PlayerViewModel.java
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package com.ys.yslibrary.viewmodel;
import android.content.Context;
import android.media.AudioManager;
import androidx.lifecycle.LiveData;
import androidx.lifecycle.ViewModel;
import com.iflytek.aiui.player.common.data.MetaItem;
import com.ys.yslibrary.TTSManager;
import com.ys.yslibrary.common.SingleLiveEvent;
import com.ys.yslibrary.player.AIUIPlayerWrapper;
import com.ys.yslibrary.player.PlayerState;
import org.json.JSONArray;
/**
* 播放器ViewModel
* 获得播放器状态
* 控制播放器播放，停止
*/
public class PlayerViewModel extends ViewModel {
private AudioManager mAudioManager;
private AIUIPlayerWrapper mPlayer;
private TTSManager mTTSManager;
private SingleLiveEvent<String> mPlayerTips = new SingleLiveEvent<>();
public PlayerViewModel(Context context, AIUIPlayerWrapper player, TTSManager ttsManager) {
mPlayer = player;
mTTSManager = ttsManager;
mAudioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
}
public LiveData<PlayerState> getPlayState() {
return mPlayer.getLiveState();
}
public LiveData<String> getPlayerTips() {
return mPlayerTips;
}
public LiveData<String> getLiveError() {
return mPlayer.getError();
}
public boolean playList(JSONArray list, String service) {
return mPlayer.playList(list, service);
}
public boolean anyAvailablePlay(JSONArray data, String service) {
return mPlayer.anyAvailablePlay(data, service);
}
public MetaItem play() {
return mPlayer.play();
}
//自动暂停 唤醒后自动暂停或按住说话自动暂停
public MetaItem autoPause() {
return mPlayer.autoPause();
}
public MetaItem manualPause() {
return mPlayer.manualPause();
}
public void resumeIfNeed() {
mPlayer.resumeIfNeed();
}
public MetaItem prev() {
MetaItem prev = mPlayer.prev();
if(prev == null) {
mPlayerTips.setValue("当前已经是播放列表第一项");
}
return prev;
}
public MetaItem next() {
MetaItem next = mPlayer.next();
if(next == null) {
mPlayerTips.setValue("当前已经是播放列表最后一项");
}
return next;
}
public MetaItem current() {
return mPlayer.currentMedia();
}
public boolean stop() {
mPlayer.stop();
return true;
}
public boolean isActive() {
return mPlayer.isActive();
}
public void volumeMinus() {
mAudioManager.adjustStreamVolume(AudioManager.STREAM_MUSIC, AudioManager.ADJUST_LOWER,
AudioManager.FLAG_SHOW_UI);
}
public void volumePlus() {
mAudioManager.adjustStreamVolume(AudioManager.STREAM_MUSIC, AudioManager.ADJUST_RAISE,
AudioManager.FLAG_SHOW_UI);
}
public void volumePercent(float percent) {
mAudioManager.setStreamVolume(AudioManager.STREAM_MUSIC,
(int) (mAudioManager.getStreamMaxVolume(AudioManager.STREAM_MUSIC) * percent), AudioManager.FLAG_SHOW_UI);
}
public void startTTS(String text, Runnable callback, boolean resume) {
mTTSManager.startTTS(text, callback, resume);
}
public void pauseTTS() {
mTTSManager.pauseTTS();
}
}