ArrayAdapter requires the resource ID to be a TextView问题

转载自：/article/10528787.html

[java] view
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ArrayAdapter<String> aryAdapter=new ArrayAdapter<String>(GetTaskList.this,R.layout.list_item,aryListTask);

在使用ArrayAdapter时使用自己写的R.layout.list_item布局容易出现：ArrayAdapter requires the resource ID to be a TextView 报错



R.layout.list_item.xml:

[java] view
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<?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"

>

<TextView android:id="@+id/text1"

android:textSize="16sp"

android:textStyle="bold"

android:layout_width="fill_parent"

android:layout_height="wrap_content"/>

</LinearLayout>

而使用android.R.layout.simple_expandable_list_item_1布局则不会....

问题出在：

[java] view
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<?xml version="1.0" encoding="utf-8"?>

<TextView

xmlns:android=http://schemas.android.com/apk/res/android

android:layout_width="fill_parent"

android:layout_height="wrap_content" />

xmlns:android=http://schemas.android.com/apk/res/android 就是这句了....

添加到自己的TextView中就ok.

因为根节点必须是TextView

修改后的list_item.xml

[java] view
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<?xml version="1.0" encoding="utf-8"?>

<TextView

xmlns:android="http://schemas.android.com/apk/res/android"

android:id="@+id/text1"

android:textSize="16sp"

android:textStyle="bold"

android:layout_width="fill_parent"

android:layout_height="wrap_content"/>