Android :: Blank Screen And ANR While Application Starting Up?
Apr 6, 2010
While opening my application from application launcher. Sometimes I am getting blank screen for long time (almost 3 min). If I perform some key events then I am getting ANR. Log is as follows.
I/ActivityManager( 57): Starting activity: Intent {
action=android.intent.action.MAIN categories ={android.intent.category.LAUNCHER} flags=0x10200000 comp={com.test/com.test.MyScreen} }
E/JavaBinder( 57): !!! FAILED BINDER TRANSACTION !!!
After this I am getting activity launch timeout and Idle timeout. Is there any design issue with my activity or problem with android environment.
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Mar 22, 2010
Whenever I start any Android Application, initially a black screen comes to the foreground for a split of a second and then the splash screen comes up of the Application. Can anyone let me know the way of avoiding it?
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Apr 29, 2014
i have tried to install kitkat version for galaxy y duos s6102,for that i installed clockwork mod n cynogenmod n kitkat file..but after installing the screen goes blank,nothing appears except Samsung logo screen,
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Dec 2, 2010
This was reported in the other thread about X8 Issues, but thought to start a new one to gather feedback from users. It's about the ''black screen'' freezing issue encountered by some users. I have had this several times since owning the phone for a few weeks, so it is a recurring issue. Problem: The phone hangs or appears to be shut down or become unresponsive suddenly. Pressing the hardware buttons doesn't help as the phone doesn't react at all. Solution: Take out cover and battery and restart.Observations: From my own observations, it's not actually a shutdown but a major freezing/hanging. Sometimes when it happens, I can still see vague shades of the display at an angle. After leaving the phone for a while in the pocket, the phone comes back to normal again. Not sure if this is true for all users with this problem. Anyway, gathering more feedback to see how prevalent the problem is, to evaluate whether I should take it to the SE service centre, or whether doing so will help at all.
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May 11, 2010
How can i start an application just knowing the package name, not the classname? Ok, there is Intent.setComponent solution would be what i need ... if it was compatible with 1.5 :(
I guess i have to play with getPackageManager() but how can i use it?
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Sep 21, 2010
I installed my application through clicking run in eclipse. When I search for my application to start it and click on it I get the following error. Do I have to add some magic phrase to the manifest?
CODE:................
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May 11, 2010
I was really sure this was available from 1.6. It seems I need to have a rest!
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Jan 14, 2010
I'm nearly ready to publish my OpenGL game. I've been browsing this newsgroup and I've seen quite a few posts regarding crashes, blank screens, etc when running an OpenGL application on the Droid. I have three questions:
1) What are some common pitfalls that occur when trying to support the Droid/Nexus One? So far, I've tested my game on the Android 2.0 emulator (both WVGA & FWVGA) and everything works fine but I'm still paranoid.
2) I've placed my textures (png) in the assets folder. Will these images be pre-scaled automatically? I've read about specifying density independent images for resources but do the same rules apply for images stored in the assets folder? I'm afraid that pre-scaling will cause my textures to become non-power of 2.
3) What additional strategies have developers been taking to ensure their application works on the newer devices when they only have access to G1/G2 hardware?
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Jun 28, 2010
Is this possible? I have a free and a paid version of an application. From the FREE version I want to provide the ability to for the user to "PURCHASE" the paid version. I want to make it as simple as possible. I am thinking of Starting the market app and passing the identification of the PAID so that the Market app will take them right there. I am trying to make it as easy as posible. No searching etc. No I have no intent of doing the purchasing from within my app. I want to have them press [Get Paid Now] button and then I start the Market app which would then take them to my Paid Application in the store.
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Jul 2, 2010
I have a call blocking application. It has 3 files:
1) class BlockMyCall extends BroadcastReceiver
2) class SimpleClass1 extends Service
3) PhoneBlock extends Activity
I start "PhoneBlock " Activity to call Service "SimpleClass1 ", which eventually calls "BlockMyCall" intended to block outbound calls (by setting result to "null").
I want to know if I can run the class1 from service without starting activity. If so , how?
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Sep 2, 2010
I have created the meat and guts of my application but I want to add a different activity that will be the starting point (sort of a log-in screen).
