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get Context in non-Activity class [duplicate]
In an android Application, is there any way to get the context in android in a non-activity class if the activity class name is known?
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谷歌推出购买按钮 移动搜索用户可直接在广告中购物 - 资讯 - 清泛网 - 专...
...大幅下调的卡片。谷歌还披露了即将发布的移动支付服务Android Pay的进一步信息。谷歌称，用户在应用内或商店内购物时都可以使用Android Pay支付购物款。
通过减化在手机上购物的步骤，购买按钮+Android Pay组合能推动移动购物的...
app inventor屏幕属性中的文件范围分别是什么意思？ - App Inventor 2 中文...
下面是每种类型的简述：App [推荐] ：Android 2.2及更高版本上文件将从应用程序特定存储中读取和写入，在 Android 早期版本上，文件将写入兼容存储中。
App的根目录为：/storage/emulated/0/Android/data。读写文件在指定的 files 目录下，...
App Inventor 2 ProCamera拓展：专业相机，提供滤镜、降噪、对焦等高级功能...
...供滤镜、降噪、对焦等高级功能专业相机专为与最新的 Android 相机 API 配合使用而设计，可提供更多功能。扩展需要 Android 5.0 Lollipop 及更高版本才能运行。扩展功能：最新使用的API相机滤镜降噪模式...
专业相机专为与最新的 ...
SpeechRecognizer 语音识别扩展：获取设备支持的语音识别语言列表 · App I...
...止监听，因此此扩展无法提供此功能。
使用此扩展需要 android.permission.INTERNET 权限。
下载
.aix拓展文件：
com.puravidaapps.TaifunSpeechRecognizer.aix
.aia示例文件：
speech.aia
版本历史
版...
Fling gesture detection on grid layout
I want to get fling gesture detection working in my Android application.
18 Answers
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Detect Safari browser
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This does not work on Android browsers, which includes "safari" but not "chrome": developers.whatismybrowser.com/useragents/explore/software_name/…
– Eric Andrew Lewis
Mar 1 '19 at 15:41
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Adding n hours to a date 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 Thre...
How to get the filename without the extension in Java?
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@GustavoLitovsky Android doesn't come bundled with org.apache.commons. As far as I'm aware, this is the only way to do it in Android.
– Liam George Betsworth
Jun 6 '14 at 8:56
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Difference between SurfaceView and View?
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Official detail answer: developer.android.com/guide/topics/graphics/2d-graphics.html
– Helin Wang
Mar 18 '14 at 16:07
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