Android :: Emulator Won't Finish Booting
Sep 16, 2009
I had the 1.5 android emulator starting from Eclipse perfectly nicely.... until yesterday when it suddenly won't finish booting. I haven't installed anything new (Running it on Windows Vista - i know, uck, but I'm waiting for Win 7 to hurry up), haven't even changed the java code I am trying to run. The emulator starts up, get's to the point where it shows "Android" with the nice lighting effect that goes from left to right over it and then just stays in that state. Last night I tested it by starting it up, going out to the living room, watching two hour long episodes of the first series of Doctor Who, and then coming back in (Essentially giving it 1.5 hours to do it's stuff) - it was still stuck in that state. Any ideas what I did wrong?
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Jan 18, 2010
Can anybody tell about the Broadcast Receiver in android to make make my service to run when the the phone just finishes the booting.
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Jun 23, 2013
I have a 16Gb Nook Tablet that I wiped a long time ago and put CM7 on it. It worked great. Then I put CM9 on it, and it worked great. Then I tried to put CM10 on it. So far, no matter what build I try for CM10.0 or CM10.1, it has the exact same result: After I do the final reboot, it starts to boot up, but gives up and just shuts down (screen goes black, and you have to turn on the device again). Sometimes the CM10 logo starts spinning before it turns off, sometimes it turns off before the spinning CM10 boot logo appears.
I've tried many different builds (only for the Nook Tablet), but they all behave the same (some from the official cyanogenmod web site, some from other xda-developer forum posts for the Nook Tablet).
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Jun 25, 2012
I had a stock android 2.3.6 and here are the steps I tried:
- Unlocked my N1 (through fastboot)
- flashed the RA recovery image (through fastboot)
- Wiped the device.
- Copied the Evervolv-Perdo-2.2.0a5-passion-aroma.zip to the SD card
- Booted in recovery mode and installed Evervolv.
After reboot, the blue X animation just sits there rolling and rolling. It's been 25 minutes since I rebooted and the main screen doesn't show up.
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Jun 2, 2010
I just wrote a test app and deployed it via Google Api 2.2 emulator version 8. The emulator is running and the Android logo comes. But after that, no progress. When I checked the log, it shows a Mount Service with message 'waiting too long for ready! What should be done inorder to boot the emulator?
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Oct 5, 2010
The emulator screen does not show up with new zImage... The steps I followed are: 1) Downloaded the android kernel from "git clone git://github.com/CyanogenMod/cm-kernel.git" 2) extracted config file from config.gz from /proc/config.gz in emulator 3) copied config file to .config in "cm-kernel" directory 4) export CCOMPILER=${HOME}/android/system/prebuilt/linux-x86/ toolchain/arm-eabi-4.4.0/bin/arm-eabi- 5) make ARCH=arm CROSS_COMPILE=$CCOMPILER oldconfig make ARCH=arm CROSS_COMPILE=$CCOMPILER menuconfig make ARCH=arm CROSS_COMPILE=$CCOMPILER
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Aug 14, 2010
With this sample code, the activity is told to finish, but continues execution afterwards and displays the message. I'm trying to understand why this happens. The only fix I can think of is to place 'return' after finish.
public void someMethod() {
if( valueIsTrue) {
startActivity(new Intent(this, NewActivity.class));
CurrentActitivy.this.finish();
// return; // if uncommented, Toast doesn't show
}
Toast.maketext(this, "Some message", Toast.LENGTH_SHORT).show();}
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Aug 16, 2010
We all know that hitting the back button on the device doesn't kill the application, it merely finishes (destroys) the activity running on the foreground.
Well I have come across some code which helps me capture the back button signal so that I cannot exit the application. The only way to exit it in such cases is to press the home key.
Now this situation presents me with a unique disadvantage! The inability to kill finish the application on a time of my own choosing allows the application to keep running in the background like nothing has changed.
So in such cases is the task manager my only friend or is there a way for me to otherwise kill this application?
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Nov 30, 2009
I see no means by which my activity can pop itself off the activity stack to return the user to the one he was using before it was invoked. Is there one? My purpose is that my app has some data structures built from data provider queries that take 5-15 seconds to assemble and I don't want a lot of latency if it is used in a few one-shot purposes in rapid succession. I'm more than willing to let the system ask my app to die, but I'd like to keep warmed and ready otherwise.
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Sep 7, 2010
I have one activity call a camera view activity, and in the onActivityResult, I have it start that activity again with different parameters. Android doesn't seem to like that, and gives me an error that the camera is not available if I start it right after it returns. I tried just waiting a few seconds, but this doesn't seem to work on all phones, and it sometimes crashes. Is there some way to wait until that activity finishes properly, and gives up all resources?
