In Android, how does one determine whether the current interface is home main desktop?

/**
* Obtain the application package name of the desktop application.
* @ Return returns the string list containing all package names.
*/
Private list <string> gethomes (){
List <string> names = new arraylist <string> ();
Packagemanager = This. getpackagemanager ();
// Attributes
Intent intent = new intent (intent. action_main );
Intent. addcategory (intent. category_home );
List <resolveinfo> resolveinfo = packagemanager. queryintentactivities (intent,

Packagemanager. match_default_only );
For (resolveinfo Ri: resolveinfo ){
Names. Add (Ri. activityinfo. packagename );
Log. I ("zhangyinfu pinyinime. Java", "packagename =" + Ri. activityinfo. packagename );
}
Return names;
}

Analysis: 1) to determine the current interface, determine the first one in the current runningtasks;

2) Introduce activitymanager to get runningtasks;

3) retrieve the packagename of the topactivity in runningtasks;

4) make a comparison with the list obtained in step 1!

5) related permissions must be added.

<Uses-Permission Android: Name = "android. Permission. get_tasks"/>

/**
* Determine whether the current interface is a desktop
*/
Public Boolean ishome (){
Activitymanager mactivitymanager = (activitymanager) getsystemservice (context. activity_service );

List <runningtaskinfo> RRTI = mactivitymanager. getrunningtasks (1 );
List <string> STRs = gethomes ();
If (STRs! = NULL & STRs. Size ()> 0 ){
Return STRs. Contains (RFC. Get (0). topactivity. getpackagename ());
} Else {
Return false;
}
}

 

Address: http://www.linuxidc.com/Linux/2012-02/54987.htm