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2014/10/16 ¤W¤È 08:17:53
android Programming Glossary: lifecycleUnderstanding Fragment's setRetainInstance(boolean) http://stackoverflow.com/questions/11182180/understanding-fragments-setretaininstanceboolean with fragments not in the back stack. If set the fragment lifecycle will be slightly different when an activity is recreated onDestroy..
Quitting an application - is that frowned upon? http://stackoverflow.com/questions/2033914/quitting-an-application-is-that-frowned-upon handles this automatically. That's what the activity lifecycle especially onPause onStop onDestroy is for. No matter what you..
What is the simplest and most robust way to get the user's current location in Android? http://stackoverflow.com/questions/3145089/what-is-the-simplest-and-most-robust-way-to-get-the-users-current-location-in-a location providers GPS and NETWORK and manage each's lifecycle. Not only that but I have to duplicate the same code in multiple..
What is the Android UiThread (UI thread) http://stackoverflow.com/questions/3652560/what-is-the-android-uithread-ui-thread application is a single Activity class. Then all of the lifecycle methods and most of your event handling code is run in this..
Difference between Activity Context and Application Context http://stackoverflow.com/questions/4128589/difference-between-activity-context-and-application-context of Context but the application instance is tied to the lifecycle of the application while the Activity instance is tied to the.. the application while the Activity instance is tied to the lifecycle of an Activity. Thus they have access to different information.. that you should only use this if you need a context whose lifecycle is separate from the current context. This doesn't apply in..
How do you to retrieve dimensions of a view? Getheight() and Getwidth() always return zero http://stackoverflow.com/questions/4142090/how-do-you-to-retrieve-dimensions-of-a-view-getheight-and-getwidth-always-r 0 Why eof method eof class android layout android widget lifecycle measure share improve this question I believe the OP is long..
Using the Android Application class to persist data http://stackoverflow.com/questions/4208886/using-the-android-application-class-to-persist-data any advice on this topic. Thanks android application lifecycle share improve this question I don't think 500kb will be that..
Android BroadcastReceiver on startup http://stackoverflow.com/questions/5290141/android-broadcastreceiver-on-startup is running. How can I achieve this I've looked through the lifecycle of the BroadcastReceiver but all that is mentioned in the documentation.. but all that is mentioned in the documentation is that the lifecycle is limited to the onReceive method not the lifecycle of keeping.. the lifecycle is limited to the onReceive method not the lifecycle of keeping the BroadcastReceiver checking for incoming sms...
Android - disable landscape mode? http://stackoverflow.com/questions/582185/android-disable-landscape-mode does not absolve you of having to think about activity lifecycle events or properly saving restoring state. There are plenty..
Usage CursorLoader without ContentProvider http://stackoverflow.com/questions/7182485/usage-cursorloader-without-contentprovider the activity to take care of managing the given Cursor's lifecycle for you based on the activity's lifecycle. That is when the.. given Cursor's lifecycle for you based on the activity's lifecycle. That is when the activity is stopped it will automatically..
Display fragment viewpager within a fragment http://stackoverflow.com/questions/7700226/display-fragment-viewpager-within-a-fragment not ideal. The issue then must be related to the fragment lifecycle. My question therefore is this Has anybody else found a way.. b android android fragments android viewpager android lifecycle share improve this question use AsyncTask to set the adapter..
ViewPager and fragments ??what's the right way to store fragment's state? http://stackoverflow.com/questions/7951730/viewpager-and-fragments-whats-the-right-way-to-store-fragments-state UI logic into some modules. But along with ViewPager it's lifecycle is still misty for me. So Guru thoughts are badly needed Edit..
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 called and how should they be used properly android lifecycle oncreate onresume ondestroy share improve this question See.. by onPause . onPause Called as part of the activity lifecycle when an activity is going into the background but has not yet..
Creating an Android Service with Phonegap? (Have phonegap app run even when closed) http://stackoverflow.com/questions/10343828/creating-an-android-service-with-phonegap-have-phonegap-app-run-even-when-clos activity. An activity can have 3 states based on the Lifecycle of activites visible invisible but still loaded not loaded I..
