Android 单击文本视图即可从原始资源播放mp3文件
我想在单击文本时播放某个mp3文件。例如,我点击“Nicholas”一词,应用程序必须播放Nicholas.mp3 对不起,我的代码太乱了,我是android开发者的新手:Android 单击文本视图即可从原始资源播放mp3文件,android,mp3,listener,media-player,Android,Mp3,Listener,Media Player,我想在单击文本时播放某个mp3文件。例如,我点击“Nicholas”一词,应用程序必须播放Nicholas.mp3 对不起,我的代码太乱了,我是android开发者的新手: package com.example.playword; import java.io.IOException; import android.app.Activity; import android.media.MediaPlayer; import android.os.Bundle; //import andro
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);
}
}
当我运行这个时,我得到一个强制关闭错误。您对此有更好的想法吗?您需要将上下文实例传递到方法:
另外,在
create()
调用之后,prepare已经执行,因此您不需要显式执行它,只需在create()
之后立即调用start()
,当您创建mPlayer
对象时,您应该将上下文传递给它,这是您的游戏词
MediaPlayer mPlayer = MediaPlayer.create(FakeCallScreen.this, R.raw.mysoundfile);
mPlayer.start();
您可以使用isplay()方法了解音乐播放与否请避免只给出代码答案。试着解释一下你的代码是如何解决OP的问题的。如果你能提供一些背景和说明,这对每个人都更有帮助,尤其是那些经验比你少的人。只是补充一下,还要尝试实现AudioFocus
MediaPlayer mPlayer = MediaPlayer.create(FakeCallScreen.this, R.raw.mysoundfile);
mPlayer.start();
val mediaPlayer = MediaPlayer.create(this,R.raw.music)
mediaPlayer.isLooping=true
mediaPlayer.start()
music_on_off_button.setOnClickListener {
if (mediaPlayer.isPlaying){
mediaPlayer.pause()
}else{
mediaPlayer.start()
}
}