大约有 40,000 项符合查询结果（耗时：0.0422秒） [XML]
How do I set environment variables from Java?
...
on Android the interface is exposed via Libcore.os as a kind of hidden API.
Libcore.os.setenv("VAR", "value", bOverwrite);
Libcore.os.getenv("VAR"));
The Libcore class as well as the interface OS is public. Just the class dec...
Check if EditText is empty. [closed]
I have 5 EditTexts in android for users to input. I would like to know if I could have a method for checking all the 5 EditTexts if they are null. Is there any way to do this??
...
How to compare dates in Java? [duplicate]
...ava.time (JSR-310).
Back-ports are available for Java 6 and 7 as well as Android.
share
|
improve this answer
|
follow
|
...
What is the meaning of addToBackStack with null parameter?
... you mean by get the fragment later.
More information @
http://developer.android.com/guide/components/fragments.html
http://developer.android.com/reference/android/app/FragmentTransaction.html#addToBackStack(java.lang.String)
...
I lost my .keystore file?
...
After updating to Android Studio 3.3 my old keystore is no longer accepted during signing the app. "Cannot recover key" error message is shown.
– Yar
Jan 18 '19 at 10:44
...
Android ListView not refreshing after notifyDataSetChanged
My ListFragment code
11 Answers
11
...
ASP.NET Web API Authentication
...
Is it going to maintain a session for Android application?
– Mujtaba Hassan
Jun 13 '12 at 12:42
...
Parcelable where/when is describeContents() used?
...
@LeoLink android.os.ParcelFileDescriptor
– Ognyan
Oct 21 '14 at 10:34
7
...
Usage of forceLayout(), requestLayout() and invalidate()
...g called directly after invalidate is called, I even see that happening in Android source code for things like TextView, but according to this diagram doing so is redundant, right? So is there any purpose for doing that?
– tcox
May 12 '15 at 22:10
...
Calling a Fragment method from a parent Activity
I see in the Android Fragments Dev Guide that an "activity can call methods in a fragment by acquiring a reference to the Fragment from FragmentManager, using findFragmentById() or findFragmentByTag() ."
...