自定義控件

自定義控件可能由於命名空間錯誤而不起做用

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    xmlns:PowerView2="http://schemas.android.com/apk/res-auto"
    xmlns:TotalTimeView="http://schemas.android.com/tools"
    android:background="@color/white_overlay">

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="match_parent"    android:layout_height="match_parent"    xmlns:PowerView2="http://schemas.android.com/apk/res-auto"    xmlns:TotalTimeView="http://schemas.android.com/apk/res-auto"    android:background="@color/white_overlay">