单击TextView即可从原始资源播放mp3文件 [英] Play mp3 file from raw resource on click of a TextView

问题描述

我想在单击文本时播放某个mp3文件.例如，我单击了单词"Nicholas"，该应用程序必须播放nicholas.mp3.

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，我的代码混乱，我是android dev的新手:

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);
        
    }
}

运行此命令时，出现强制关闭错误.您对此有更好的主意吗?

When I run this, I'm getting a force close error. Do you have a much better idea on this?

推荐答案

您需要将上下文实例传递到

You need to pass in a context instance into MediaPlayer.create method:

MediaPlayer mPlayer = MediaPlayer.create(PlayWorld.this, R.raw.aaanicholas);

此外，在 create()调用之后，prepare已经执行，因此您无需显式执行它，只需在 create().

Also, after the create() call, prepare is already executed, so you don't need to execute it explicitly, just invoke start() right after create().

这篇关于单击TextView即可从原始资源播放mp3文件的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！