Android Map View

In my application if i press a button map is loaded in my layout.again i press the button i got err开发者_运维技巧or like this.

onlu one map is added to a single map activity . how to solve this.

you can use a programming trick to avoid this.

booleanVar = false; onButtonClick

if(! booleanVar){

load the map . set a booleanVar to true. }