package com.example.kotlindemo.utils import android.content.context import android.content.res.configuration import androidx.appcompat.app.appcompatdelegate import androidx.core.content.edit /** * author: chen * data: 2021/10/11 * des: 深色主题工具类 */ object darkthemeutil { private const val data_name = "daynight" // 存储深色模式状态的文件名,自行更改 /** * 判断是否开启了深色模式 */ fun isdarktheme(context: context): boolean { val flag = context.resources.configuration.uimode and configuration.ui_mode_night_mask return flag == configuration.ui_mode_night_yes } /** * 跟随系统设置打开关闭深色主题 */ fun defaulttheme() { appcompatdelegate.setdefaultnightmode(appcompatdelegate.mode_night_follow_system) } /** * 打开深色模式 */ fun opendarktheme() { appcompatdelegate.setdefaultnightmode(appcompatdelegate.mode_night_yes) } /** * 关闭深色模式 */ fun closedarktheme() { appcompatdelegate.setdefaultnightmode(appcompatdelegate.mode_night_no) } /** * 写入内存数据 * 将当前的深色模式状态保持到内存,下次启动 app 以读取 * @param context context * @param state 深色模式状态,true 打开状态,false 关闭状态 */ fun writedarkthemestate(context: context, state: boolean) { context.getsharedpreferences(data_name, context.mode_private) .edit{ putboolean("boolean_dark_theme_state", state) } } /** * 读取内存数据 */ fun readdarkthemestate(context: context): boolean { return context.getsharedpreferences(data_name, context.mode_private) .getboolean("boolean_dark_theme_state", false) } }
下面我用color中的background_color公用背景色来展示,说白了就是不同模式下android会自动切换你设置好的颜色。
<?xml version="1.0" encoding="utf-8"?> <resources> <color name="colorprimary">#008577</color> <color name="colorprimarydark">#00574b</color> <color name="coloraccent">#d81b60</color> <color name="color_000000">#000000</color> <color name="color_ffffff">#ffffff</color> <color name="color_008adb">#008adb</color> <color name="light_blue_600">#ff039be5</color> <color name="light_blue_900">#ff01579b</color> <color name="light_blue_a200">#ff40c4ff</color> <color name="light_blue_a400">#ff00b0ff</color> <color name="black_overlay">#66000000</color> <color name="background_color">#ffffff</color> </resources>
<?xml version="1.0" encoding="utf-8"?> <resources> <color name="colorprimary">#111111</color> <color name="colorprimarydark">#00574b</color> <color name="coloraccent">#d81b60</color> <color name="color_000000">#000000</color> <color name="color_ffffff">#ffffff</color> <color name="color_008adb">#008adb</color> <color name="light_blue_600">#ff039be5</color> <color name="light_blue_900">#ff01579b</color> <color name="light_blue_a200">#ff40c4ff</color> <color name="light_blue_a400">#ff00b0ff</color> <color name="black_overlay">#66000000</color> <color name="background_color">#111111</color> </resources>
在xml添加上背景色即可:
在你想要activity开启深色主题适配即可
效果图如下:
paint paint = new paint(); colormatrix colormatrix= new colormatrix(); colormatrix.setsaturation(0); paint.setcolorfilter(new colormatrixcolorfilter(colormatrix)); getwindow().getdecorview().setlayertype(view.layer_type_hardware, paint);
val paint = paint() val colormatrix = colormatrix() colormatrix.setsaturation(0f) paint.setcolorfilter(colormatrixcolorfilter(colormatrix)) window.decorview.setlayertype(view.layer_type_hardware,paint)
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