yes thank u for quick reply.... :)
coz i did mention this question on my thread also.....
n yes it is giving me exception....IllegalStateException
but y so??
i mean i have just wrote program same as provided on d link....
my program is...
package com.privacygram.activity;
import java.io.IOException;
import android.app.Activity;
import android.content.Context;
import android.media.MediaPlayer;
import android.media.MediaRecorder;
import android.os.Bundle;
import android.os.Environment;
import android.util.Log;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.LinearLayout;
public class AudioCapturing extends Activity{
private static final String LOG_TAG = "AudioRecordTest";
private static String mFileName = null;
private RecordButton mRecordButton = null;
private MediaRecorder mRecorder = null;
private PlayButton mPlayButton = null;
private MediaPlayer mPlayer = null;
private void onRecord(boolean start) {
if (start) {
startRecording();
} else {
stopRecording();
}
}
private void onPlay(boolean start) {
if (start) {
startPlaying();
} else {
stopPlaying();
}
}
private void startPlaying() {
mPlayer = new MediaPlayer();
try {
mPlayer.setDataSource(mFileName);
mPlayer.prepare();
mPlayer.start();
} catch (IOException e) {
Log.e(LOG_TAG, "prepare() failed");
}
}
private void stopPlaying() {
mPlayer.release();
mPlayer = null;
}
private void startRecording() {
mRecorder = new MediaRecorder();
mRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
mRecorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);
mRecorder.setOutputFile(mFileName);
mRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
try {
mRecorder.prepare();
} catch (IOException e) {
Log.e(LOG_TAG, "prepare() failed");
} catch (Exception e) {
// TODO: handle exception
Log.e(LOG_TAG, "prepare() failed");
}
mRecorder.start();
}
private void stopRecording() {
mRecorder.stop();
mRecorder.release();
mRecorder = null;
}
class RecordButton extends Button {
boolean mStartRecording = true;
OnClickListener clicker = new OnClickListener() {
public void onClick(View v) {
onRecord(mStartRecording);
if (mStartRecording) {
setText("Stop recording");
} else {
setText("Start recording");
}
mStartRecording = !mStartRecording;
}
};
public RecordButton(Context ctx) {
super(ctx);
setText("Start recording");
setOnClickListener(clicker);
}
}
class PlayButton extends Button {
boolean mStartPlaying = true;
OnClickListener clicker = new OnClickListener() {
public void onClick(View v) {
onPlay(mStartPlaying);
if (mStartPlaying) {
setText("Stop playing");
} else {
setText("Start playing");
}
mStartPlaying = !mStartPlaying;
}
};
public PlayButton(Context ctx) {
super(ctx);
setText("Start playing");
setOnClickListener(clicker);
}
}
public AudioCapturing() {
Log.d("state is:",Environment.getExternalStorageState());
mFileName =
Environment.getExternalStorageDirectory().getAbsolutePath();
mFileName += "/audiorecordtest.3gp";
//mFileName =
"android.provider.MediaStore.Images.Media.INTERNAL_CONTENT_URI";
}
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
LinearLayout ll = new LinearLayout(this);
mRecordButton = new RecordButton(this);
ll.addView(mRecordButton,
new LinearLayout.LayoutParams(
ViewGroup.LayoutParams.WRAP_CONTENT,
ViewGroup.LayoutParams.WRAP_CONTENT,
0));
mPlayButton = new PlayButton(this);
ll.addView(mPlayButton,
new LinearLayout.LayoutParams(
ViewGroup.LayoutParams.WRAP_CONTENT,
ViewGroup.LayoutParams.WRAP_CONTENT,
0));
setContentView(ll);
}
@Override
public void onPause() {
super.onPause();
if (mRecorder != null) {
mRecorder.release();
mRecorder = null;
}
if (mPlayer != null) {
mPlayer.release();
mPlayer = null;
}
}
}
error is on 28,92 is for onRecord()
as prepare is failed start() is also giving error....
i dont knw what shud i write now....
thnks for help btw.....
