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2014/10/16 ¤W¤È 08:10:27
android Programming Glossary: backAndroid update 17 seems incompatible with external Jars http://stackoverflow.com/questions/10046298/android-update-17-seems-incompatible-with-external-jars of the jars that have those classes Or do I need to revert back to my previous version of java Or is this some totally unrelated..
Android, How to manage start activity for result? http://stackoverflow.com/questions/10407159/android-how-to-manage-start-activity-for-result button then I'll send result address of recorded video back to main activity. How to check result from main activity android.. your SecondActivity set the data which you want to return back to FirstActivity If you don't want to return back don't set.. return back to FirstActivity If you don't want to return back don't set any. eg In secondActivity if you want to send back..
Saving Activity state in Android http://stackoverflow.com/questions/151777/saving-activity-state-in-android Welcome to HelloAndroid else mTextView.setText Welcome back. setContentView mTextView private TextView mTextView null I.. MyInt 1 savedInstanceState.putString MyString Welcome back to Android etc. The Bundle is essentially a way of storing a..
http://stackoverflow.com/questions/16636039/java-lang-classnotfoundexception-after-changing-nothing-in-the-project-but-upgra 1 month. After the recent Google I O I decided to come back to development. What I first did was open the Android SDK Manager..
Quitting an application - is that frowned upon? http://stackoverflow.com/questions/2033914/quitting-an-application-is-that-frowned-upon task never on exit. Some comments suggest that hitting the back button does not kill the app at all see link in my question..
Focusable EditText inside ListView http://stackoverflow.com/questions/2679948/focusable-edittext-inside-listview search algorithm is hard to predict and no visual feedback on any rows having focusable children or not on which item is.. EditText. And when I navigate out of that header change it back it again. public void onItemSelected AdapterView listView View.. the EditText to another widget outside of the ListView back to the ListView and displayed the selector on the next selected..
Download a file with Android, and showing the progress in a ProgressDialog http://stackoverflow.com/questions/3028306/download-a-file-with-android-and-showing-the-progress-in-a-progressdialog in a dialog This method will allow you to execute some background processes and update the UI at the same time in this case.. count while count input.read data 1 allow canceling with back button if isCancelled return null total count publishing.. null The method above doInBackground runs always on a background thread. You shouldn't do any UI tasks there. On the other..
How to draw a path on a map using kml file? http://stackoverflow.com/questions/3109158/how-to-draw-a-path-on-a-map-using-kml-file try pedestrian route calculation first if it fails fall back to car route if mode MODE_ANY mode MODE_WALKING navSet MapService.getNavigationDataSet..
Strange out of memory issue while loading an image to a Bitmap object http://stackoverflow.com/questions/477572/strange-out-of-memory-issue-while-loading-an-image-to-a-bitmap-object off the SD card the application returns from the activity back to the listview activity to the result handler to relaunch my.. is that I get an out of memory error when it tries to go back and re launch the 2nd activity. Is there a way I can build the..
Android: How to declare global variables? http://stackoverflow.com/questions/708012/android-how-to-declare-global-variables state share improve this question I wrote this answer back in '09 when Android was relatively new and there were many not..
Android Activity Life Cycle - What are all these methods for? http://stackoverflow.com/questions/8515936/android-activity-life-cycle-what-are-all-these-methods-for the activity lifecycle when an activity is going into the background but has not yet been killed. The counterpart to onResume.. activity B is launched in front of activity A this callback will be invoked on A. B will not be created until A's onPause.. When you click on Phone button the Activity goes to the background below events are called onPause onStop Exit the phone..
http://stackoverflow.com/questions/8657894/android-facebook-style-slide View and when we want to show the menu we scroll back to reveal the menu through the transparent View. The code is..
android - need some clarifications of fragments vs activities and views http://stackoverflow.com/questions/10478233/android-need-some-clarifications-of-fragments-vs-activities-and-views FragmentManager handles back for you in a very clever way. Back does not mean back to the last activity like for regular activities...
Android emulator doesn't take keyboard input - SDK tools rev 20 http://stackoverflow.com/questions/11235370/android-emulator-doesnt-take-keyboard-input-sdk-tools-rev-20 below If you notice that the soft screen based main keys Back Home etc. are missing from your emulator you can set hw.mainKeys..