What's onCreate(Bundle savedInstanceState) http://stackoverflow.com/questions/10810418/whats-oncreatebundle-savedinstancestate if the activity needs to be re created. See the Process Lifecycle section for more information on how the lifecycle of a process..
How to detect “Recent Apps” system button clicks (Honeycomb+) http://stackoverflow.com/questions/12478826/how-to-detect-recent-apps-system-button-clicks-honeycomb share improve this question None of standard Activity Lifecycle methods is called when Recent Apps button pressed. Activity..
http://stackoverflow.com/questions/17234561/build-gradle-and-project-libs configuring pro ject ' MyApp'. at org.gradle.configuration.LifecycleProjectEvaluator.addConfigurationFa ilure LifecycleProjectEvaluator.java.. ilure LifecycleProjectEvaluator.java 79 at org.gradle.configuration.LifecycleProjectEvaluator.notifyAfterEvaluat.. 79 at org.gradle.configuration.LifecycleProjectEvaluator.notifyAfterEvaluat e LifecycleProjectEvaluator.java..
onPause/onResume activity issues http://stackoverflow.com/questions/2441145/onpause-onresume-activity-issues using onRestoreInstanceState . This might be useful. EDIT Lifecycle covers different scenarios. If you have only one Activity pressing..
How to detect if any of my activity is front-most and visible to user? http://stackoverflow.com/questions/3136187/how-to-detect-if-any-of-my-activity-is-front-most-and-visible-to-user activity but you could do something combining the Activity Lifecycle and a flag. For the flag if you've extended the Application..
Problems understanding the life cycle when screen goes off and on http://stackoverflow.com/questions/3407192/problems-understanding-the-life-cycle-when-screen-goes-off-and-on lifecycle share improve this question See Activity Lifecycle documentation for a good description of the lifecycle with diagrams...
Android Application Class Lifecycle http://stackoverflow.com/questions/4585627/android-application-class-lifecycle Application Class Lifecycle The android app I am working on overrides the Application class..
Unregister Broadcast Receiver - Android http://stackoverflow.com/questions/4957461/unregister-broadcast-receiver-android the broadcast is fired received. See Broadcast Receiver Lifecycle . For dynamically registering unregistering of BroadcastReceiver..
Difference between onCreate() and onStart()? [duplicate] http://stackoverflow.com/questions/6812003/difference-between-oncreate-and-onstart clear your confusion. And take a look here for details. Lifecycle Methods in Details is a very good example and demo application..
Android onActivityResult NEVER called http://stackoverflow.com/questions/7812120/android-onactivityresult-never-called filemanagerstring is the right one for you Lifecycle functions are often called out of order and intermittently for..
PhoneGap camera restarts the application http://stackoverflow.com/questions/8368091/phonegap-camera-restarts-the-application died. That is why the app is restarted. It's on Android Lifecycle docs http developer.android.com reference android app Activity.html..
Understanding Fragment's setRetainInstance(boolean) http://stackoverflow.com/questions/11182180/understanding-fragments-setretaininstanceboolean such as from a configuration change . This can only be used with fragments not in the back stack. If set the fragment lifecycle will be slightly different when an activity is recreated onDestroy will not be called but onDetach still will be because..
Quitting an application - is that frowned upon? http://stackoverflow.com/questions/2033914/quitting-an-application-is-that-frowned-upon the application Answer Romain Guy The user doesn't the system handles this automatically. That's what the activity lifecycle especially onPause onStop onDestroy is for. No matter what you do do not put a quit or exit application button. It is useless..
What is the simplest and most robust way to get the user's current location in Android? http://stackoverflow.com/questions/3145089/what-is-the-simplest-and-most-robust-way-to-get-the-users-current-location-in-a hard but it appears to me that I have to spin up two different location providers GPS and NETWORK and manage each's lifecycle. Not only that but I have to duplicate the same code in multiple activities to satisfy #2. I've tried using getBestProvider..
What is the Android UiThread (UI thread) http://stackoverflow.com/questions/3652560/what-is-the-android-uithread-ui-thread are performed in this thread. For instance lets say your application is a single Activity class. Then all of the lifecycle methods and most of your event handling code is run in this UIThread. These are methods like OnCreate OnPause OnDestroy..
