Result returned from launching the Intent from GoogleSignInApi.getSignInIntent(...); if (requestCode == RC_SIGN_IN) { if (resultCode != RESULT_OK) { progress_dialog.dismiss(); } GoogleSignInResult result = Auth.GoogleSignInApi.getSignInResultFromIntent(data); getSignInResult(result); } } @Override public void onClick(View v) { switch (v.getId()) { case R.id.sign_in_button: Toast.makeText(this, "start sign process", Toast.LENGTH_SHORT).show(); gSignIn(); break; case R.id.sign_out_button: Toast.makeText(this, "Google Sign Out", Toast.LENGTH_SHORT).show(); gSignOut(); break; case R.id.disconnect_button: Toast.makeText(this, "Google Access Revoked", Toast.LENGTH_SHORT).show(); gRevokeAccess(); break; } } private void gSignIn() { Intent signInIntent = Auth.GoogleSignInApi.getSignInIntent(mGoogleApiClient); startActivityForResult(signInIntent, RC_SIGN_IN); progress_dialog.show(); } private void gSignOut() { Auth.GoogleSignInApi.signOut(mGoogleApiClient).setResultCallback( new ResultCallback<Status>() { @Override public void onResult(Status status) { updateUI(false); } }); } private void gRevokeAccess() { Auth.GoogleSignInApi.revokeAccess(mGoogleApiClient).setResultCallback( new ResultCallback<Status>() { @Override public void onResult(Status status) { updateUI(false); } }); } private void getSignInResult(GoogleSignInResult result) { if (result.isSuccess()) { // Signed in successfully, show authenticated UI. GoogleSignInAccount acct = result.getSignInAccount(); TextView user_name= (TextView)findViewById(R.id.userName); TextView email_id= (TextView)findViewById(R.id.emailId); user_name.setText("UserName: "+ acct.getDisplayName()); email_id.setText("Email Id: " + acct.getEmail()); updateUI(true); progress_dialog.dismiss(); } else { // Signed out, show unauthenticated UI. updateUI(false); } } private void updateUI(boolean signedIn) { if (signedIn) { findViewById(R.id.sign_in_button).setVisibility(View.GONE); findViewById(R.id.sign_out_and_disconnect).setVisibility(View.VISIBLE); } else { findViewById(R.id.sign_in_button).setVisibility(View.VISIBLE); findViewById(R.id.sign_out_and_disconnect).setVisibility(View.GONE); } } @Override public void onConnected(Bundle bundle) { } @Override public void onConnectionSuspended(int i) { } @Override public void onConnectionFailed(ConnectionResult connectionResult) { } } Login xml file for the Activity login xml
<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:paddingBottom="@dimen/activity_vertical_margin" android:paddingLeft="@dimen/activity_horizontal_margin" android:paddingRight="@dimen/activity_horizontal_margin" android:paddingTop="@dimen/activity_vertical_margin" app:layout_behavior="@string/appbar_scrolling_view_behavior" tools:context="num.app.xxx.xxxx.xxxx.Login" tools:showIn="@layout/Login"> <com.google.android.gms.common.SignInButton android:id="@+id/sign_in_button" android:layout_width="fill_parent" android:layout_height="wrap_content" /> <LinearLayout android:id="@+id/sign_out_and_disconnect" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" android:visibility="gone" tools:visibility="visible" android:layout_centerHorizontal="true" android:layout_alignParentTop="true" android:layout_alignParentBottom="true"> <TextView android:id="@+id/userName" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text=" user name:" android:layout_marginTop="15dp" android:layout_marginLeft="10dp" android:textColor="@android:color/black" android:textSize="14sp" /> <TextView android:id="@+id/emailId" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="email id:" android:textColor="@android:color/black" android:layout_below="@+id/userName" android:layout_marginTop="15dp" android:layout_marginLeft="10dp" android:textSize="14sp" /> <Button android:id="@+id/sign_out_button" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_gravity="center_vertical" android:text="Google Sign out"/> <Button android:id="@+id/disconnect_button" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_gravity="center_vertical" android:text="revoke Google Access"/> </LinearLayout> </RelativeLayout>
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