How to test the performance of an Android application? http://stackoverflow.com/questions/1957135/how-to-test-the-performance-of-an-android-application
Android: Override back button to act like home button http://stackoverflow.com/questions/2000102/android-override-back-button-to-act-like-home-button still be running. A simpler approach is to capture the Back button press and call moveTaskToBack true as follows @Override.. is to capture the Back button press and call moveTaskToBack true as follows @Override public boolean onKeyDown int keyCode.. KeyEvent event if keyCode KeyEvent.KEYCODE_BACK moveTaskToBack true return true return super.onKeyDown keyCode event I think..
Android: What is better - multiple activities or switching views manually? http://stackoverflow.com/questions/2072244/android-what-is-better-multiple-activities-or-switching-views-manually with switching manually Views and then manually doing the Back button functionality What do you think or know is the better.. own views you miss out on so much. You have to implement Back yourself you don't get any inter Activity transitions you have..
Android: Prompt user to save changes when Back button is pressed http://stackoverflow.com/questions/2459848/android-prompt-user-to-save-changes-when-back-button-is-pressed Prompt user to save changes when Back button is pressed I have an activity that contains several.. only supporting Android 2.0 and higher they've added an onBackPressed you can use instead @Override public void onBackPressed.. onBackPressed you can use instead @Override public void onBackPressed do something on back. return This answer is essentially..
Android - How To Override the “Back” button so it doesn't Finish() my Activity? http://stackoverflow.com/questions/3141996/android-how-to-override-the-back-button-so-it-doesnt-finish-my-activity How To Override the &ldquo Back&rdquo button so it doesn't Finish my Activity I currently have.. than bringing back the old one. So essentially I want the Back button to act the exact same as the Home button and here is.. event.getRepeatCount 0 Log.d CDA onKeyDown Called onBackPressed return super.onKeyDown keyCode event public void onBackPressed..
How do you use Intent.FLAG_ACTIVITY_CLEAR_TOP to clear the Activity Stack? http://stackoverflow.com/questions/4342761/how-do-you-use-intent-flag-activity-clear-top-to-clear-the-activity-stack the user is sent back to the activity A and can then press Back to leave the activity rather than back to activity B again... keyCode KeyEvent.KEYCODE_BACK event.getRepeatCount 0 onBackPressed return super.onKeyDown keyCode event @Override public.. super.onKeyDown keyCode event @Override public void onBackPressed startActivity new Intent this UI.class .setFlags Intent.FLAG_ACTIVITY_CLEAR_TOP..
Android SDK installation doesn't find JDK http://stackoverflow.com/questions/4382178/android-sdk-installation-doesnt-find-jdk jdk windows 7 x64 share improve this question Press Back when you get the notification and then Next . This time it will..
Call method when home button pressed on android [closed] http://stackoverflow.com/questions/4783960/call-method-when-home-button-pressed-on-android event if keyCode KeyEvent.KEYCODE_BACK Log.d Test Back button pressed else if keyCode KeyEvent.KEYCODE_HOME Log.d..
Android backup/restore: how to backup an internal database? http://stackoverflow.com/questions/5282936/android-backup-restore-how-to-backup-an-internal-database how to backup an internal database I have implemented a BackupAgentHelper using the provided FileBackupHelper to backup and.. implemented a BackupAgentHelper using the provided FileBackupHelper to backup and restore the native database I have. This.. guide topics data backup.html . There is no BackupHelper specifically for these typical databases. Hence I used..
http://stackoverflow.com/questions/5907369/file-upload-in-webview newConfig super.onConfigurationChanged newConfig To handle Back key press event for WebView to go back to previous screen. @Override.. KeyEvent event if keyCode KeyEvent.KEYCODE_BACK web.canGoBack web.goBack return true return super.onKeyDown keyCode event.. event if keyCode KeyEvent.KEYCODE_BACK web.canGoBack web.goBack return true return super.onKeyDown keyCode event Also I want..
Separate Back Stack for each tab in Android using Fragments http://stackoverflow.com/questions/6987334/separate-back-stack-for-each-tab-in-android-using-fragments Back Stack for each tab in Android using Fragments I'm trying to..
