Android中实现带声音提示的Toast

来源：互联网发布：淘宝大牛韩代mlb正品吗编辑：程序博客网时间：2024/04/30 11:30

<span style="font-size:18px;"><strong>package weibo.lixiaodaoaaa.view;

import weibo.lixiaodaoaaa.ui.R;
import android.content.Context;
import android.media.MediaPlayer;
import android.util.DisplayMetrics;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.TextView;
import android.widget.Toast;

/**
* 带声音提示的Toast自定义 Toast控件
*
* @author http://weibo.com/lixiaodaoaaa http://t.qq.com/lixiaodaoaaa
* @version 0.1
* @created 2013-4-23
*/
public class MyToast extends Toast
{
private MediaPlayer mPlayer;
private boolean isSound;

   public MyToast(Context context)
   {
      this(context, false);
   }

   // isSound 表示是否播放音乐;;;;
   public MyToast(Context context, boolean isSound)
   {
      super(context);

this.isSound = isSound;

      mPlayer = MediaPlayer.create(context, R.raw.allsuccess);
      mPlayer.setOnCompletionListener(new MediaPlayer.OnCompletionListener()
      {
         @Override
         public void onCompletion(MediaPlayer mp)
         {
            mp.release();// 释放资源。让资源得到释放;;
         }
      });
   }

   @Override
   public void show()
   {
      super.show();
      if (isSound)
      {
         mPlayer.start();
      }
   }

   /**
    * 设置是否播放声音
    */
   public void setIsSound(boolean isSound)
   {
      this.isSound = isSound;
   }

   /**
    * 获取控件实例
    *
    * @param context
    * @param text
    *            提示消息
    * @param isSound
    *            是否播放声音
    * @return
    */
   public static MyToast show(Context context, CharSequence text, boolean isSound, int duration)
   {
      MyToast result = new MyToast(context, isSound);
      LayoutInflater inflate = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
      DisplayMetrics dm = context.getResources().getDisplayMetrics();
      View v = inflate.inflate(R.layout.new_data_toast, null);
      // v.setMinimumWidth(dm.widthPixels);// 设置控件最小宽度为手机屏幕宽度
      TextView tv = (TextView) v.findViewById(R.id.new_data_toast_message);
      tv.setText(text);
      result.setView(v);
      result.setDuration(duration);// 设置显示多长时间;;;;
      result.setGravity(Gravity.BOTTOM, 0, (int) (dm.density * 85));
      return result;
   }

}
</strong></span>