Difference between Activity Context and Application Context http://stackoverflow.com/questions/4128589/difference-between-activity-context-and-application-context context share improve this question They are both instances of Context but the application instance is tied to the lifecycle of the application while the Activity instance is tied to the lifecycle of an Activity. Thus they have access to different.. but the application instance is tied to the lifecycle of the application while the Activity instance is tied to the lifecycle of an Activity. Thus they have access to different information about the application environment. If you read the docs at.. If you read the docs at getApplicationContext it notes that you should only use this if you need a context whose lifecycle is separate from the current context. This doesn't apply in either of your examples. The Activity context presumably has..
How do you to retrieve dimensions of a view? Getheight() and Getwidth() always return zero http://stackoverflow.com/questions/4142090/how-do-you-to-retrieve-dimensions-of-a-view-getheight-and-getwidth-always-r getHeight returned 0 Why vw tv.getWidth getWidth returned 0 Why eof method eof class android layout android widget lifecycle measure share improve this question I believe the OP is long gone but in case this answer is able to help future searchers..
Using the Android Application class to persist data http://stackoverflow.com/questions/4208886/using-the-android-application-class-to-persist-data due to memory constraints on mobile devices I really appreciate any advice on this topic. Thanks android application lifecycle share improve this question I don't think 500kb will be that big of a deal. What you described is exactly how I tackled..
Android BroadcastReceiver on startup http://stackoverflow.com/questions/5290141/android-broadcastreceiver-on-startup to be running all the time not just when my debug Activity is running. How can I achieve this I've looked through the lifecycle of the BroadcastReceiver but all that is mentioned in the documentation is that the lifecycle is limited to the onReceive.. I've looked through the lifecycle of the BroadcastReceiver but all that is mentioned in the documentation is that the lifecycle is limited to the onReceive method not the lifecycle of keeping the BroadcastReceiver checking for incoming sms. How can.. but all that is mentioned in the documentation is that the lifecycle is limited to the onReceive method not the lifecycle of keeping the BroadcastReceiver checking for incoming sms. How can I make this persistent Many thanks Steve android ..
Android - disable landscape mode? http://stackoverflow.com/questions/582185/android-disable-landscape-mode applied to. The major caveats with forced portrait This does not absolve you of having to think about activity lifecycle events or properly saving restoring state. There are plenty of things besides app rotation that can trigger an activity..
Usage CursorLoader without ContentProvider http://stackoverflow.com/questions/7182485/usage-cursorloader-without-contentprovider through the Android compatibility package. This method allows the activity to take care of managing the given Cursor's lifecycle for you based on the activity's lifecycle. That is when the activity is stopped it will automatically call deactivate on.. This method allows the activity to take care of managing the given Cursor's lifecycle for you based on the activity's lifecycle. That is when the activity is stopped it will automatically call deactivate on the given Cursor and when it is later restarted..
Display fragment viewpager within a fragment http://stackoverflow.com/questions/7700226/display-fragment-viewpager-within-a-fragment when pressed the ViewPager successfully loads. This is not ideal. The issue then must be related to the fragment lifecycle. My question therefore is this Has anybody else found a way around this issue and if so how Is there some way to delay settings.. position mCursor return TeamCardFragment.newInstance b android android fragments android viewpager android lifecycle share improve this question use AsyncTask to set the adapter for viewPager. It works for me. The asyncTask is to make..
ViewPager and fragments ??what's the right way to store fragment's state? http://stackoverflow.com/questions/7951730/viewpager-and-fragments-whats-the-right-way-to-store-fragments-state state Fragments seem to be very nice for separetion of UI logic into some modules. But along with ViewPager it's lifecycle is still misty for me. So Guru thoughts are badly needed Edit See dumb solution below Scope Main activity has a ViewPager..
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 onPause onStop onDestroy called at the end When are these methods called and how should they be used properly android lifecycle oncreate onresume ondestroy share improve this question See Activity Life Cycle here onCreate Called when the activity.. of the activity stack with user input going to 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..
Creating an Android Service with Phonegap? (Have phonegap app run even when closed) http://stackoverflow.com/questions/10343828/creating-an-android-service-with-phonegap-have-phonegap-app-run-even-when-clos native. Update 1 JS code can only be executed with the Droidgap activity. An activity can have 3 states based on the Lifecycle of activites visible invisible but still loaded not loaded I provided a sample in which I implemented a Phonegap plugin...
