yea, i was using the AlertDialog, and I used the AlertDialog.Builder to create it. I will try what you suggested.
Thanks, Skooter :-) On Dec 30, 3:38 am, "RAJENDIRAN SUNDARRAJAN-CPB738" <cpb...@motorola.com> wrote: > Hi.. > > Yes you are correct that the Launch timeout expiry gives the wake lock. > In AlertDialogs the "screen becoming black" depends on the way you > create it .. > Please refer the topic "Opening a New Screen" > fromhttp://code.google.com/android/kb/commontasks.html. Make sure if you > are using the third option of creating a dialog then the attribute > android:theme="@android:style/Theme.Dialog" need to be added in the > manifest xml of that activity using the dialog. > > - Sundar > > > > -----Original Message----- > From: android-developers@googlegroups.com > > [mailto:android-develop...@googlegroups.com] On Behalf Of Skooter > Columbo > Sent: Tuesday, December 30, 2008 2:47 PM > To: Android Developers > Subject: [android-developers] Screen Goes Black Between Activities, and > Next Activity never shows up. > > From my MainActivity the user can click a button that shows a dialog. > From this dialog the user can set the number of minutes and number of > seconds from a custom Timer component, and click a start button. When > they click start, this is the OnClickListener that gets invoked. > > public void onClick(DialogInterface dialog, int whichButton) { > AlertDialog alertDialog = (AlertDialog)dialog; > Timer timer = (Timer)alertDialog.getWindow().findViewById > (R.id.timer); > > Intent intent = new Intent(MainActivity.this,CountDown.class); > intent.putExtra(KEY_MINUTES, timer.getMinutes()); > intent.putExtra(KEY_SECONDS, timer.getSeconds()); > startActivity(intent); > //startActivityForResult(intent, ACTIVITY_COUNT_DOWN); > } > > As you can see it is sent to the CountDown activity. What is supposed to > happen is the minutes and seconds that the user selected from the dialog > are displayed on the CountDown screen, and they begin to count down and > an explosion sound is played when zero is reached. What is really > happening, For some reason the screen goes black, and nothing is > displayed, however the explosion is played 30 seconds later if user > selected 30 seconds. The CountDown Activity has two methods onCreate and > onWindowFocusChanged. OnCreate is used to set up the view and > onWindowFocusChanged is used to count down and update the view as each > second pasts. I put the count down code in the onWindowFocusChanged > because it there is no user intervention except to watch the time count > down, and according to the android documentation this is the best > indicator that the activity is visible to the user.http:// > code.google.com/android/reference/android/app/ > Activity.html#onWindowFocusChanged(boolean). See my code below. > > protected void onCreate(Bundle savedInstanceState) { > super.onCreate(savedInstanceState); > setContentView(R.layout.count_down); > > //instantiate the components > mMinutesText = (TextView)findViewById(R.id.count_down_minutes); > mSecondsText = (TextView)findViewById(R.id.count_down_seconds); > cancelButton = (Button)findViewById(R.id.count_down_cancel); > > Bundle extras = getIntent().getExtras(); > mMinutes = extras.getInt(KEY_MINUTES); > mMinutesText.setText(mMinutes); > > mSeconds = extras.getInt(KEY_SECONDS); > mSecondsText.setText(mSeconds); > > cancelButton.setOnClickListener(new View.OnClickListener() { > public void onClick(View view) { > mIsCountingDown = false; > setResult(RESULT_OK,new Intent()); > finish(); > } > }); > } > > @Override > public void onWindowFocusChanged(boolean hasFocus){ > super.onWindowFocusChanged(hasFocus); > if(hasFocus){ > countDown(mMinutes,mSeconds); > if(mMinutes == 0 && mSeconds == 0){ > MediaPlayer mp = MediaPlayer.create(this, mSound); > mp.start(); > } > > Intent mIntent = new Intent(); > setResult(RESULT_OK,mIntent); > finish(); > } > } > > Here are logs from LogCat. I am wondering if this "Launch timeout has > expired, giving up wake lock!" is the problem. If this is the problem > then what is causing it > > 12-30 02:40:31.926: INFO/ActivityManager(53): Displayed activity > com.android.myapp/.CountDown: 14992 ms > 12-30 02:41:40.408: INFO/ActivityManager(53): Starting activity: > Intent { comp={com.android.myapp/com.android.myapp.CountDown} (has > extras) } > 12-30 02:41:50.454: WARN/ActivityManager(53): Launch timeout has > expired, giving up wake lock! > 12-30 02:41:50.549: WARN/ActivityManager(53): Activity idle timeout for > HistoryRecord{43524f10 {com.android.myapp/ com.android.myapp.CountDown}} > 12-30 02:42:00.166: INFO/ActivityManager(53): Displayed activity > com.android.myapp/.CountDown: 19743 ms > > Any guidance someone can provide would be very helpful. > > Skooter :)- Hide quoted text - > > - Show quoted text - --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Developers" group. 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