Android Open Source - audioplayer Prompt Define Cover Album

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Back to project page audioplayer.

License

The source code is released under:

GNU General Public License

Java Source Code

package fr.julien_dumortier.simplemusicplayer.uiprompt;
/*  w ww  .j av  a  2  s  . c om*/
import java.net.URL;
import java.net.URLConnection;
import fr.julien_dumortier.simplemusicplayer.R;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.widget.EditText;

public class PromptDefineCoverAlbum extends AlertDialog.Builder {

  public interface IOnUrlImagePostedListener {
    public void onPostImageUrl(String url);
    public void onPostBadImageUrl();
  }
  
  private IOnUrlImagePostedListener mListener;
  
  public PromptDefineCoverAlbum(Context context, IOnUrlImagePostedListener listener) {
    super(context);
    mListener = listener;
    setMessage(context.getResources().getText(R.string.enter_url_to_image));
    final EditText edit = new EditText(context);
    setView(edit);
    setPositiveButton(context.getResources().getText(R.string.ok), new OnClickListener() {
      public void onClick(DialogInterface dialog, int which) {
        new Thread("validation url thread") { public void run() {
          String url = edit.getText().toString();
          if(validImageUrl(url))
            mListener.onPostImageUrl(url);
          else
            mListener.onPostBadImageUrl();
        }}.start();
      }
    });
    setNegativeButton(context.getResources().getText(R.string.cancel), new OnClickListener() {
      public void onClick(DialogInterface dialog, int which) {}});
  }
  
  private static boolean validImageUrl(String url) {
    URLConnection connection;
    try {
      connection = new URL(url).openConnection();
      String contentType = connection.getHeaderField("Content-Type");
      return contentType.startsWith("image/");
    } catch (Exception e) {
      return false;
    }
  }
}

Java Source Code List

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