Android Open Source - EasyVote Entry Point Activity

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Back to project page EasyVote.

License

The source code is released under:

Apache License

Java Source Code

package com.llanox.mobile.easyvote;
/*  w ww.ja  v  a2s. c  o  m*/
import android.animation.Animator;
import android.animation.AnimatorListenerAdapter;
import android.annotation.TargetApi;
import android.content.Intent;
import android.os.Build;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.Toast;

import com.backendless.Backendless;
import com.google.android.gms.common.ConnectionResult;
import com.google.android.gms.common.GooglePlayServicesUtil;
import com.google.android.gms.common.SignInButton;


public class EntryPointActivity extends PlusBaseActivity  {




  // UI references.
  private View mProgressView;
  private SignInButton mPlusSignInButton;
  private View mSignOutButtons;
  private View mLoginFormView;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_login_google);
    
    
     String userId = AppSessionManager.getUserID(this);
    
    if(userId!=null){
      Intent intent = new Intent(this,QuestionListActivity.class);
      this.startActivity(intent);
      this.finish();
      return;
    }
    
    
  
    // Find the Google+ sign in button.
    mPlusSignInButton = (SignInButton) findViewById(R.id.plus_sign_in_button);
    if (supportsGooglePlayServices()) {
      // Set a listener to connect the user when the G+ button is clicked.
      mPlusSignInButton.setOnClickListener(new OnClickListener() {
        @Override
        public void onClick(View view) {
          signIn();
        }
      });
    } else {
      // Don't offer G+ sign in if the app's version is too low to support
      // Google Play
      // Services.
      mPlusSignInButton.setVisibility(View.GONE);
      return;
    }

    mLoginFormView = findViewById(R.id.login_form);
    mProgressView = findViewById(R.id.login_progress);

    mSignOutButtons = findViewById(R.id.plus_sign_out_buttons);
  }



  /**
   * Shows the progress UI and hides the login form.
   */
  @TargetApi(Build.VERSION_CODES.HONEYCOMB_MR2)
  public void showProgress(final boolean show) {
    // On Honeycomb MR2 we have the ViewPropertyAnimator APIs, which allow
    // for very easy animations. If available, use these APIs to fade-in
    // the progress spinner.
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB_MR2) {
      int shortAnimTime = getResources().getInteger(
          android.R.integer.config_shortAnimTime);

      mLoginFormView.setVisibility(show ? View.GONE : View.VISIBLE);
      mLoginFormView.animate().setDuration(shortAnimTime)
          .alpha(show ? 0 : 1)
          .setListener(new AnimatorListenerAdapter() {
            @Override
            public void onAnimationEnd(Animator animation) {
              mLoginFormView.setVisibility(show ? View.GONE
                  : View.VISIBLE);
            }
          });

      mProgressView.setVisibility(show ? View.VISIBLE : View.GONE);
      mProgressView.animate().setDuration(shortAnimTime)
          .alpha(show ? 1 : 0)
          .setListener(new AnimatorListenerAdapter() {
            @Override
            public void onAnimationEnd(Animator animation) {
              mProgressView.setVisibility(show ? View.VISIBLE
                  : View.GONE);
            }
          });
    } else {
      // The ViewPropertyAnimator APIs are not available, so simply show
      // and hide the relevant UI components.
      mProgressView.setVisibility(show ? View.VISIBLE : View.GONE);
      mLoginFormView.setVisibility(show ? View.GONE : View.VISIBLE);
    }
  }

  @Override
  protected void onPlusClientSignIn() {
    // Set up sign out and disconnect buttons.
    Button signOutButton = (Button) findViewById(R.id.plus_sign_out_button);
    signOutButton.setOnClickListener(new OnClickListener() {
      @Override
      public void onClick(View view) {
        signOut();
      }
    });
    Button disconnectButton = (Button) findViewById(R.id.plus_disconnect_button);
    disconnectButton.setOnClickListener(new OnClickListener() {
      @Override
      public void onClick(View view) {
        revokeAccess();
      }
    });
    
    
    
    
    startApp();
  }

  @Override
  protected void onPlusClientBlockingUI(boolean show) {
    showProgress(show);
  }

  @Override
  protected void updateConnectButtonState() {
    // TODO: Update this logic to also handle the user logged in by email.
    boolean connected = getPlusClient().isConnected();

    mSignOutButtons.setVisibility(connected ? View.VISIBLE : View.GONE);
    mPlusSignInButton.setVisibility(connected ? View.GONE : View.VISIBLE);
  
  }

  @Override
  protected void onPlusClientRevokeAccess() {
    // TODO: Access to the user's G+ account has been revoked. Per the
    // developer terms, delete
    // any stored user data here.
    
    
  }

  @Override
  protected void onPlusClientSignOut() {

  }

  /**
   * Check if the device supports Google Play Services. It's best practice to
   * check first rather than handling this as an error case.
   * 
   * @return whether the device supports Google Play Services
   */
  private boolean supportsGooglePlayServices() {
    return GooglePlayServicesUtil.isGooglePlayServicesAvailable(this) == ConnectionResult.SUCCESS;
  }


  @Override
  public void onConnectionSuspended(int cause) {
  
    if(CAUSE_NETWORK_LOST == cause){
      Toast.makeText(this, "Connection suspended", Toast.LENGTH_LONG).show();
      return;
    }
    
    if(CAUSE_SERVICE_DISCONNECTED == cause){      
      Toast.makeText(this, "Service disconnected", Toast.LENGTH_LONG).show();
      return;
    }
    
    
    
  }

  private void startApp() {
    Intent intent = new Intent(EntryPointActivity.this,QuestionListActivity.class);
    Bundle data = new Bundle();      
    intent.putExtras(data);
    EntryPointActivity.this.startActivity(intent);      
    EntryPointActivity.this.finish();
  }



}

Java Source Code List

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