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package com.github.tvbox.osc.util; |
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import android.content.Context; |
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import android.content.SharedPreferences; |
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import android.util.Pair; |
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/** |
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* 音轨记忆 |
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*/ |
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public class AudioTrackMemory { |
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private static AudioTrackMemory instance; |
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private static SharedPreferences prefs = null; |
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private static final String PREFS_NAME = "audio_track_prefs"; |
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private static final String KEY_GROUP_SUFFIX = "_group"; |
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private static final String KEY_TRACK_SUFFIX = "_track"; |
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private AudioTrackMemory(Context context) { |
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prefs = context.getApplicationContext().getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE); |
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} |
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public static synchronized AudioTrackMemory getInstance(Context context) { |
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if (instance == null) { |
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instance = new AudioTrackMemory(context); |
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} |
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return instance; |
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} |
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public void save(String playKey, int groupIndex, int trackIndex) { |
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LOG.i("echo-AudioTrackMemory save playKey:"+playKey); |
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prefs.edit().putInt(playKey +"_exo" + KEY_GROUP_SUFFIX, groupIndex).putInt(playKey + KEY_TRACK_SUFFIX, trackIndex).apply(); |
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} |
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public void save(String playKey, int trackIndex) { |
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LOG.i("echo-AudioTrackMemory save playKey:"+playKey); |
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prefs.edit().putInt(playKey +"_ijk" + KEY_TRACK_SUFFIX, trackIndex).apply(); |
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} |
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public Pair<Integer,Integer> exoLoad(String playKey) { |
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playKey=playKey + "_exo"; |
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Pair<Integer,Integer> p; |
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int group = prefs.getInt(playKey + KEY_GROUP_SUFFIX, -1); |
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int track = prefs.getInt(playKey + KEY_TRACK_SUFFIX, -1); |
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if (group >= 0 && track >= 0) { |
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p = Pair.create(group, track); |
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return p; |
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} |
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return null; |
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} |
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public Integer ijkLoad(String playKey) { |
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playKey=playKey + "_ijk"; |
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return prefs.getInt(playKey + KEY_TRACK_SUFFIX, -1); |
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} |
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} |
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