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What are the Android SDK build-tools, platform-tools and tools? And which version should be used?
...ols
Location: $ANDROID_HOME/tools
Main tools: ant scripts (to build your APKs) and ddms (for debugging)
Android SDK Platform-tools
Location: $ANDROID_HOME/platform-tools
Main tool: adb (to manage the state of an emulator or an Android device)
Android SDK Build-tools
Location: $ANDROID_HOME/b...
How to create standard Borderless buttons (like in the design guideline mentioned)?
...coding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android"
android:exitFadeDuration="@android:integer/config_shortAnimTime">
<item android:state_pressed="true"
android:drawable="@color/blue" />
<item android:drawable="@color/t...
StringUtils 字符串工具扩展：强大的文本处理工具集 · App Inventor 2 中文网
...
LeftThis(3)
“Of” 后缀
对传入的参数进行操作
LeftOf("Hello", 3)
下载
.aix拓展文件：
de.ullisroboterseite.ursai2stringutils.aix
.aia示例文件：
StringUtilsTest.aia
版本历史
...
Linux btrfs 文件系统不稳定，不能用于生产环境 - 操作系统(内核) - 清泛网...
...丢不能恢复。
不过OpenSUSE 社区版默认btrfs，因此安装的时候要特别注意，使用xfs或ext4。
linux,btrfs,xfs,ext4
php动态安装mysql扩展错误（ext/mysqlnd/mysqlnd.h: No such file or direc...
...file or directory
...
解决办法：重新安装php，在编译php的时候，加上 mysql配置如下：
./configure ... --with-mysql=shared,mysqlnd
mysql php 扩展
运动软件设计问题 - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
...？需要用什么组件？而且我需要怎么处理运动距离过远的时候缩放和自动保存？
地图相关组件，画线组件，地图本身有缩放功能。
ImageView in circular through xml
...s/drawable/circle.xml
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:innerRadius="0dp"
android:shape="ring"
android:thicknessRatio="1.9"
android:useLevel="false" >
<solid android:color="@android:color/transparent" />
<stroke
...
Animate change of view background color on Android
...ding="UTF-8"?>
<transition xmlns:android="http://schemas.android.com/apk/res/android">
<!-- The drawables used here can be solid colors, gradients, shapes, images, etc. -->
<item android:drawable="@drawable/original_state" />
<item android:drawable="@drawable/new_...
How can I debug javascript on Android?
...site, this was what I found to be the best way).
Install the jsHybugger APK on your device
Enable USB debugging on you device.
Plug the Android device into your desktop computer via USB
Run the app on the Android device ('jsHybugger')
Enter the target URL and page in the app. Press Start Service ...
How to hide the title bar for an Activity in XML with existing custom theme
...e following code:
<resources xmlns:android="http://schemas.android.com/apk/res/android">
<style name="Theme.Default" parent="@android:style/Theme"></style>
<style name="Theme.NoTitle" parent="@android:style/Theme.NoTitleBar"></style>
<style name="Theme.F...