Android Open Source - radiogeek F Activity

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License

The source code is released under:

GNU General Public License

Java Source Code

package com.farnabaz.android;
/* w w w .  j a  v  a  2  s .com*/
import android.app.ActivityManager;
import android.app.ActivityManager.RunningServiceInfo;
import android.app.ProgressDialog;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.res.Configuration;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.widget.Toast;

import com.actionbarsherlock.app.SherlockActivity;
import com.actionbarsherlock.view.Menu;
import com.actionbarsherlock.view.MenuItem;
import com.farnabaz.android.radiogeek.DownloadService;
import com.farnabaz.android.radiogeek.R;

public abstract class FActivity extends SherlockActivity {

  private ProgressDialog mProgressDialog;

  private MainDataReciver mReceiver;

  protected abstract void onDownloadFinish();

  protected abstract void onDownloadStopped();

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    menu.add(R.string.download)
        .setOnMenuItemClickListener(
            new MenuItem.OnMenuItemClickListener() {

              @Override
              public boolean onMenuItemClick(MenuItem item) {
                if (isDownloadServiceRunning()) {
                  showProgressDialog();
                } else {
                  showShortMessageInToast(R.string.no_download);
                }
                return true;
              }
            }).setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
    return super.onCreateOptionsMenu(menu);
  }

  @Override
  public void onConfigurationChanged(Configuration newConfig) {
    super.onConfigurationChanged(newConfig);
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
    case android.R.id.home:
      finish();
      break;

    default:
      break;
    }
    return super.onOptionsItemSelected(item);
  }

  /**
   * show message in android toast
   * 
   * @param message
   *            Message to show
   */
  protected void showShortMessageInToast(String message) {
    Toast.makeText(this, message, Toast.LENGTH_SHORT).show();
  }

  /**
   * show message in android toast
   * 
   * @param message
   *            Message to show
   */
  protected void showShortMessageInToast(int message) {
    Toast.makeText(this, message, Toast.LENGTH_SHORT).show();
  }

  /**
   * return true is a download is running with <code>DownloadService</code>
   * 
   * @return
   */
  protected boolean isDownloadServiceRunning() {
    ActivityManager manager = (ActivityManager) getSystemService(ACTIVITY_SERVICE);
    for (RunningServiceInfo service : manager
        .getRunningServices(Integer.MAX_VALUE)) {
      if ("com.farnabaz.android.radiogeek.DownloadService"
          .equals(service.service.getClassName())) {
        return true;
      }
    }
    return false;
  }

  /**
   * check for android connected to network
   * 
   * @return true if connected
   */
  protected boolean isConnectedToNetwork() {
    ConnectivityManager connectivityManager = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
    NetworkInfo activeNetworkInfo = connectivityManager
        .getActiveNetworkInfo();
    return activeNetworkInfo != null && activeNetworkInfo.isConnected();
  }

  private void hideProgressDialog() {
    if (mProgressDialog != null) {
      mProgressDialog.dismiss();
      mProgressDialog = null;
      unregisterReceiver(mReceiver);
      mReceiver = null;
    }
  }

  protected void showProgressDialog() {
    mProgressDialog = new ProgressDialog(this);
    mProgressDialog.setMessage("Download");
    mProgressDialog.setIndeterminate(false);
    mProgressDialog.setCancelable(false);
    mProgressDialog.setMax(100);
    mProgressDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);

    mProgressDialog.setButton(DialogInterface.BUTTON_POSITIVE, "Hide",
        new DialogInterface.OnClickListener() {

          @Override
          public void onClick(DialogInterface arg0, int arg1) {
            hideProgressDialog();
          }
        });
    mProgressDialog.setButton(DialogInterface.BUTTON_NEGATIVE,
        "Stop Download", new DialogInterface.OnClickListener() {

          @Override
          public void onClick(DialogInterface arg0, int arg1) {
            hideProgressDialog();

            Intent broadcastIntent = new Intent();
            broadcastIntent
                .setAction(DownloadService.RADIOGEEK_STATE_ACTION);
            broadcastIntent.addCategory(Intent.CATEGORY_DEFAULT);
            broadcastIntent.putExtra("State",
                DownloadService.STATE_CANCEL_DOWNLOAD);
            sendBroadcast(broadcastIntent);
            onDownloadStopped();
          }
        });
    mProgressDialog.show();
    IntentFilter filter = new IntentFilter(
        DownloadService.RADIOGEEK_DOWNLOAD_ACTION);
    filter.addAction(DownloadService.RADIOGEEK_DOWNLOAD_INTERUPTED_ACTION);
    filter.addAction(DownloadService.RADIOGEEK_DOWNLOAD_COMPLETE_ACTION);
    filter.addCategory(Intent.CATEGORY_DEFAULT);
    mReceiver = new MainDataReciver();
    registerReceiver(mReceiver, filter);
  }

  private class MainDataReciver extends BroadcastReceiver {

    @Override
    public void onReceive(Context arg0, Intent arg1) {
      int progress = arg1
          .getIntExtra(DownloadService.CURRENT_PROGRESS, 0);
      int total = arg1.getIntExtra(DownloadService.TOTAL_PROGRESS, 0);
      if (mProgressDialog != null) {
        mProgressDialog.setProgress(progress);
        mProgressDialog.setMax(total);
      }
      if (progress == total) {
        hideProgressDialog();
        onDownloadFinish();
      }
      if (DownloadService.RADIOGEEK_DOWNLOAD_INTERUPTED_ACTION
          .equals(arg1.getAction())) {
        hideProgressDialog();
      }
    }

  }

}

Java Source Code List

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