android title取消设置

<resources xmlns:tools="http://schemas.android.com/tools">
    <!-- Base application theme. -->
    <style name="Theme.BlockChainExchange" parent="Theme.AppCompat.Light.NoActionBar">
        <!-- Primary brand color. -->
        <item name="colorPrimary">@color/hui_f9</item>
        <item name="colorPrimaryVariant">@color/hui_f9</item>
        <item name="colorOnPrimary">@color/hui_f9</item>
        <!-- Secondary brand color. -->
        <item name="colorSecondary">@color/hui_f9</item>
        <item name="colorSecondaryVariant">@color/hui_f9</item>
        <item name="colorOnSecondary">@color/black</item>
        <!-- Status bar color. -->
        <item name="android:statusBarColor" tools:targetApi="l">@color/hui_f9</item>
        <!-- Customize your theme here. -->
        <item name="android:windowNoTitle">true</item>
        <item name="android:windowDisablePreview">true</item>
        <item name="android:windowIsTranslucent">false</item>
    </style>
</resources>