package wxy.com;
import android.R.bool;
import android.app.Activity;
import android.os.Bundle;
import android.app.Activity;
import android.widget.LinearLayout;
import android.os.Bundle;
import android.os.Environment;
import android.view.ViewGroup;
import android.widget.Button;
import android.view.View;
import android.view.View.OnClickListener;
import android.content.Context;
import android.util.Log;
import android.media.MediaRecorder;
import android.media.MediaPlayer;
import java.io.IOException;
public class RecordingActivity 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 boolean flag=true;
private myThread thread=null;
private void onRecord(boolean start) {
if (start) {
flag=true;
startRecording();
} else {
if(thread!=null)
thread.exit();
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.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
// mRecorder.setOutputFile("/dev/null");
mRecorder.setOutputFile(mFileName);
try {
mRecorder.prepare();
} catch (IOException e) {
Log.e(LOG_TAG, "prepare() failed");
}
mRecorder.start();
thread=new myThread();
thread.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 void AudioRecordTest() {
mFileName = Environment.getExternalStorageDirectory().getAbsolutePath();
mFileName += "/audiorecordtest.3gp";
}
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
AudioRecordTest();
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;
}
}
private class myThread extends Thread{
myThread(){
}
public void exit()
{
flag=false;
while(!flag);//nice`!
}
public void run(){
while(flag){
int x=mRecorder.getMaxAmplitude();
if(x!=0){
double f=10*Math.log(x)/Math.log(10);
Log.d(LOG_TAG, ""+f);
}
}
flag=true;
}
}
}
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Android 测试周围环境分贝的功能源码-IT计算机-毕业设计.zip (27个子文件)
Android 测试周围环境分贝的功能源码
Android 测试周围环境分贝的功能源码
recording
bin
classes.dex 7KB
wxy
com
R$layout.class 361B
R$drawable.class 367B
RecordingActivity$PlayButton$1.class 1KB
RecordingActivity$PlayButton.class 1KB
R$attr.class 307B
R.class 423B
RecordingActivity.class 4KB
RecordingActivity$RecordButton$1.class 1KB
R$string.class 394B
RecordingActivity$RecordButton.class 1KB
RecordingActivity$myThread.class 1KB
resources.ap_ 10KB
recording.apk 15KB
res
drawable-ldpi
icon.png 2KB
drawable-hdpi
icon.png 4KB
values
strings.xml 177B
drawable-mdpi
icon.png 3KB
layout
main.xml 382B
assets
default.properties 362B
gen
wxy
com
R.java 629B
proguard.cfg 1KB
src
wxy
com
RecordingActivity.java 5KB
.project 845B
.classpath 280B
AndroidManifest.xml 880B
1-12101Q403540-L.png 35KB
共 27 条
- 1
资源评论
- 爱九日九日2022-10-02果断支持这个资源,资源解决了当前遇到的问题,给了新的灵感,感谢分享~
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