101 lines
2.8 KiB
Java
101 lines
2.8 KiB
Java
package com.king.zxing.manager;
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import android.content.Context;
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import android.content.res.AssetFileDescriptor;
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import android.media.MediaPlayer;
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import android.os.Build;
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import android.os.VibrationEffect;
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import android.os.Vibrator;
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import com.king.zxing.R;
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import com.king.zxing.util.LogUtils;
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import java.io.Closeable;
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/**
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* 蜂鸣音效管理器：主要用于播放蜂鸣提示音和振动效果
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*
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* @author <a href="mailto:jenly1314@gmail.com">Jenly</a>
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*/
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public final class BeepManager implements MediaPlayer.OnErrorListener, Closeable {
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private static final long VIBRATE_DURATION = 200L;
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private final Context context;
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private MediaPlayer mediaPlayer;
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private Vibrator vibrator;
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private boolean playBeep;
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private boolean vibrate;
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public BeepManager(Context context) {
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this.context = context;
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this.mediaPlayer = null;
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updatePrefs();
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}
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public void setVibrate(boolean vibrate) {
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this.vibrate = vibrate;
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}
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public void setPlayBeep(boolean playBeep) {
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this.playBeep = playBeep;
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}
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private synchronized void updatePrefs() {
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if (mediaPlayer == null) {
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mediaPlayer = buildMediaPlayer(context);
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}
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if (vibrator == null) {
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vibrator = (Vibrator) context.getSystemService(Context.VIBRATOR_SERVICE);
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}
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}
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public synchronized void playBeepSoundAndVibrate() {
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if (playBeep && mediaPlayer != null) {
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mediaPlayer.start();
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}
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if (vibrate && vibrator.hasVibrator()) {
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
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vibrator.vibrate(VibrationEffect.createOneShot(VIBRATE_DURATION, VibrationEffect.DEFAULT_AMPLITUDE));
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} else {
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vibrator.vibrate(VIBRATE_DURATION);
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}
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}
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}
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private MediaPlayer buildMediaPlayer(Context context) {
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MediaPlayer mediaPlayer = new MediaPlayer();
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try {
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AssetFileDescriptor file = context.getResources().openRawResourceFd(R.raw.zxl_beep);
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mediaPlayer.setDataSource(file.getFileDescriptor(), file.getStartOffset(), file.getLength());
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mediaPlayer.setOnErrorListener(this);
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mediaPlayer.setLooping(false);
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mediaPlayer.prepare();
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return mediaPlayer;
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} catch (Exception e) {
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LogUtils.w(e);
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mediaPlayer.release();
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return null;
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}
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}
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@Override
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public synchronized boolean onError(MediaPlayer mp, int what, int extra) {
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close();
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updatePrefs();
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return true;
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}
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@Override
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public synchronized void close() {
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try {
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if (mediaPlayer != null) {
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mediaPlayer.release();
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mediaPlayer = null;
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}
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} catch (Exception e) {
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LogUtils.e(e);
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}
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}
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} |