Initial
This commit is contained in:
U-PC-20130702OVAK\Administrator
270
lib/src/main/java/com/king/zxing/BeepManager.java
Normal file → Executable file
270
lib/src/main/java/com/king/zxing/BeepManager.java
Normal file → Executable file
@@ -1,136 +1,136 @@
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package com.king.zxing;
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/*
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* Copyright (C) 2010 ZXing authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import android.annotation.TargetApi;
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import android.app.Activity;
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import android.content.Context;
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import android.content.SharedPreferences;
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import android.content.res.AssetFileDescriptor;
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import android.media.AudioManager;
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import android.media.MediaPlayer;
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import android.os.Build;
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import android.os.Vibrator;
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import android.preference.PreferenceManager;
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import android.util.Log;
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import java.io.Closeable;
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import java.io.IOException;
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/**
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* Manages beeps and vibrations for {@link CaptureActivity}.
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*/
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public final class BeepManager implements MediaPlayer.OnErrorListener, Closeable {
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private static final String TAG = BeepManager.class.getSimpleName();
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private static final float BEEP_VOLUME = 0.10f;
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private static final long VIBRATE_DURATION = 200L;
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private final Activity activity;
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private MediaPlayer mediaPlayer;
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private boolean playBeep;
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private boolean vibrate;
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BeepManager(Activity activity) {
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this.activity = activity;
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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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synchronized void updatePrefs() {
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SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(activity);
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playBeep = shouldBeep(prefs, activity);
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// vibrate = prefs.getBoolean(Preferences.KEY_VIBRATE, false);
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if (playBeep && mediaPlayer == null) {
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// The volume on STREAM_SYSTEM is not adjustable, and users found it too loud,
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// so we now play on the music stream.
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activity.setVolumeControlStream(AudioManager.STREAM_MUSIC);
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mediaPlayer = buildMediaPlayer(activity);
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}
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}
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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) {
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Vibrator vibrator = (Vibrator) activity.getSystemService(Context.VIBRATOR_SERVICE);
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vibrator.vibrate(VIBRATE_DURATION);
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}
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}
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private static boolean shouldBeep(SharedPreferences prefs, Context activity) {
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boolean shouldPlayBeep = prefs.getBoolean(Preferences.KEY_PLAY_BEEP, true);
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if (shouldPlayBeep) {
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// See if sound settings overrides this
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AudioManager audioService = (AudioManager) activity.getSystemService(Context.AUDIO_SERVICE);
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if (audioService.getRingerMode() != AudioManager.RINGER_MODE_NORMAL) {
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shouldPlayBeep = false;
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}
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}
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return shouldPlayBeep;
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}
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@TargetApi(Build.VERSION_CODES.KITKAT)
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private MediaPlayer buildMediaPlayer(Context activity) {
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MediaPlayer mediaPlayer = new MediaPlayer();
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try (AssetFileDescriptor file = activity.getResources().openRawResourceFd(R.raw.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.setAudioStreamType(AudioManager.STREAM_MUSIC);
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mediaPlayer.setLooping(false);
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mediaPlayer.setVolume(BEEP_VOLUME, BEEP_VOLUME);
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mediaPlayer.prepare();
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return mediaPlayer;
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} catch (IOException ioe) {
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Log.w(TAG, ioe);
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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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if (what == MediaPlayer.MEDIA_ERROR_SERVER_DIED) {
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// we are finished, so put up an appropriate error toast if required and finish
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activity.finish();
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} else {
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// possibly media player error, so release and recreate
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close();
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updatePrefs();
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}
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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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if (mediaPlayer != null) {
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mediaPlayer.release();
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mediaPlayer = null;
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}
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}
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package com.king.zxing;
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/*
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* Copyright (C) 2010 ZXing authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import android.annotation.TargetApi;
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import android.app.Activity;
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import android.content.Context;
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import android.content.SharedPreferences;
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import android.content.res.AssetFileDescriptor;
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import android.media.AudioManager;
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import android.media.MediaPlayer;
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import android.os.Build;
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import android.os.Vibrator;
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import android.preference.PreferenceManager;
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import android.util.Log;
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import java.io.Closeable;
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import java.io.IOException;
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/**
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* Manages beeps and vibrations for {@link CaptureActivity}.
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*/
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public final class BeepManager implements MediaPlayer.OnErrorListener, Closeable {
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private static final String TAG = BeepManager.class.getSimpleName();
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private static final float BEEP_VOLUME = 0.10f;
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private static final long VIBRATE_DURATION = 200L;
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private final Activity activity;
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private MediaPlayer mediaPlayer;
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private boolean playBeep;
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private boolean vibrate;
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BeepManager(Activity activity) {
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this.activity = activity;
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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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synchronized void updatePrefs() {
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SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(activity);
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playBeep = shouldBeep(prefs, activity);
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// vibrate = prefs.getBoolean(Preferences.KEY_VIBRATE, false);
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if (playBeep && mediaPlayer == null) {
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// The volume on STREAM_SYSTEM is not adjustable, and users found it too loud,
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// so we now play on the music stream.
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activity.setVolumeControlStream(AudioManager.STREAM_MUSIC);
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mediaPlayer = buildMediaPlayer(activity);
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}
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}
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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) {
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Vibrator vibrator = (Vibrator) activity.getSystemService(Context.VIBRATOR_SERVICE);
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vibrator.vibrate(VIBRATE_DURATION);
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}
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}
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private static boolean shouldBeep(SharedPreferences prefs, Context activity) {
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boolean shouldPlayBeep = prefs.getBoolean(Preferences.KEY_PLAY_BEEP, true);
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if (shouldPlayBeep) {
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// See if sound settings overrides this
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AudioManager audioService = (AudioManager) activity.getSystemService(Context.AUDIO_SERVICE);
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if (audioService.getRingerMode() != AudioManager.RINGER_MODE_NORMAL) {
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shouldPlayBeep = false;
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}
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}
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return shouldPlayBeep;
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}
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@TargetApi(Build.VERSION_CODES.KITKAT)
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private MediaPlayer buildMediaPlayer(Context activity) {
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MediaPlayer mediaPlayer = new MediaPlayer();
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try (AssetFileDescriptor file = activity.getResources().openRawResourceFd(R.raw.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.setAudioStreamType(AudioManager.STREAM_MUSIC);
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mediaPlayer.setLooping(false);
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mediaPlayer.setVolume(BEEP_VOLUME, BEEP_VOLUME);
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mediaPlayer.prepare();
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return mediaPlayer;
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} catch (IOException ioe) {
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Log.w(TAG, ioe);
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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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if (what == MediaPlayer.MEDIA_ERROR_SERVER_DIED) {
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// we are finished, so put up an appropriate error toast if required and finish
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activity.finish();
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} else {
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// possibly media player error, so release and recreate
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close();
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updatePrefs();
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}
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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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if (mediaPlayer != null) {
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mediaPlayer.release();
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mediaPlayer = null;
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}
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}
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}
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