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Hi I use Google login in my app it works fine but whenever I logging out I tried many solution for logging out but it doesn't works for me and if I further clicks on Google login button then app crashes.
Here is my code for Login
public class LoginActivity extends Activity implements AsyncInterface,
OnClickListener, GoogleApiClient.ConnectionCallbacks, GoogleApiClient.OnConnectionFailedListener {
EditText etLoginEmail, etLoginPassword;
Button btnLoginSubmit, btnLoginSignup;
TextView txtLoginForgotPass;
LoginResponseMain loginResponseMain;
/* For Google */
private static final int RC_SIGN_IN = 0;
private GoogleApiClient mGoogleApiClient;
private boolean mIntentInProgress;
private boolean mSignInClicked;
private ConnectionResult mConnectionResult;
private SignInButton btnSignIn;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_login);
init();
mGoogleApiClient = new GoogleApiClient.Builder(this)
.addConnectionCallbacks(this)
.addOnConnectionFailedListener(this).addApi(Plus.API)
.addScope(Plus.SCOPE_PLUS_LOGIN).build();
// Google Sign In Button
btnSignIn.setOnClickListener(this);
}
@Override
protected void onStart() {
super.onStart();
if (AppMethod.getBooleanPreference(LoginActivity.this, AppConstant.PREF_FIRST_LOGIN)) {
//startActivity(new Intent(LoginActivity.this, HomePage.class));
} else {
mGoogleApiClient.connect();
}
}
@Override
protected void onStop() {
super.onStop();
if (mGoogleApiClient.isConnected()) {
mGoogleApiClient.disconnect();
}
}
public void init() {
loginResponseMain = new LoginResponseMain();
btnSignIn = (SignInButton) findViewById(R.id.sign_in_button);
}
@Override
public void onWSResponse(String json, String WSType) {
if (WSType == AppConstant.WS_LOGIN_G) {
try {
Log.e("Json", json);
JSONObject jobj = new JSONObject(json);
boolean error = jobj.getBoolean("error");
if (!error) {
JSONArray jsonArray = jobj.getJSONArray("user");
JSONObject jobjUser = jsonArray.getJSONObject(0);
AppMethod.setStringPreference(LoginActivity.this, AppConstant.PREF_FACEBOOK_ID, jobjUser.getString("facebook_id"));
AppMethod.setStringPreference(LoginActivity.this, AppConstant.PREF_GOOGLE_ID, jobjUser.getString("google_plus_id"));
AppMethod.setStringPreference(LoginActivity.this, AppConstant.PREF_USER_EMAIL, jobjUser.getString("email"));
AppMethod.setStringPreference(LoginActivity.this, AppConstant.PREF_USER_FNAME, jobjUser.getString("first_name"));
AppMethod.setStringPreference(LoginActivity.this, AppConstant.PREF_USER_LNAME, jobjUser.getString("last_name"));
AppMethod.setStringPreference(LoginActivity.this, AppConstant.PREF_USER_UPDATED_AT, jobjUser.getString("updated_at"));
AppMethod.setStringPreference(LoginActivity.this, AppConstant.PREF_USER_CREATED_AT, jobjUser.getString("created_at"));
AppMethod.setStringPreference(LoginActivity.this, AppConstant.PREF_USER_ID, String.valueOf(jobjUser.getInt("id")));
Intent i = new Intent(LoginActivity.this, TermsForUseActivity.class);
startActivity(i);
finish();
} else {
Toast.makeText(LoginActivity.this, AppConstant.SOMETHING_WRONG_TRY_AGAIN, Toast.LENGTH_SHORT).show();
}
} catch (Exception e) {
e.printStackTrace();
}
}
}
@Override
public void onConnected(Bundle bundle) {
mSignInClicked = false;
getProfileInformation();
}
@Override
public void onConnectionSuspended(int i) {
mGoogleApiClient.connect();
}
@Override
public void onClick(View v) {
switch (v.getId()) {
// Login Button Click
case R.id.sign_in_button:
signInWithGplus();
break;
}
}
@Override
public void onConnectionFailed(ConnectionResult connectionResult) {
if (!connectionResult.hasResolution()) {
GoogleApiAvailability googleAPI = GoogleApiAvailability.getInstance();
int result2 = googleAPI.isGooglePlayServicesAvailable(this);
if (result2 != ConnectionResult.SUCCESS) {
if (googleAPI.isUserResolvableError(result2)) {
googleAPI.getErrorDialog(this, result2, 0).show();
}
}
return;
}
if (!mIntentInProgress) {
mConnectionResult = connectionResult; // Store the ConnectionResult for later usage
if (mSignInClicked) {
// The user has already clicked 'sign-in' so we attempt to resolve all errors until the user is signed in, or they cancel.
