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ActionBar 拓展：溢出菜单 - App Inventor 2 拓展 - 清泛IT社区，为创新赋能！
...个点”菜单（也叫“溢出菜单”或“ActionBar 菜单”）是 Android 应用常见的导航区域。默认情况下，App Inventor 并没有直接提供一个图形组件来编辑这个菜单，但我们可以使用 "ActivityStarter" 或通过调用系统菜单事件来实现...
Pro Camera 扩展：专业级自定义相机，提供滤镜、降噪、对焦等高级功能 · A...
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Pro Camera 扩展
Pro Camera 是基于最新 Android Camera API 设计的专业相机扩展，提供更丰富的相机功能和控制选项。
ℹ 扩展需要 Android 5.0 Lollipop 及以上版本才能正常工作。
下载链接
com.kumaraswamy...
Changing ImageView source
...mageDrawable(getResources().getDrawable(R.drawable.monkey));
*** With new android API 22 getResources().getDrawable() is now deprecated. This is an example how to use now:
myImgView.setImageDrawable(getResources().getDrawable(R.drawable.monkey, getApplicationContext().getTheme()));
and how to vali...
A Java collection of value pairs? (tuples?)
...ese classes also allow null keys and null values, and are serializable.
Android
If you're writing for Android, just use Pair.create(key, value) to create an immutable pair.
Apache Commons
Apache Commons Lang provides the helpful Pair.of(key, value) to create an immutable, comparable, seriali...
What's the difference between CENTER_INSIDE and FIT_CENTER scale types?
...NTER:
CENTER_INSIDE does not enlarge the image, FIT_CENTER does.
The Android robot is reproduced or modified from work created and shared by Google and used according to terms described in the Creative Commons 3.0 Attribution License.
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Get Bitmap attached to ImageView
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i get AppCompatImageView cannot be cast to android.graphics.drawable.BitmapDrawable
– Billyjoker
Apr 12 at 15:44
add a comment
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App Inventor 2 连接方式：AI伴侣、模拟器、USB · App Inventor 2 中文网
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测试介质
特点
AI伴侣
Android手机
特别适合小朋友，简单高效，所见即所得，还能编译成apk真机测试。前提是必须有一部安卓手机，并安装好AI伴侣app
幕享App
将安卓手...
Should CSS always preceed Javascript?
...most" mobile browsers should support it. According to quirksmode, iOS 2.2/Android 1.0 use WebKit 525. I have no idea what Windows Phone looks like.
However, I ran the test on my Android 4 device, and while I saw numbers similar to the desktop results, I hooked it up to the fantastic new remote de...
Is there a way to get the source code from an APK file?
...ll)
Start: apktool decode [apk file]
Intermediate result: resource files, AndroidManifest.xml
unzip APK file with an unpacker of your choice
Intermediate result: classes.dex
download and extract dex2jar-0.0.9.15.zip from http://code.google.com/p/dex2jar/downloads/detail?name=dex2jar-0.0.9.15.zip&am...
Java: Why is the Date constructor deprecated, and what do I use instead?
...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...