1.Tweak.xm
%new
- (void)clickLeftItem:(UIButton *)button {
[UIAlertView showWithTitle:@"clear"
message:@"are you sure to clear chat list?"
cancelButtonTitle:@"OK"
otherButtonTitles:@[@"CANCEL"]
tapBlock:^(UIAlertView *alertView, NSInteger buttonIndex) {
if (buttonIndex == [alertView cancelButtonIndex]) {
NSLog(@"ok");
UIViewController *viewController = [objc_getClass("SettingGeneralViewController") new];
objc_msgSend(viewController,NSSelectorFromString(@"clearLocalData"));
} else if ([[alertView buttonTitleAtIndex:buttonIndex] isEqualToString:@"CANCEL"]) {
NSLog(@"cancel");
}
}];
}
%end
if want to know how to add left bar button ,please check the before blog.
2.effect
clear chat history
after click ok button, the chat history will be cleared.
3. Postscript
any problem can comment below, I will response you.
