OpenIntents

Thank u Pely for your reply. I am a student of CSE and new to Android. I have examined the android activity life cycle, but still confused. I think the onPause() , onResume() methods are internally called, when another activity starts. Is it? or should I call them explicitly? Here is my whole code

package imon.test.android;

import org.openintents.intents.FileManagerIntents;
import java.io.IOException;

import android.app.Activity;
import android.content.ActivityNotFoundException;
import android.content.Intent;
import android.media.MediaPlayer;
import android.net.Uri;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.EditText;
import android.widget.Toast;
import android.widget.VideoView;

public class AVimon extends Activity implements OnClickListener {

public MediaPlayer mp = new MediaPlayer();
public static String filename;

/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);

View audioButton = findViewById(R.id.audio_button);
audioButton.setOnClickListener(this);
View videoButton = findViewById(R.id.video_button);
videoButton.setOnClickListener(this);
View aboutButton = findViewById(R.id.about_button);
aboutButton.setOnClickListener(this);
View exitButton = findViewById(R.id.exit_button);
exitButton.setOnClickListener(this);

}

public void onClick(View v) {
switch (v.getId()) {
case R.id.about_button:
Intent i = new Intent(this, About.class);
startActivity(i);
break;
case R.id.video_button:
mp.reset();
mp.release();
setContentView(R.layout.video);
Video();;
break;
case R.id.audio_button:
//Intent j = new Intent(this, FileManager.class);
//Intent k = new Intent();
//startActivity(j);
Intent intent = new Intent("org.openintents.action.PICK_FILE");
startActivityForResult(intent, 1);
//mp.reset();
//Audio(filename);
break;
case R.id.exit_button:
mp.release();
finish();
break;
}
}

protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);

String filename = data.getDataString();
if (filename != null) {
// Get rid of URI prefix:
if (filename.startsWith("file://")) {
filename = filename.substring(7);
}
Audio(filename);
//AVimon.filename = filename;
}
}

/*public boolean onKeyDown(int keyCode, KeyEvent event) {
switch (keyCode) {
case KeyEvent.KEYCODE_DPAD_UP:
Audio();
break;
case KeyEvent.KEYCODE_DPAD_DOWN:
Video();
break;
}
return true;
}
*/

public void Audio(String path)
{
// Create a new MediaPlayer to play this sound
// mp = MediaPlayer.create(this, resId);

mp = new MediaPlayer();
if (mp != null) {
mp.stop();
}
try
{
mp.setDataSource(path);
mp.prepare();
} catch (IllegalArgumentException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IllegalStateException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
mp.start();
}

public void Video()
{
VideoView video = (VideoView) findViewById(R.id.video);
// Load and start the movie
video.setVideoPath("sdcard/samplevideo.3gp");
video.start();
}

}

and I am trying the audio button, but same thing happens.

getting this in logcat

02-03 06:48:29.563: WARN/System.err(1646): at dalvik.system.NativeStart.main(Native Method)
02-03 06:48:29.563: ERROR/MediaPlayer(1646): start called in state 0
02-03 06:48:29.563: ERROR/MediaPlayer(1646): error (-38, 0)
02-03 06:48:29.563: ERROR/MediaPlayer(1646): Error (-38,0)
02-03 06:48:29.593: ERROR/MediaPlayer(1646): Error (-38,0)
02-03 06:48:29.723: WARN/IInputConnectionWrapper(1582): showStatusIcon on inactive InputConnection

my Audio(String path) method works with a given file path like Audio("sdcard/a pare mukor.mp3").

I am trying to examine the oi notepad code, but when I import the code to eclipse, it shows many errors. I am using the latest android sdk. The same thing happens if I import filemanager 1.1.3 code.

You do not need to include the OI File manager in your project if you simply want to use it to select files.

Simply follow the instructions given here:
http://www.openintents.org/en/node/159
in the section "Information for developers"

There is also a sample application that you can download and study.

Let me know if you have further questions.

Peli