Android app out of memory issues - tried everything and still at a loss http://stackoverflow.com/questions/7536988/android-app-out-of-memory-issues-tried-everything-and-still-at-a-loss earlier activities to die and be resurrected if I ever Back to them via onCreate and onRestoreInstanceState . Let alone.. onRestoreInstanceState . Let alone this even if I do P1 B1 Back B1 Back B1 I still get a crash. This indicates some sort of.. . Let alone this even if I do P1 B1 Back B1 Back B1 I still get a crash. This indicates some sort of a memory..
android.app.Application cannot be instantiated due to NullPointerException http://stackoverflow.com/questions/9039017/android-app-application-cannot-be-instantiated-due-to-nullpointerexception dayOfMonth Submit will add modify the data in xml file. Back will start ReminderList activity Button submit Button findViewById..
How to force use of overflow menu on devices with menu button http://stackoverflow.com/questions/9286822/how-to-force-use-of-overflow-menu-on-devices-with-menu-button them on the bar. On the emulator I can set the Hardware Back Home Keys value to no and get this effect. I've searched for..
Android emulator doesn't take keyboard input - SDK tools rev 20 http://stackoverflow.com/questions/11235370/android-emulator-doesnt-take-keyboard-input-sdk-tools-rev-20 On a related note if your tablet emulator is missing the BACK HOME buttons try selecting WXGA800 as the Built in skin in the..
Jelly Bean DatePickerDialog — is there a way to cancel? http://stackoverflow.com/questions/11444238/jelly-bean-datepickerdialog-is-there-a-way-to-cancel int which Log.d Picker Cancel Expected Pressing the BACK key or clicking outside the dialog should do nothing . Pressing.. Set should print Picker Set . Current Pressing the BACK key or clicking outside the dialog prints Picker Set . Pressing..
Complete Working Sample of the Gmail Three-Fragment Animation Scenario? http://stackoverflow.com/questions/12253965/complete-working-sample-of-the-gmail-three-fragment-animation-scenario and to take up the spot vacated by Fragment B And on a BACK button press we want that set of operations to be reversed...
Android: Override back button to act like home button http://stackoverflow.com/questions/2000102/android-override-back-button-to-act-like-home-button activities have the behavior that they are destroyed when BACK is pressed. When the user starts playing music in the Music.. playing music in the Music application and then presses BACK the application overrides the normal back behavior preventing.. int keyCode KeyEvent event if keyCode KeyEvent.KEYCODE_BACK Log.d this.getClass .getName back button pressed return super.onKeyDown..
Quitting an application - is that frowned upon? http://stackoverflow.com/questions/2033914/quitting-an-application-is-that-frowned-upon app at all see link in my question above . Pressing the BACK button does not kill the app . It finishes the activity that.. the activity that was on screen when the user pressed the BACK button. It should only terminate when the Users wants to terminate.. quit the application As everybody else told you users via BACK or your code via finish can close up your currently running..
Android: keep task's activity stack after restart from HOME http://stackoverflow.com/questions/2061143/android-keep-tasks-activity-stack-after-restart-from-home Debug A B HOME A Get A stack is cleared Case # 2. Debug A BACK A B HOME A Get B stack preserved Case # 3. A B HOME A Get B..
setResult does not work when BACK button pressed http://stackoverflow.com/questions/2679250/setresult-does-not-work-when-back-button-pressed does not work when BACK button pressed I am trying to setResult after the BACK button.. BACK button pressed I am trying to setResult after the BACK button was pressed. I call in onDestroy Intent data new Intent.. So how can I pass result from activity terminated by BACK button android share improve this question You need to..
http://stackoverflow.com/questions/3042420/home-key-press-behaviour of Activity1. Don't take my word for it. Just press BACK and see that it gets you to your Activity2 that you left when.. or command line or Open button etc. by pressing the BACK button as many times as needed and then enter the application.. the boolean field startedApp to true. If the user presses BACK from the screen you need to move the value for startedApp to..
