求教,为啥我的TextureView会是漆黑一片

Question

背景我已经改成白色的,怎么还是黑的

Answer 1

LinearLayout的背景色是黑色的吗？

Answer 2

那个是白的,你看中间的那块白的就是所在layout的背景色

Answer 3

实际运行起来也是黑色背景吗？
xml发上来看看。

Answer 4

<TableLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/TableLayout1"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="#0099cc"
    tools:context=".FullscreenActivity" >    <!--
         The primary full-screen view. This can be replaced with whatever view
         is needed to present your content, e.g. VideoView, SurfaceView,
         TextureView, etc.
    -->    <EditText
        android:id="@+id/editText4"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="16dp"
        android:ems="10"
        android:hint="@string/app_name"
        android:text="@string/ch1" />    <EditText
        android:id="@+id/editText3"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="16dp"
        android:ems="10"
        android:hint="@string/app_name"
        android:text="@string/ch2" />    <EditText
        android:id="@+id/editText2"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="16dp"
        android:ems="10"
        android:hint="@string/app_name"
        android:text="@string/ch3" />    <EditText
        android:id="@+id/editText1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="16dp"
        android:ems="10"
        android:hint="@string/app_name"
        android:text="@string/ch4"
        android:textAlignment="textStart" />    <ImageButton
        android:id="@+id/imageButton1"
        android:layout_height="48dp"
        android:contentDescription="@string/app_name"
        android:scaleType="fitStart"
        android:src="@android:drawable/btn_star" />    <com.example.fstest.ImageTextButton
        android:id="@+id/imageTextButton1"
        android:layout_height="48dp"
        android:background="#00000000"
        android:contentDescription="@string/app_name"
        android:scaleType="fitStart"
        android:src="@android:drawable/btn_star"
        android:text="@string/itbutton"
        android:textColor="#cc0000" >    </com.example.fstest.ImageTextButton>    <LinearLayout
        android:layout_width="wrap_content"
        android:layout_height="48dp" >        <LinearLayout
            android:layout_width="wrap_content"
            android:layout_height="match_parent" >            <ImageView
                android:id="@+id/imageView1"
                android:layout_width="50dp"
                android:layout_height="match_parent"
                android:contentDescription="@string/name_test"
                android:scaleType="fitXY"
                android:src="@android:drawable/ic_menu_report_image" />        </LinearLayout>        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:background="@color/clor_white"
            android:orientation="vertical" >            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="24dp"
                android:background="@color/clor_white" >                <TextureView
                    android:id="@+id/textureView_Name"
                    android:layout_width="128dp"
                    android:layout_height="wrap_content"
                    android:background="@color/clor_white"
                    android:text="@string/name_test"
                    android:textAlignment="textStart"
                    android:textStyle="bold" />                <TextureView
                    android:id="@+id/textureView_Date"
                    android:layout_width="0dp"
                    android:layout_height="wrap_content"
                    android:layout_marginLeft="8dp"
                    android:layout_marginRight="0dp"
                    android:layout_weight="0.72"
                    android:background="@color/clor_white"
                    android:text="@string/time_test" />            </LinearLayout>            <TextureView
                android:id="@+id/textureView_Message"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:background="@color/clor_white"
                android:text="@string/message_test" />        </LinearLayout>    </LinearLayout>    <TextView
        android:id="@+id/fullscreen_content"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:gravity="center"
        android:keepScreenOn="true"
        android:text="@string/dummy_content"
        android:textColor="#33b5e5"
        android:textSize="50sp"
        android:textStyle="bold" />    <!--
         This FrameLayout insets its children based on system windows using
         android:fitsSystemWindows.
    --></TableLayout>用模拟器运行了下,第一次运行失败,后来在模拟器里通过桌面图标重新运行了

Answer 5

难道是因为TextureView要GPU支持?

Answer 6

你是用textView还是textureView?
TextureView我在左边的控件箱里只找到了TextureView,没找到TextView

Answer 7

TextureView的背景色要你自己画才行吧？
Canvas canvas = lockCanvas();
想要啥颜色自己canvas.drawColor不就完了嘛