[英]How to make an item layout with a fixed aspect ratio background on multiple types of devices in Android?
What we want to make: 我们要做的是:
Display a sub layout on the screen of the TV. 在电视屏幕上显示子布局。 The width of the TV layout is match_parent. 电视布局的宽度为match_parent。
What I Tried: 我试过的
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content" >
<ImageView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:scaleType="fitCenter"
android:layout_centerHorizontal="true"
android:adjustViewBounds="true"
android:src="@drawable/bg_tv_left" />
<include
android:layout_width="200dp"
android:layout_height="200dp"
android:layout_marginTop="13dp"
android:layout_marginLeft="13dp"
layout="@layout/content" />
</RelativeLayout>
The Result: 结果:
Your ratio looks good, you need both child have the same layout_width and layout_height to get the perfect position, try this one: 您的比例看起来不错,您需要两个孩子都具有相同的layout_width和layout_height才能获得理想的位置,请尝试以下方法:
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content" >
<ImageView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:scaleType="fitCenter"
android:layout_centerHorizontal="true"
android:adjustViewBounds="true"
android:src="@drawable/bg_tv_left" />
<!-- adjust the margin to get the best positioning -->
<include
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginTop="13dp"
android:layout_marginLeft="13dp"
layout="@layout/content" />
</RelativeLayout>
You may need one more layout to wrap them, depend on your UI design 您可能还需要一种布局来包装它们,具体取决于您的UI设计
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