如何在Android的按钮点击后播放视频 [英] How to play video in android after Button click

问题描述

我想点击一个按钮后，在设计为Android的播放视频的简单code，但我收到未知的问题。我的present项目下面的文件。我现在很无能。请指出的事，或解决这个问题。再次感谢！

 公共类VideoActivity延伸活动{
    VideoView视频;
    公共无效的onCreate（捆绑savedInstanceState）{        super.onCreate（savedInstanceState）;        的setContentView（R.layout.main）;
        玩=（按钮）findViewById（R.id.button1）;
        play.setOnClickListener（新View.OnClickListener（）{
           公共无效的onClick（视图v）{               VideoView myVideoView =（VideoView）findViewById（R.id.myvideoview）;
               myVideoView.setVideoPath（到/ mnt / usb_storage / vivek.3gp）;
               myVideoView.setMediaController（新的MediaController（本））;
               myVideoView.requestFocus（）;
               myVideoView.start（）;
           }
        }）;    }
}
 

解决方案

  btnPlay.setOnClickListener（新View.OnClickListener（）
            {
                @覆盖
                公共无效的onClick（视图v）
                {
                    尝试
                    {
                        videoView.setVideoPath（将videoPath）;
                        videoView.setMediaController（新的MediaController（广告应用程式上下文或YourActivity.this））;
                        videoView.start（）;                    }
                    赶上（例外五）
                    {
                        e.printStackTrace（）;
                        的System.out.println（在btnInfo错误点击 - ＆gt;中+ e.toString（））;
                    }
                }
            }）;
            // BtnPlay
 

I am trying to design simple code in android for play video after a button click but i am getting unknown problem. My present project files below. I am clueless right now. Please point out a thing or solve this problem. Thanks again!

public class VideoActivity extends Activity {
    VideoView video;
    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.main);
        play = (Button)findViewById(R.id.button1);


        play.setOnClickListener(new View.OnClickListener() {
           public void onClick(View v) {

               VideoView myVideoView = (VideoView)findViewById(R.id.myvideoview);
               myVideoView.setVideoPath("/mnt/usb_storage/vivek.3gp");
               myVideoView.setMediaController(new MediaController(this));
               myVideoView.requestFocus();
               myVideoView.start();
           }
        });

    }
}

解决方案

btnPlay.setOnClickListener(new View.OnClickListener() 
            {
                @Override
                public void onClick(View v) 
                {
                    try 
                    {
                        videoView.setVideoPath(videoPath);
                        videoView.setMediaController(new MediaController(Applicaion Context or YourActivity.this));
                        videoView.start();

                    }
                    catch (Exception e) 
                    {
                        e.printStackTrace();
                        System.out.println("Error in btnInfo Click -->"+e.toString());
                    }
                }
            });
            //BtnPlay

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