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2014/10/16 ¤W¤È 08:22:44
android Programming Glossary: restoringFragment onCreateView and onActivityCreated called twice http://stackoverflow.com/questions/10983396/fragment-oncreateview-and-onactivitycreated-called-twice
android onCreateOptionsMenu called twice when restoring state http://stackoverflow.com/questions/11003941/android-oncreateoptionsmenu-called-twice-when-restoring-state onCreateOptionsMenu called twice when restoring state Here's a simple android app I've created to demonstrate..
Best way to persist data between orientation changes in Android http://stackoverflow.com/questions/11578025/best-way-to-persist-data-between-orientation-changes-in-android all primitive data types in onSaveInstanceState Bundle and restoring them in onRestoreInstanceState . Also I am writing my custom..
Android - restore last viewed Activity http://stackoverflow.com/questions/1450019/android-restore-last-viewed-activity automagically into the Bundle in onSaveInstanceState then restoring them in onRestoreInstanceState . This is kind of a hack but.. e.commit super.onResume You'll also have to handle saving restoring the data for each Activity manually. You could save all the..
How to cache bitmaps into native memory http://stackoverflow.com/questions/17900732/how-to-cache-bitmaps-into-native-memory memory for the cache itself. Code is only for storing and restoring. if you need to perform some operations you will need to perform..
OAuth instance state in Android http://stackoverflow.com/questions/1965568/oauth-instance-state-in-android handles all exceptions and sets the httpClient while restoring. protected void loadProviderConsumer try FileInputStream fin..
Detect application heap size in Android http://stackoverflow.com/questions/2630158/detect-application-heap-size-in-android my advice would be to work long and hard on the saving and restoring of your app's state so that the user's experience is virtually..
How to save state during orientation change in Android if the state is made of my classes? http://stackoverflow.com/questions/3915952/how-to-save-state-during-orientation-change-in-android-if-the-state-is-made-of-m to be redone it's not a substitute for properly saving and restoring activity state. But back when I first answered this in 2010..
http://stackoverflow.com/questions/4322367/i-lost-my-keystore-file same problem. I was trying to restore it via deleted files restoring tools but it failed. So there is no other way you should issue..
how do you save android emulator snapshot? http://stackoverflow.com/questions/4842612/how-do-you-save-android-emulator-snapshot saving the state of the emulator into a big file and restoring its state from the file later. There are a couple of ways to..
Android - disable landscape mode? http://stackoverflow.com/questions/582185/android-disable-landscape-mode think about activity lifecycle events or properly saving restoring state. There are plenty of things besides app rotation that..
Android Gauge Animation Question http://stackoverflow.com/questions/6156674/android-gauge-animation-question canvas.save then clipping a path on the white image then restoring the canvas. However i do not know how to clip in a circular..
When to use FragmentManager::putFragment and getFragment http://stackoverflow.com/questions/6446961/when-to-use-fragmentmanagerputfragment-and-getfragment are only useful when implementing onSaveInstanceState and restoring that state in onCreate . If you are not implementing onSaveInstanceState..
Android: Saving Fragment state in ViewPager? http://stackoverflow.com/questions/6834518/android-saving-fragment-state-in-viewpager Demo. I can't help you. I think the normal techniques for restoring state in Fragements Activities apply here so nothing special..
Maintain WebView content scroll position on orientation change http://stackoverflow.com/questions/6855715/maintain-webview-content-scroll-position-on-orientation-change and landscape. I've tried saving the WebView state and restoring it but this resuls in the content being displayed at the top..
Actionbar 3 tabs and 3 fragments - this is killing me http://stackoverflow.com/questions/7958458/actionbar-3-tabs-and-3-fragments-this-is-killing-me orientation does not fix it. I've looked into saving and restoring state but i'm not seeing how those would help. EDIT module level..
Android Fragment onCreateView vs. onActivityCreated http://stackoverflow.com/questions/8041206/android-fragment-oncreateview-vs-onactivitycreated should do it in the onActivityCreated method as well as restoring the view state when setRetainInstance used to do so. Also accessing..
Rotating Image on A canvas in android http://stackoverflow.com/questions/8712652/rotating-image-on-a-canvas-in-android Canvas.MATRIX_SAVE_FLAG Saving the canvas and later restoring it so only this image will be rotated. yourCanvas.rotate angle..
Fragment onCreateView and onActivityCreated called twice http://stackoverflow.com/questions/10983396/fragment-oncreateview-and-onactivitycreated-called-twice
android onCreateOptionsMenu called twice when restoring state http://stackoverflow.com/questions/11003941/android-oncreateoptionsmenu-called-twice-when-restoring-state onCreateOptionsMenu called twice when restoring state Here's a simple android app I've created to demonstrate my problem public class OptionMenuTest extends Activity @Override..
Best way to persist data between orientation changes in Android http://stackoverflow.com/questions/11578025/best-way-to-persist-data-between-orientation-changes-in-android info like which screen 1 or 2 or 3 Text view labels and all primitive data types in onSaveInstanceState Bundle and restoring them in onRestoreInstanceState . Also I am writing my custom search results Object array to file and retriving and deleting..
