findviewbyid找不到控件
苦脑了很久,请各位高手们帮我解决,我是新手!我的findViewById找不到定义好的控件不知是为什么。具体原码如下:
layout下xml文件原码:
<TextView
android:id="@+id/mytext"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_centerVertical="true"
tools:context=".Activity01" />
<Button
android:id="@+id/mybutton"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_alignParentLeft="true"
tools:context=".Activity01" />
R文件ID原码:
public static final class id {
public static final int menu_settings=0x7f070002;
public static final int mybutton=0x7f070001;
public static final int mytext=0x7f070000;
}
src文件下java文件原码:
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_activity01);
TextView myText = (TextView)this.findViewById(android.R.id.mytext);
Button mybutton=(Button)this.findViewById(android.R.id.mybutton);
}
如以上所示,mytext和mybutton提示mytext cannot be resolved or is not a field。请各位大虾帮忙。