n sorry for bad english.....
On Dec 5, 5:25 pm, rachana govilkar <rachana.govil...@gmail.com>
wrote:
> 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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