Android:工具栏文本变为黑色而不是白色

Android: Toolbar text is coming as black instead of white

我的工具栏文本、后退箭头和所有内容都是黑色的,但我希望它是白色的
我怎样才能实现它?
我的 styles.xml 看起来像这样:

<resources>

    <style name="AppTheme" parent="MyMaterialTheme.Base">

    </style>

    <style name="MyMaterialTheme.Base" parent="Theme.AppCompat.Light.NoActionBar">
        <item name="android:windowNoTitle">true</item>
        <item name="windowActionBar">false</item>
        <item name="colorPrimary">@color/colorPrimary</item>
        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
        <item name="colorAccent">@color/colorAccent</item>
        <item name="android:windowBackground">@color/windowBackground</item>
        <item name="android:textColor">@color/textColorPrimary</item>
        <item name="android:textStyle">normal</item>



    </style>


</resources>

Android 清单片段:

 <application
        android:allowBackup="true"
        android:icon="@mipmap/hello"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >

参考this answer here

In order to change the color of the title in your Toolbar you simply have to add the attribute android:textColorPrimary to your Toolbar style.

为您的工具栏定义样式:

<style name="AppToolbar" parent="ThemeOverlay.AppCompat.Dark.ActionBar">
    <item name="android:textColorPrimary">@android:color/white</item>
    <item name="android:textColorSecondary">@android:color/white</item>
</style>

将其设置到您的工具栏:

    <android.support.v7.widget.Toolbar
        android:id="@+id/toolbar"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        app:layout_scrollFlags="scroll|enterAlways"
        android:theme="@style/AppToolbar"
        android:minHeight="?attr/actionBarSize"/>

尝试在您的 themes.xml 或 styles.xml 值文件夹或 values-v21 和其他值文件夹中使用这些项目。

<style name="AppTheme" parent="Theme.AppCompat.Light">
        <!-- Customize your theme here. -->
        <item name="colorPrimary">@color/primaryColor</item>
        <item name="colorPrimaryDark">@color/primaryColor</item>
        <item name="colorAccent">@color/primaryColor</item>
        <item name="android:textColorPrimary">@android:color/white</item>
        <item name="android:navigationBarColor">@android:color/black</item>

        <item name="actionMenuTextColor">@android:color/holo_blue_dark</item>
        <item name="android:actionMenuTextColor">@android:color/holo_blue_dark</item>
        <item name="android:windowDrawsSystemBarBackgrounds">true</item>
        <item name="android:statusBarColor">@android:color/black</item>
        <item name="windowActionBar">false</item>
        <item name="windowNoTitle">true</item>
        <item name="android:windowBackground">@android:color/white</item>
        <item name="android:windowContentTransitions">true</item>
        </style>

注意:- 从 API 21 级以下移除这些项目。

        <item name="android:windowDrawsSystemBarBackgrounds">true</item>
        <item name="android:statusBarColor">@android:color/black</item>
        <item name="android:windowContentTransitions">true</item>

如果您使工具栏使用 ThemeOverlay.AppCompat.Dark.ActionBar 样式,文本将会变浅。有关更多信息,请参阅 this answer

<?xml version="1.0" encoding="utf-8"?>
<android.support.v7.widget.Toolbar xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="?attr/actionBarSize"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:background="?attr/colorPrimary"
    android:elevation="4dp"
    android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"
    app:popupTheme="@style/ThemeOverlay.AppCompat.Light" />