A message bar notification component displayed at the top of the screen for React Native (Android and iOS) projects.
Make sure that you are in your React Native project directory and run:
$ npm install react-native-message-bar --save
react-native-message-bar
package
var MessageBarAlert = require('react-native-message-bar').MessageBar;
var MessageBarManager = require('react-native-message-bar').MessageBarManager;
MessageBarAlert
to your render function
Note: Add it at the very end of your render function, the alert will then be displayed over any component of the view
// Within your render function.
// Include the MessageBar once within your top View element
// Make sure you add the MessageBar at the very bottom of your master component, then it will be displayed over all other components
<MessageBarAlert ref="alert" />
componentDidMount() {
// Register the alert located on this master page
// This MessageBar will be accessible from the current (same) component, and from its child component
// The MessageBar is then declared only once, in your main component.
MessageBarManager.registerMessageBar(this.refs.alert);
}
componentWillUnmount() { // Remove the alert located on this master page from the manager MessageBarManager.unregisterMessageBar(); }
- 4. Display the Message Bar Alert on demand
```javascript
// Call this method after registering your MessageBar as the current alert
// By calling this method the registered alert will be displayed
// This is useful to show the alert from your current page or a child component
MessageBarManager.showAlert({
title: 'Your alert title goes here',
message: 'Your alert message goes here',
alertType: 'success',
// See Properties section for full customization
// Or check `index.ios.js` or `index.android.js` for a complete example
});
Please note, if you do not provide a alertType
, the info
one will be chosen for you.
The normal duration
of the notification is 3 seconds (3000 ms), you can override it. After this time, the notification is going to be hidden
See a full Example in index.ios.js
or index.android.js
.
// You can force the current alert to be hidden through the Manager
MessageBarManager.hideAlert();
The Message Bar Alert comes with 4 pre-configured alert style and 1 undefined extra. These alert styles defined the background color of the alert and the line stroke color. The 4 pre-configured alert styles are:
info
defined blue colorssuccess
defined green colorswarning
defined orange colorserror
defined red colorsThe extra
alert type allows you to use another 5th type.
MessageBarManager.showAlert({
...
alertType: 'info', // Alert Type: you can select one of 'success', 'error', 'warning', 'error', or 'custom' (use custom if you use a 5th stylesheet, all are customizable). Default is 'info'
/* Customize the stylesheets and/or provide an additional one 'extra' */
stylesheetInfo : {{ backgroundColor : '#007bff', strokeColor : '#006acd' }}, // Default are blue colors
stylesheetSuccess : {{ backgroundColor : 'darkgreen', strokeColor : '#b40000' }}, // Default are Green colors
stylesheetWarning : {{ backgroundColor : '#ff9c00', strokeColor : '#f29400' }}, // Default are orange colors
stylesheetError : {{ backgroundColor : '#ff3232', strokeColor : '#FF0000' }}, // Default are red colors
stylesheetExtra : {{ backgroundColor : 'black', strokeColor : 'gray' }}, // Default are blue colors, same as info
...
});
You can customize the style of the Title, Message and Icon/Avatar.
MessageBarManager.showAlert({
...
title: "John Doe", // Title of the alert
message: "Hello, any suggestions?", // Message of the alert
avatar: "<URL/require('<path>') of your icon/avatar>", // Avatar/Icon <URL> of the alert or enter require('LOCALPATH') for local image
/* Number of Lines for Title and Message */
titleNumberOfLines: 1,
messageNumberOfLines: 0, // Unlimited number of lines
/* Style for the text elements and the */
titleStyle: {{ color: 'white', fontSize: 18, fontWeight: 'bold' }},
messageStyle: {{ color: 'white', fontSize: 16 }},
avatarStyle: {{ height: 40, width: 40, borderRadius: 20 }},
...
});
You can customize the inset (padding) and the offset of the alert.
MessageBarManager.showAlert({
...
/* Offset of the View, useful if you have a navigation bar or if you want the alert be shown below another component instead of the top of the screen */
viewTopOffset : 0, // Default is 0
viewLeftOffset : 0, // Default is 0
viewRightOffset : 0, // Default is 0
/* Inset of the view, useful if you want to apply a padding at your alert content */
viewTopInset : 15, // Default is 0
viewLeftInset : 0, // Default is 0
viewRightInset : 0, // Default is 0
...
});
You can choose the position (top
or bottom
) of the alert.
