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2014/10/16 ¤W¤È 08:09:31
android Programming Glossary: addtobackstackHow can I maintain fragment state when added to the back stack? http://stackoverflow.com/questions/11353075/how-can-i-maintain-fragment-state-when-added-to-the-back-stack android.R.id.content new FragmentB transaction.addToBackStack null transaction.commit public static class FragmentA extends.. creation Here's what the docs say Whereas if you do call addToBackStack when removing a fragment then the fragment is stopped and will..
Problems with Android Fragment back stack http://stackoverflow.com/questions/12529499/problems-with-android-fragment-back-stack have imagined this would be accomplished by not calling addToBackStack .. when creating the transaction that brings fragment 2 into.. again when user presses back button on 3 I must not call addToBackStack in the transaction that shows fragment 3 . This seems completely.. transaction.replace R.id.detailFragment frag transaction.addToBackStack null transaction.commit Create third fragment Dont add this..
Android 4.2: back stack behaviour with nested fragments http://stackoverflow.com/questions/13418436/android-4-2-back-stack-behaviour-with-nested-fragments . When using getChildFragmentManager and addToBackStack String name by pressing the back button the system does not.. On the other hand when using getFragmentManager and addToBackStack String name by pressing the back button the system returns to.. wrapper1 getSupportFragmentManager .beginTransaction .addToBackStack null .add 1 new Fragment1 .commit public class Fragment1 extends..
how i can break things with Fragments with setRetainInstance(true) and adding them to backstack? http://stackoverflow.com/questions/13420448/how-i-can-break-things-with-fragments-with-setretaininstancetrue-and-adding-th ft.replace R.id.content new OrderFragment ft.addToBackStack null ft.commit then I create log msg from onCreate onDestroy.. in the API docs so I wrote up this answer . If both addToBackStack and setRetainInstance true are called setRetainInstance partly.. values on configuration changes compared to calling only addToBackStack . Specifically in the test below looking a differences between..
How to keep only first added Fragment in back stack (fragment overlapping)? http://stackoverflow.com/questions/14269350/how-to-keep-only-first-added-fragment-in-back-stack-fragment-overlapping to remove the previous transaction and addToBackStack on all transactions. On this workaround you can also use some.. .remove .add Transaction.remove info .add detail1 .addToBackStack null 1st time Transaction.remove detail1 .add detail2 2nd time..
Dynamically changing the fragments inside a fragment tab host? http://stackoverflow.com/questions/18120510/dynamically-changing-the-fragments-inside-a-fragment-tab-host public void replaceFragment Fragment fragment boolean addToBackStack FragmentTransaction transaction getChildFragmentManager .beginTransaction.. transaction getChildFragmentManager .beginTransaction if addToBackStack transaction.addToBackStack null transaction.replace R.id.container_framelayout.. .beginTransaction if addToBackStack transaction.addToBackStack null transaction.replace R.id.container_framelayout fragment..
Android Fragment handle back button press http://stackoverflow.com/questions/7992216/android-fragment-handle-back-button-press When you are transitioning between Fragments call addToBackStack as part of your FragmentTransaction FragmentTransaction tx fragmentManager.beginTransation.. tx.replace R.id.fragment new MyFragment .addToBackStack tag .commit If you require more detailed control i.e. when some..
How can I maintain fragment state when added to the back stack? http://stackoverflow.com/questions/11353075/how-can-i-maintain-fragment-state-when-added-to-the-back-stack transaction getFragmentManager .beginTransaction transaction.replace android.R.id.content new FragmentB transaction.addToBackStack null transaction.commit public static class FragmentA extends Fragment @Override public View onCreateView LayoutInflater.. expecting a fragment added to the back stack to not need re creation Here's what the docs say Whereas if you do call addToBackStack when removing a fragment then the fragment is stopped and will be resumed if the user navigates back. android android fragments..
