ScrollView不滚动 - Android [英] ScrollView not Scrolling - Android
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问题描述
我无法理解为什么会这样。我无法滚动滚动视图。它有一个textView，一个imageview和几个线性布局。当我用textview替换imageview和线性布局时它正在工作。这真的很不寻常和令人沮丧。谁能帮我？这是我的代码：
I can't understand why this is happening. I am unable to scroll my scrollview. It has a textView, an imageview and few linear layouts inside of it. When I replace the imageview and linear layouts with textview it is working. This is really unusual and frustrating. Can anyone help me? Here is my code:
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<ScrollView
android:id="@+id/scrollView1"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fillViewport="true" >
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:animateLayoutChanges="true"
android:orientation="vertical"
android:scrollbars="vertical" >
<TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:text="Drop Text Down"
android:textAppearance="?android:attr/textAppearanceLarge" />
<ImageView
android:id="@+id/imageView1"
android:layout_width="match_parent"
android:layout_height="555dp"
android:src="@drawable/ic_launcher" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="100dp"
android:orientation="vertical" >
<TextView
android:id="@+id/textView2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="TextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextView" />
</LinearLayout>
<LinearLayout
android:id="@+id/ln"
android:layout_width="match_parent"
android:layout_height="100dp"
android:background="#000000"
android:orientation="vertical" >
<LinearLayout
android:layout_width="match_parent"
android:layout_height="100dp"
android:orientation="vertical" >
<TextView
android:id="@+id/TextView06"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="TextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextView" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="100dp"
android:orientation="vertical" >
<TextView
android:id="@+id/TextView05"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="TextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextView" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="100dp"
android:orientation="vertical" >
<TextView
android:id="@+id/TextView04"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="TextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextView" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="100dp"
android:orientation="vertical" >
<TextView
android:id="@+id/TextView03"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="TextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextView" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="100dp"
android:orientation="vertical" >
<TextView
android:id="@+id/TextView02"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="TextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextView" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="100dp"
android:orientation="vertical" >
<TextView
android:id="@+id/TextView01"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="TextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextViewTextView" />
</LinearLayout>
</LinearLayout>
</LinearLayout>
</ScrollView>
</LinearLayout>
谢谢。
推荐答案
ScrollView 的子视图应设置为wrap_content。如果你将它设置为match_parent，它将填充 ScrollView 的区域，并且永远不会滚动，因为它不会大于 ScrollView 。
The child view of a ScrollView should be set to wrap_content. If you set it to match_parent, it will fill the area of the ScrollView and never scroll, because it won't be larger than the ScrollView.
尝试将子项 LinearLayout layout_height更改为wrap_content或特定大小（以dp为单位） ）而不是match_parent。
Try changing the child LinearLayout layout_height to either wrap_content or a specific size (in dp) instead of match_parent.
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