Android SDK install problem [duplicate] http://stackoverflow.com/questions/4394584/android-sdk-install-problem 7 32 bit has the same behaviour as Windows XP SP3. Hit BACK and then NEXT again and you're able to install the Android SDK...
Call method when home button pressed on android [closed] http://stackoverflow.com/questions/4783960/call-method-when-home-button-pressed-on-android int keyCode KeyEvent event if keyCode KeyEvent.KEYCODE_BACK Log.d Test Back button pressed else if keyCode KeyEvent.KEYCODE_HOME.. not let you override its behavior the same way you do the BACK button. Take a look at this discussion. You will notice that..
Keyboard not shown when i click on edittextview in android? http://stackoverflow.com/questions/6977773/keyboard-not-shown-when-i-click-on-edittextview-in-android the EditText was unable to open the keyboard I pressed the BACK button to show an alert dialog and then I canceled closed it..
When a Fragment is replaced and put in the back stack (or removed) does it stay in memory? http://stackoverflow.com/questions/8482606/when-a-fragment-is-replaced-and-put-in-the-back-stack-or-removed-does-it-stay A from memory if it is needed by the system. Upon pressing BACK A will be recreated into memory as if it never left in the first..
Android update 17 seems incompatible with external Jars http://stackoverflow.com/questions/10046298/android-update-17-seems-incompatible-with-external-jars Do I need to get more recent versions of the jars that have those classes Or do I need to revert back to my previous version of java Or is this some totally unrelated problem that I'm just assuming has to do with the Java..
Android, How to manage start activity for result? http://stackoverflow.com/questions/10407159/android-how-to-manage-start-activity-for-result completely then after recording video if user clicks on done button then I'll send result address of recorded video back to main activity. How to check result from main activity android android intent share improve this question From your.. this SecondActivity.class startActivityForResult i 1 In your SecondActivity set the data which you want to return back to FirstActivity If you don't want to return back don't set any. eg In secondActivity if you want to send back data Intent.. i 1 In your SecondActivity set the data which you want to return back to FirstActivity If you don't want to return back don't set any. eg In secondActivity if you want to send back data Intent returnIntent new Intent returnIntent.putExtra result..
Saving Activity state in Android http://stackoverflow.com/questions/151777/saving-activity-state-in-android new TextView this if savedInstanceState null mTextView.setText Welcome to HelloAndroid else mTextView.setText Welcome back. setContentView mTextView private TextView mTextView null I thought that might be all one needed to do for the simplest.. myDouble 1.9 savedInstanceState.putInt MyInt 1 savedInstanceState.putString MyString Welcome back to Android etc. The Bundle is essentially a way of storing a NVP Name Value Pair map and it will get passed in to onCreate..
http://stackoverflow.com/questions/16636039/java-lang-classnotfoundexception-after-changing-nothing-in-the-project-but-upgra normally in my device. Then I stopped development for about 1 month. After the recent Google I O I decided to come back to development. What I first did was open the Android SDK Manager and update to the newly available packages I think it..
Quitting an application - is that frowned upon? http://stackoverflow.com/questions/2033914/quitting-an-application-is-that-frowned-upon check updates totally asynchronously e.g. via a scheduled task never on exit. Some comments suggest that hitting the back button does not kill the app at all see link in my question above . Pressing the BACK button does not kill the app . It..
Focusable EditText inside ListView http://stackoverflow.com/questions/2679948/focusable-edittext-inside-listview but the EditText can get focus when using the arrows. Focus search algorithm is hard to predict and no visual feedback on any rows having focusable children or not on which item is selected both of which can give the user an unexpected experience... I can change descendant focusability and set focus on the EditText. And when I navigate out of that header change it back it again. public void onItemSelected AdapterView listView View view int position long id if position 1 listView.setItemsCanFocus.. behavior but setItemsCanFocus false caused focus to jump from the EditText to another widget outside of the ListView back to the ListView and displayed the selector on the next selected item and that jumping focus was distracting. Removing the..
