我想在点击文本时播放某个mp3文件。例如,我点击了单词"Nicholas",这个应用程序必须播放nicholas.mp3。
很抱歉我的代码太乱了,我是android开发新手:
package com.example.playword;
import java.io.IOException;
import android.app.Activity;
import android.media.MediaPlayer;
import android.os.Bundle;
//import android.os.Handler;
import android.view.View;
//import android.view.View.OnClickListener;
//import android.widget.Button;
import android.widget.TextView;
public class PlayWord extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
//final Handler mHandler = new Handler();
final TextView nicholas = (TextView) findViewById(R.id.nicholas);
final TextView was = (TextView) findViewById(R.id.was);
nicholas.setText("Nicholas ");
was.setText("was ");
/*
Button btn = (Button) (findViewById(R.id.nicholasBtn));
btn.setOnClickListener(new OnClickListener(){
@Override
public void onClick(View v) {
nicholas.setText("Nicholas (Clicked!) ");
}
});
*/
View.OnClickListener handler = new View.OnClickListener(){
public void onClick(View v) {
switch (v.getId()) {
case R.id.nicholas: // doStuff
MediaPlayer mPlayer = MediaPlayer.create(null, R.raw.aaanicholas);
try {
mPlayer.prepare();
} catch (IllegalStateException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
mPlayer.start();
nicholas.setText("Nicholas (Clicked!) ");
break;
case R.id.was: // doStuff
MediaPlayer mPlayer1 = MediaPlayer.create(null, R.raw.aaawas);
try {
mPlayer1.prepare();
} catch (IllegalStateException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
mPlayer1.start();
was.setText("was (Clicked!) ");
break;
}
}
};
findViewById(R.id.nicholas).setOnClickListener(handler);
findViewById(R.id.was).setOnClickListener(handler);
}
}
当我运行这个的时候,我得到了一个强制关闭错误。你对此有更好的想法吗?
发布于 2011-03-29 09:30:22
您需要将上下文实例传入MediaPlayer.create方法:
MediaPlayer mPlayer = MediaPlayer.create(PlayWorld.this, R.raw.aaanicholas);
而且,在create()
调用之后,prepare已经执行了,所以您不需要显式地执行它,只需在create()
之后调用start()
即可。
发布于 2011-03-29 09:32:40
当您创建mPlayer
对象时,您应该将上下文传递给它,在本例中是PlayWord.this
。
发布于 2017-01-01 02:43:37
MediaPlayer mPlayer = MediaPlayer.create(FakeCallScreen.this, R.raw.mysoundfile);
mPlayer.start();
https://stackoverflow.com/questions/5466882
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