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如果屏幕有视频,Android调用邮件问题_Android_Email_Invoke_Android Videoview - Fatal编程技术网

如果屏幕有视频,Android调用邮件问题

如果屏幕有视频,Android调用邮件问题,android,email,invoke,android-videoview,Android,Email,Invoke,Android Videoview,我有一个活动,它有一个视频视图和一个共享按钮。点击共享按钮,它将调用邮件客户端。这是我的密码: /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.phrasevi

我有一个活动,它有一个视频视图和一个共享按钮。点击共享按钮,它将调用邮件客户端。这是我的密码:

/** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.phrasevideo);


        //extraDataHelper.getPhraseDetails(phraseId);
        btnshare = (ImageView) findViewById(R.id.btnshare);




        videoView = (VideoView) findViewById(R.id.VideoView);

        File f=new File(Environment.getExternalStorageDirectory(), "extras/hello.mp4");
        Uri video = Uri.parse(f.getAbsolutePath());            

        videoView.setVideoURI(video);
    btnshare.setVisibility(View.VISIBLE);
            }});
        videoView.start();



        btnshare.setOnTouchListener(new OnTouchListener(){

            @Override
            public boolean onTouch(View arg0, MotionEvent arg1) {
                // TODO Auto-generated method stub

                final Intent emailIntent = new Intent(android.content.Intent.ACTION_SEND);
                emailIntent.setType("text/html"); 
                emailIntent.putExtra(Intent.EXTRA_EMAIL, new String[]{""}); 
                emailIntent.putExtra(Intent.EXTRA_SUBJECT, "Language Hostess"); 
                String emailText = "<html><body><p>Hi friends</p></body></html>";
                emailIntent.putExtra(android.content.Intent.EXTRA_TEXT, Html.fromHtml(emailText));
                startActivityForResult(Intent.createChooser(emailIntent, "Email:"), 1);
                return false;
            }});

    }

一切正常。但当我在发送或丢弃邮件后返回应用程序时,视频视图只是黑色的。这里我想提到的是,共享按钮仅在视频未播放时出现。为什么会这样?问题的解决方案是什么?

首先,您需要在onTouch方法末尾返回true,以指示您已处理该事件

至于为什么“共享”按钮只在视频未播放时出现,这是因为您没有在视图中为其分配空间—保存视频的视图。您需要将其添加到上下文菜单或选项菜单中,供用户选择

至于为什么屏幕是黑色的,这可能与您在共享活动后没有处理返回活动有关。请确保定义了onReturn方法