0
AudioRecordクラスの使用に問題があります。私はいくつかの基本的なアプリケーションを作成しましたが、私はオーディオの録音に間違って何をしているのか分かりません。まず第一に、私は「捕まえられないハンドラ」を手に入れて、何も打ち上げることはありません。次に、音を録音して停止して再生するために何が必要なのかよく分かりません。それは何ですか.start、停止はすべて行い、どのように使用するのですか。ここでAndroid Uncaught Handler：キャッチされていない例外のためにメインスレッドが終了する
package com.dustin.audioRecord;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.media.AudioFormat;
import android.media.AudioRecord;
import android.media.MediaRecorder;
//import android.media.MediaRecorder.AudioSource;
//import android.media.MediaRecorder.AudioEncoder;
public class AudioRecordActivity extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
final Button record_button = (Button)findViewById(R.id.record_button);
final Button stop_button = (Button)findViewById(R.id.stop_button);
//final Button play_button = (Button)findViewById(R.id.play_button);
//int audioSource = 0;
int sampleRateInHz = 44100;
int channelConfig = AudioFormat.CHANNEL_IN_MONO;
int audioFormat = AudioFormat.ENCODING_PCM_16BIT;
final int bufferSizeInBytes = AudioRecord.getMinBufferSize(sampleRateInHz,
channelConfig,
audioFormat);
//final MediaRecorder recorder = new MediaRecorder();
final AudioRecord record = new AudioRecord(MediaRecorder.AudioSource.MIC,
sampleRateInHz,
audioFormat,
channelConfig,
bufferSizeInBytes);
//final byte[] tempBuffer = new byte[bufferSizeInBytes];
record_button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
record.getAudioFormat();
record.startRecording();
//int buffer = record.read(tempBuffer, 0, bufferSizeInBytes);
}
});
stop_button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
record.stop();
record.release();
}
});
}
//public static final int RECORDSTATE_RECORDING = 3;
//public static final int RECORDSTATE_STOPPED = 1;
//public static final int RECORDSTATE_INITIALIZED = 1;
//public static final int MIC = 1;
//public static final int RECORDSTATE_UNINITIALIZED = 0;
}
logcatを読み出すです：あなたの例外で
11-15 11:36:25.498: W/dalvikvm(349): threadid=3: thread exiting with uncaught exception (group=0x4001b188)
11-15 11:36:25.498: E/AndroidRuntime(349): Uncaught handler: thread main exiting due to uncaught exception
11-15 11:36:25.558: E/AndroidRuntime(349): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.dustin.audioRecord/com.dustin.audioRecord.AudioRecordActivity}: java.lang.IllegalArgumentException: Unsupported sample encoding. Should be ENCODING_PCM_8BIT or ENCODING_PCM_16BIT.
11-15 11:36:25.558: E/AndroidRuntime(349): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2496)
11-15 11:36:25.558: E/AndroidRuntime(349): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2512)
11-15 11:36:25.558: E/AndroidRuntime(349): at android.app.ActivityThread.access$2200(ActivityThread.java:119)
11-15 11:36:25.558: E/AndroidRuntime(349): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1863)
11-15 11:36:25.558: E/AndroidRuntime(349): at android.os.Handler.dispatchMessage(Handler.java:99)
11-15 11:36:25.558: E/AndroidRuntime(349): at android.os.Looper.loop(Looper.java:123)
11-15 11:36:25.558: E/AndroidRuntime(349): at android.app.ActivityThread.main(ActivityThread.java:4363)
11-15 11:36:25.558: E/AndroidRuntime(349): at java.lang.reflect.Method.invokeNative(Native Method)
11-15 11:36:25.558: E/AndroidRuntime(349): at java.lang.reflect.Method.invoke(Method.java:521)
11-15 11:36:25.558: E/AndroidRuntime(349): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860)
11-15 11:36:25.558: E/AndroidRuntime(349): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618)
11-15 11:36:25.558: E/AndroidRuntime(349): at dalvik.system.NativeStart.main(Native Method)
11-15 11:36:25.558: E/AndroidRuntime(349): Caused by: java.lang.IllegalArgumentException: Unsupported sample encoding. Should be ENCODING_PCM_8BIT or ENCODING_PCM_16BIT.
11-15 11:36:25.558: E/AndroidRuntime(349): at android.media.AudioRecord.audioParamCheck(AudioRecord.java:305)
11-15 11:36:25.558: E/AndroidRuntime(349): at android.media.AudioRecord.<init>(AudioRecord.java:223)
11-15 11:36:25.558: E/AndroidRuntime(349): at com.dustin.audioRecord.AudioRecordActivity.onCreate(AudioRecordActivity.java:33)
11-15 11:36:25.558: E/AndroidRuntime(349): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
11-15 11:36:25.558: E/AndroidRuntime(349): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2459)
11-15 11:36:25.558: E/AndroidRuntime(349): ... 11 more
11-15 11:36:25.578: I/dalvikvm(349): threadid=7: reacting to signal 3
11-15 11:36:25.598: I/dalvikvm(349): Wrote stack trace to '/data/anr/traces.txt'