You can choose the way the alert is shown (SlideFromTop
, SlideFromBottom
, SlideFromLeft
or SlideFromRight
).
MessageBarManager.showAlert({
...
/* Position of the alert and Animation Type the alert is shown */
position: 'bottom',
animationType: 'SlideFromLeft',
...
});
Prop | Type | Default | Description |
---|---|---|---|
title | String | Title of the alert | |
message | String | Message of the alert | |
avatar | String | Avatar/Icon source/URL of the alert. Use avatar: 'http://mywebsite.com/myimage.jpg' ) or use avatar: require('<path/to/my/local/image.extension>') for a remote image file |
|
alertType | String | info | Alert Type: you can select one of 'success', 'error', 'warning', 'error', or 'custom' (use custom if you use a 5th stylesheet, all are customizable). |
duration | Number | 3000 | Number of ms the alert is displayed |
shouldHideAfterDelay | Bool | true | Tell the MessageBar whether or not it should hide after a delay defined in the duration property. If false , the MessageBar remain shown |
shouldHideOnTap | Bool | true | Tell the MessageBar whether or not it should hide or not when the user tap the alert. If false , the MessageBar will not hide, but the onTapped function is triggered, if defined. In addition, if false , the onHide function will not be triggered. The property shouldHideAfterDelay take precedence over shouldHideOnTap . That means if shouldHideAfterDelay is false , the value of shouldHideOnTap is not taken into account, since the MessageBar will not ever be hidden |
onTapped | Function | Callback function after alert is tapped | |
onShow | Function | Callback function after alert is shown | |
onHide | Function | Callback function after alert is hidden | |
stylesheetInfo | Object | { backgroundColor: '#007bff', strokeColor: '#006acd' } | Background color and line stroke colors of the alert when alertType is equals to info |
stylesheetSuccess | Object | { backgroundColor: 'darkgreen', strokeColor: '#b40000' } | Background color and line stroke colors of the alert when alertType is equals to success |
stylesheetWarning | Object | { backgroundColor: '#ff9c00', strokeColor: '#f29400' } | Background color and line stroke colors of the alert when alertType is equals to warning |
stylesheetError | Object | { backgroundColor: '#ff3232', strokeColor: '#FF0000' } | Background color and line stroke colors of the alert when alertType is equals to error |
stylesheetExtra | Object | { backgroundColor: '#007bff', strokeColor: '#006acd' } | Background color and line stroke colors of the alert when alertType is equals to extra |
durationToShow | Number | 350 | Duration of the animation to completely show the alert |
durationToHide | Number | 350 | Duration of the animation to completely hide the alert |
viewTopOffset | Number | 0 | Offset of the view from the top. That means the alert touch the top edge of the screen. |
viewBottomOffset | Number | 0 | Offset of the view from the bottom. That means the alert touch the bottom edge of the screen |
viewLeftOffset | Number | 0 | Offset of the view from the left. That means the alert touch the left edge of the screen |
viewRightOffset | Number | 0 | Offset of the view from the right. That means the alert touch the right edge of the screen |
viewTopInset | Number | 0 | Padding Top of the view |
viewBottomInset | Number | 0 | Padding Bottom of the view |
viewLeftInset | Number | 0 | Padding Left of the view |
viewRightInset | Number | 0 | Padding Right of the view |
titleNumberOfLines | Number | 1 | Number of lines of the title. 0 means unlimited |
messageNumberOfLines | Number | 2 | Number of lines of the message. 0 means unlimited |
avatarStyle | Style | { height: 40, width: 40, borderRadius: 20, alignSelf: 'center' } | Style of the icon/avatar |
titleStyle | Style | { color: 'white', fontSize: 18, fontWeight: 'bold' } | Style of the title |
messageStyle | Style | { color: 'white', fontSize: 16 } | Style of the message |
position | String | top | Define the position of the alert, can be top or right |
animationType | String | SlideFromTop | Define the way the alert is animated on the view, can be SlideFromTop , SlideFromBottom , SlideFromLeft or SlideFromRight . If no value is specified, the animation type is selected for you based on the position ; SlideFromTop if position is equal to top , SlideFromBottom if position is equal to bottom . The alert will then be smoothly displayed |
React-Native-Message-Bar
is released under MIT License. See LICENSE
for details.
Copyright © 2016 KBLNY.
Please provide attribution, it is greatly appreciated.