Android Open Source - NewAndroidTwitter Twitter Dialog

• Back to Twitter/api  ↑

From Project

Back to project page NewAndroidTwitter.

License

The source code is released under:

Apache License

Java Source Code

package net.londatiga.android.twitter;
//w w  w .j a v  a 2 s .  c o  m
import java.net.URL;
import java.net.URLDecoder;

import net.londatiga.android.twitter.oauth.OauthUtil;
import net.londatiga.android.twitter.util.Debug;

import android.annotation.SuppressLint;
import android.app.Dialog;
import android.app.ProgressDialog;

import android.graphics.Bitmap;
import android.graphics.Color;
import android.graphics.Point;
import android.graphics.Typeface;
import android.graphics.drawable.Drawable;

import android.os.Build;
import android.os.Bundle;

import android.content.Context;

import android.view.Display;
import android.view.ViewGroup;
import android.view.Window;

import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.FrameLayout;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.webkit.CookieManager;
import android.webkit.CookieSyncManager;

/**
 * Twitter authorization dialog.
 * 
 * @author Lorensius W. L. T <lorenz@londatiga.net>
 *
 */
@SuppressLint("NewApi")
public class TwitterDialog extends Dialog {
    static final FrameLayout.LayoutParams FILL = new FrameLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
                                     ViewGroup.LayoutParams.MATCH_PARENT);
    static final int MARGIN = 4;
    static final int PADDING = 2;

    private String mUrl;
    private String mCallbackUrl;
    
    private TwDialogListener mListener;
    private ProgressDialog mSpinner;
    private WebView mWebView;
    private LinearLayout mContent;
    private TextView mTitle;

    public TwitterDialog(Context context, String callback, String url, TwDialogListener listener) {
        super(context);
        
        mCallbackUrl= callback;
        mUrl     = url;
        mListener   = listener;
    }

  @SuppressWarnings("deprecation")
  @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        mSpinner = new ProgressDialog(getContext());
        
        mSpinner.requestWindowFeature(Window.FEATURE_NO_TITLE);
        mSpinner.setMessage("Loading...");

        mContent = new LinearLayout(getContext());
        
        mContent.setOrientation(LinearLayout.VERTICAL);
        
        setUpTitle();
        setUpWebView();
        
        Display display   = getWindow().getWindowManager().getDefaultDisplay();
    Point outSize    = new Point();
    
    int width      = 0;
    int height      = 0;
    
    double[] dimensions = new double[2];
            
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB_MR2) {
      display.getSize(outSize);
      
      width  = outSize.x;
      height  = outSize.y;
    } else {
      width  = display.getWidth();
      height  = display.getHeight();
    }
    
    if (width < height) {
      dimensions[0]  = 0.87 * width;
          dimensions[1]  = 0.82 * height;
    } else {
      dimensions[0]  = 0.75 * width;
      dimensions[1]  = 0.75 * height;          
    }
        
        addContentView(mContent, new FrameLayout.LayoutParams((int) dimensions[0], (int) dimensions[1]));
    }

    private void setUpTitle() {
        requestWindowFeature(Window.FEATURE_NO_TITLE);
        
        Drawable icon = getContext().getResources().getDrawable(R.drawable.twitter_icon);
        
        mTitle = new TextView(getContext());
        
        mTitle.setText("Twitter");
        mTitle.setTextColor(Color.WHITE);
        mTitle.setTypeface(Typeface.DEFAULT_BOLD);
        mTitle.setBackgroundColor(0xFFbbd7e9);
        mTitle.setPadding(MARGIN + PADDING, MARGIN, MARGIN, MARGIN);
        mTitle.setCompoundDrawablePadding(MARGIN + PADDING);
        mTitle.setCompoundDrawablesWithIntrinsicBounds(icon, null, null, null);
        
        mContent.addView(mTitle);
    }

    @SuppressLint("SetJavaScriptEnabled")
  private void setUpWebView() {
      CookieSyncManager.createInstance(getContext()); 
        CookieManager cookieManager = CookieManager.getInstance();
        cookieManager.removeAllCookie();
        
        mWebView = new WebView(getContext());
        
        mWebView.setVerticalScrollBarEnabled(false);
        mWebView.setHorizontalScrollBarEnabled(false);
        mWebView.setWebViewClient(new TwitterWebViewClient());
        mWebView.getSettings().setJavaScriptEnabled(true);
        mWebView.loadUrl(mUrl);
        mWebView.setLayoutParams(FILL);
        
        mContent.addView(mWebView);
    }

    private void processVerifier(String callbackUrl) {
    String verifier   = "";
    
    try {
      URL url     = new URL(callbackUrl);
      String query   = url.getQuery();
    
      String array[]  = query.split("&");

      for (String parameter : array) {
               String v[] = parameter.split("=");
               
               if (URLDecoder.decode(v[0], "UTF-8").equals(OauthUtil.OAUTH_VERIFIER)) {
                 verifier = URLDecoder.decode(v[1], "UTF-8");
                 break;
               }
          }
    } catch (Exception e) {
      e.printStackTrace();
    }
    
    mListener.onComplete(verifier);
  }
    
    private class TwitterWebViewClient extends WebViewClient {

        @Override
        public boolean shouldOverrideUrlLoading(WebView view, String url) {
          Debug.i("Redirecting URL " + url);
          
          if (url.startsWith(mCallbackUrl)) {
            processVerifier(url);
            
            TwitterDialog.this.dismiss();
            
            return true;
          }  else if (url.startsWith("authorize")) {
            return false;
          }
          
            return true;
        }

        @Override
        public void onReceivedError(WebView view, int errorCode, String description, String failingUrl) {
          Debug.i("Page error: " + description);
          
            super.onReceivedError(view, errorCode, description, failingUrl);
      
            mListener.onError(description);
            
            TwitterDialog.this.dismiss();
        }

        @Override
        public void onPageStarted(WebView view, String url, Bitmap favicon) {
          Debug.i("Loading URL: " + url);
            super.onPageStarted(view, url, favicon);
            mSpinner.show();
        }

        @Override
        public void onPageFinished(WebView view, String url) {
            super.onPageFinished(view, url);
            String title = mWebView.getTitle();
            if (title != null && title.length() > 0) {
                mTitle.setText(title);
            }
            mSpinner.dismiss();
        }

    }
    
    public interface TwDialogListener {
    public void onComplete(String verifier);    
    public void onError(String value);
  }
}

Java Source Code List

• Back to Twitter/api  ↑