resolveSignInError();
}
}
}
@Override
protected void onActivityResult(int requestCode, int responseCode, Intent intent) {
if (requestCode == RC_SIGN_IN) {
if (responseCode != RESULT_OK) {
mSignInClicked = false;
}
mIntentInProgress = false;
if (!mGoogleApiClient.isConnecting()) {
mGoogleApiClient.connect();
}
}
}
/* Fetching user's information name, email, profile pic */
private void getProfileInformation() {
try {
if (Plus.PeopleApi.getCurrentPerson(mGoogleApiClient) != null) {
Person currentPerson = Plus.PeopleApi.getCurrentPerson(mGoogleApiClient);
String personName = currentPerson.getDisplayName();
String email = Plus.AccountApi.getAccountName(mGoogleApiClient);
String url = AppConstant.LOGIN_WITH_G;
// WS for google login data submit.
if (AppMethod.isNetworkConnected(LoginActivity.this)) {
String android_id = Settings.Secure.getString(getContentResolver(), Settings.Secure.ANDROID_ID);
String device_token = AppMethod.registerForGCM(LoginActivity.this);
Uri.Builder values = new Uri.Builder()
.appendQueryParameter("first_name", personName)
.appendQueryParameter("email", email)
.appendQueryParameter("udid", android_id)
.appendQueryParameter("login_type", "0")
.appendQueryParameter("device_token", device_token)
.appendQueryParameter("google_plus_id", currentPerson.getId());
WsHttpPostWithNamePair wsHttpPost = new WsHttpPostWithNamePair(LoginActivity.this, AppConstant.WS_LOGIN_G, values);
wsHttpPost.execute(url);
} else {
Toast.makeText(LoginActivity.this, AppConstant.NO_INTERNET_CONNECTION, Toast.LENGTH_SHORT).show();
}
} else {
Toast.makeText(getApplicationContext(), "Person information is null", Toast.LENGTH_LONG).show();
}
} catch (Exception e) {
e.printStackTrace();
}
}
private void signInWithGplus() {
if (!mGoogleApiClient.isConnecting()) {
mSignInClicked = true;
resolveSignInError();
}
}
private void resolveSignInError() {
if (mConnectionResult.hasResolution()) {
try {
mIntentInProgress = true;
mConnectionResult.startResolutionForResult(this, RC_SIGN_IN);
} catch (IntentSender.SendIntentException e) {
mIntentInProgress = false;
mGoogleApiClient.connect();
}
}
}
}
Now i need to signout from another activity use this code
For Logging out
public class HomePage extends TabActivity implements GoogleApiClient.ConnectionCallbacks, GoogleApiClient.OnConnectionFailedListener,
ResultCallback<People.LoadPeopleResult> {
DrawerLayout dLayout;
LinearLayout right_layout;
Button btnViewProfile, btnLogout;
//Google
GoogleApiClient mGoogleApiClient;
private boolean mIntentInProgress;
private ConnectionResult mConnectionResult;
private static final int RC_SIGN_IN = 0;
private boolean mSignInClicked;
@Override
protected void onCreate(Bundle arg0) {
super.onCreate(arg0);
setContentView(R.layout.home_page);
llHomePageMain = (LinearLayout) findViewById(R.id.llHomePageMain);
mGoogleApiClient = new GoogleApiClient.Builder(this)
.addConnectionCallbacks(this)
.addOnConnectionFailedListener(this).addApi(Plus.API)
.addScope(Plus.SCOPE_PLUS_LOGIN).build();
mGoogleApiClient.connect();
dLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
right_layout = (LinearLayout) findViewById(R.id.right_layout);
btnViewProfile = (Button) findViewById(R.id.btnViewProfile);
btnLogout = (Button) findViewById(R.id.btnLogout);
btnViewProfile.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
Log.e("Right Layout", "Profile");
dLayout.closeDrawer(Gravity.END);
Intent i = new Intent(HomePage.this, ProfileActivity.class);
startActivity(i);
}
});
