大约有 14,000 项符合查询结果（耗时：0.0284秒） [XML]
Example: Communication between Activity and Service using Messaging
... @Christoper-Orr: I'm very thankful you've posted that link of the Android BroadcastReceiver tutorial. I've used a LocalBroadcastManager to continuously exchange data between two Activity instances.
– Dirk
Oct 27 '14 at 0:16
...
Didn't Java once have a Pair class? [duplicate]
...
If you happen to be developing for Android.. it has Pair also
– Tim
Mar 20 '15 at 17:44
2
...
HTML5 Video Dimensions
...
This doesn't work on Chrome for Android 49 unfortunately; only when the video has started playing the info becomes available. Any further insight on this? PS1: I only tried this with URLs to local files selected using an file selector input element. PS2 : i...
onMeasure custom view explanation
...
onMeasure() is your opportunity to tell Android how big you want your custom view to be dependent the layout constraints provided by the parent; it is also your custom view's opportunity to learn what those layout constraints are (in case you want to behave differe...
Clear back stack using fragments
I ported my Android app to honeycomb and I did a big refactor in order to use fragments. In my previous version, when I pressed the Home button I used to do a ACTIVITY_CLEAR_TOP in order to reset the back stack.
...
How to get Bitmap from an Uri?
...ls the decodeStream(), so you don't lose any functionality.
References:
Android: Get thumbnail of image on SD card, given Uri of original image
Handling large Bitmaps
share
|
improve this answer...
SQLiteDatabase.query method
...789 there are several versions that have a limit parameter, e.g. developer.android.com/reference/android/database/sqlite/… it's all just simple text concatenation in the end so you can put e.g. "some_column LIMIT 10" into orderBy and it would still work
– zapl
...
How can I get the current date and time in UTC or GMT in Java?
...time functionality is back-ported to Java 6 & 7 in ThreeTen-Backport.
Android
Later versions of Android bundle implementations of the java.time classes.
For earlier Android (<26), the ThreeTenABP project adapts ThreeTen-Backport (mentioned above). See How to use ThreeTenABP….
The Th...
How to retrieve the dimensions of a view?
...
Also, note that since API 16, you need: if(android.os.Build.VERSION.SDK_INT>=16){ view.getViewTreeObserver().removeOnGlobalLayoutListener(this); }else{ view.getViewTreeObserver().removeGlobalOnLayoutListener(this); }
...
read file from assets
...ause memory leaks or attempt to use dead contexts. Good read on the topic: android.jlelse.eu/memory-leak-patterns-in-android-4741a7fcb570
– milosmns
Dec 31 '18 at 12:28
add a ...