shuanghua

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools">

    <!-- Pressed state -->
    <item
        android:state_enabled="true"
        android:state_pressed="true">
        <set>
            <objectAnimator

shuanghua

println("HomeFragment.javaClass.simpleName = ${HomeFragment.javaClass.simpleName}2")// = Companion

println("HomeFragment::class.java.simpleName = ${HomeFragment::class.java.simpleName}1")// = 类名
println("homeFragment.javaClass.simpleName = ${homeFragment.javaClass.simpleName}3")// = 类名
println("homeFragment::javaClass.simpleName = ${homeFragment::javaClass.simpleName}5")// = 类名

println("homeFragment.javaClass.Name = ${homeFragment.javaClass.name}4")// = 包名.类名
println("homeFragment::class.java.Name = ${homeFragment::class.java.name}6")// = 包名.类名

shuanghua

public static int dpToPx(float dp, Context context) {
    return dpToPx(dp, context.getResources());
}

public static int dpToPx(float dp, Resources resources) {
    float px = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp, resources.getDisplayMetrics());
    return (int) px;
}