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FFMPEG (libx264) “height not divisible by 2”
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LordNeckbeard has the right answer, very fast
-vf scale=1280:-2
For android, dont forget add
"-preset ultrafast" and|or "-threads n"
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Popup弹出菜单扩展 · App Inventor 2 中文网
...整个屏幕，而且配置视图的选项很少。这里介绍的扩展是Android弹出菜单的包装器。几乎所有属性都是可调的。
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Popup弹出菜单扩展是一...
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...
Popup弹出菜单扩展 · App Inventor 2 中文网
...整个屏幕，而且配置视图的选项很少。这里介绍的扩展是Android弹出菜单的包装器。几乎所有属性都是可调的。
默认主题
黑色主题
功能概述
Popup弹出菜单扩展是一...
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...