I have devlope application in which i can record audio and store it in sd card but here raise some problem which i have mention here:: and also confuse in this line AudioRecorder2 au = new AudioRecorder2(""); is that which path i could set?
3 rd Update ::
LOGCAT ::
10-25 11:55:07.726: ERROR/AndroidRuntime(751): Uncaught handler: thread main exiting due to uncaught exception
10-25 11:55:07.736: ERROR/AndroidRuntime(751): java.lang.IllegalStateException
10-25 11:55:07.736: ERROR/AndroidRuntime(751): at android.media.MediaRecorder.start(Native Method)
10-25 11:55:07.736: ERROR/AndroidRuntime(751): at com.testAudio.testAudio1.startRecording(testAudio1.java:74)
10-25 11:55:07.736: ERROR/AndroidRuntime(751): at com.testAudio.testAudio1.onRecord(testAudio1.java:31)
10-25 11:55:07.736: ERROR/AndroidRuntime(751): at com.testAudio.testAudio1.access$0(testAudio1.java:29)
10-25 11:55:07.736: ERROR/AndroidRuntime(751): at com.testAudio.testAudio1$RecordButton$1.onClick(testAudio1.java:88)
10-25 11:55:07.736: ERROR/AndroidRuntime(751): at android.view.View.performClick(View.java:2179)
10-25 11:55:07.736: ERROR/AndroidRuntime(751): at android.view.View.onTouchEvent(View.java:3828)
10-25 11:55:07.736: ERROR/AndroidRuntime(751): at android.widget.TextView.onTouchEvent(TextView.java:6291)
10-25 11:55:07.736: ERROR/AndroidRuntime(751): at android.view.View.dispatchTouchEvent(View.java:3368)
10-25 11:55:07.736: ERROR/AndroidRuntime(751): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:863)
10-25 11:55:07.736: ERROR/AndroidRuntime(751): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:863)
10-25 11:55:07.736: ERROR/AndroidRuntime(751): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:863)
10-25 11:55:07.736: ERROR/AndroidRuntime(751): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:863)
10-25 11:55:07.736: ERROR/AndroidRuntime(751): at com.android.internal.policy.impl.PhoneWindow$DecorView.superDispatchTouchEvent(PhoneWindow.java:1707)
10-25 11:55:07.736: ERROR/AndroidRuntime(751): at com.android.internal.policy.impl.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1197)
10-25 11:55:07.736: ERROR/AndroidRuntime(751): at android.app.Activity.dispatchTouchEvent(Activity.java:1993)
10-25 11:55:07.736: ERROR/AndroidRuntime(751): at com.android.internal.policy.impl.PhoneWindow$DecorView.dispatchTouchEvent(PhoneWindow.java:1691)
10-25 11:55:07.736: ERROR/AndroidRuntime(751): at android.view.ViewRoot.handleMessage(ViewRoot.java:1525)
10-25 11:55:07.736: ERROR/AndroidRuntime(751): at android.os.Handler.dispatchMessage(Handler.java:99)
10-25 11:55:07.736: ERROR/AndroidRuntime(751): at android.os.Looper.loop(Looper.java:123)
10-25 11:55:07.736: ERROR/AndroidRuntime(751): at android.app.ActivityThread.main(ActivityThread.java:3948)
10-25 11:55:07.736: ERROR/AndroidRuntime(751): at java.lang.reflect.Method.invokeNative(Native Method)
10-25 11:55:07.736: ERROR/AndroidRuntime(751): at java.lang.reflect.Method.invoke(Method.java:521)
10-25 11:55:07.736: ERROR/AndroidRuntime(751): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:782)
10-25 11:55:07.736: ERROR/AndroidRuntime(751): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:540)
10-25 11:55:07.736: ERROR/AndroidRuntime(751): at dalvik.system.NativeStart.main(Native Method)
Main Activity :
package com.testAudio;
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 testAudio1 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");
}
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 testAudio1() {
mFileName = Environment.getExternalStorageDirectory().getAbsolutePath();
mFileName += "/audiorecordtest.3gp";
}
@Override
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;
}
}
}
Manifest
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.testAudio"
android:versionCode="1"
android:versionName="1.0">
<uses-sdk android:minSdkVersion="3" />
<uses-permission android:name="android.permission.RECORD_AUDIO"></uses-permission>
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"></uses-permission>
<application android:icon="@drawable/icon" android:label="@string/app_name">
<activity android:name=".testAudio1"
android:label="@string/app_name">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
From your this exception:
This exception says that class is missing to load at runtime so i am sure you have defined
android:nameattribute in<application>tag inside the AndroidManifest.xml file.If you have defined this attribute then remove it and check it again.