我想为客户制作一个特定的布局,但它不能与我合作(忽略语言差异)看看设计的背景是如何具有alpha而在我的布局中却没有。 这是我的xml代码:
<?xml version="1.0" encoding="utf-8"?>
<android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/drawer_layout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:animateLayoutChanges="true"
android:background="@drawable/bg"
android:fitsSystemWindows="true">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@drawable/bg"
android:orientation="vertical"
android:id="@+id/rootLayout"
android:visibility="visible"
android:gravity="center" >
<include
android:id="@+id/top"
layout="@layout/top_bar"
android:layout_width="match_parent"
android:layout_height="wrap_content" />
<ImageView
android:layout_width="wrap_content"
android:layout_gravity="center_vertical|center_horizontal"
android:gravity="center"
android:id="@+id/ivTeam"
android:clickable="false"
android:layout_centerInParent="true"
android:focusable="false"
android:alpha="0.5"
android:focusableInTouchMode="false"
android:layout_height="wrap_content" />
<LinearLayout
android:layout_width="wrap_content"
android:layout_below="@+id/top"
android:weightSum="8"
android:layout_height="match_parent"
android:orientation="vertical">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
android:layout_marginTop="32dp"
android:weightSum="2"
android:layout_weight="2">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:id="@+id/firstRow"
android:layout_marginStart="32dp"
android:layout_weight="1"
android:layout_marginEnd="32dp"
android:layout_marginBottom="4dp"
android:orientation="horizontal">
<RelativeLayout
android:id="@+id/rlDraws"
android:layout_width="0dp"
android:layout_weight="1"
android:background="@color/top_blue"
android:layout_marginTop="8dp"
android:layout_marginBottom="8dp"
android:layout_marginStart="4dp"
android:layout_marginEnd="4dp"
android:layout_height="wrap_content">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_above="@+id/tvDraw"
android:gravity="center"
android:layout_alignParentTop="true">
<ImageView
android:layout_width="wrap_content"
android:layout_gravity="center_vertical"
android:layout_height="match_parent"
android:tint="@color/white"
android:layout_margin="4dp"
android:src="@drawable/draw"/>
</LinearLayout>
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:id="@+id/tvDraw"
android:text="@string/draw"
android:layout_centerHorizontal="true"
android:textColor="@color/white"
android:background="@color/red"
android:gravity="center"
android:padding="8dp"
android:textStyle="bold"/>
</RelativeLayout>
<RelativeLayout
android:id="@+id/rlTeams"
android:layout_width="0dp"
android:layout_weight="1"
android:layout_marginTop="8dp"
android:layout_marginBottom="8dp"
android:background="@color/top_blue"
android:layout_marginStart="4dp"
android:layout_marginEnd="4dp"
android:layout_height="wrap_content">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_above="@+id/tvSupport"
android:gravity="center"
android:layout_alignParentTop="true">
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/ivSupport"
android:tint="@color/white"
android:src="@drawable/team_land" />
</LinearLayout>
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:text="@string/support_team"
android:id="@+id/tvSupport"
android:layout_centerHorizontal="true"
android:textColor="@color/white"
android:background="@color/red"
android:gravity="center"
android:padding="8dp"
android:textStyle="bold"/>
</RelativeLayout>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:layout_weight="1"
android:layout_marginTop="4dp"
android:layout_marginStart="32dp"
android:layout_marginEnd="32dp"
android:layout_marginBottom="4dp"
android:orientation="horizontal">
<RelativeLayout
android:id="@+id/rlResults"
android:layout_width="0dp"
android:background="@color/top_blue"
android:layout_weight="1"
android:layout_marginTop="8dp"
android:layout_marginBottom="8dp"
android:layout_marginStart="4dp"
android:layout_marginEnd="4dp"
android:layout_height="wrap_content">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_above="@+id/tvResults"
android:gravity="center"
android:layout_alignParentTop="true">
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@drawable/results" />
</LinearLayout>
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:text="@string/clouds_results"
android:layout_centerHorizontal="true"
android:textColor="@color/white"
android:id="@+id/tvResults"
android:background="@color/red"
android:gravity="center"
android:padding="8dp"
android:textStyle="bold"/>
</RelativeLayout>
<RelativeLayout
android:id="@+id/rlNews"
android:layout_width="0dp"
android:layout_weight="1"
android:background="@color/top_blue"
android:layout_marginTop="8dp"
android:layout_marginBottom="8dp"
android:layout_marginStart="4dp"
android:layout_marginEnd="4dp"
android:layout_height="wrap_content">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_above="@+id/tvNews"
android:gravity="center"
android:layout_alignParentTop="true">
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@drawable/news" />
</LinearLayout>
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:text="@string/news"
android:layout_centerHorizontal="true"
android:textColor="@color/white"
android:id="@+id/tvNews"
android:background="@color/red"
android:gravity="center"
android:padding="8dp"
android:textStyle="bold"/>
</RelativeLayout>
</LinearLayout>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:layout_marginStart="32dp"
android:layout_weight="6"
android:layout_marginEnd="32dp"
android:layout_marginTop="12dp"
android:orientation="horizontal">
<RelativeLayout
android:id="@+id/rlRating"
android:layout_width="match_parent"
android:background="@color/top_blue"
android:layout_marginTop="8dp"
android:layout_marginBottom="32dp"
android:layout_marginStart="4dp"
android:layout_marginEnd="4dp"
android:layout_height="wrap_content">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_above="@+id/tvMyRating"
android:gravity="center"
android:layout_alignParentTop="true">
<ImageView
android:layout_width="wrap_content"
android:layout_gravity="center_vertical"
android:layout_height="wrap_content"
android:tint="@color/white"
android:layout_margin="4dp"
android:src="@drawable/star"/>
<ImageView
android:layout_width="wrap_content"
android:layout_gravity="center_vertical"
android:tint="@color/white"
android:layout_height="wrap_content"
android:layout_margin="4dp"
android:src="@drawable/star"/>
<ImageView
android:layout_width="wrap_content"
android:layout_gravity="center_vertical"
android:tint="@color/white"
android:layout_margin="4dp"
android:layout_height="wrap_content"
android:src="@drawable/star"/>
</LinearLayout>
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/tvMyRating"
android:layout_alignParentBottom="true"
android:text="@string/my_rating"
android:layout_centerHorizontal="true"
android:textColor="@color/white"
android:background="@color/red"
android:gravity="center"
android:padding="8dp"
android:textStyle="bold"/>
</RelativeLayout>
</LinearLayout>
</LinearLayout>
</RelativeLayout>
<android.support.design.widget.NavigationView
android:id="@+id/nav_view"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:paddingTop="10dp"
android:layout_gravity="start"
android:fitsSystemWindows="true">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginTop="10dp"
android:background="@color/blue"
android:orientation="vertical">
<ListView
android:id="@+id/lst_menu_items"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:background="@color/blue"
android:divider="@android:color/transparent"
android:paddingTop="5dp" />
</LinearLayout>
</android.support.design.widget.NavigationView>
答案 0 :(得分:1)
答案 1 :(得分:0)
十六进制不透明度值
100% - FF 95% - F2 90% - E6 85% - D9 80% - CC 75% - 高炉 70% - B3 65% - A6 60% - 99 55% - 8C 50% - 80 45% - 73 40% - 66 35% - 59 30% - 4D 25% - 40 20% - 33 15% - 26 10% - 1A 5% - 0D 0% - 00
tableView.sectionIndexBackgroundColor = UIColor(white: CGFloat(1.0), alpha: CGFloat(0.5)) // change the alpha and check once