Android Open Source - TheNewBoston External Data

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License

The source code is released under:
Eclipse Public License - v 1.0 THE ACCOMPANYING PROGRAM IS PROVIDED UNDER THE TERMS OF THIS ECLIPSE PUBLIC LICENSE ("AGREEMENT"). ANY USE, REPRODUCTION OR DISTRIBUTION OF THE PROGRAM CONSTITUTES RECI...
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Java Source Code

package com.homelysoft.thenewboston;
//w w w  .  j ava2s . c o  m
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

import android.app.Activity;
import android.media.MediaScannerConnection;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemSelectedListener;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Spinner;
import android.widget.TextView;
import android.widget.Toast;

public class ExternalData extends Activity implements OnClickListener,
    OnItemSelectedListener {

  private TextView canRead, canWrite;
  Spinner spinner;
  String state;
  boolean canR, canW;
  String[] paths = { "Music", "Pictures", "Download" };
  File path = null, file = null;
  EditText saveFile;
  Button confirm, save;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.external_data);
    bridgeXML();
    setOnClickListeners();
    checkState();
    save.setVisibility(View.INVISIBLE);
    ArrayAdapter<String> adapter = new ArrayAdapter<String>(
        ExternalData.this, android.R.layout.simple_spinner_item, paths);
    spinner.setAdapter(adapter);
    spinner.setOnItemSelectedListener(this);
  }

  protected void checkState() {
    state = Environment.getExternalStorageState();
    if (state.contentEquals(Environment.MEDIA_MOUNTED)) {
      canRead.setText("true");
      canWrite.setText("true");
      canW = canR = true;
    } else if (state.contentEquals(Environment.MEDIA_MOUNTED_READ_ONLY)) {
      canRead.setText("true");
      canWrite.setText("false");
      canR = true;
      canW = false;
    } else {
      canRead.setText("false");
      canWrite.setText("false");
      canW = canR = false;
    }
  }

  protected void bridgeXML() {
    canRead = (TextView) findViewById(R.id.tv_can_read);
    canWrite = (TextView) findViewById(R.id.tv_can_write);
    spinner = (Spinner) findViewById(R.id.spinner1);
    saveFile = (EditText) findViewById(R.id.et_save_as);
    confirm = (Button) findViewById(R.id.b_external_data_confirm);
    save = (Button) findViewById(R.id.b_external_data_save);
  }

  protected void setOnClickListeners() {
    confirm.setOnClickListener(ExternalData.this);
    save.setOnClickListener(ExternalData.this);
  }

  @Override
  public void onItemSelected(AdapterView<?> arg0, View arg1, int arg2,
      long arg3) {
    int position = spinner.getSelectedItemPosition();
    switch (position) {
    case 0:
      path = Environment
          .getExternalStoragePublicDirectory(Environment.DIRECTORY_MUSIC);
      break;
    case 1:
      path = Environment
          .getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES);
      break;
    case 2:
      path = Environment
          .getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS);
      break;
    }
  }

  @Override
  public void onNothingSelected(AdapterView<?> arg0) {

  }

  @Override
  public void onClick(View v) {
    switch (v.getId()) {
    case R.id.b_external_data_confirm:
      Toast.makeText(ExternalData.this, "Confirm pressed",
          Toast.LENGTH_LONG).show();
      save.setVisibility(View.VISIBLE);
      break;
    case R.id.b_external_data_save:
      String f = saveFile.getText().toString();
      file = new File(path, f);
      checkState();
      if (canW == canR == true) {
        path.mkdirs();
        try {
          InputStream is = getResources().openRawResource(
              R.drawable.b_ball);
          byte[] data = new byte[is.available()];
          is.read(data);
          OutputStream os = new FileOutputStream(file);
          os.write(data);
          os.close();
          is.close();
          //-----------------------------------------------------------------
          is = getResources().openRawResource(
              R.raw.action_music);
          os=new FileOutputStream(new File(path,"action music.mp3"));
          byte[] musicData=new byte[is.available()];
          os.write(musicData);
          os.close();
          Toast toast = Toast.makeText(ExternalData.this,
              "File has been Saved. Refreshing media scanner",
              Toast.LENGTH_LONG);
          toast.show();
          MediaScannerConnection
              .scanFile(
                  ExternalData.this,
                  new String[] { file.toString() },
                  null,
                  new MediaScannerConnection.OnScanCompletedListener() {

                    @Override
                    public void onScanCompleted(
                        String path, Uri uri) {
                      Toast.makeText(ExternalData.this,
                          "Scan complete",
                          Toast.LENGTH_SHORT).show();

                    }
                  });
        } catch (FileNotFoundException e) {
          e.printStackTrace();
        } catch (IOException e) {
          e.printStackTrace();
        }

      }
      break;
    }
  }

}
Java Source Code List
