//暴力打开某个APP  = 。=   如果可以打开。直接打开不解释

+(BOOL)isOpenApp:(NSString*)appIdentifierName

{

    Class LSApplicationWorkspace_class = objc_getClass("LSApplicationWorkspace");

    NSObject* workspace = [LSApplicationWorkspace_class performSelector:@selector(defaultWorkspace)];

    BOOL isOpenApp = [workspace performSelector:@selector(openApplicationWithBundleID:) withObject:appIdentifierName];

    return isOpenApp;

}