troZee

//Blinking Animation of Multiply Drawables in ActionBar Toolbar on Android
//You can use AnimationDrawable, if you don't want to custom blinking animation 

 private void initAnimationOfCustomPins() {
		ActionBar actionBar = getActionBar();
		
		if (actionBar == null || !Constant.USE_ANIMATION_OF_CUSTOM_PINS) {
			return;
		}

troZee

// this func show CNContactViewController for new contact and fill it using CNMutableContact
// Remember about permissions 

    func createContcat() {
        if #available(iOS 9.0, *) {
            
            let contact = CNMutableContact()
            
            contact.givenName = "Jack"
            contact.familyName = "Sparrow"

troZee

#import <React/RCTViewManager.h>
#import <React/RCTUIManager.h>
#import <React/RCTLog.h>
RCT_EXPORT_METHOD(goToPreviousPage:(nonnull NSNumber*) reactTag) {
  [self.bridge.uiManager addUIBlock:^(RCTUIManager *uiManager, NSDictionary<NSNumber *,UIView *> *viewRegistry) {
    NativeView *view = viewRegistry[reactTag];
    if (!view || ![view isKindOfClass:[NativeView class]]) {
      RCTLogError(@"Cannot find NativeView with tag #%@", reactTag);
      return;
    }

troZee

class MyNativeView extends React.Component<Props> {
  goToNextPage = () => {
    UIManager.dispatchViewManagerCommand(
      ReactNative.findNodeHandle(this),
      UIManager.getViewManagerConfig('RNCMyNativeView').Commands.goToNextPage,
      []
    );
  };

  goToPreviousPage = () => {

troZee

class MyNativeView extends React.Component<Props> {
  goToNextPage = () => {
    NativeModules.RNCMyNativeView.goToNextPage();
  };

  goToPreviousPage = () => {
    NativeModules.RNCMyNativeView.goToPreviousPage();
  };

  render() {

troZee

 <View>
   <MyNativeView ref={this.myNativeView} />
   <ButtonContainer>
     <Button
       title="Previous"
       onPress={() => {
         this.myNativeView.current.goToPreviousPage();
       }}
     />
     <Button

troZee

<View>
  <MyNativeView />
  <ButtonContainer>
    <Button title="Previous" />
    <Button title="Next" />
  </ButtonContainer>
  <MyNativeView />
  <ButtonContainer>
    <Button title="Previous" />
    <Button title="Next" />

troZee

UIPageControl *pageIndicatorView = [[UIPageControl alloc] init];
pageIndicatorView.translatesAutoresizingMaskIntoConstraints = NO;
NSLayoutConstraint *bottomConstraint = [pageIndicatorView.bottomAnchor constraintEqualToAnchor: self.view.bottomAnchor constant:0];
NSLayoutConstraint *leadingConstraint = [pageIndicatorView.leadingAnchor constraintEqualToAnchor: self.view.leadingAnchor constant:0];
NSLayoutConstraint *trailingConstraint = [pageIndicatorView.trailingAnchor constraintEqualToAnchor: self.view.trailingAnchor constant:0];
[self.view addConstraints:@[bottomConstraint,leadingConstraint,trailingConstraint]];
[self.view layoutIfNeeded];

troZee

const regex = /(^0[\,\.][0-9]{1,}$)|(^[1-9][0-9]{1,}$)|(^[0-9]$)|(^[1-9][0-9]{0,}[\,\.][0-9]{1,}$)/gm;
const str = `01
001
033
0000033
00000.2
00000000000000
01010101010
0000.0
aaa

troZee

const regex = /(^\-?0[\,\.][0-9]{1,}$)|(^\-?[1-9][0-9]{1,}$)|(^[0-9]$)|(^\-?[1-9][0-9]{0,}[\,\.][0-9]{1,}$)|(^\-?[1-9]$)/gm;
const str = `01
001
033
0000033
00000.2
00000000000000
01010101010
0000.0
aaa