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Intro
This package helps you daily usable function with ease. Just add nb_utils with its latest version and that's it you are ready to use.
Documentation
API Docs are available.
Installation
add this line to pubspec.yaml
dependencies:
nb_utils: <latest_version>
import package
import 'package:nb_utils/nb_utils.dart';
initialize nb_utils in main.dart file
await initialize();
Examples
/// Add a Google Logo
/// Add size parameter for custom size
/// Default is 24
GoogleLogoWidget()
/// Open a new screen
HomePage().launch(context);
/// Remove all screens from back stack and opens new screen
HomePage().launch(context, isNewTask: true);
/// Back to previous screen
finish(context);
/// Get Color from hex string
Color color = getColorFromHex('#FFFFF');
/// Hide soft keyboard
hideKeyboard(context);
/// Padding All, Apply TextStyle
Column(
children: <Widget>[
Text(item.title.validate(), style: boldTextStyle()),
],
).paddingAll(16)
/// Check given String is not null
/// validate() function verifies weather given String is null or not. if null then it returns blank String
/// validate() function prevents null object
Text(item.title.validate()),
/// Apply Bold TextStyle
Text(item.title.validate(), style: boldTextStyle())
/// Apply Primary TextStyle
Text(item.title.validate(), style: primaryTextStyle())
/// Apply Secondary TextStyle
Text(item.title.validate(), style: secondaryTextStyle())
/// Rounded Image
Image.network(item.image, height: 250).cornerRadiusWithClipRRect(20)
/// Show a Widget (for ex here Circular Progress Bar) only if data is loading or doing some background task
Loader().visible(mIsLoading)
* mIsLoading is bool variable.
/// Center Widget
Text('Centered Text').center()
/// Click on ANY Widget
Container(
height: 100,
).onTap(() {
/// Handle Click
})
///expand any widget
Container(
height: 100,
).expand()
/// Check Email Validation
if(!emailController.text.validateEmail()) {
/// Handle Email not valid
}
/// Check Phone Number Validation
if(!phoneController.text.validatePhone()) {
/// Handle Phone Number not valid
}
/// AppBar widget
appBarWidget(
"Title",
showBack: true,
actions: [
IconButton(
icon: Icon(Icons.search),
onPressed: () {},
)
],
)
/// Handle error and loading widget when using FutureBuilder or StreamBuilder
/// "snap" is the snapShot value we get from FutureBuilder or StreamBuilder
snapWidgetHelper(snap)
/// Returns true is snapshot is loading
isSnapshotLoading(snap)
//SettingItem
SettingItemWidget(
title: "Title",
onTap: () {
//Your Logic
},
trailing: Icon(Icons.home_sharp),
leading: Icon(Icons.arrow_forward_ios_rounded),
subTitle: "Subtitle",
)
/// Default AppButton
///
AppButton(
text: "Submit",
color: Colors.red,
onTap: () {
yout logic
},
),
///Scroll Controller
ScrollController scrollController = ScrollController();
/// animate to top
scrollController.animToTop();
/// animate to Bottom
scrollController.animToBottom();
/// animate to specific position
scrollController.animateToPosition(20.0);
/// jump to the start of the list without animation
scrollController.jumpToTop();
/// jump to the end of the list without animation
scrollController.jumpToBottom();
/// Find type of the the string
/// Returns True/False
String typeString = "";
///returns if its type image
typeString.isImage;
///returns if its type Audio
typeString.isAudio;
///returns if its type Video
typeString.isVideo;
///returns if its type Txt
typeString.isTxt;
///returns if its type Doc
typeString.isDoc;
///returns if its type Excel
typeString.isExcel;
///returns if its type PPT
typeString.isPPT;
///returns if its type Apk
typeString.isApk;
///returns if its type Pdf
typeString.isPdf;
///returns if its type Html
typeString.isHtml;
/// Focusnode
requestFocus(NODE_VARIABLE);
nextFocus(NODE_VARIABLE);
/// return current time in milliseconds
int currentMillisecondTimeStamp = currentMillisecondsTimeStamp();
/// return current timestamp
int currentTimeStamps = currentTimeStamp();
/// return true if given year is an leap year
/// leapYear(year)
bool isLeapYear = leapYear(2000);
/// returns number of days in given month
/// daysInMonth(monthNum, year)
int dayInMonthTotal = daysInMonth(2, 2000);
/// Returns Time Ago
/// only on datetime object
/// justNow, 2 minutes ago, 1 hour ago, 1 day ago
String timeAgo = DateTime
.now()
.timeAgo;
/// types of decoration
Decoration decorationWithShadow = boxDecorationWithShadow();
Decoration decorationWithRoundedCorners = boxDecorationWithRoundedCorners();
/// boxDecorationRoundedWithShadow(RadiusAll)
Decoration decorationRoundedWithShadow = boxDecorationRoundedWithShadow(10);
/// default Box Shadow
defaultBoxShadow(spreadRadius: 0, blurRadius: 0, shadowColor: Colors.red);
/// Capitalize First Letter
'this is simple string'.capitalizeFirstLetter();
/// Toast a String
toast('This is a string');
/// Toast a String for a long duration
toastLong('This is a string');
/// Prints only if in debug or profile mode - (parameter is Object)
log('Your string');
/// Change status bar Color and Brightness
setStatusBarColor(Colors.blue);
/// Show Status Bar
showStatusBar();
/// Hide Status Bar
hideStatusBar();
/// Set orientation to portrait
setOrientationPortrait();
/// Set orientation to landscape
setOrientationLandscape();
/// Get current PlatformName as a String
platformName();
/// Invoke Native method and get result
invokeNativeMethod(CHANNEL_NAME, METHOD_NAME, [dynamic arguments]);
/// return screen width
context.width();
/// return screen height
context.height();
/// Theme color or value from context
context.primaryColor;
context.theme.text.subtitle.color;