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App Inventor 计时器在界面设计中的哪里？如何确定计时器有没有执行？ - Ap...
问：计时器在界面设计中的哪里呢？计时器怎么启动？怎么确定执行没？
答：在“传感器”下面：
也可在组件搜索框中进行搜索：
计时器怎么启动？
默认计时器是自动启用的，也可程序控制它“启用计时”和“不启...
Using Build Flavors - Structuring source folders and build.gradle correctly
...ect where I want to use different versions of my MainActivity, but in both apks (flavor1 and flavor2) there is only the version of main/java. When I don't put MainActivity inside main/java, the app crashes when I start it.
– JensJensen
May 5 '14 at 11:22
...
Multi-gradient shapes
...oding="utf-8"?>
<shape
xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle"
>
<corners
android:radius="3dp"
/>
<gradient
android:angle="0"
android:startColor="#FF63a34a"
android:endColor="#F...
千亿时代 网游走到十字路口 - 资讯 - 清泛网 - 专注C/C++及内核技术
...CEO冯鑫看来，今年四季度在VR游戏领域将出现30万用户的导入量，主流产品可因此获得200万元月流水，30万-100万元收入，这便是拐点来临的标志。
不过，也有业内人士对冯鑫的乐观表示谨慎，“无论主机游戏还是VR，都不同于传...
How to include layout inside layout?
...="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="#FFFFFF"
>
<TextView
android:layout_width="fill_parent"
android:layout_he...
keytool error :java.io.IoException:Incorrect AVA format
...
I have faced an error while trying to export a signed .apk file with Eclipse ADT. The error was same like your error. In my case, I used a + sign before the country code. By removing the + sign from this name fixed the problem and allowed me to fully export my signed .apk file.
...
Same Navigation Drawer in different Activities
...pport.v4.widget.DrawerLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/drawer_layout"
android:layout_width="match_parent"
android:layout_height="match_parent">
<!-- The main content view -->
<FrameLayout
android:id="@+id/c...
Need some clarification about beta/alpha testing on the developer console
The Android developer console has 3 tabs for publishing the app's apk file:
alpha, beta and production, as shown here:
4 An...
Making a triangle shape using xml definitions?
...ding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android" >
<item>
<rotate
android:fromDegrees="45"
android:toDegrees="45"
android:pivotX="-40%"
android:pivotY="87%" >
<shape
...
Custom toast on Android: a simple example
...ou.
toast.xml
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/toast_layout_root"
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:padding="10dp"
android:background=...