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【android中级】之android 背景圆角和图片圆角

android背景圆角的实现 1.建立一个xml文件，命名为circle_corner,放置到drawable目录下，内容如下： <?xml version="1.0" encoding="utf-8"?><shape xmlns:android = "http://schemas...

【android基础】之Android设置背景透明

背景设为透明或者半透明半透明 android:background="#e0000000" ... 透明 android:background="#00000000" ... 颜色和不透明度 (alpha) 值以十六进制表示法表示。任何一种颜色的值范围都是 0 到 255（00 到 ff）。对于 ...

开源Android容器化框架Atlas开发者指南

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自定义Android菜单背景

如何自定义Android菜单背景呢? 默认的情况下Android系统的菜单是白色的，下面的例子可以通过自定义的xml布局实现个性化的menupublic class MenuEx extends Activity { private static final Str...

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