IOS Widgets Simple to use

iOS widgets similar to Android notification settings after flags for notification.flag_ongoing_event

OK, about to know what it means, now you can start the code.

1. Create Widgets

Target: Xcode menu, File, New. Select Today Extension

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2. Set the pure Code widget in the plist file

1. Remove the Nsextensionmainstoryboard field
2. Add the Nsextensionprincipalclass field, set value to Todayviewcontroller, and, of course, set other Viewcontroller

3. Select today when you are running

4. Add some controls to see the effect

- (void) viewdidload {[Super viewdidload]; //Add a button and click the button to change the color of the backgroundUIButton *button =[UIButton Buttonwithtype:uibuttontypesystem]; [Button Settitle:@"Click"Forstate:uicontrolstatenormal]; Button.backgroundcolor=[Uicolor Whitecolor];    [Button addtarget:self action: @selector (ClickAction) forcontrolevents:uicontroleventtouchupinside]; Button.frame= CGRectMake ( -,Ten, -, -);    [Self.view Addsubview:button]; }- (void) clickaction{Self.view.backgroundColor=[Uicolor Redcolor];}

Effect

See you will find that the left side is empty a large chunk, because the Widget default will have a inset, rewrite the following method is good

-(Uiedgeinsets) Widgetmargininsetsforproposedmargininsets: (uiedgeinsets) defaultmargininsets {     return Uiedgeinsetszero;}

The final effect is as follows:

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IOS widgets Simple to use