学步园

/**
* 判断包名所对应的应用是否安装在SD卡上
* @return, true if install on SD card 
*/ 
public static boolean isInstallOnSDCard(String packageName) { 
PackageManager pm = LauncherApplication.getApp().getPackageManager(); 
ApplicationInfo appInfo; 
try { 
    appInfo = pm.getApplicationInfo(packageName, 0); 
    if ((appInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0) { 
        return true; 
    } 
} catch (NameNotFoundException e) { 
    e.printStackTrace(); 
} 
return false; 
}