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Apr 12, 2009
I've got an application that has (among other things) three Activities, let's call them A, B, and C. A is the main navigation point for the entire application, and launches B and C directly using startActivity(). They work fine that way. However, when I call C from inside B, I get a strange problem. The code for launching Activity C is exactly the same in both places. The problem is the hardware back button. In the emulator, it takes two presses of the back button in order to close Activity C and come back to B. On a G1, it takes 3 or 4 presses. Upon seeing this, I implemented the usual suspects in C - onPause(), onStop(), and onDestroy(), and onResume() in B. When I press the back button from C and it doesn't work, I get onPause(), onStop(), onDestroy () - in that order, but nothing happens. When it works (on press 3 or 4 on the G1), I get onPause(), then onResume() in B, then onStop() and onDestroy().
I've tried catching the key press of the back button and calling finish (), but that doesn't make a difference. Has anyone seen this? To pre-empt some questions: All C does is display some data. There are no threads or any other special resources that C might have an active handle to that's preventing it from closing. But out of curiosity, if it did, how would I detect that? Any ideas for further diagnostics here?
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Jul 23, 2009
I have an EditText field and I want to pop up a new window/activity whenever a user touches/clicks the field. The new window has some widgets and of course Apply and Cancel buttons. Here is the code how I intercept the onTouch event.
EditText ctlMaskEt = (EditText)findViewById(R.id.mask_field); ctlMaskEt.setOnTouchListener(new OnTouchListener() { public boolean onTouch (View v, MotionEvent event) { popMaskEditor(); return true; } });
Everythings work fine until I click the Apply and Cancel buttons. The API finish() won't close the new window unless I click the same button one more time. Calling popMaskEditor() from a button's OnClick event handler doesn't have this problem.
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Mar 30, 2010
I have an activity that launches another activity with startActivityForResult method. I would like to terminate the called one programmatically but I don't know how to do this since in onActivityResult() method I have no information about the called activity and I cannot call finish() on it. How can I achieve this?
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Apr 28, 2009
I have been developing a game on Android and wrote a wrapper for J2ME classes,
When notifyDestroyed() is called in my ME program and calling finish() but the application doesn't close correctly.
The App goes to background and when launched again it shows an error message and presents an option to "force close" the App, if i force close it and launch again, the app launches fine but again the same has to be repeated upon every launch..
Can you please explain why the App is not being erased from memory when finish() is called.
when i check the log i found no exceptions when closing but when launched again it throws a null pointer exception.
for now to work around I placed "System.exit(0)" after calling finish () so that the app is exited abruptly, but am waiting for a valid answer on whats going on behind...?
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Sep 8, 2010
I've been using code like: activity.finish(); activity.startActivity(new Intent(activity, activity.getClass()));
in two places: onResume(), and in an onClick() method of an AlertDialog. I'm getting the desired results when the code is called from onClick(), but I get mysterious null pointer exceptions while the runtime is trying to execute my onPause(). Is calling finish() from within one of the Activity lifecycle callbacks always a bad idea?
This code makes me nervous even though it works in the onClick(). After I call activity.finish(), I would think activity is in a questionable state by the time activity.startActivity() is invoked. Seems like an invitation to race conditions.
My use case is setting UI preferences (e.g. a different layout) in a PreferenceActivity. When I return to the main activity's onResume(), I check for preference changes and if a new layout is requested, I use the code snippet above.
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Nov 5, 2009
In main Activity, I called start Activity For Result(intentB, 100) to start a new activity B, then in B, I called startActivity(intentC) to start another activity C. Lastly I wanted to call finish Activity(100) in C to close activity B, but seemed it was not successfully destroyed(I can use BACK key to see it's still there.)
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Mar 25, 2010
I saw another thread related to this question, but did not find the answer that was useful to me. Is it possible when the user presses the Home button to be able to finish() my activity somewhere? I saw that people were having problems with using onStop(). Has anyone found a resolution to see if this is always called on Home being pressed?
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Dec 2, 2009
I would like to know whenever the top task is changing. i.e. when a new task is starting or a task is finishing or when the current active task changes. Is there an intent that is sent that I can listen to?
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Sep 14, 2010
I have a parent activity (as ACTIVITY GROUP) and some child activity of this parent activity (as ACTIVITY).
I am just calling child1 now i want to move from child1 to child2 and just want to finish() child1.
But when i am calling finish() it is also finishing the parent activity.
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May 10, 2010
I've heard that pressing the back button will essentially cause the current Activity to finish(). Is this always the case? Seems like it would be with the way it pops the Activity off the stack.