Download a file with Android, and showing the progress in a ProgressDialog http://stackoverflow.com/questions/3028306/download-a-file-with-android-and-showing-the-progress-in-a-progressdialog for your app. 1. Use AsyncTask and show the download progress in a dialog This method will allow you to execute some background processes and update the UI at the same time in this case we'll update a progress bar . This is an example code declare.. byte data new byte 4096 long total 0 int count while count input.read data 1 allow canceling with back button if isCancelled return null total count publishing the progress.... if fileLength 0 only if total length is known.. null connection.disconnect finally wl.release return null The method above doInBackground runs always on a background thread. You shouldn't do any UI tasks there. On the other hand the onProgressUpdate and onPreExecute run on the UI..
How to draw a path on a map using kml file? http://stackoverflow.com/questions/3109158/how-to-draw-a-path-on-a-map-using-kml-file urlCarMode NavigationDataSet navSet null for mode_any try pedestrian route calculation first if it fails fall back to car route if mode MODE_ANY mode MODE_WALKING navSet MapService.getNavigationDataSet urlPedestrianMode if mode MODE_ANY..
Strange out of memory issue while loading an image to a Bitmap object http://stackoverflow.com/questions/477572/strange-out-of-memory-issue-while-loading-an-image-to-a-bitmap-object click on my button to launch the image preview load an image off the SD card the application returns from the activity back to the listview activity to the result handler to relaunch my new activity which is nothing more than an image widget. The.. resized the image that came off the phone camera. The issue is that I get an out of memory error when it tries to go back and re launch the 2nd activity. Is there a way I can build the list adapter easily row by row where I can resize on the..
Android: How to declare global variables? http://stackoverflow.com/questions/708012/android-how-to-declare-global-variables authenticates Thanks android singleton global variables state share improve this question I wrote this answer back in '09 when Android was relatively new and there were many not well established areas in Android development. I have added..
Android Activity Life Cycle - What are all these methods for? http://stackoverflow.com/questions/8515936/android-activity-life-cycle-what-are-all-these-methods-for it. Always followed by onPause . onPause Called as part of the activity lifecycle when an activity is going into the background but has not yet been killed. The counterpart to onResume . When activity B is launched in front of activity A this.. but has not yet been killed. The counterpart to onResume . When activity B is launched in front of activity A this callback will be invoked on A. B will not be created until A's onPause returns so be sure to not do anything lengthy here. onStop.. loads the events are called as below onCreate onStart onResume When you click on Phone button the Activity goes to the background below events are called onPause onStop Exit the phone dialer below events will be called onRestart onStart onResume..
http://stackoverflow.com/questions/8657894/android-facebook-style-slide up we scroll the HSV to the offset of the first visible application View and when we want to show the menu we scroll back to reveal the menu through the transparent View. The code is here and the bottom two buttons called HorzScrollWithListMenu..
android - need some clarifications of fragments vs activities and views http://stackoverflow.com/questions/10478233/android-need-some-clarifications-of-fragments-vs-activities-and-views but you'd be working against the API not with it. The FragmentManager handles back for you in a very clever way. Back does not mean back to the last activity like for regular activities. It meeans back to the previous fragment state. You..
Android emulator doesn't take keyboard input - SDK tools rev 20 http://stackoverflow.com/questions/11235370/android-emulator-doesnt-take-keyboard-input-sdk-tools-rev-20 highlighted some of the more important configuration settings below If you notice that the soft screen based main keys Back Home etc. are missing from your emulator you can set hw.mainKeys no to enable them. Original answer Even though the developer..
How to test the performance of an Android application? http://stackoverflow.com/questions/1957135/how-to-test-the-performance-of-an-android-application
Android: Override back button to act like home button http://stackoverflow.com/questions/2000102/android-override-back-button-to-act-like-home-button then your Activity can finish as usual and the Service will still be running. A simpler approach is to capture the Back button press and call moveTaskToBack true as follows @Override public boolean onKeyDown int keyCode KeyEvent event if keyCode.. usual and the Service will still be running. A simpler approach is to capture the Back button press and call moveTaskToBack true as follows @Override public boolean onKeyDown int keyCode KeyEvent event if keyCode KeyEvent.KEYCODE_BACK moveTaskToBack.. as follows @Override public boolean onKeyDown int keyCode KeyEvent event if keyCode KeyEvent.KEYCODE_BACK moveTaskToBack true return true return super.onKeyDown keyCode event I think the preferred option should be for an Activity to finish normally..
