Wie kann ich von Aktivität google + login zu Aktivität meine benutzerdefinierte Homepage springen

Question

Ich benutze google + login in meiner Android App google + login funktioniert, möchte aber auf meiner benutzerdefinierten Homepage navigieren Mein google + login Code ist auf MainActivity.java.

Wie navigiere ich nach der Anmeldung zu meiner Homepage (z. B. Main_tab.java).

Hier ist mein Code für MainActivity

public class MainActivity extends AppCompatActivity implements 
    GoogleApiClient.OnConnectionFailedListener, View.OnClickListener { 

private static final String TAG = "SignInActivity"; 
private static final int RC_SIGN_IN = 9001; 

private GoogleApiClient mGoogleApiClient; 
private TextView mStatusTextView; 
private ProgressDialog mProgressDialog; 

@Override 
protected void onCreate(Bundle savedInstanceState) { 
    super.onCreate(savedInstanceState); 
    setContentView(R.layout.activity_main); 

    // Views 
    mStatusTextView = (TextView) findViewById(R.id.status); 

    // Button listeners 
    findViewById(R.id.sign_in_button).setOnClickListener(this); 
    findViewById(R.id.sign_out_button).setOnClickListener(this); 
    findViewById(R.id.disconnect_button).setOnClickListener(this); 

    // [START configure_signin] 
    // Configure sign-in to request the user's ID, email address, and basic 
    // profile. ID and basic profile are included in DEFAULT_SIGN_IN. 
    GoogleSignInOptions gso = new GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN) 
      .requestEmail() 
      .build(); 
    // [END configure_signin] 

    // [START build_client] 
    // Build a GoogleApiClient with access to the Google Sign-In API and the 
    // options specified by gso. 
    mGoogleApiClient = new GoogleApiClient.Builder(this) 
      .enableAutoManage(this /* FragmentActivity */, this /* OnConnectionFailedListener */) 
      .addApi(Auth.GOOGLE_SIGN_IN_API, gso) 
      .build(); 
    // [END build_client] 

    // [START customize_button] 
    // Set the dimensions of the sign-in button. 
    SignInButton signInButton = (SignInButton) findViewById(R.id.sign_in_button); 
    signInButton.setSize(SignInButton.SIZE_STANDARD); 
    // [END customize_button] 
} 

@Override 
public void onStart() { 
    super.onStart(); 

    OptionalPendingResult<GoogleSignInResult> opr = Auth.GoogleSignInApi.silentSignIn(mGoogleApiClient); 
    if (opr.isDone()) { 
     // If the user's cached credentials are valid, the OptionalPendingResult will be "done" 
     // and the GoogleSignInResult will be available instantly. 
     Log.d(TAG, "Got cached sign-in"); 
     GoogleSignInResult result = opr.get(); 
     handleSignInResult(result); 
    } else { 
     // If the user has not previously signed in on this device or the sign-in has expired, 
     // this asynchronous branch will attempt to sign in the user silently. Cross-device 
     // single sign-on will occur in this branch. 
     showProgressDialog(); 
     opr.setResultCallback(new ResultCallback<GoogleSignInResult>() { 
      @Override 
      public void onResult(GoogleSignInResult googleSignInResult) { 
       hideProgressDialog(); 
       handleSignInResult(googleSignInResult); 
      } 
     }); 
    } 
} 

// [START onActivityResult] 
@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) { 


    } 
     GoogleSignInResult result = Auth.GoogleSignInApi.getSignInResultFromIntent(data); 
     handleSignInResult(result); 
    } 

// [END onActivityResult] 

// [START handleSignInResult] 
private void handleSignInResult(GoogleSignInResult result) { 
    Log.d(TAG, "handleSignInResult:" + result.isSuccess()); 
    if (result.isSuccess()) { 
     // Signed in successfully, show authenticated UI. 

     GoogleSignInAccount acct = result.getSignInAccount(); 
     mStatusTextView.setText(getString(R.string.signed_in_fmt, acct.getDisplayName())); 
     updateUI(true); 
    } else { 
     // Signed out, show unauthenticated UI. 
     updateUI(false); 
    } 
} 
// [END handleSignInResult] 

// [START signIn] 
private void signIn() { 

    Intent signInIntent = Auth.GoogleSignInApi.getSignInIntent(mGoogleApiClient); 
    startActivityForResult(signInIntent, RC_SIGN_IN); 
} 
// [END signIn] 

// [START signOut] 
private void signOut() { 
    Auth.GoogleSignInApi.signOut(mGoogleApiClient).setResultCallback(
      new ResultCallback<Status>() { 
       @Override 
       public void onResult(Status status) { 
        // [START_EXCLUDE] 
        updateUI(false); 
        // [END_EXCLUDE] 
       } 
      }); 
} 
// [END signOut] 

// [START revokeAccess] 
private void revokeAccess() { 
    Auth.GoogleSignInApi.revokeAccess(mGoogleApiClient).setResultCallback(
      new ResultCallback<Status>() { 
       @Override 
       public void onResult(Status status) { 
        // [START_EXCLUDE] 
        updateUI(false); 
        // [END_EXCLUDE] 
       } 
      }); 
} 
// [END revokeAccess] 

@Override 
public void onConnectionFailed(ConnectionResult connectionResult) { 
    // An unresolvable error has occurred and Google APIs (including Sign-In) will not 
    // be available. 
    Log.d(TAG, "onConnectionFailed:" + connectionResult); 
} 

private void showProgressDialog() { 
    if (mProgressDialog == null) { 
     mProgressDialog = new ProgressDialog(this); 
     mProgressDialog.setMessage(getString(R.string.loading)); 
     mProgressDialog.setIndeterminate(true); 
    } 

    mProgressDialog.show(); 
} 

private void hideProgressDialog() { 
    if (mProgressDialog != null && mProgressDialog.isShowing()) { 
     mProgressDialog.hide(); 
    } 
} 

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 { 
     mStatusTextView.setText(R.string.signed_out); 

     findViewById(R.id.sign_in_button).setVisibility(View.VISIBLE); 
     findViewById(R.id.sign_out_and_disconnect).setVisibility(View.GONE); 
    } 
} 

@Override 
public void onClick(View v) { 
    switch (v.getId()) { 
     case R.id.sign_in_button: 
      signIn(); 
      break; 
     case R.id.sign_out_button: 
      signOut(); 
      break; 
     case R.id.disconnect_button: 
      revokeAccess(); 
      break; 
    } 
} 
} 

Answer 1

Wenn das Zeichen in erfolgreich, Ihre gewünschte Aktivität öffnen, indem Explicit intent from Android doc Code und Vogella tutorials

über Absichten in Android Lernen mit und einige grundlegende Konzepte, wenn Sie wissen nicht, es wird Ihnen helfen, da sie die Grundlagen sind.