What's onCreate(Bundle savedInstanceState) http://stackoverflow.com/questions/10810418/whats-oncreatebundle-savedinstancestate into the given Bundle to be later received in onCreate Bundle if the activity needs to be re created. See the Process Lifecycle section for more information on how the lifecycle of a process is tied to the activities it is hosting. Note that it is..
How to detect “Recent Apps” system button clicks (Honeycomb+) http://stackoverflow.com/questions/12478826/how-to-detect-recent-apps-system-button-clicks-honeycomb ask android button user interface android 3.0 android 4.0 share improve this question None of standard Activity Lifecycle methods is called when Recent Apps button pressed. Activity will stay active after list of recent apps popups. Through semi..
http://stackoverflow.com/questions/17234561/build-gradle-and-project-libs A problem occurred configuring pro ject ' MyApp'. at org.gradle.configuration.LifecycleProjectEvaluator.addConfigurationFa ilure LifecycleProjectEvaluator.java 79 at org.gradle.configuration.LifecycleProjectEvaluator.notifyAfterEvaluat.. occurred configuring pro ject ' MyApp'. at org.gradle.configuration.LifecycleProjectEvaluator.addConfigurationFa ilure LifecycleProjectEvaluator.java 79 at org.gradle.configuration.LifecycleProjectEvaluator.notifyAfterEvaluat e LifecycleProjectEvaluator.java.. ilure LifecycleProjectEvaluator.java 79 at org.gradle.configuration.LifecycleProjectEvaluator.notifyAfterEvaluat e LifecycleProjectEvaluator.java 74 at org.gradle.configuration.LifecycleProjectEvaluator.evaluate..
onPause/onResume activity issues http://stackoverflow.com/questions/2441145/onpause-onresume-activity-issues to save your state using onSaveInstanceState and restore it using onRestoreInstanceState . This might be useful. EDIT Lifecycle covers different scenarios. If you have only one Activity pressing Back is equivalent to exiting your application. If you..
How to detect if any of my activity is front-most and visible to user? http://stackoverflow.com/questions/3136187/how-to-detect-if-any-of-my-activity-is-front-most-and-visible-to-user know that there's a method to get the currently displayed activity but you could do something combining the Activity Lifecycle and a flag. For the flag if you've extended the Application class that's probably a decent place to store it. For extending..
Problems understanding the life cycle when screen goes off and on http://stackoverflow.com/questions/3407192/problems-understanding-the-life-cycle-when-screen-goes-off-and-on executes ... no log for removed screen lock android screen lifecycle share improve this question See Activity Lifecycle documentation for a good description of the lifecycle with diagrams. Most likely your activity is killed with the screen..
Android Application Class Lifecycle http://stackoverflow.com/questions/4585627/android-application-class-lifecycle Application Class Lifecycle The android app I am working on overrides the Application class to store lightweight state username gps location etc in..
Unregister Broadcast Receiver - Android http://stackoverflow.com/questions/4957461/unregister-broadcast-receiver-android method. So this evaluates to a throw away instance every time the broadcast is fired received. See Broadcast Receiver Lifecycle . For dynamically registering unregistering of BroadcastReceiver s you have to remember the instance of your receiver in..
Difference between onCreate() and onStart()? [duplicate] http://stackoverflow.com/questions/6812003/difference-between-oncreate-and-onstart onStop super.onStop Log.i TAG On Stop ..... Hope this will clear your confusion. And take a look here for details. Lifecycle Methods in Details is a very good example and demo application which is a very good article to understand the life cycle...
Android onActivityResult NEVER called http://stackoverflow.com/questions/7812120/android-onactivityresult-never-called selectedImagePath is the right one for you else System.out.println filemanagerstring is the right one for you Lifecycle functions are often called out of order and intermittently for Activities within a tabhost tabgroup so I checked to see..
PhoneGap camera restarts the application http://stackoverflow.com/questions/8368091/phonegap-camera-restarts-the-application action and when the camera is done your activity has already died. That is why the app is restarted. It's on Android Lifecycle docs http developer.android.com reference android app Activity.html If an activity is completely obscured by another activity..
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