Android Open Source - downloadandunzip Main Activity

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License

The source code is released under:

GNU General Public License

Java Source Code

package com.mehmetakiftutuncu.downloadunzipshow;
/*from  w  w w  .j  av a 2  s  .co  m*/
import android.app.Activity;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.Environment;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;

public class MainActivity extends Activity implements OnClickListener
{
  public static final String LOG_TAG = "DownloadUnzipShow";
  
  public static final String URL_TO_DOWNLOAD = "https://dl.dropbox.com/u/37485576/androidDownloadSample.zip";
  public static final String PATH_TO_SD = Environment.getExternalStorageDirectory().getPath();
  public static final String PATH_IN_SD_TO_SAVE = "mehmetakiftutuncu";
  public static final String FILE_NAME_TO_SAVE = "images.zip";
  
  Button buttonDownload, buttonUnzip, buttonShow;
  
  FileDownloaderTask myDownloader;
  DecompressorTask myDecompressor;
  
  @SuppressWarnings("deprecation")
  @Override
  protected void onCreate(Bundle savedInstanceState)
  {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    
    buttonDownload = (Button) findViewById(R.id.button_download);
    buttonUnzip = (Button) findViewById(R.id.button_unzip);
    buttonShow = (Button) findViewById(R.id.button_show);
    
    buttonDownload.setOnClickListener(this);
    buttonUnzip.setOnClickListener(this);
    buttonShow.setOnClickListener(this);
    
    Object[] lastConfigurations = (Object[]) getLastNonConfigurationInstance();
    
    if(lastConfigurations != null)
    {
      myDownloader = (FileDownloaderTask) lastConfigurations[0];
      myDecompressor = (DecompressorTask) lastConfigurations[1];
      
      if(myDownloader != null && myDownloader.getStatus() != AsyncTask.Status.FINISHED)
      {
        myDownloader.setContext(this); 
      }
      
      if(myDecompressor != null && myDecompressor.getStatus() != AsyncTask.Status.FINISHED)
      {
        myDecompressor.setContext(this); 
      }
    }
  }
  
  @Override
  public Object onRetainNonConfigurationInstance()
  {
    return new Object[] {myDownloader, myDecompressor};
  }
  
  @Override
  protected void onPause()
  {
    super.onPause();
    
    if(myDownloader != null && myDownloader.getProgressDialog() != null)
    {
      myDownloader.getProgressDialog().dismiss();
    }
    
    if(myDecompressor != null && myDecompressor.getProgressDialog() != null)
    {
      myDecompressor.getProgressDialog().dismiss();
    }
  }

  @Override
  public void onClick(View v)
  {
    switch(v.getId())
    {
      case R.id.button_download:
        myDownloader = new FileDownloaderTask(this, URL_TO_DOWNLOAD, PATH_IN_SD_TO_SAVE, FILE_NAME_TO_SAVE);
        myDownloader.execute();
        break;
      
      case R.id.button_unzip:
        myDecompressor = new DecompressorTask(this, PATH_IN_SD_TO_SAVE, FILE_NAME_TO_SAVE, PATH_IN_SD_TO_SAVE);
        myDecompressor.execute();
        break;
      
      case R.id.button_show:
        break;
    }
  }
}

Java Source Code List

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