大约有 3,615 项符合查询结果（耗时：0.0269秒） [XML]
How to lock orientation during runtime
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This doesn't address the OQ, at least on Android >= 16. setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_NOSENSOR) might set the device to landscape even if it was in portrait, whereas the question refers to locking orientation that was given.
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Getting the class name from a static method in Java
...to use, rather clean and monstrously fast.
Available only since Java 7 and Android API 26!
MethodHandles.lookup().lookupClass();
In case you need this functionality for Android or Java 6, you can use the second best variant. It's rather fast too, but creates an anonymous class in each place o...
How can I pass a Bitmap object from one activity to another
..., then you get "java.lang.SecurityException: Unable to find app for caller android.app.ApplicationThreadProxy......". the recommended way is like @slayton says, you have to save bitmap on external storage and pass just the URI.
– AITAALI_ABDERRAHMANE
Sep 14 '15...
Can I hide the HTML5 number input’s spin box?
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This currently does nothing on Android, in all browsers. Tested on this test page in Browser 4.2.2, Chrome 28, and Firefox 23 on Android 4.2. Those browsers just show the standard text keyboard with this markup.
– Rory O'Kane
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Unable to modify ArrayAdapter in ListView: UnsupportedOperationException
...ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,
android.R.layout.simple_list_item_1, lst);
Cheers!
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Convert a string representation of a hex dump to a byte array using Java?
...s you specify
--add-modules java.se.ee (thanks to @eckes)
Not available on Android (thanks to Fabian for noting that), but you can just take the source code if your system lacks javax.xml for some reason. Thanks to @Bert Regelink for extracting the source.
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Java: Date from unix timestamp
...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 Thre...
How to determine when Fragment becomes visible in ViewPager
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Thanks to today's Android Support Library update (rev 11), the user visible hint issue is finally fixed. It's now safe to use user visible hint for ViewPager.
– Oasis Feng
Nov 14 '12 at 3:05
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Understanding Canvas and Surface concepts
...d therefore the whole Surface / Canvas / Bitmap system, which is used in Android.
3 Answers
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Set width of TextView in terms of characters
...Answering my own question...
And the winner is: set the minEms attribute (android:minEms) !!!
So "ems" it turns out refers to the size of the widest character, typically an "M", get it? So setting minEms to an integer value say 3, on an EditText or TextView should ensure it's at least 3 characters...