ScrollView不能包含多个子项，ScrollView can host only one direct child
Android 2.3.3Eclipse Version: 3.7.0LogCat LogCat 报错信息：03-06 11:32:11.126: ERROR/AndroidRuntime(17173): Caused by: java.lang.IllegalStateException: ScrollView can host only one direct child03-06 11:32:11.126: ERROR/AndroidRuntime(17173): at android.widget.ScrollView.addView(ScrollView.java:229)03-06 11:32:11.126: ERROR/AndroidRuntime(17173): at android.view.LayoutInflater.rInflate(LayoutInflater.java:627)03-06 11:32:11.126: ERROR/AndroidRuntime(17173): at android.view.LayoutInflater.rInflate(LayoutInflater.java:626)03-06 11:32:11.126: ERROR/AndroidRuntime(17173): at android.view.LayoutInflater.inflate(LayoutInflater.java:408)03-06 11:32:11.126: ERROR/AndroidRuntime(17173): at android.view.LayoutInflater.inflate(LayoutInflater.java:320)03-06 11:32:11.126: ERROR/AndroidRuntime(17173): at android.view.LayoutInflater.inflate(LayoutInflater.java:276)03-06 11:32:11.126: ERROR/AndroidRuntime(17173): at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:207)03-06 11:32:11.126: ERROR/AndroidRuntime(17173): at android.app.Activity.setContentView(Activity.java:1657)03-06 11:32:11.126: ERROR/AndroidRuntime(17173): at com.tmall.nokia.manage.CopyRight.onResume(CopyRight.java:50)03-06 11:32:11.126: ERROR/AndroidRuntime(17173): at android.app.Instrumentation.callActivityOnResume(Instrumentation.java:1150)03-06 11:32:11.126: ERROR/AndroidRuntime(17173): at android.app.Activity.performResume(Activity.java:3832)03-06 11:32:11.126: ERROR/AndroidRuntime(17173): at android.app.ActivityThread.performResumeActivity(ActivityThread.java:2110)03-06 11:32:11.126: ERROR/AndroidRuntime(17173): ... 12 more
发生错误原因分析：
ScrollView仅支持一个子项。
查看对应的layout xml
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"android:layout_width="fill_parent" android:layout_height="wrap_content"android:scrollbars="vertical"><TextView android:id="@+id/nokia" android:layout_gravity="center"android:layout_width="fill_parent" android:layout_height="wrap_content"android:textAppearance="?android:attr/textAppearanceMedium"android:text="@string/text_nokia"></TextView><TextView android:id="@+id/iphone4s" android:layout_gravity="center"android:layout_width="wrap_content" android:layout_height="wrap_content"android:text="@string/text_iphone4s"></TextView></ScrollView>
发现ScrollView中有两个TextView子项。
解决办法：
在ScrollView 中设LinearLayout为子项 ，将其它View放入LinearLayout。
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"android:layout_width="fill_parent" android:layout_height="wrap_content"android:scrollbars="vertical"><LinearLayout android:id="@+id/tmall"android:layout_width="fill_parent" android:layout_height="wrap_content"android:orientation="vertical"><TextView android:id="@+id/nokia" android:layout_gravity="center"android:layout_width="fill_parent" android:layout_height="wrap_content"android:textAppearance="?android:attr/textAppearanceMedium"android:text="@string/text_nokia"></TextView><TextView android:id="@+id/iphone4s" android:layout_gravity="center"android:layout_width="wrap_content" android:layout_height="wrap_content"android:text="@string/text_iphone4s"></TextView></LinearLayout></ScrollView> PS。在编辑layout xml时应注意“Error Log”窗口与layout xml编辑窗口的“Graphical Layout”选项卡。
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