savestate

问题 I am using Android Google maps v2 API and have it set up to add markers on long click. I need a way to save these markers and reload them when the app resumes again. What will be the best way to do this? Please help Currently I add markers as follows: map.addMarker(new MarkerOptions().position(latlonpoint) .icon(bitmapDescriptor).title(latlonpoint.toString())); 回答1: I got it! I can easily do this via saving the array list of points to a file and then reading them back from file I do the

问题 I am using MvvmCross v3.5 to build an iOS application. Whenever the application goes into the background I am expecteing SaveState to be called in the view model. However it never gets called. I have tried this both on the simulator and a device. Am I missing something. This works in the Android version of the app, so I think I have set it up correctly. Has anyone else got this issue? Any help would be appreciated. 回答1: I think in Xamarin you need to implement UIApplicationDelegate

问题 I find the best way to save game data in Unity3D Game engine. At first, I serialize objects using BinaryFormatter . But I heard this way has some issues and is not suitable for save. So, What is the best or recommended way for saving game state? In my case, save format must be byte array. 回答1: But I heard this way has some issues and not suitable for save. That's right. On some devices, there are issues with BinaryFormatter . It gets worse when you update or change the class. Your old

问题 I'm trying to understand the process of saving and restoring state using fragments. I've created sliding navigation menu using it. In one of the fragments there is this code: public class FifthFragment extends Fragment { CheckBox cb; View view; @Override public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) { view = inflater.inflate(R.layout.fifth_layout, container, false); cb = (CheckBox) view.findViewById(R.id.checkBox); return

问题 first onClick in Monday_fragment it adds the data to ArrayList. Second OnClick in Monday_fragment it takes to Monday_list_fragment where the list is shown. There is a button in Monday_list_fragment which brings it back to the Monday_fragment. I debugged an seen, when i came back all the data in ArrayList is gone. How to keep the ArrayList data not to clear out on coming back. Codes Monday_fragment https://github.com/tirthoguha/DroidProject/blob/myDiary/src/com/example/s0217980_diary/Monday

问题 I'm guessing that the best way to do this is by using XML. Here's the issue, tho: Hero hero; PictureBox heroPB; Dictionary <string,Point> pokedex; Boss boss; PictureBox bossPB; Attack attack; PictureBox attackPB; HPMeter bossHP; PictureBox bossHPPB; PPMeter heroPP; PictureBox heroPPPB; System.Timers.Timer animateAttack; System.Timers.Timer animateBoss; System.Timers.Timer checkHit; System.Timers.Timer winFade; Thread tr; Rectangle bossRect; Rectangle attackRect; Panel whiteout; int heroState

问题 I have the following code for ActionBar : private class MyTabListener implements ActionBar.TabListener { private Fragment mFragment; private final Activity mActivity; private final String mFrag; public MyTabListener( Activity activity, String fragName ) { mActivity = activity; mFrag = fragName; } @Override public void onTabReselected( Tab tab, FragmentTransaction ft ) { // TODO Auto-generated method stub } @Override public void onTabSelected( Tab tab, FragmentTransaction ft ) { mFragment =

问题 I am picking the picture from gallery or taking it with the camera. If I get the picture into my imageView, and click the confirm button, how can I then save that picture? Do I have to use saveState()? Please post some comments. Thanks. protected void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); if (resultCode != RESULT_OK) return; switch (requestCode) { case PICK_FROM_CAMERA: Bitmap selectedImage = (Bitmap) data

问题 I am trying to save the state on the navigation drawer fragments as I toggle between different fragments within the navigation drawer. For Example: I start at Fragment A fire some events, then toggle to Fragment B. Then I want to see the same state of Fragment A when I toggle back to Fragment A from Fragment B. I tried using the onSavedInstanceState(Bundle savedInstanceState) but it only gets called when the orientation changes in the fragment life cycle. A new fragment gets created whenever

问题 In my android application, I am switching between the two set of images-(Set1, Set2) displayed in a GridView-A inside a Fragment-A.I am doing this on a button press using a boolean variable. Clicking on any GridView icon leads to another Fragment-B. The problem is when I press back button on Fragment-B , the Fragment-A is always loaded with the images of Set1 by default. I want the same set of images (Set1 or Set2 ) to be loaded on FramentA that were displayed before going to FragmentB.