Android viewstub Layout Delay loading

Viewstub itself only occupies a little memory space

The layout that the layout property points to is loaded after calling inflate to replace the position of the current viewstub

When you need to choose what layout to display, you can use viewstub to delay loading

Note: Inflate can only be used once

Layout:activity_view_stub.xml

<relativelayout    xmlns:android= "http://schemas.android.com/apk/res/android"    android:layout_width= " Match_parent "    android:layout_height=" match_parent ">    <button        android:id=" @+id/btn_show        " Android:layout_width= "Wrap_content"        android:layout_height= "wrap_content"        android:onclick= "show"        Android:text= "show viewstub points to Layout"/>    <button        android:id= "@+id/btn_hide"        android:layout_ Width= "Wrap_content"        android:layout_height= "wrap_content"        android:layout_torightof= "@id/btn_show"        android:onclick= "Hide"        android:text= "Hide viewstub point to Layout"/>    <viewstub        android:id= "@ +id/vs_stub "        android:layout_width=" fill_parent "        android:layout_height=" Fill_parent "        android: layout_below= "@id/btn_show"        android:layout= "@layout/rorate_bitmap"/></relativelayout>

Public classViewstubactivityextendsActivity {    Viewstubmviewstub;    @Override    protected voidonCreate(Bundle savedinstancestate) {Super. OnCreate (Savedinstancestate);        Setcontentview (r.layout.activity_view_stub);        mviewstub= (viewstub) Findviewbyid (r.id.vs_stub);    } ViewInflate;Public voidShow(View view) {if(Inflate==NULL)Inflate=mviewstub. Inflate ();Else            Inflate. setvisibility (View.VISIBLE);    }Public voidHide(View view) {if(Inflate==NULL)Inflate=mviewstub. Inflate ();        Inflate. setvisibility (View.GONE);    }}

Android viewstub Layout Delay loading