Android Open Source - AndroidInstagram Instagram Dialog

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Back to project page AndroidInstagram.

License

The source code is released under:

Apache License

Java Source Code

package net.londatiga.android.instagram;
/*from   w w  w.  jav  a  2s  . c  o  m*/
import net.londatiga.android.instagram.R;

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.util.Log;
import android.content.Context;

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

import android.webkit.WebSettings;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.FrameLayout;
import android.widget.LinearLayout;
import android.widget.TextView;

/**
 * Authentication and authorization dialog.
 * 
 * @author Lorensius W. L. T <lorenz@londatiga.net>
 *
 */
@SuppressLint({ "NewApi", "SetJavaScriptEnabled" })
public class InstagramDialog extends Dialog {
  private ProgressDialog mSpinner;
  private WebView mWebView;
  private LinearLayout mContent;
  private TextView mTitle;
  
  private String mAuthUrl;
  private String mRedirectUri;
  
  private InstagramDialogListener mListener;
  
  static final FrameLayout.LayoutParams FILL = new FrameLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
      ViewGroup.LayoutParams.MATCH_PARENT);
  
  static final int MARGIN = 8;
  static final int PADDING = 2;
  
  static final String TAG = "Instagram-Android";
  
  public InstagramDialog(Context context, String authUrl, String redirectUri, InstagramDialogListener listener) {
    super(context);
    
    mAuthUrl    = authUrl;
    mListener    = listener;
    mRedirectUri  = redirectUri;
  }
  
  @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.icon);
          
    mTitle = new TextView(getContext());
          
    mTitle.setText("Instagram");
    mTitle.setTextColor(Color.WHITE);
    mTitle.setTypeface(Typeface.DEFAULT_BOLD);
    mTitle.setBackgroundColor(0xFF163753);
    mTitle.setPadding(MARGIN + PADDING, MARGIN, MARGIN, MARGIN);
    mTitle.setCompoundDrawablePadding(MARGIN + PADDING);
    mTitle.setCompoundDrawablesWithIntrinsicBounds(icon, null, null, null);
          
    mContent.addView(mTitle);
  }

  private void setUpWebView() {
    mWebView = new WebView(getContext());
          
    mWebView.setVerticalScrollBarEnabled(false);
    mWebView.setHorizontalScrollBarEnabled(false);
    mWebView.setWebViewClient(new InstagramWebViewClient());
    mWebView.getSettings().setJavaScriptEnabled(true);
    mWebView.loadUrl(mAuthUrl);
    mWebView.setLayoutParams(FILL);
          
    WebSettings webSettings = mWebView.getSettings();
    
    webSettings.setSavePassword(false);
    webSettings.setSaveFormData(false);
    
    mContent.addView(mWebView);
  }

  public void clearCache() {
    mWebView.clearCache(true);
    mWebView.clearHistory();
    mWebView.clearFormData();
  }
  
  @Override
  public void onBackPressed() {
    super.onBackPressed();
    mListener.onCancel();
    
  }
  private class InstagramWebViewClient extends WebViewClient {

    @Override
    public boolean shouldOverrideUrlLoading(WebView view, String url) {
      Log.d(TAG, "Redirecting URL " + url);
            
      if (url.startsWith(mRedirectUri)) {
        if (url.contains("code")) {
          String temp[] = url.split("=");
          
          mListener.onSuccess(temp[1]);
        } else if (url.contains("error")) {
          String temp[] = url.split("=");
          
          mListener.onError(temp[temp.length-1]);
        }
              
            InstagramDialog.this.dismiss();
              
            return true;
      }
      
      return false;
    }

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

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

    @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 InstagramDialogListener {
    public abstract void onSuccess(String code);
    public abstract void onCancel();
    public abstract void onError(String error);
  }
}

Java Source Code List

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