btnLogout.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
AppMethod.clearApplicationData(HomePage.this);
googlePlusLogout();
loginSessionClear();
}
}
});
}
@Override
public void onConnected(Bundle bundle) {
mSignInClicked = false;
}
private void resolveSignInError() {
if (mConnectionResult != null)
if (mConnectionResult.hasResolution()) {
try {
mIntentInProgress = true;
mConnectionResult.startResolutionForResult(this, RC_SIGN_IN);
} catch (IntentSender.SendIntentException e) {
mIntentInProgress = false;
mGoogleApiClient.connect();
}
}
}
private void googlePlusLogout() {
if (mGoogleApiClient != null)
if (mGoogleApiClient.isConnected()) {
Plus.AccountApi.clearDefaultAccount(mGoogleApiClient);
mGoogleApiClient.disconnect();
mGoogleApiClient.connect();
}
}
@Override
public void onConnectionFailed(ConnectionResult connectionResult) {
if (!connectionResult.hasResolution()) {
GoogleApiAvailability googleAPI = GoogleApiAvailability.getInstance();
int result2 = googleAPI.isGooglePlayServicesAvailable(this);
if (result2 != ConnectionResult.SUCCESS) {
if (googleAPI.isUserResolvableError(result2)) {
googleAPI.getErrorDialog(this, result2, 0).show();
}
}
return;
}
if (!mIntentInProgress) {
mConnectionResult = connectionResult;
if (mSignInClicked) {
resolveSignInError();
}
}
}
@Override
public void onBackPressed() {
dLayout.closeDrawers();
super.onBackPressed();
}
public void loginSessionClear() {
AppMethod.setStringPreference(HomePage.this, AppConstant.PREF_USER_EMAIL, "");
AppMethod.setStringPreference(HomePage.this, AppConstant.PREF_USER_FNAME, "");
AppMethod.setStringPreference(HomePage.this, AppConstant.PREF_USER_LNAME, "");
AppMethod.setStringPreference(HomePage.this, AppConstant.PREF_USER_UDID, "");
AppMethod.setStringPreference(HomePage.this, AppConstant.PREF_USER_DEVICE_TOKEN, "");
AppMethod.setStringPreference(HomePage.this, AppConstant.PREF_USER_UPDATED_AT, "");
AppMethod.setStringPreference(HomePage.this, AppConstant.PREF_USER_CREATED_AT, "");
AppMethod.setStringPreference(HomePage.this, AppConstant.PREF_GOOGLE_ID, "");
AppMethod.setStringPreference(HomePage.this, AppConstant.PREF_USER_ID, String.valueOf(""));
}
@Override
public void onConnectionSuspended(int i) {
mGoogleApiClient.connect();
}
@Override
protected void onActivityResult(int requestCode, int responseCode, Intent intent) {
if (requestCode == RC_SIGN_IN) {
if (responseCode != RESULT_OK) {
mSignInClicked = false;
}
mIntentInProgress = false;
if (!mGoogleApiClient.isConnecting()) {
mGoogleApiClient.connect();
}
}
}
@Override
public void onResult(People.LoadPeopleResult loadPeopleResult) {
}
}
This method doesnt work for me. Even if i clear preference and try for new login with google then app crashes.
Logcat Error
java.lang.NullPointerException: Attempt to invoke virtual method 'boolean com.google.android.gms.common.ConnectionResult.hasResolution()' on a null object reference
224
Check null first
private void resolveSignInError() {
if (mConnectionResult != null)
if (mConnectionResult.hasResolution()) {
try {
mIntentInProgress = true;
mConnectionResult.startResolutionForResult(this, RC_SIGN_IN);
} catch (IntentSender.SendIntentException e) {
mIntentInProgress = false;
mGoogleApiClient.connect();
}
}
}
and call bellow method for Logout
private void googlePlusLogout() {
if (mGoogleApiClient != null)
if (mGoogleApiClient.isConnected()) {
Plus.AccountApi.clearDefaultAccount(mGoogleApiClient);
mGoogleApiClient.disconnect();
mGoogleApiClient.connect();
}
}
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