安卓如何在回收视图中启动新声音时停止媒体播放器

Question

我试图找到解决方案，但找不到。

我的问题是我在回收视图中有很多项目。每个项目都有图像，当我单击该图像时，它会开始发出该图像的声音。问题是当我开始新声音时，以前的声音不会停止，它会继续播放直到声音结束。单击15后，20声音应用程序崩溃，我收到此错误消息：

电子/媒体播放器： 错误 （1， -19）

不知何故，当我单击新声音时，我需要实现先前声音的释放和停止。我试图找到解决方案，但我找不到回收视图。

这是我的适配器代码：

import android.content.Context;
import android.media.MediaPlayer;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;
import com.bumptech.glide.Glide;
import java.util.List;
public class ZivotinjeAdapter extends RecyclerView.Adapter<ZivotinjeAdapter.ViewHolder> {
    @Override
    public ZivotinjeAdapter.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        Context context = parent.getContext();
        LayoutInflater inflater = LayoutInflater.from(context);
        // Inflate the custom layout
        View contactView = inflater.inflate(R.layout.item_zivotinje, parent, false);
        // Return a new holder instance
        ViewHolder viewHolder = new ViewHolder(contactView);
        return viewHolder;
    }
    @Override
    public void onBindViewHolder(ZivotinjeAdapter.ViewHolder viewHolder, int position) {
        Zivotinje zivotinjeIme = mZivotinje.get(position);
        // Set item views based on the data model
        TextView textView = viewHolder.nameTextView;
        textView.setText(zivotinjeIme.getmAnimal_name());
        //THIS IS WHERE I HANDALE IMAGE VIEW. Using glide for images
        ImageView slika_source = viewHolder.imageView;
        Glide.with(slika_source.getContext())
                .load((Integer) zivotinjeIme.getmAnimal_slika())
                .into(slika_source);
        viewHolder.setItem(mZivotinje.get(position));
    }
    @Override
    public int getItemCount() {
        return mZivotinje.size();
    }
    public static class ViewHolder extends RecyclerView.ViewHolder {
        public ImageView imageView;
        public TextView nameTextView;
        private Zivotinje mItem;
        public void setItem(Zivotinje item) {
            this.mItem = item;
        }
        public ViewHolder(final View itemView) {
            super(itemView);
            nameTextView = (TextView) itemView.findViewById(R.id.zivotinjaIme_id);
            imageView = (ImageView) itemView.findViewById(R.id.slika_id);
            
//this is click event for each item and here i play sound
            itemView.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    MediaPlayer mediaPlayer = MediaPlayer.create(v.getContext(), mItem.getmSound());
                    mediaPlayer.start();
                }
            });
        }
    }
    private List<Zivotinje> mZivotinje;
    public ZivotinjeAdapter(List<Zivotinje> animals) {
        mZivotinje = animals;
    }

}

Answer 1

添加以下内容：

@Override
public void onClick(View v) {
stopPlaying();  <-------            
MediaPlayer mediaPlayer =   MediaPlayer.create(v.getContext(),mItem.getmSound());
mediaPlayer.start();}

而这个：

.......
public ZivotinjeAdapter(List<Zivotinje> animals) {
    mZivotinje = animals;
}
private void stopPlaying() {
    if(mediaPlayer != null && mediaPlayer.isPlaying())
    {
        mediaPlayer.stop();
        mediaPlayer.reset();
        mediaPlayer.release();
        mediaPlayer = null;
    }
}