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relativelayout设计问题：relativelayout和button之间的scrollview

发布于 2024-12-14 07:04:24 字数 4316 浏览 2 评论 0原文

我的 Activity 的布局必须如下所示：

  • 屏幕分为 3 个部分（3 个“行”），
  • 第一个部分由左侧的图像和旁边的两个 TextView 组成。
  • 第二部分是一个大文本，放入 ScrollView 中以便可以滚动。
  • 第三部分只是一个按钮，并且该按钮必须始终位于屏幕底部。

因此，第 1 部分和第 3 部分都必须固定，只有第 2 部分可以滚动。

这是我的代码：

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/relativeLayout0"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent">

<RelativeLayout
    android:id="@+id/relativeLayout1"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content">

    <ImageView
        android:id="@+id/imageView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:src="@drawable/ic_launcher"
        android:layout_alignParentLeft="true"
        android:layout_alignParentTop="true" />

    <TextView
        android:id="@+id/textView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"            
        android:layout_toRightOf="@id/imageView1"
        android:text="TextView" />

    <TextView
        android:id="@+id/textView2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"            
        android:layout_toRightOf="@id/imageView1"
        android:layout_below="@id/textView1"
        android:text="TextView" />

</RelativeLayout>

<RelativeLayout 
    android:id="@+id/relativeLayout2"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_below="@id/relativeLayout1">      

    <ScrollView
        android:id="@+id/scrollView1"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content" >    

        <TextView
            android:id="@+id/textView3"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text " />

    </ScrollView>

</RelativeLayout>

<RelativeLayout 
    android:id="@+id/relativeLayout3"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_alignBottom="@id/relativeLayout2">

    <Button
        android:id="@+id/button1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Button" />

</RelativeLayout>

</RelativeLayout>

这里的问题非常明显：

在此处输入图像描述

中间部分的文本可以滚动，但问题是当按钮在布局中“开始”时，ScrollView 不会“结束”。

原文

The layout of my activity must be as follows:

  • screen is divided into 3 sections (3 "rows")
  • first section consists of an image to the left, and two TextViews next to it.
  • second section is a large text, put into a ScrollView so it can be scrolled.
  • third section is just a button, and this button must be at the bottom of the screen always.

So, both the 1st and 3rd sections must be fixed, only the 2nd section can be scrolled.

Here is my code:

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/relativeLayout0"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent">

<RelativeLayout
    android:id="@+id/relativeLayout1"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content">

    <ImageView
        android:id="@+id/imageView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:src="@drawable/ic_launcher"
        android:layout_alignParentLeft="true"
        android:layout_alignParentTop="true" />

    <TextView
        android:id="@+id/textView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"            
        android:layout_toRightOf="@id/imageView1"
        android:text="TextView" />

    <TextView
        android:id="@+id/textView2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"            
        android:layout_toRightOf="@id/imageView1"
        android:layout_below="@id/textView1"
        android:text="TextView" />

</RelativeLayout>

<RelativeLayout 
    android:id="@+id/relativeLayout2"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_below="@id/relativeLayout1">      

    <ScrollView
        android:id="@+id/scrollView1"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content" >    

        <TextView
            android:id="@+id/textView3"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text " />

    </ScrollView>

</RelativeLayout>

<RelativeLayout 
    android:id="@+id/relativeLayout3"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_alignBottom="@id/relativeLayout2">

    <Button
        android:id="@+id/button1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Button" />

</RelativeLayout>

</RelativeLayout>

The problem is pretty obvious here:

enter image description here

The text in the middle section can be scrolled alright, but the problem is the fact that the ScrollView doesn't "end" when the button "begins" in the layout.

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评论（2）

稚然 2024-12-21 07:04:24

试试这个：

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical" >

    <RelativeLayout
        android:id="@+id/relativeLayout1"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content" >

        <ImageView
            android:id="@+id/imageView1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentLeft="true"
            android:layout_alignParentTop="true"
            android:src="@drawable/ic_launcher" />

        <TextView
            android:id="@+id/textView1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_toRightOf="@id/imageView1"
            android:text="TextView" />

        <TextView
            android:id="@+id/textView2"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_below="@id/textView1"
            android:layout_toRightOf="@id/imageView1"
            android:text="TextView" />
    </RelativeLayout>

    <RelativeLayout
        android:id="@+id/relativeLayout2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_weight="1"
        android:layout_below="@id/relativeLayout1" >

        <ScrollView
            android:id="@+id/scrollView1"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content" >

            <TextView
                android:id="@+id/textView3"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text " />
        </ScrollView>
    </RelativeLayout>

    <RelativeLayout
        android:id="@+id/relativeLayout3"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignBottom="@id/relativeLayout2" >

        <Button
            android:id="@+id/button1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Button" />
    </RelativeLayout>

</LinearLayout>

Try this:

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical" >

    <RelativeLayout
        android:id="@+id/relativeLayout1"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content" >

        <ImageView
            android:id="@+id/imageView1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentLeft="true"
            android:layout_alignParentTop="true"
            android:src="@drawable/ic_launcher" />

        <TextView
            android:id="@+id/textView1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_toRightOf="@id/imageView1"
            android:text="TextView" />

        <TextView
            android:id="@+id/textView2"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_below="@id/textView1"
            android:layout_toRightOf="@id/imageView1"
            android:text="TextView" />
    </RelativeLayout>

    <RelativeLayout
        android:id="@+id/relativeLayout2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_weight="1"
        android:layout_below="@id/relativeLayout1" >

        <ScrollView
            android:id="@+id/scrollView1"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content" >

            <TextView
                android:id="@+id/textView3"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text BIG BIG text " />
        </ScrollView>
    </RelativeLayout>

    <RelativeLayout
        android:id="@+id/relativeLayout3"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignBottom="@id/relativeLayout2" >

        <Button
            android:id="@+id/button1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Button" />
    </RelativeLayout>

</LinearLayout>
回复 原文
可遇━不可求 2024-12-21 07:04:24

我想补充一点，您可以使用RelativeLayout 作为最外层布局（而不是Luksprogs 示例中的LinearLayout）来解决此问题。假设您有两个视图：viewAbove 和 viewBelow，并且您想用另一个视图填充两个视图之间的空间。将其添加到后一个视图中：

android:layout_below="@id/viewAbove"
android:layout_above="@id/viewBelow"

I'd just like to add that you can solve this using a RelativeLayout as the outermost layout (instead of LinearLayout as in Luksprogs example). Lets say you have two views: viewAbove and viewBelow, and you want to fill the space between the two views with another view. Add this to the latter view:

android:layout_below="@id/viewAbove"
android:layout_above="@id/viewBelow"
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