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POHow to Confirm that Child Activity has been finished before starting that child again?
 

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  1. POHow to Confirm that Child Activity has been finished before starting that child again?
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    <p>I have a parent activity A which has two childs activities B and C. When I open Parent Activity A it decides which child activity have to open. (function using <code>startActivityForResult</code>) eg. A decide to open B. B plays Video and return result to back. thats fine next if A decide to open B again. B is not opening fine (not playing video). </p> <p><strong>Note:</strong> Following is Fine:</p> <p>A-->B and A&lt;--B</p> <p>then</p> <p>A-->C and A&lt;--C</p> <p>then</p> <p>A-->B and A&lt;--B</p> <p>But Following is Not Working:</p> <p>A-->B and A&lt;--B</p> <p>then</p> <p>A-->B and A&lt;--B //When try to move again on B. I think A is calling B again before it finished</p> <p>then</p> <p>A-->C and A&lt;--C</p> <p>Any Idea to solve this problem??</p> <p>Mean how can i get that child activity has beed finished before calling that child again??</p> <p>Following is the code of Parent Activity:</p> <pre><code>@Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); Log.d(Constants.TAG,"requestCode: "+requestCode+" : resultCode : "+ resultCode); finishActivity(requestCode); playProgram(requestCode); } private void playProgram(int requestCode){ if(requestCode == QUESTION_WRAPPER){ currentChap = currentChap + 1; Intent intent = new Intent(MovieWrapperActivity.this, VideoWrapperActivity.class); intent.putExtra("chaptertoplay", currentChap); intent.putExtra("videofile", Constants.mCourse.getmChapters().get(currentChap).getVideoURL()); startActivityForResult(intent, MOVIE_WRAPPER); }else if(requestCode == MOVIE_WRAPPER) { if(Constants.mCourse.getmChapters().get(currentChap).isQuiz()){ Intent in2 = new Intent(MovieWrapperActivity.this, QuestionWrapper.class); in2.putExtra("chaptertoplay", currentChap); startActivityForResult(in2, QUESTION_WRAPPER); }else{ currentChap = currentChap + 1; Intent intent = new Intent(MovieWrapperActivity.this, VideoWrapperActivity.class); intent.putExtra("chaptertoplay", currentChap); intent.putExtra("videofile", Constants.mCourse.getmChapters().get(currentChap).getVideoURL()); startActivityForResult(intent, MOVIE_WRAPPER); } } } </code></pre> <p>Code of B:</p> <pre><code>protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); if (!io.vov.vitamio.LibsChecker.checkVitamioLibs(this)) return; setContentView(R.layout.videoview); init(); mVideoView = (VideoView) findViewById(R.id.surface_view); mVideoView.setVideoPath(videoPath); mVideoView.setVideoQuality(MediaPlayer.VIDEOQUALITY_HIGH); mController = new MediaController(this); mVideoView.setMediaController(mController); mVideoView.setOnCompletionListener(new OnCompletionListener() { @Override public void onCompletion(MediaPlayer arg0) { Log.d(Constants.TAG,"Completed"); Intent returnIntent = new Intent(); setResult(RESULT_OK, returnIntent); mVideoView = null; mController = null; finish(); } }); } </code></pre> <p>I think Media Elements in B are taking time to destroy or not even being destroyed.</p>
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    1. USAhmed Nawaz
    1. USAhmed Nawaz
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      1. POHow to Confirm that Child Activity has been finished before starting that child again?
      1. USAhmed Nawaz
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    1. CO"Calling it before it finished" is impossible. If you're returning to A, B is closed. Maybe (just maybe), B might be closing down when `onActivityResult` is called but anywhere else in A should be fine. Post your code.
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      1. POHow to Confirm that Child Activity has been finished before starting that child again?
      1. USDelyan
    2. CO`B might be closing down when onActivityResult` Yes this is happening.
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      1. POHow to Confirm that Child Activity has been finished before starting that child again?
      1. USAhmed Nawaz
    3. CODon't try to restart `B` in `onActivityResult` (it's a bit outside of the lifecycle events). Set a flag and restart `B` from, say, `A.onStart()`
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      1. POHow to Confirm that Child Activity has been finished before starting that child again?
      1. USDelyan
 

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