Couple questions:
1) I have a fairly decent handle on how to switch between activities (based on this article: http://www.linux-mag.com/id/7498) but I'm not sure how to go about creating a new one (with eclipse).
2) once I have a new activity created, how can I set it as the default activity of my application? I presume I could just change the name of the classes...but is there a more elegant way to handle that (maybe within the AndroidManifest.xml)?
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Apr 23, 2010
I have got three buttons in my app, one for calendar, one for contacts and third for mail. when i click on those buttons corresponding application should get open.The mail code works perfectly fine but somehow calendar and contact code which i have doesnt work good, can any one please provide the code.
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Sep 15, 2010
I have a enable and disable button. When this button is enable, user can launch my application normally. But when the button is in disable state, I don't want to start the application, that is the launcher activity should not start, but the icon for application will be there.When we click on the icon for application to launch it should not start.
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Sep 16, 2010
My app has one activity and one ContentProvider, the activity is simple in that it's just a splash screen at the moment with no other logic in it (I do intend to have more activities in the app). The ContentProvider uses SQLite as a back end and loads some static data from files on first install, a slow process due to file sizes and database initialization. My problem is that I want the activity to show up as soon as the install starts and maybe display a progress bar or dialog to show the user progress about the install. At the moment I get a blank (white) screen while the ContentProvider is initialising the data which takes quite a long time and I get "Activity idle timeout for history record" warning in LogCat. My splash screen only shows when the Content Provider is done, from the app standpoint this is undesirable behaviour. One potential solutions would be to manually start the provider via an AsyncTask but I have a feeling that this is a bad approach due to the fact that if the activity is interupted and restarted while the install is underway and a new AsyncTast is created through the activity's onCreate() then I'll have worst problems on my hands. Is there a way to start the content provider in the background and display my splash screen activity straight after the app is started? Note that this problem is only an issue on first install.
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Mar 5, 2009
I tried a simple mediaplayer application, just to run a .3gp file. First, i put the .3gp file in "Raw" folder and tried to run, but nothing is displaying, just blank screen only.... please guide me, where i am going wrong. I dont have any xml file, is it needed ??
Heres the code, which i am trying
CODE:....................
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Apr 25, 2009
I've got a basic list activity with a few images that when you select one starts a new activity with a SurfaceView (based on the Lunar Lander sample). Some times the screen is just blank, from some debugging I can see that the background .png is being loaded and doDraw() is being called by the activity doesn't display anything for anything from 4 to 20 seconds. Other times the game activity is loaded just fine. I assumed it was some kind of garbage collection problem but I can't see anything in LogCat and the second activity is actually loaded, just not displayed for some reason.
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May 7, 2014
The problem is that I have created multiple emulators using android 4.4.2 API and none of them show anything but blank screen..I tried an AVD with Google API 19..thats not working either..
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Oct 28, 2010
I have a Service which tracks the location of the user. Currently, the Service boots when the application starts and stops when the application terminates. Unfortunately, if users keep the application in the background, the Service never stops and drains battery.
I would like the Service to stop when my application is not in the foreground. I was hoping the Application class would let me Override onPause and onResume handlers, but it does not have them.
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Mar 12, 2010
Basically i want to start Notepad application in android from my application , can i do this in android using runtime.exec() method of RuntimeClasss and assign it to a process and kill the process later.
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Dec 2, 2009
i am writing a widget and trying to prove that it doesn't run when the phone is in deep sleep as i am setting an alarm with type ELAPSED_REALTIME. when i hit the end call on the emulator the device screen goes blank, but i still see my alarms being delivered. am i missing something?
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Jul 16, 2010
I am facing a problem.In my application I have 3 actvities A,B,C which i have declared as singleInstance.I have observed that for the first time when I launch these activities(like A > B or B > C) there is a delay observed and I see a black screen for a while.
I see in the blanch screen the header text that gets displayed is the application name which i have given in the android manifest.xml(android:label="@string/app_name")
I amy unable to understand why this blank screen is observed? Experts please comment on how to avoid it.
