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Android车载Launcher开发(1) - 显示Widget

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By component.getPackage Name, component.getClass Name, mWidget Host, initWidget Host
| CSDN
Launcher是安卓系统中的桌面启动器，安卓系统的桌面UI统称为Launcher。Launcher是安卓系统中的主要程序组件之一，安卓系统中如果没有Launcher就无法启动安卓桌面。作为车机开机后用户接触到的第一个带有界面的系统级APP，和普通APP一样，它的界面也是在Activity上绘制出来的。 车机上Launcher一般分为两个界面，首页和应用列表界面。 首页一般包括用户信息、常用应用快捷方式、3D车模和widget卡片，widget卡片有：地图、天气、音乐播放器、时钟等； 应用列表界面就是启动APP的列表界面，单击APP的Icon可进入App，长按APP的Icon可以进入编辑模式，编辑模式下APP可以进行拖拽、合并文件夹、删除等功能。 （ps：顶部状态栏status bar和底部导航栏navigation bar属于System UI，中间才属于Launcher部分）...
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