On Dec 5, 3:52 pm, Raghav Sood <raghavs...@androidactivist.org> wrote:
> I'd say that your error is coming from one of lines 74, 30, 28 or 88. At
> least that's what the LogCat says. If you look closer, you will notice that
> your prepare() method has failed to work and has given you an exception.
>
> 12-05 16:11:39.442: ERROR/AudioRecordTest(309): prepare() failed
>
>
>
>
>
>
>
>
>
> > 12-05 16:11:39.442: ERROR/MediaRecorder(309): start called in an
> > invalid state: 4
> > 12-05 16:11:39.512: DEBUG/AndroidRuntime(309): Shutting down VM
> > 12-05 16:11:39.512: WARN/dalvikvm(309): threadid=1: thread exiting
> > with uncaught exception (group=0x4001d800)
> > 12-05 16:11:39.722: ERROR/AndroidRuntime(309): FATAL EXCEPTION: main
> > 12-05 16:11:39.722: ERROR/AndroidRuntime(309):
> > java.lang.IllegalStateException
> > 12-05 16:11:39.722: ERROR/AndroidRuntime(309): at
> > android.media.MediaRecorder.start(Native Method)
> > 12-05 16:11:39.722: ERROR/AndroidRuntime(309): at
> > com.privacygram.activity.AudioCapturing.startRecording(AudioCapturing.java:
> > 74)
> > 12-05 16:11:39.722: ERROR/AndroidRuntime(309): at
> > com.privacygram.activity.AudioCapturing.onRecord(AudioCapturing.java:
> > 30)
> > 12-05 16:11:39.722: ERROR/AndroidRuntime(309): at
> > com.privacygram.activity.AudioCapturing.access$0(AudioCapturing.java:
> > 28)
> > 12-05 16:11:39.722: ERROR/AndroidRuntime(309): at
> > com.privacygram.activity.AudioCapturing$RecordButton
> > $1.onClick(AudioCapturing.java:88)
> > 12-05 16:11:39.722: ERROR/AndroidRuntime(309): at
> > android.view.View.performClick(View.java:2408)
> > 12-05 16:11:39.722: ERROR/AndroidRuntime(309): at android.view.View
> > $PerformClick.run(View.java:8816)
> > 12-05 16:11:39.722: ERROR/AndroidRuntime(309): at
> > android.os.Handler.handleCallback(Handler.java:587)
> > 12-05 16:11:39.722: ERROR/AndroidRuntime(309): at
> > android.os.Handler.dispatchMessage(Handler.java:92)
> > 12-05 16:11:39.722: ERROR/AndroidRuntime(309): at
> > android.os.Looper.loop(Looper.java:123)
> > 12-05 16:11:39.722: ERROR/AndroidRuntime(309): at
> > android.app.ActivityThread.main(ActivityThread.java:4627)
> > 12-05 16:11:39.722: ERROR/AndroidRuntime(309): at
> > java.lang.reflect.Method.invokeNative(Native Method)
> > 12-05 16:11:39.722: ERROR/AndroidRuntime(309): at
> > java.lang.reflect.Method.invoke(Method.java:521)
> > 12-05 16:11:39.722: ERROR/AndroidRuntime(309): at
> > com.android.internal.os.ZygoteInit
> > $MethodAndArgsCaller.run(ZygoteInit.java:868)
> > 12-05 16:11:39.722: ERROR/AndroidRuntime(309): at
> > com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
> > 12-05 16:11:39.722: ERROR/AndroidRuntime(309): at
> > dalvik.system.NativeStart.main(Native Method)
> > i have written all permissions in manifest.xml....
> > can u plz help me wat am i supposed to do??
> > thnk u....
>
> You should also checkout this book. It will help you in
> life:http://www.amazon.com/Little-Oxford-English-Dictionary-Eighth/dp/0198...
>
> Thanks
>
> --
> Raghav Soodhttp://www.androidactivist.org/- Authorhttp://www.appaholics.in/-
> Founder
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