Problems with Android Fragment back stack http://stackoverflow.com/questions/12529499/problems-with-android-fragment-back-stack 2 3 but on the way back pressing back button 3 1 . As I would have imagined this would be accomplished by not calling addToBackStack .. when creating the transaction that brings fragment 2 into the fragment holder defined in XML. The reality of this seems.. of this seems as though that if I dont want 2 to appear again when user presses back button on 3 I must not call addToBackStack in the transaction that shows fragment 3 . This seems completely counter intuitive perhaps coming from the iOS world . Anyway.. transaction getSupportFragmentManager .beginTransaction transaction.replace R.id.detailFragment frag transaction.addToBackStack null transaction.commit Create third fragment Dont add this transaction to the backstack because we dont want to go back..
Android 4.2: back stack behaviour with nested fragments http://stackoverflow.com/questions/13418436/android-4-2-back-stack-behaviour-with-nested-fragments an interesting behaviour bug regarding back stack and getChildFragmentManager . When using getChildFragmentManager and addToBackStack String name by pressing the back button the system does not run down the back stack to the previous fragment. On the other.. system does not run down the back stack to the previous fragment. On the other hand when using getFragmentManager and addToBackStack String name by pressing the back button the system returns to the previous fragment. For me this behaviour is unexpected... text.setText fragment 1 wrapper1.addView text setContentView wrapper1 getSupportFragmentManager .beginTransaction .addToBackStack null .add 1 new Fragment1 .commit public class Fragment1 extends Fragment @Override public View onCreateView LayoutInflater..
how i can break things with Fragments with setRetainInstance(true) and adding them to backstack? http://stackoverflow.com/questions/13420448/how-i-can-break-things-with-fragments-with-setretaininstancetrue-and-adding-th fm getSupportFragmentManager FragmentTransaction ft fm.beginTransaction ft.replace R.id.content new OrderFragment ft.addToBackStack null ft.commit then I create log msg from onCreate onDestroy onSaveInstanceState onActivityCreated...etc I try two versions.. kind of redundant but I didn't see the behaviour documented in the API docs so I wrote up this answer . If both addToBackStack and setRetainInstance true are called setRetainInstance partly alters the Fragment lifecycle method calls and parameter.. alters the Fragment lifecycle method calls and parameter values on configuration changes compared to calling only addToBackStack . Specifically in the test below looking a differences between calling only addToBackStack and calling setRetainInstance..
How to keep only first added Fragment in back stack (fragment overlapping)? http://stackoverflow.com/questions/14269350/how-to-keep-only-first-added-fragment-in-back-stack-fragment-overlapping fragment on every click listener you'll have to popBackStackImmediatly to remove the previous transaction and addToBackStack on all transactions. On this workaround you can also use some setCustomAnimation magic to make sure it all looks nice on.. to the details to make it more clear . Remember that .replace .remove .add Transaction.remove info .add detail1 .addToBackStack null 1st time Transaction.remove detail1 .add detail2 2nd time Transaction.remove detail2 .add detail3 3rd time Transaction.remove..
Dynamically changing the fragments inside a fragment tab host? http://stackoverflow.com/questions/18120510/dynamically-changing-the-fragments-inside-a-fragment-tab-host public class BaseContainerFragment extends Fragment public void replaceFragment Fragment fragment boolean addToBackStack FragmentTransaction transaction getChildFragmentManager .beginTransaction if addToBackStack transaction.addToBackStack.. fragment boolean addToBackStack FragmentTransaction transaction getChildFragmentManager .beginTransaction if addToBackStack transaction.addToBackStack null transaction.replace R.id.container_framelayout fragment transaction.commit getChildFragmentManager.. FragmentTransaction transaction getChildFragmentManager .beginTransaction if addToBackStack transaction.addToBackStack null transaction.replace R.id.container_framelayout fragment transaction.commit getChildFragmentManager .executePendingTransactions..
Android Fragment handle back button press http://stackoverflow.com/questions/7992216/android-fragment-handle-back-button-press android 3.0 android fragments share improve this question When you are transitioning between Fragments call addToBackStack as part of your FragmentTransaction FragmentTransaction tx fragmentManager.beginTransation tx.replace R.id.fragment new.. FragmentTransaction FragmentTransaction tx fragmentManager.beginTransation tx.replace R.id.fragment new MyFragment .addToBackStack tag .commit If you require more detailed control i.e. when some Fragments are visible you want to suppress the back key..
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