Android: What is better - multiple activities or switching views manually? http://stackoverflow.com/questions/2072244/android-what-is-better-multiple-activities-or-switching-views-manually I choose more optimized but more complex to implement way with switching manually Views and then manually doing the Back button functionality What do you think or know is the better practice android share improve this question I would say.. don't think Android is designed for constantly switching its own views you miss out on so much. You have to implement Back yourself you don't get any inter Activity transitions you have to implement a lot of internal logic to resume an application..
Android: Prompt user to save changes when Back button is pressed http://stackoverflow.com/questions/2459848/android-prompt-user-to-save-changes-when-back-button-is-pressed Prompt user to save changes when Back button is pressed I have an activity that contains several user editable items an EditText field RatingBar etc . I'd like.. return true return super.onKeyDown keyCode event If you're only supporting Android 2.0 and higher they've added an onBackPressed you can use instead @Override public void onBackPressed do something on back. return This answer is essentially ripped.. only supporting Android 2.0 and higher they've added an onBackPressed you can use instead @Override public void onBackPressed do something on back. return This answer is essentially ripped from this blog post http android developers.blogspot.com..
Android - How To Override the “Back” button so it doesn't Finish() my Activity? http://stackoverflow.com/questions/3141996/android-how-to-override-the-back-button-so-it-doesnt-finish-my-activity How To Override the &ldquo Back&rdquo button so it doesn't Finish my Activity I currently have an Activity that when it gets displayed a Notification will.. Null Pointers as its trying to start a new activity rather than bringing back the old one. So essentially I want the Back button to act the exact same as the Home button and here is how I have tried so far @Override public boolean onKeyDown int.. android.os.Build.VERSION.SDK 5 keyCode KeyEvent.KEYCODE_BACK event.getRepeatCount 0 Log.d CDA onKeyDown Called onBackPressed return super.onKeyDown keyCode event public void onBackPressed Log.d CDA onBackPressed Called Intent setIntent..
How do you use Intent.FLAG_ACTIVITY_CLEAR_TOP to clear the Activity Stack? http://stackoverflow.com/questions/4342761/how-do-you-use-intent-flag-activity-clear-top-to-clear-the-activity-stack I'm trying to override the back button so that the user is sent back to the activity A and can then press Back to leave the activity rather than back to activity B again. activity B @Override public boolean onKeyDown int keyCode KeyEvent.. android.os.Build.VERSION_CODES.ECLAIR keyCode KeyEvent.KEYCODE_BACK event.getRepeatCount 0 onBackPressed return super.onKeyDown keyCode event @Override public void onBackPressed startActivity new Intent this UI.class .setFlags.. event.getRepeatCount 0 onBackPressed return super.onKeyDown keyCode event @Override public void onBackPressed startActivity new Intent this UI.class .setFlags Intent.FLAG_ACTIVITY_CLEAR_TOP Intent.FLAG_ACTIVITY_NEW_TASK return..
Android SDK installation doesn't find JDK http://stackoverflow.com/questions/4382178/android-sdk-installation-doesnt-find-jdk
Call method when home button pressed on android [closed] http://stackoverflow.com/questions/4783960/call-method-when-home-button-pressed-on-android Activities @Override public boolean onKeyDown int keyCode KeyEvent event if keyCode KeyEvent.KEYCODE_BACK Log.d Test Back button pressed else if keyCode KeyEvent.KEYCODE_HOME Log.d Test Home button pressed return super.onKeyDown keyCode event..
Android backup/restore: how to backup an internal database? http://stackoverflow.com/questions/5282936/android-backup-restore-how-to-backup-an-internal-database backup restore how to backup an internal database I have implemented a BackupAgentHelper using the provided FileBackupHelper to backup and restore the native database I have. This is the database.. backup restore how to backup an internal database I have implemented a BackupAgentHelper using the provided FileBackupHelper to backup and restore the native database I have. This is the database you typically use along with ContentProviders.. However the docs aren't clear on what to do http developer.android.com guide topics data backup.html . There is no BackupHelper specifically for these typical databases. Hence I used the FileBackupHelper pointed it to my .db file in databases..
