Android Open Source - spots Login Activity

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License

The source code is released under:
MIT License
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Java Source Code

package com.dcc.matc89.spots.activity;
/*w ww  . j a va  2s.c om*/
import android.app.Activity;
import android.app.Dialog;
import android.app.ProgressDialog;
import android.content.Intent;
import android.content.IntentSender.SendIntentException;
import android.os.Bundle;
import android.support.v4.app.DialogFragment;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Toast;

import com.dcc.matc89.spots.R;
import com.google.android.gms.common.*;
import com.google.android.gms.plus.PlusClient;

// Para que a ActionBar funcione em todas as vers?es ? necess?rio estender ActionBarActivity ao inv?s de Activity
public class LoginActivity extends Activity implements
    GooglePlayServicesClient.ConnectionCallbacks,
    GooglePlayServicesClient.OnConnectionFailedListener {
  
  private final static int CONNECTION_FAILURE_RESOLUTION_REQUEST = 9000;
  private ProgressDialog mConnectionProgressDialog;
    private PlusClient mPlusClient;
    private ConnectionResult mConnectionResult;
  
  
  public static class ErrorDialogFragment extends DialogFragment{
    private Dialog mDialog;
    
    public ErrorDialogFragment(){
      super();
      mDialog = null;
    }
    
    public void setDialog(Dialog dialog) {
      mDialog = dialog;
    }
    
    @Override
    public Dialog onCreateDialog(Bundle savedInstanceState){
      return mDialog;
    }
  }
  
  @Override
  protected void onActivityResult(int requestCode, int resultCode, Intent data){
    switch(requestCode){
      case CONNECTION_FAILURE_RESOLUTION_REQUEST :
        switch(resultCode) {
          case Activity.RESULT_OK :
            mConnectionResult = null;
                  mPlusClient.connect();
          break;
        }
      }
  }
  
//  private boolean servicesConnected() {
//    int resultCode = GooglePlayServicesUtil.isGooglePlayServicesAvailable(this);
//    ConnectionResult connectionResult = new ConnectionResult(resultCode, null);
//    if (resultCode == ConnectionResult.SUCCESS) {
//      Log.d("Service Connection", "Google Play services is available.");
//      return true;
//    } else {
//      int errorCode = connectionResult.getErrorCode();
//      Dialog errorDialog = GooglePlayServicesUtil.getErrorDialog(errorCode, this, CONNECTION_FAILURE_RESOLUTION_REQUEST);
//      if (errorDialog != null) {
//        ErrorDialogFragment errorFragment = new ErrorDialogFragment();
//        errorFragment.setDialog(errorDialog);
//      }
//    }
//    return false;
//  }

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

    mPlusClient = new PlusClient.Builder(this, this, this)
          .setActions("http://schemas.google.com/AddActivity", "http://schemas.google.com/BuyActivity")
          .build();
    mConnectionProgressDialog = new ProgressDialog(this);
    mConnectionProgressDialog.setMessage("Signing in...");
    
    findViewById(R.id.sign_in_button).setOnClickListener(onClickLoginListener);

  }

  private OnClickListener onClickLoginListener = new OnClickListener() {
    
    @Override
      public void onClick(View view) {
          if (view.getId() == R.id.sign_in_button && !mPlusClient.isConnected()) {
              if (mConnectionResult == null) {
                  mConnectionProgressDialog.show();
              } else {
                  try {
                      mConnectionResult.startResolutionForResult(LoginActivity.this, CONNECTION_FAILURE_RESOLUTION_REQUEST);
                  } catch (SendIntentException e) {
                      // Try connecting again.
                      mConnectionResult = null;
                      mPlusClient.connect();
                  }
              }
          }
      }
  };
  
  @Override
  protected void onStart(){
    super.onStart();
    mPlusClient.connect();
  }


  @Override
  public void onConnectionFailed(ConnectionResult connectionResult) {
    if (mConnectionProgressDialog.isShowing()) {
          // The user clicked the sign-in button already. Start to resolve
          // connection errors. Wait until onConnected() to dismiss the
          // connection dialog.
          if (connectionResult.hasResolution()) {
            try {
                     connectionResult.startResolutionForResult(this, CONNECTION_FAILURE_RESOLUTION_REQUEST);
             } catch (SendIntentException e) {
                     mPlusClient.connect();
             }
          }
        }
        // Save the result and resolve the connection failure upon a user click.
        mConnectionResult = connectionResult;
  }

  @Override
  public void onConnected(Bundle connectionHint) {
    mConnectionProgressDialog.dismiss();
    String accountName = mPlusClient.getAccountName();
        Toast.makeText(this, accountName + " is connected.", Toast.LENGTH_LONG).show();
  }

  @Override
  public void onDisconnected() {
    Toast.makeText(this, "Disconnected. Please re-connect.", Toast.LENGTH_SHORT).show();
  }
  
  @Override
  protected void onStop(){
    mPlusClient.disconnect();
    super.onStop();
  }
}
Java Source Code List
