android布局xml中的background，backgroundTint，backgroundTintMode属性之间有什么区别? [英] What is the difference between background, backgroundTint, backgroundTintMode attributes in android layout xml?

问题描述

在使用android布局xml时，我遇到了backgroundTint属性.我不明白这是为了什么.

While working with the android layout xml I came across backgroundTint attribute . I don't understand what is for.

还有什么backgroundTintMode ??

推荐答案

我测试了android:background，android:backgroundTint和android:backgroundTintMode的各种组合.

I tested various combinations of android:background, android:backgroundTint and android:backgroundTintMode.

android:backgroundTint与android:backgroundTintMode一起使用时，会将滤色器应用于android:background的资源.

android:backgroundTint applies the color filter to the resource of android:background when used together with android:backgroundTintMode.

以下是结果:

如果您想进一步尝试，请参见以下代码:

Here's the code if you want to experiment further:

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:orientation="vertical"
    android:layout_height="match_parent"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    app:layout_behavior="@string/appbar_scrolling_view_behavior"
    tools:showIn="@layout/activity_main">

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginBottom="32dp"
        android:textSize="45sp"
        android:background="#37AEE4"
        android:text="Background" />

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginBottom="32dp"
        android:textSize="45sp"
        android:backgroundTint="#FEFBDE"
        android:text="Background tint" />

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginBottom="32dp"
        android:textSize="45sp"
        android:background="#37AEE4"
        android:backgroundTint="#FEFBDE"
        android:text="Both together" />

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginBottom="32dp"
        android:textSize="45sp"
        android:background="#37AEE4"
        android:backgroundTint="#FEFBDE"
        android:backgroundTintMode="multiply"
        android:text="With tint mode" />
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginBottom="32dp"
        android:textSize="45sp"
        android:text="Without any" />
</LinearLayout>

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