Android控件属性android:visibility的"invisible"与"gone"的区别
"invisible" : 不可见
"gone" : 隐 藏
主要区别在于控件设置了invisible后控件不可见,但是保留了控件在界面上的空间,而设置为gone,则不保留控件占有的空间。
test.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="horizontal" > <TextView android:layout_width="match_parent" android:layout_height="100dip" android:layout_weight="1" android:background="@color/green" /> <TextView android:layout_width="match_parent" android:layout_height="100dip" android:layout_weight="1" android:background="@color/red" /> </LinearLayout>
效果:
invisible.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="horizontal" > <TextView android:layout_width="match_parent" android:layout_height="100dip" android:layout_weight="1" android:background="@color/green" /> <TextView android:layout_width="match_parent" android:layout_height="100dip" android:layout_weight="1" android:background="@color/red" android:visibility="invisible" /> </LinearLayout>
效果:
gone.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="horizontal" > <TextView android:layout_width="match_parent" android:layout_height="100dip" android:layout_weight="1" android:background="@color/green" /> <TextView android:layout_width="match_parent" android:layout_height="100dip" android:layout_weight="1" android:background="@color/red" android:visibility="gone" /> </LinearLayout>
效果:
从这三种效果,invisible和gone的区别就一目了然了。