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Jul 10, 2010
Phone - HTC incredible 2.1 no root
I love flikie wallpaper hd app but for some strange reason it fails to load an image sometimes and I just have a blank black screen that stays until I manually change it. I have 400+ wallpapers that I have set to change every 30 min and no I don't have a solid black wallpaper. Anyone else have this problem? Have a solution?
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Dec 16, 2009
We are developing an application that requires a download of a music file (mp3). We are using the Browser Activity for the same.
The Browser Activity is invoked from the application and the download url is passed to it, like: startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse(downloadurl)));
However, after downloading, on the download list page, if we press the Back button, a blank white screen is displayed. Only after we press the Back button a second time on this white screen, the application screen is displayed. This happens because the Browser Activity view is displayed before the actual downloading starts.
This is an issue in the application flow. We need to manage the flow in such a way that the 'Back' key press on the download list view will take the control to the application screen instead of the white screen.
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Jul 14, 2010
Some background info: I got an HTC Evo a few days after the initial launch. I had no problems with the screen at first at least for a few weeks. Then all of a sudden, the screen would go blank after I took the phone off the charger, or would finish a call, and a few other instances. After dealing with that for a little over a week, I took the Evo back to sprint and got a brand new one. I looked all over the forums, but could not find any answers. I know some others are having this issue, but it doesn't seem that widespread. So I get the new phone, and for the first day, I don't install any of the apps I had on the last phone because of a lack of time. No problems to report the first day of use, so I think I'm in the clear. The next day I start installing all of the apps I had on the first Evo, and bang, it starts to happen again. The screen goes blank, and I can do nothing to turn it on except to pull the battery out and restart the phone which is a monster pain. After all of this, I have to think its a software issue. Some app I have running could be causing this? How likely is it that 2 Evo's have this exact same problem, and that it's hardware related? Here is a list of apps I have installed on my phone: maui9111's Apps on the phone. I tried uninstalling several of them, but still can't find the solution. Anyone have any ideas? I love this phone, but this issue is driving me nuts!
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Oct 10, 2010
I found that when EditText in placing at the bottom of screen, and the activity's android:windowSoftInputMode="adjustPan", and the apps run in ldpi(240*320) mode, then when EditText has focus, the content of the activity is panned too far to the above, thus leaving a blank screen between the content of the window and the soft input panel.
You can see the screenshot of this problem at
https://sites.google.com/site/wilderwang/android
Also, the source code to repro this problem can also be get at
https://sites.google.com/site/wilderwang/android
When I test further, if the same apps run in hdpi(480*800), when EditText got focus, the content of the window panned too small thus causing the soft input window cover the EditText view. It seems the distance of the window panned not compute the screen density.
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Mar 15, 2010
WARN/WindowManager(61): No focus window, dropping: KeyEvent{action=0 code=82 repeat=0 meta=0 scancode=229 mFlags=8}
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Jun 18, 2009
I'm running a standard camera preview (i use the camera api demo as a reference).
When i hit the capture button, there is a black screen for a good 1/2 second until the captured image appears.
My question is how can i freeze the last image being previewed on the screen while i do the capture work ? I don't mind that the quality of the displayed image is not as good.
If i hit camera.stopPreview() -> that goes into the black screen which i don't want.
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Jul 7, 2010
I have an application I am currently working on for a client which is suffering from a particularly hard to debug problem. Every so often, the device screen will go blank, not just while running my application, but entirely. If I press the home button, for instance, it's still blank. This happens fairly rarely ( I myself have only seen it once or twice in a couple of months, and unfortunately couldn't gather log information immediately when it happened. What log info I was able to gather seemed to show that the phone continued to run properly - I was still seeing events in the log file - the screen was just blank ). So far, this has only been observed while running on Motorola Milestones ( this may or may not be coincidence - it's hard to tell given the infrequency of occurance ). Has anyone else observed anything similar? Any suggestions as to possible causes/ways of debugging?
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Jun 27, 2010
The last couple times I have tried to download an app from the market, it gets stuck on starting download no matter how long I wait. Internet browsing still works though.
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Feb 16, 2010
When I make a phone call the screen goes blank after 5 seconds. To end a call, I have to press "home" then "end call".Is there a way I can keep the screen on whilst making a call?I have tried home, menu, settings, then sound & display, without success.
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