安卓:从原材料资源上播放点击一个TextView的MP3文件 [英] Android: Play mp3 file from raw resource on click of a TextView
问题描述
大家好我想起到一定的mp3文件的文本被点击时。例如,我点击单词尼古拉斯号,应用程序必须发挥nicholas.mp3 ...
Hi guys I want to play a certain mp3 file when a text is clicked. For example, I clicked the word "Nicholas", the app have to play nicholas.mp3...
对不起,我凌乱code,我是新来的Android开发人员:
Sorry for my messy code, I'm new to android dev:
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);
}
}
当我运行它,我得到一个强制关闭的错误..你对此有更好的主意?事先非常感谢!
When I run this, I'm getting a force close error.. Do you have a much better idea on this? Many thanks in advance!
推荐答案
您需要传递一个上下文实例为<一个href="http://developer.android.com/intl/zh-TW/reference/android/media/MediaPlayer.html#create%28android.content.Context,%20int%29">MediaPlayer.create方法:
You need to pass in a context instance into MediaPlayer.create method:
MediaPlayer mPlayer = MediaPlayer.create(PlayWorld.this, R.raw.aaanicholas);
此外,在创建()
通话,已执行prepare,这样你就不会需要明确地执行它,只需调用的start()
之后创建()
。
Also, after the create()
call, prepare is already executed, so you don't need to execute it explicitly, just invoke start()
right after create()
.
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