Most of you are wrong. If you want to close existing activity stack regardless of what’s in there and create new root, correct set of flags is the following: intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK); From the doc: public static final int FLAG_ACTIVITY_CLEAR_TASK Added in API level 11 If set in an Intent passed to Context.startActivity(), this flag … Read more
Setting values in Preference: // MY_PREFS_NAME – a static String variable like: //public static final String MY_PREFS_NAME = “MyPrefsFile”; SharedPreferences.Editor editor = getSharedPreferences(MY_PREFS_NAME, MODE_PRIVATE).edit(); editor.putString(“name”, “Elena”); editor.putInt(“idName”, 12); editor.apply(); Retrieve data from preference: SharedPreferences prefs = getSharedPreferences(MY_PREFS_NAME, MODE_PRIVATE); String name = prefs.getString(“name”, “No name defined”);//”No name defined” is the default value. int idName = prefs.getInt(“idName”, … Read more
From the command line, you can use: adb shell dumpsys activity This asks the activity manager to print a dump of its current state. The first part of that is the complete activity history, organized by task. There is also a lot of stuff printed after that, so you may need to scroll up a … Read more
Well, just do what the error message tells you. Don’t call setContentView() before requestFeature(). Note: As said in comments, for both ActionBarSherlock and AppCompat library, it’s necessary to call requestFeature() before super.onCreate()
Try below code: Resources resources = context.getResources(); int resourceId = resources.getIdentifier(“navigation_bar_height”, “dimen”, “android”); if (resourceId > 0) { return resources.getDimensionPixelSize(resourceId); } return 0;
Try this: getActivity().runOnUiThread(new Runnable… It’s because: 1) the implicit this in your call to runOnUiThread is referring to AsyncTask, not your fragment. 2) Fragment doesn’t have runOnUiThread. However, Activity does. Note that Activity just executes the Runnable if you’re already on the main thread, otherwise it uses a Handler. You can implement a Handler in … Read more
To pass info to a fragment , you setArguments when you create it, and you can retrieve this argument later on the method onCreate or onCreateView of your fragment. On the newInstance function of your fragment you add the arguments you wanna send to it: /** * Create a new instance of DetailsFragment, initialized to … Read more
In order to start an activity which should return result to the calling activity, you should do something like below. You should pass the requestcode as shown below in order to identify that you got the result from the activity you started. startActivityForResult(new Intent(“YourFullyQualifiedClassName”),requestCode); In the activity you can make use of setData() to return … Read more
You can’t use startActivityForResult() if your activity is being launched as a singleInstance or singleTask. standard or singleTop launch mode will fix the problem.
It depends on the app you are creating. I’ve created several apps using both approaches and can’t say one way is always better than the other. The latest app I created I used the single Activity approach and a Facebook style navigation. When selecting items from the navigation list I update a single Fragment container … Read more