我的佈局有黑色背景

Question

我的佈局有黑色的背景，這個問題也影響我的按鈕樣式我的卡片在我的回收視圖..任何機構可以幫助找到原因嗎？ 我知道解決方法，但我需要找到問題source..now我的結構非常簡單我有我的所有活動延伸的基本活動

all layouts backgrounds

activity_base.xml

<LinearLayout 
     style="@style/AppTheme.MyAppTheme" 
     android:layout_width="match_parent" 
     android:layout_height="match_parent" 
     android:orientation="vertical"> 

     <android.support.v7.widget.Toolbar 
      android:id="@+id/activity_base_toolbar" 
      style="@style/ToolBarTheme" 
      android:layout_width="match_parent" 
      android:layout_height="?actionBarSize"></android.support.v7.widget.Toolbar> 

     <FrameLayout 
      android:id="@+id/activity_base_frame_layout" 
      style="@style/AppTheme.MyAppTheme" 
      android:layout_width="match_parent" 
      android:layout_height="match_parent"></FrameLayout> 
    </LinearLayout> 

    <android.support.design.widget.NavigationView 
     android:id="@+id/activity_base_navigation_view" 
     android:layout_width="wrap_content" 
     android:layout_height="match_parent" 
     android:layout_gravity="start" 
     android:background="@color/colorPrimaryDark2" 
     android:fitsSystemWindows="true" 
     android:theme="@style/AppTheme.MyAppTheme" 
     app:headerLayout="@layout/nav_header" 
     app:menu="@menu/menu_base"></android.support.design.widget.NavigationView> 

</android.support.v4.widget.DrawerLayout> 

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?> 
<manifest xmlns:android="http://schemas.android.com/apk/res/android" 
    package="com.mjjcp.bluetoothscanner"> 

    <uses-permission android:name="android.permission.BLUETOOTH" /> 
    <uses-permission android:name="android.permission.BLUETOOTH_ADMIN" /> 
    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" /> 

    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /> 
    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" /> 

    <uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW" /> 

    <uses-feature 
     android:name="android.hardware.bluetooth_le" 
     android:required="true" /> 

    <application 
     android:allowBackup="true" 
     android:icon="@mipmap/ic_launcher_bluetooth" 
     android:label="@string/app_name" 
     android:roundIcon="@mipmap/ic_launcher_bluetooth_round" 
     android:supportsRtl="true" 
     android:theme="@style/AppTheme.MyAppTheme"> 


     <activity 
      android:name=".activities.MainActivity" 
      android:label="MainActivity"> 
      <intent-filter> 
       <action android:name="android.intent.action.MAIN" /> 

       <category android:name="android.intent.category.LAUNCHER" /> 
      </intent-filter> 
     </activity> 

     <activity 
      android:name=".activities.BondedDevicesActivity" 
      android:label="@string/title_activity_bonded_devices" 
      android:parentActivityName=".activities.MainActivity" 
      android:theme="@style/AppTheme.MyAppTheme" /> 

     <activity 
      android:name=".activities.ScanActivity" 
      android:label="Scan Activity" 
      android:parentActivityName=".activities.BondedDevicesActivity" /> 

     <activity 
      android:name=".activities.MyDeviceActivity" 
      android:label="Device Detail Activity" 
      android:parentActivityName=".activities.ScanActivity" /> 

     <activity 
      android:name=".activities.TestActivity" 
      android:parentActivityName=".activities.MainActivity"></activity> 

     <service 
      android:name="services.MonitorService" 
      android:label="Monitoring Service"></service> 

     <receiver android:name="recievers.MonitorServiceReceiver"> 
      <intent-filter> 
       <action android:name="android.intent.action.BOOT_COMPLETED"></action> 
      </intent-filter> 
     </receiver> 
    </application> 

</manifest> 

styles.xml

<resources> 

    <!-- Base application theme. --> 
    <style name="AppTheme" parent="Theme.AppCompat"> 
     <!-- Customize your theme here. --> 
     <item name="colorPrimary">@color/colorPrimary</item> 
     <item name="colorPrimaryDark">@color/colorPrimaryDark</item> 
     <item name="colorAccent">@color/colorAccent</item> 
     <item name="windowActionBar">false</item> 
     <item name="windowNoTitle">true</item> 
     <item name="android:textColor">@color/blueGrey</item> 
     <item name="android:buttonStyle">@style/AppTheme.Button2</item> 
     <item name="android:color">@color/white</item> 
    </style> 

    <style name="AppTheme.MyAppTheme"> 
     <item name="colorPrimary">@color/colorPrimary2</item> 
     <item name="colorPrimaryDark">@color/colorPrimaryDark2</item> 
     <item name="colorAccent">@color/colorPrimary2</item> 
    </style> 

    <style name="buttonStyle" parent="Widget.AppCompat.Button"> 
     <item name="android:textColor">@color/white</item> 
    </style> 

    <style name="AppTheme.NoActionBar"> 
     <item name="windowActionBar">false</item> 
     <item name="windowNoTitle">true</item> 
    </style> 

    <style name="ToolBarTheme" parent="ToolBarTheme"> 
     <item name="android:background">@color/colorPrimary2</item> 
    </style> 

    <style name="AppTheme.AppBarOverlay" parent="ThemeOverlay.AppCompat.Dark.ActionBar" /> 

    <style name="AppTheme.PopupOverlay" parent="ThemeOverlay.AppCompat.Light" /> 

    <style name="AppTheme.Button" parent="Widget.AppCompat.Button.Colored"> 
     <item name="android:colorButtonNormal">@color/brown</item> 
     <item name="android:textColor">@color/white</item> 
    </style> 

    <style name="AppTheme.Button2" parent="Widget.AppCompat.Button.Colored"> 
     <item name="android:colorButtonNormal">@color/blueGrey</item> 
     <item name="android:textColor">@color/white</item> 
    </style> 

    <style name="MyCard" parent="CardView.Dark"> 
     <item name="cardBackgroundColor">#311b92</item> 
     <item name="android:textColor">@color/colorPrimaryDark2</item> 
     <item name="android:textStyle">bold</item> 
    </style> 

    <style name="AlertDialogCustom" parent="@android:style/Theme.Dialog"> 
     <item name="android:background">@color/colorLight</item> 
    </style> 


</resources> 

Answer 1

Theme.AppCompat有默認的深色背景。

您可以在編輯器中它更改爲 Theme.AppCompat.Light

或者 Theme.AppCompat. Light.DarkActionBar