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POandroid:play audio files and display images dynamically
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copied!<p>Hi guys i am having 3 audio files and three images with three text displaying for each image. Now what i have done as soon as application starts the first image,text and audio file starts playing and after completion of that 2nd one starts similarly 3rd one starts.</p> <p>Basically i need these to played sequentially one after the other but dynamically since i am having some 20 files similar to this</p> <p>below is my code</p> <pre><code>public class S001Activity extends Activity { /** Called when the activity is first created. */ ImageView img; TextView display; MediaPlayer apple = new MediaPlayer(); MediaPlayer boy = new MediaPlayer(); MediaPlayer cat = new MediaPlayer(); //Runnable rb,rc; Document doc; DocumentBuilder builder; Handler handler = new Handler(); int i=0; int noOfQues = 0; //int media[] = {R.raw.apple_v,R.raw.boy_v,R.raw.cat_v}; //int image[] = {R.drawable.apple,R.drawable.boy,R.drawable.cat}; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); img = (ImageView)findViewById(R.id.img); display = (TextView)findViewById(R.id.display); img.setBackgroundResource(R.drawable.apple); apple = MediaPlayer.create(this, R.raw.apple_v); apple.start(); xml(); boy = MediaPlayer.create(this, R.raw.boy_v); handler.postDelayed(new Runnable() { @Override public void run() { // TODO Auto-generated method stub i++; img.setBackgroundResource(R.drawable.boy); boy.start(); xml(); } },apple.getDuration()+ 2000 ); cat = MediaPlayer.create(this, R.raw.cat_v); handler.postDelayed(new Runnable() { @Override public void run() { // TODO Auto-generated method stub i++; img.setBackgroundResource(R.drawable.cat); cat.start(); xml(); } },apple.getDuration()+ boy.getDuration()+ 2000 ); } public void xml(){ try { InputStream in = getResources().openRawResource(R.raw.topic1761); builder = DocumentBuilderFactory.newInstance().newDocumentBuilder(); doc = builder.parse(in, null); NodeList listOfPersons = doc.getElementsByTagName("Point"); noOfQues = listOfPersons.getLength(); System.out.println("items======= " + noOfQues); Node firstPersonNode = listOfPersons.item(i); Element firstPersonElement = (Element) firstPersonNode; NodeList firstNameList = firstPersonElement.getElementsByTagName("PracticeText"); Element firstNameElement = (Element) firstNameList.item(0); NodeList textFNList = firstNameElement.getChildNodes(); display.setText(((Node) textFNList.item(0)).getNodeValue().trim()); } catch (Throwable t) { Toast.makeText(this, "Exception: " + t.toString(), 2000).show(); } } </code></pre> <p>edited code</p> <pre><code>@Override public void onCompletion(MediaPlayer mps) { // TODO Auto-generated method stub //MediaPlayer mps = new MediaPlayer(); img.setBackgroundResource(image[i]); handler.post(new Runnable() { @Override public void run() { xml(); AssetFileDescriptor afd = getResources().openRawResourceFd(media[i]); mp.reset(); try { mp.setDataSource(afd.getFileDescriptor()); afd.close(); mp.prepare(); mp.start(); } catch (IllegalArgumentException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IllegalStateException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } }); } </code></pre>

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