http://stackoverflow.com/questions/5907369/file-upload-in-webview @Override public void onConfigurationChanged Configuration newConfig super.onConfigurationChanged newConfig To handle Back key press event for WebView to go back to previous screen. @Override public boolean onKeyDown int keyCode KeyEvent event.. screen. @Override public boolean onKeyDown int keyCode KeyEvent event if keyCode KeyEvent.KEYCODE_BACK web.canGoBack web.goBack return true return super.onKeyDown keyCode event Also I want to add that the upload page like the one in this.. @Override public boolean onKeyDown int keyCode KeyEvent event if keyCode KeyEvent.KEYCODE_BACK web.canGoBack web.goBack return true return super.onKeyDown keyCode event Also I want to add that the upload page like the one in this example wont..
Separate Back Stack for each tab in Android using Fragments http://stackoverflow.com/questions/6987334/separate-back-stack-for-each-tab-in-android-using-fragments Back Stack for each tab in Android using Fragments I'm trying to implement tabs for navigation in an Android app. Since TabActivity..
Android app out of memory issues - tried everything and still at a loss http://stackoverflow.com/questions/7536988/android-app-out-of-memory-issues-tried-everything-and-still-at-a-loss memory upon loading and instead crashes. I would expect these earlier activities to die and be resurrected if I ever Back to them via onCreate and onRestoreInstanceState . Let alone this even if I do P1 B1 Back B1 Back B1 I still get a crash... and be resurrected if I ever Back to them via onCreate and onRestoreInstanceState . Let alone this even if I do P1 B1 Back B1 Back B1 I still get a crash. This indicates some sort of a memory leak yet even after dumping hprof and using MAT and.. resurrected if I ever Back to them via onCreate and onRestoreInstanceState . Let alone this even if I do P1 B1 Back B1 Back B1 I still get a crash. This indicates some sort of a memory leak yet even after dumping hprof and using MAT and JProfiler..
android.app.Application cannot be instantiated due to NullPointerException http://stackoverflow.com/questions/9039017/android-app-application-cannot-be-instantiated-due-to-nullpointerexception onDateChanged DatePicker view int year int monthOfYear int dayOfMonth Submit will add modify the data in xml file. Back will start ReminderList activity Button submit Button findViewById R.id.entry_submit Button back Button findViewById R.id.entry_back..
How to force use of overflow menu on devices with menu button http://stackoverflow.com/questions/9286822/how-to-force-use-of-overflow-menu-on-devices-with-menu-button simply because the layout of the ActionBar can't fit them on the bar. On the emulator I can set the Hardware Back Home Keys value to no and get this effect. I've searched for a way to do this in code for an actual device that has a menu..
Android emulator doesn't take keyboard input - SDK tools rev 20 http://stackoverflow.com/questions/11235370/android-emulator-doesnt-take-keyboard-input-sdk-tools-rev-20 .android avd .avd config.ini do echo 'hw.keyboard yes' f done On a related note if your tablet emulator is missing the BACK HOME buttons try selecting WXGA800 as the Built in skin in the AVD editor Or by manually setting the skin in config.ini..
Jelly Bean DatePickerDialog — is there a way to cancel? http://stackoverflow.com/questions/11444238/jelly-bean-datepickerdialog-is-there-a-way-to-cancel @Override public void onClick DialogInterface dialog int which Log.d Picker Cancel Expected Pressing the BACK key or clicking outside the dialog should do nothing . Pressing Cancel should print Picker Cancel . Pressing Set should.. do nothing . Pressing Cancel should print Picker Cancel . Pressing Set should print Picker Set . Current Pressing the BACK key or clicking outside the dialog prints Picker Set . Pressing Cancel prints Picker Cancel and then Picker Set . Pressing..
Complete Working Sample of the Gmail Three-Fragment Animation Scenario? http://stackoverflow.com/questions/12253965/complete-working-sample-of-the-gmail-three-fragment-animation-scenario A Fragment C to slide in from the right side of the screen and to take up the spot vacated by Fragment B And on a BACK button press we want that set of operations to be reversed. Now I have seen lots of partial implementations I'll review..