The one situation I'm not so sure about is when the root Activity in a Task has back pressed. I'm currently experiencing a very weird effect, described as follows:
On loading my application, the first Activity is for initialization, and once it finishes, it calls my main Activity (a TabActivity). This first init activity has android:noHistory="true" set in the Manifest so pressing Back from my main Activity won't go back to that. It goes to the Launcher. When I click on my App in the Launcher a second time, the initialization activity loads again, and loads the main Activity when done. Almost immediately after, it loads a second instance of my main Activity. But ONLY after the Application has already been run once, and was exited by pressing BACK from the main Activity. It does it every subsequent time until I force quit the app or load a new version from the IDE.
Based on this, I am suspecting some kind of Activity instance is lying around and being reused, since it only happens on the second+ time I run the application (and exit with BACK -- using HOME just returns to the last state of the app, no big deal).
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May 30, 2009
Is it possible with one call to finish all previous Activities. (like: this.finish(all) :)
I have a main activity, calling a preferences and there is a switchuser point that switch the user and call the main activity again. But than i don't need that the user can go back, step by step, It would be just fine i could say "kill all previous activities" in the moment the user click "switch user".
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Nov 4, 2010
I'm using "AppBrain App Market". I have installed a bunch of apps, but some get stuck and just stay in "Downloading" state. They just never finish downloading. I see the progress bar "barbershop pole" style but there is no sign of progress. Some are new installations, some are updates.
This is despite the fact that some apps HAVE successfully downloaded and installed. What could the problem be? How do I resolve this?
Cancelling the download and restarting the download resolved the problem once. (Downloads / click on neverending download item, Cancel Download)
But if the button series is (Downloads / click on neverending download item, *Installing*). Then the Installing button is greyed out then I'm stuck.
This thread did not provide any solutions: Market Apps Finish Downloading but Won't Install
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Nov 22, 2010
In my android application I have custom listview with an image and textview. In extended BaseAdapter under getView method click events of textview and image are associated with onClick method using setOnClickListener as shown in code below
CODE:.............
And
CODE:...................
When clicking on image it acutally deletes that entry from List which works fine, but on clicking textview i would like to return the text of clicked textview to main activity but I am unable to achieve this, although I can do this from setOnItemClickListener of this custom listview acitivity.
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Mar 30, 2010
My child activity X is called from Parent activity P through startActivity(intent). I want to close P when X called its finish() method. I override a method finishFromChild(Activity child) in P and called finish() in it. But this functions (finishFromChild(Activity child)) is not being called after X finish() Is it a known bug or I am missing some thing? I googled and also searched the groups but no help.
An alternative could be... using StartActivityForResult() and a "fake" onActivityResult, where I can finish the parent activity, but this way is quite bad, i think...
I prefer the first one, if it would work....
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Apr 26, 2010
The first Activity that loads in my application is an initialization activity, and once complete it loads a new Activity. I want to ensure if the user presses 'Back' they go straight to the Launcher, and not the initialization screen. Side note, is this even the best approach, or would this be better done with some kind of Intent Flag?
Is it correct to call finish() after calling startActivity() on the new activity?
CODE:...................
I'm still taking in the whole 'Message Queue' method of doing things in Android, and my assumption is that calling startActivity() and then finish() from my first Activity's onCreate() will log each respective message in the message queue, but finish execution of onCreate() before moving on to starting the next Activity and finishing my first one. Is this a correct understanding?
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Sep 10, 2010
I have an activity that after some user interaction calls finish() on itself. From time to time it gets into a loop where when it calls finish() it finishes but immediately restarts again. Any idea why android tries to restart my activity?
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Nov 10, 2010
I have an app that contains multiple tasks (stacks of activities). I can jump from one to another with no problem, but when i finish a task it goes to the previous stack. I would like to finish all stacks whenever i finish one of them, because I want my application to finish. Does anyone have an idea on how to achieve this?
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Jun 17, 2010
I've a service which listens to user request for ending one activity and starting another activity. For Ex: Say there are activities1,2 ,& 3. Now if there is already activity1 started by someother activity then based on the user request i need to stop activity1 and start activity2 or activity3. If the acitivity1 is started by my service then i can do finishactivity(requestcode) and shall receive a call to onActivityResult() then i can start next activity 2 or 3. But can i stop the activity1 which is started by some other activity from a service?
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Dec 4, 2009
I have implement the following code in order to test playing a video from a remote web server through itīs URL.
CODE:........
The code is working just fine, even in the Android emulator. I just would like to know if there's any listener (or handler) to detect the finish of the video that is being reproduced?
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Jan 21, 2010
I've been using System.exit to quit the application. Is Activity.finish a better approach? What would be the differences?
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