Android - restore last viewed Activity http://stackoverflow.com/questions/1450019/android-restore-last-viewed-activity and #2 just requires saving any values that aren't managed automagically into the Bundle in onSaveInstanceState then restoring them in onRestoreInstanceState . This is kind of a hack but I think your best option for #1 in the case of the app actually.. this .edit e.putString last_activity getClass .getSimpleName e.commit super.onResume You'll also have to handle saving restoring the data for each Activity manually. You could save all the values you need into the preferences inside the onPause of each..
How to cache bitmaps into native memory http://stackoverflow.com/questions/17900732/how-to-cache-bitmaps-into-native-memory with your own LruCache while avoiding using the heap memory for the cache itself. Code is only for storing and restoring. if you need to perform some operations you will need to perform some research. openCV might be the answer but if you wish..
OAuth instance state in Android http://stackoverflow.com/questions/1965568/oauth-instance-state-in-android more complete. It saves restores both the provider and consumer handles all exceptions and sets the httpClient while restoring. protected void loadProviderConsumer try FileInputStream fin this.openFileInput tmp_provider.dat ObjectInputStream ois new..
Detect application heap size in Android http://stackoverflow.com/questions/2630158/detect-application-heap-size-in-android go over the number of megabytes specified in getMemoryClass my advice would be to work long and hard on the saving and restoring of your app's state so that the user's experience is virtually uninterrupted if an onStop onResume cycle occurs. In my case..
How to save state during orientation change in Android if the state is made of my classes? http://stackoverflow.com/questions/3915952/how-to-save-state-during-orientation-change-in-android-if-the-state-is-made-of-m but not critical to your activity functioning if they need to be redone it's not a substitute for properly saving and restoring activity state. But back when I first answered this in 2010 If you want to retain your own non view state data you can actually..
http://stackoverflow.com/questions/4322367/i-lost-my-keystore-file android sdk 2.1 share improve this question Faced the same problem. I was trying to restore it via deleted files restoring tools but it failed. So there is no other way you should issue another application. Generally the only advise that exists..
how do you save android emulator snapshot? http://stackoverflow.com/questions/4842612/how-do-you-save-android-emulator-snapshot pretty cool It's like the hibernate feature on a laptop. You're saving the state of the emulator into a big file and restoring its state from the file later. There are a couple of ways to get it. The first way is to set your desired options in the..
Android - disable landscape mode? http://stackoverflow.com/questions/582185/android-disable-landscape-mode 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 destruction recreation including unavoidable..
Android Gauge Animation Question http://stackoverflow.com/questions/6156674/android-gauge-animation-question applying the Gauge first to the canvas then saving the canvas canvas.save then clipping a path on the white image then restoring the canvas. However i do not know how to clip in a circular fashion starting from bottom left to a 180 degress to the bottom..
When to use FragmentManager::putFragment and getFragment http://stackoverflow.com/questions/6446961/when-to-use-fragmentmanagerputfragment-and-getfragment share improve this question The basic answer These are only useful when implementing onSaveInstanceState and restoring that state in onCreate . If you are not implementing onSaveInstanceState you can forget about these methods and pretend..
Android: Saving Fragment state in ViewPager? http://stackoverflow.com/questions/6834518/android-saving-fragment-state-in-viewpager as long as they are availible. About the state part of the Demo. I can't help you. I think the normal techniques for restoring state in Fragements Activities apply here so nothing special when loading it in a ViewPager but I might be wrong . share..
Maintain WebView content scroll position on orientation change http://stackoverflow.com/questions/6855715/maintain-webview-content-scroll-position-on-orientation-change solution for me as I need to have different layouts in portrait and landscape. I've tried saving the WebView state and restoring it but this resuls in the content being displayed at the top again. Furthermore attempting to scroll in onPageFinished using..
Actionbar 3 tabs and 3 fragments - this is killing me http://stackoverflow.com/questions/7958458/actionbar-3-tabs-and-3-fragments-this-is-killing-me become disconnected. As expected going back to the original orientation does not fix it. I've looked into saving and restoring state but i'm not seeing how those would help. EDIT module level Fragment mFragmentA Fragment new AFragmentTab Fragment..
Android Fragment onCreateView vs. onActivityCreated http://stackoverflow.com/questions/8041206/android-fragment-oncreateview-vs-onactivitycreated you for instance fill some lists from the adapter then you should do it in the onActivityCreated method as well as restoring the view state when setRetainInstance used to do so. Also accessing the view hierarchy of the parent activity must be done..
Rotating Image on A canvas in android http://stackoverflow.com/questions/8712652/rotating-image-on-a-canvas-in-android also do it by rotating the canvas before drawing yourCanvas.save Canvas.MATRIX_SAVE_FLAG Saving the canvas and later restoring it so only this image will be rotated. yourCanvas.rotate angle yourCanvas.drawBitmap yourBitmap left top null yourCanvas.restore..
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