ArrayAdapter requires the resource ID to be a TextView问题
2011-11-22 12:29
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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:
<?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:
<?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
<?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"/>
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