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What is 'Context' on Android?
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Is context object unique for an apk or Android OS? Can an application have two different contexts?
– valijon
Aug 30 '18 at 12:14
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Swift 编程语言入门教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...件必须是布尔表达式，这意味着 if score { ... } 是错误的，不能隐含的与0比较。
你可以一起使用 if 和 let 来防止值的丢失。这些值是可选的。可选值可以包含一个值或包含一个 nil 来指定值还不存在。写一个问号 "?" 在类型后表...
Auto-fit TextView for Android
...e Layout file:
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical"
android:padding="16dp" >
<com.vj.widgets.AutoResizeTextView
android:layout_width="match_paren...
Why does ContentResolver.requestSync not trigger a sync?
...-8" ?>
<sync-adapter
xmlns:android="http://schemas.android.com/apk/res/android"
android:contentAuthority="com.android.contacts"
android:accountType="com.google"
android:userVisible="true" />
Okay, so what does this do? It tells Android that the sync adapter we've d...
What is the simplest and most robust way to get the user's current location on Android?
...ining/location/retrieve-current.html. But it requires Google Play Services apk to be installed on user device.
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java中的缓存技术该如何实现 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...一般的划分方法是从技术上划分,可以分成几种,内存,硬盘文件.数据库.
(1) 内存.将缓存放在内存中是最快的选择,任何程序直接操作内存都比操作硬盘要快的多,但是如果你的数据要考虑到break down的问题,因为放在内存中的数据我...
Complete Working Sample of the Gmail Three-Fragment Animation Scenario?
...ng="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/container"
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="match_parent">
<LinearLayout
android:id="@+id/panel1"
android:layout_widt...
How to use the same C++ code for Android and iOS?
...in the end, the CPP code will become a shared object .so File embed in our APK, and the loadLibrary will load it. Finally, when you call the native method, the JVM will delegate the call to the loaded library.
Now the most strange part of Android integration is the JNI; We need a cpp file as follow...
How to draw a path on a map using kml file?
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I don't have a standalone sample/apk of that. My sample is tightly integrated into a commercial app I've done. You can get any kml from the google maps web server, just calculate a route, then get the url of that route calculation from the browser, and add &...
What is the purpose of static keyword in array parameter of function like “char s[static 10]”?
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@CiroSantilli巴拿馬文件六四事件法轮功 if (!someArray) { somecode... } could be removed
– M.M
May 10 '16 at 21:12
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