SettingActivity.java :  » App » droidslator » com » codemobiles » droidslator » activity » Android Open Source

package com.codemobiles.droidslator.activity;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URL;

import android.app.Activity;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.os.Handler;
import android.util.Log;
import android.view.MotionEvent;
import android.view.View;
import android.view.Window;
import android.view.View.OnTouchListener;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.ProgressBar;
import android.widget.TextView;

import com.codemobiles.droidslator.R;
import com.sun.swing.internal.plaf.synth.resources.synth;

public class SettingActivity extends Activity {
  private ImageView imgBanner;
  private ImageView backBtn;
  private ProgressBar mProgress;
  private TextView progressText;
  private Button btnDowload001;
  private int mProgressStatus = 0;

  private boolean isDownloading = false;
  private float fileSeg = 0;
  private int percent = 0;
  private String urlStr = "";
  private final String filePath = ".dsdb";
  private URL fetchUrl;
  private byte[] buff = new byte[1024];
  private int len;
  private int fileSize;
  private InputStream in;
  private FileOutputStream out;
  private File root;

  private Handler mHandler = new Handler();

  @Override
  protected void onPause() {
    super.onPause();
    releaseAllResources();
  }

  @Override
  protected void onDestroy() {
    super.onDestroy();
    releaseAllResources();
  }

  private void releaseAllResources() {
    if (percent != 100 && downloadThread != null){
      deleteFile();
    }
    isCanceled = true;
    downloadThread = null;
    fileSeg = 0;
    fileSize = 0;
    Log.i("POS_LOG", "All resources are released");
  }
  
  /** Called when the activity is first created. */
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    requestWindowFeature(Window.FEATURE_CUSTOM_TITLE);
    setContentView(R.layout.setting);
    getWindow().setFeatureInt(Window.FEATURE_CUSTOM_TITLE,
        R.layout.custom_title);

    btnDowload001 = (Button) findViewById(R.id.download001);
    progressText = (TextView) findViewById(R.id.progressText);
    mProgress = (ProgressBar) findViewById(R.id.progress_bar);
    imgBanner = (ImageView) findViewById(R.id.imgBanner);
    backBtn = (ImageView) findViewById(R.id.imgBack);
    initPlugInStatus();

    btnDowload001.setOnClickListener(new View.OnClickListener() {

      @Override
      public void onClick(View v) {
        if (downloadThread != null) { // when press cancel
          btnDowload001.setText("Install");
          releaseAllResources();
        } else { // when press install
          isCanceled = false;
          fileSeg = 0;
          fileSize = 0;
          percent = 0;
          isCanceled = false;
          isDownloading = false;
          mProgress.setProgress(0);
          btnDowload001.setText("Cancel");
          beginDownload();
        }
      }
    });

    imgBanner.setOnClickListener(new View.OnClickListener() {

      @Override
      public void onClick(View v) {
        Uri uri = Uri.parse(getString(R.string.our_website));
        startActivity(new Intent(Intent.ACTION_VIEW, uri));
      }
    });

    backBtn.setOnClickListener(new View.OnClickListener() {

      @Override
      public void onClick(View v) {
        finish();
      }
    });
    backBtn.setOnTouchListener(new OnTouchListener() {

      @Override
      public boolean onTouch(View v, MotionEvent event) {
        // TODO Auto-generated method stub
        int eventaction = event.getAction();

        switch (eventaction) {

        case MotionEvent.ACTION_DOWN:
          backBtn.setImageResource(R.drawable.button_back_touch);
          break;

        case MotionEvent.ACTION_MOVE:
          break;

        case MotionEvent.ACTION_UP:
          backBtn.setImageResource(R.drawable.button_back);
          break;
        }

        return false;
      }
    });
  }

  private void initPlugInStatus() {
    root = Environment.getExternalStorageDirectory();
    File file = new File(root, File.separator + filePath);
    try {
      new FileInputStream(file);
      mProgress.setProgress(100);
      btnDowload001.setText("Re-Install");
      progressText.setText("Installed");
    } catch (FileNotFoundException e) {
      btnDowload001.setText("Install");
      progressText.setText("0%");
    }
  }

  private void deleteFile() {
    root = Environment.getExternalStorageDirectory();
    File file = new File(root, File.separator + filePath);
    file.delete();
  }

  private Thread downloadThread;
  private boolean isCanceled = false;

  private void beginDownload() {
    mProgressStatus = 0;
    downloadThread = new Thread(new Runnable() {
      public void run() {
        while (percent < 100
            && Thread.currentThread() == downloadThread) {
          percent = runDownload();
          // Update the progress bar
          mHandler.post(new Runnable() {
            public void run() {
              mProgress.setProgress(percent);
              if ((percent != 100)) {
                if (isCanceled == false) {
                  progressText.setText(percent + "%" + " ("
                      + mProgressStatus + "/" + fileSize
                      / 1024 + " KB)");
                } else {
                  mProgress.setProgress(0);
                  progressText.setText("0%");
                  isCanceled = true;
                }

              } else {
                btnDowload001.setText("Re-Install");
                progressText.setText("Installed");

              }
            }
          });
        }
      }
    });
    downloadThread.start();
  }

  private synchronized int runDownload() {

    try {
      if (isDownloading != true) {
        isDownloading = true;
        urlStr = getString(R.string.urlStr);
        fetchUrl = new URL(urlStr);
        fileSize = fetchUrl.openConnection().getContentLength();
        fileSeg = fileSize / buff.length;
        Log.i("POS_LOG", "file's size: " + String.valueOf(fileSize));
        in = (InputStream) fetchUrl.getContent();
        out = new FileOutputStream(new File(root, File.separator
            + filePath));
      }

      len = in.read(buff);
      out.write(buff, 0, len);
      mProgressStatus++;
      percent = (int) (((float) (mProgressStatus) / (float) (fileSeg)) * (float) (100));
      if (percent == 100) {
        in.close();
        out.close();
      }

    } catch (MalformedURLException e) {
      // TODO Auto-generated catch block
      Log.i("POS_TAG", "fromEditor = " + e.getMessage());
      System.out.println(e.getMessage());
      e.printStackTrace();
    } catch (Exception e) {
      // TODO Auto-generated catch block
      Log.i("POS_TAG", "fromEditor = " + e.getMessage());
      e.printStackTrace();
      System.out.println(e.getMessage());
    }
    return percent;
  }

}