Android Open Source - Twitter4JAndroidLogin Twitter Login Activity

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From Project

Back to project page Twitter4JAndroidLogin.

License

The source code is released under:

MIT License

Java Source Code

package com.fadisdh.android.twitter4jlogin;
//from  www  .  ja  v  a2s . co m
import android.app.Activity;
import android.graphics.Bitmap;
import android.net.Uri;
import android.os.Bundle;
import android.util.Log;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnTouchListener;
import android.webkit.WebView;
import android.webkit.WebViewClient;

public class TwitterLoginActivity extends Activity {
  public static final String INTENT_EXTRA_TWITTER_ADAPTER = "twitter_adapter";
  
  public static final int RESULT_CODE_SUCCESS = 1;
  public static final int RESULT_CODE_FAILURE = 2;
  
  private WebView webView;
  private View overlayView;

  private TwitterAdapter twitterAdapter;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_twitter_login);
    
    twitterAdapter = TwitterAdapter.getInstance();
    if(twitterAdapter == null){
      setResult(RESULT_CODE_FAILURE);
      finish();
    }
    
    if(twitterAdapter.getAppKey() == null || twitterAdapter.getAppSecret() == null){
      Log.e(TwitterAdapter.TAG, "ERROR: Consumer Key and Consumer Secret required!");
          TwitterLoginActivity.this.setResult(RESULT_CODE_FAILURE);
          TwitterLoginActivity.this.finish();
    }
    
    overlayView = findViewById(R.id.twitter_login_overlay);
    overlayView.setOnTouchListener(new OnTouchListener() {
      
      @Override
      public boolean onTouch(View view, MotionEvent motion) {
        view.performClick();
        return true;
      }
    });
    
    webView = (WebView)findViewById(R.id.twitter_login_web_view);
    webView.setWebViewClient( new WebViewClient()
        {
            @Override
            public boolean shouldOverrideUrlLoading(WebView view, String url)
            {
                if( url.contains(TwitterAdapter.TWITTER_CALLBACK_URL))
                {
                    Uri uri = Uri.parse(url);
                    twitterAdapter.getOAuthToken(uri, callback);
                    return true;
                }
                return false;
            }
            
            @Override
            public void onPageFinished(WebView view, String url) {
              super.onPageFinished(view, url);
              hideProgressbar();
            }
            
            @Override
            public void onPageStarted(WebView view, String url, Bitmap favicon) {
              super.onPageStarted(view, url, favicon);
              showProgressbar();
            }
        });

      twitterAdapter.getOAuthRequestToken(callback);
  }
  
  private TwitterAdapter.Callback callback = new TwitterAdapter.Callback() {
    
    @Override
    public void success(int type) {
      switch (type) {
      case TwitterAdapter.CallbackType.OAUTH_REQUEST:
        oAuthRequestUrlSuccess();
        break;
      case TwitterAdapter.CallbackType.OAUTH_RESULT:
        oAuthRequestTokenSuccess();
        break;
      default:
        break;
      }
    }
    
    @Override
    public void failed(int type, Exception exception) {
      switch (type) {
      case TwitterAdapter.CallbackType.OAUTH_REQUEST:
        oAuthRequestUrlFailed();
        break;
      case TwitterAdapter.CallbackType.OAUTH_RESULT:
        oAuthRequestTokenFailed();
        break;
      default:
        break;
      }
    }
  };
  
  public void oAuthRequestUrlSuccess(){
    webView.loadUrl(twitterAdapter.getRequestToken().getAuthenticationURL());
  }
  
  public void oAuthRequestUrlFailed(){
    Log.e(TwitterAdapter.TAG, "Error in OAuth Request URL");
    setResult(RESULT_CODE_FAILURE);
    finish();
  }
  
  public void oAuthRequestTokenSuccess(){
    setResult(RESULT_CODE_SUCCESS);
    finish();
  }
  
  public void oAuthRequestTokenFailed(){
    Log.e(TwitterAdapter.TAG, "Error in OAuth Request Token");
    setResult(RESULT_CODE_FAILURE);
    finish();
  }

  @Override
  protected void onResume() {
    super.onResume();
    
    if(twitterAdapter == null){
      setResult(RESULT_CODE_FAILURE);
      finish();
    }
  }
  
  private void showProgressbar(){
    overlayView.setVisibility(View.VISIBLE);
  }
  
  private void hideProgressbar(){
    overlayView.setVisibility(View.INVISIBLE);
  }
}

Java Source Code List

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