android-fragmentactivity

问题 I am Having an Issue Succesfully opening new activities from these multiple buttons. Im new to coding though. can someone help me with this issues.. I used fragments and I cannot to get to work please help. Here is my code so far. Thank you public class CreditFragment1 extends Fragment { private static final View View = null; Button balance; Button recharge; Button share; Button buy; public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { return

问题 First of all sorry if this post may seem a duplicate but I am very new to Android programming and posting this question only when I am still not able to get a satisfactory answer for use of getActivity. Theoretically I understand the use of getActivity() from the several posts here but I am confused how it is working in my code. I have a class MainActivity from which I am creating a dialog onclick of a checkbox. I have another class TaxDialog where the dialog is implemented. On click of Yes

问题 Here is the seen I have a SHERLOCK FRAGMENT ACTIVITY which holds four FRAGMENTS and a SEARCH VIEW . There are 4 fragments in which last is FRAGMENT SEARCH RESULTS My question is how to pass data of search query to FRAGMENT SEARCH RESULTS from search view and display search result in FRAGMENT SEARCH RESULTS I implemented this private void setupSearchView(MenuItem searchItem) { if (isAlwaysExpanded()) { mSearchView.setIconifiedByDefault(false); } else { searchItem.setShowAsActionFlags(MenuItem

问题 How can I start a FragmentActivity from an Activity? My MainActivity is a splash screen and I want to star a FragmentActivity next. I need something instead of, for example: startActivity(new Intent("com.example.manager.MyFragmentActivity")); TIA. 回答1: From your first Activity call: startActivity(new Intent(this, MyFragmentActivity.class)); Note: Make sure to register your MyFragmentActivity in your AndroidManifest.xml . Edit: This training article on Starting Another Activity should be

问题 I am using fragmentActivity for maps.In Java class getting error on setContentView. My Mapscreen.java is like: It is working fine on some devices showing crash on marshmallow only.Or is there any other reason? public class MapScreen extends FragmentActivity implements LocationListener, GoogleApiClient.ConnectionCallbacks, GoogleApiClient.OnConnectionFailedListener { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.map

问题 Are Fragments and Fragment Activities inherently faster than Activities? If I don't need to load my activity in fragments, should I be using FragmentActivities and Fragments over Activities? Reason I am asking is because I have been using Activities, exclusively, for years, and the Facebook SDK as well as Google Maps 2.0 have forced me to use Fragments, and I wonder now if they are inherently "better" or not, versus some other implementation. If this "not constructive" or "too open ended"

问题 I have a strange problem in which I encountered:The getActivity() method always returns null inside fragment. I calling it after the onAttach() and onCreateView() are finishing their run. This fragment lives inside a FragmentActivity() that contains stack of fragments, and the way I adding fragment to it is: (This code is being called from the onCreate() of the Fragment Activity()) SmartFragment fragment; fragment = (SmartFragment) Fragment.instantiate(this, fragmentClassName, params);

问题 The scenerio of my some part of my app is as below: The problem I'm stuck at is, I'm in the EnterChildExpFragment . I want to go to ChildDetailsFragment (which is in ChildExpensesActivity). I can't share the whole code here. but I can tell some part of what I've been doing until now for going to ChildDetailsFragment from EnterChildExpFragment . First I tried: ((MainActivityExpenses)getActivity()).setCurrentItem(1, true); But this shows up an error : cannot cast fragmentactivty to activity .

问题 I am creating an application with tab and I have map in one of the tab, when I open map from it works fine and when I visit some other tab that time also it works fine, but when I come back to the map tab app crashes with this error. 04-09 14:10:43.866: E/AndroidRuntime(28184): android.view.InflateException: Binary XML file line #42: Error inflating class fragment 04-09 14:10:43.866: E/AndroidRuntime(28184): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:697) 04-09 14:10

问题 Context: I have an Activity with a Fragment and 3 InnerFragments . When the Fragment onDestroy() is called, I want to remove the inner fragments from the FragmentManager . The code from onDestroy() is below. Problem: FragmentManager throws NullPointerException , probably when commitAllowingStateLoss() is called. I don't understand why. @Override public void onDestroy() { super.onDestroy(); if (getFragmentManager().findFragmentById(R.id.fragment_framelayout_left) != null) { FragmentTransaction