Android: Override back button to act like home button http://stackoverflow.com/questions/2000102/android-override-back-button-to-act-like-home-button destroyed state. In the Android docs it states ...not all activities have the behavior that they are destroyed when BACK is pressed. When the user starts playing music in the Music application and then presses BACK the application overrides.. they are destroyed when BACK is pressed. When the user starts playing music in the Music application and then presses BACK the application overrides the normal back behavior preventing the player activity from being destroyed and continues playing.. s the home button calls. @Override public boolean onKeyDown int keyCode KeyEvent event if keyCode KeyEvent.KEYCODE_BACK Log.d this.getClass .getName back button pressed return super.onKeyDown keyCode event Capture the back button press and..
Quitting an application - is that frowned upon? http://stackoverflow.com/questions/2033914/quitting-an-application-is-that-frowned-upon suggest that hitting the back button does not kill the app at all see link in my question above . Pressing the BACK button does not kill the app . It finishes the activity that was on screen when the user pressed the BACK button. It should.. Pressing the BACK button does not kill the app . It finishes the activity that was on screen when the user pressed the BACK button. It should only terminate when the Users wants to terminate it never ever any other way. If you cant write apps that.. termination of the app. Is there a way for me to really quit the application As everybody else told you users via BACK or your code via finish can close up your currently running activity. Users generally don't need anything else for properly..
Android: keep task's activity stack after restart from HOME http://stackoverflow.com/questions/2061143/android-keep-tasks-activity-stack-after-restart-from-home
setResult does not work when BACK button pressed http://stackoverflow.com/questions/2679250/setresult-does-not-work-when-back-button-pressed does not work when BACK button pressed I am trying to setResult after the BACK button was pressed. I call in onDestroy Intent data new Intent setResult.. does not work when BACK button pressed I am trying to setResult after the BACK button was pressed. I call in onDestroy Intent data new Intent setResult RESULT_OK data But when it comes to onActivityResult.. data the resultCode is 0 RESULT_CANCELED and data is 'null'. So how can I pass result from activity terminated by BACK button android share improve this question You need to overide the onBackPressed method and set the result before the..
http://stackoverflow.com/questions/3042420/home-key-press-behaviour and then press the application icon it will open a new instance of Activity1. Don't take my word for it. Just press BACK and see that it gets you to your Activity2 that you left when you pressed HOME. It seems that the launcher activity is not.. to exit the application the first time it was started from Eclipse or command line or Open button etc. by pressing the BACK button as many times as needed and then enter the application again. From then on the behavior will be as expected. EDIT.. In HomeActivity.class you set inside the onCreate method the boolean field startedApp to true. If the user presses BACK from the screen you need to move the value for startedApp to false. public class HomeActivity extends Activity @Override..
Android SDK install problem [duplicate] http://stackoverflow.com/questions/4394584/android-sdk-install-problem
Call method when home button pressed on android [closed] http://stackoverflow.com/questions/4783960/call-method-when-home-button-pressed-on-android one of my Android Activities @Override public boolean onKeyDown int keyCode KeyEvent event if keyCode KeyEvent.KEYCODE_BACK Log.d Test Back button pressed else if keyCode KeyEvent.KEYCODE_HOME Log.d Test Home button pressed return super.onKeyDown.. button to override and because of that Android will not let you override its behavior the same way you do the BACK button. Take a look at this discussion. You will notice that the home button seems to be implemented as a intent invocation..
Keyboard not shown when i click on edittextview in android? http://stackoverflow.com/questions/6977773/keyboard-not-shown-when-i-click-on-edittextview-in-android of SDKs . I noticed a strange thing that when my click on the EditText was unable to open the keyboard I pressed the BACK button to show an alert dialog and then I canceled closed it and clicked the EditText again now the keyboard was brought..
When a Fragment is replaced and put in the back stack (or removed) does it stay in memory? http://stackoverflow.com/questions/8482606/when-a-fragment-is-replaced-and-put-in-the-back-stack-or-removed-does-it-stay B while B is on screen the system is able to remove A from memory if it is needed by the system. Upon pressing BACK A will be recreated into memory as if it never left in the first place. I have looked for a clear explanation of what happens..
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