extensions_pro 1.0.28

Extensions Pro simplifies your development process, making it faster and more efficient.

Extensions Pro

Supercharge your Flutter development with 60+ powerful, ready-to-use extensions.

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Extensions Pro eliminates boilerplate by adding expressive, chainable helpers directly onto Flutter's built-in types — String, int, DateTime, List, Widget, and BuildContext. Write less, ship faster.

Table of Contents

• Installation
• Extensions Overview
• Date Extensions
• Time Extensions
• Clock Extensions
• Image Network Extensions
• Local Image Extensions
• Validation Extensions
• Navigation Extensions
• Widget Extensions
• String Extensions
• Int Extensions
• SnackBar Extensions
• List Extensions
• Radio Button Extensions
• Distance Calculator
• Unit Conversion Extensions
• Status Bar Extensions
• Author
• Support

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Installation

Add to your pubspec.yaml:

dependencies:
  extensions_pro: ^1.0.28

Then import in your Dart file:

import 'package:extensions_pro/extensions_pro.dart';

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Extensions Overview

Category	Extension Type	Highlights
Date	DateTime	format, age, pickers, date math
Time	DateTime	formatted strings, morning/afternoon/evening
Clock	DateTime	digital clock strings
Image (Network)	ImageNetworkExtensionsPro	progress, rounded, cached, shadow
Image (Local)	ImageLocalExtensionsPro	progress, rounded, shadow, fitted box
Validation	String	email, phone, password, OTP, card, hex
Navigation	BuildContext	push, pop, replace, clear stack
Widget	Widget	padding, border, shadow, rounded, tap
String	String	capitalize, reverse, palindrome, camelCase
Int	int	roman, ordinal, words, file size, short
SnackBar	BuildContext	success, error, gradient, icon, persistent
List	List<T>	sort, find, chunk, dedup, toMap
Radio Button	Widget	custom radio button wrapper
Distance	num	Haversine geo distance (km)
Unit Conversion	num	15 categories, 60+ conversions
Status Bar	BuildContext	color, brightness, show/hide

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Date Extensions

// Date Picker
final date = await context.pickDate(
  dateFormatChange: 'yyyy-MM-dd',
  primaryColor: Colors.red,
  surfaceColor: Colors.white,
  headerTextColor: Colors.white,
);
// Output: "2024-11-06"

// Weekday from int (1 = Monday … 7 = Sunday)
3.toWeekDay();                    // "Wednesday"
3.toWeekDay(isHalfName: true);    // "Wed"

// Difference between two dates
final diff = DateTime(2024, 11, 19).differenceInDays(DateTime(2024, 11, 15));
diff.inDays;   // 4
diff.inHours;  // 96

// Format
DateTime.now().format('yyyy-MM-dd');   // "2024-11-25"
DateTime.now().format('dd MMM yyyy');  // "25 Nov 2024"

// Start / End of day
DateTime.now().startOfDay;  // 2024-11-25 00:00:00
DateTime.now().endOfDay;    // 2024-11-25 23:59:59

// Age
DateTime(1990, 11, 25).age;  // 34

// Relative checks
DateTime.now().isToday;      // true
DateTime.now().isYesterday;  // false
DateTime.now().isTomorrow;   // false

// Date arithmetic
DateTime.now().addDays(5);        // 5 days later
DateTime.now().subtractDays(10);  // 10 days earlier
DateTime.now().addMonths(3);      // 3 months later
DateTime.now().subtractYears(1);  // 1 year earlier

// Day name
DateTime.now().weekdayName;  // "Monday"

---

Time Extensions

// Formatted strings
DateTime.now().currentDateFormatted;  // "2024-11-25"
DateTime.now().currentTimeFormatted;  // "14:30"

// Time-of-day checks
DateTime.now().isMorning;    // true  (before 12 PM)
DateTime.now().isAfternoon;  // false (12 PM – 6 PM)
DateTime.now().isEvening;    // false (after 6 PM)

// Time Picker
final picked = await context.pickTime();
picked?.format(context);  // "11:08 PM"

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Clock Extensions

// Live digital clock — call inside a Timer.periodic(Duration(seconds: 1), ...)
DateTime.now().toDigitalTimeWithSeconds();  // "11:42:32"
DateTime.now().toDigitalTime();             // "11:42"

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Image Network Extensions

// With progress indicator
ImageNetworkExtensionsPro.networkImageWithProgress(
  url: 'https://picsum.photos/200',
  width: 100,
  height: 100,
  fit: BoxFit.cover,
);

// With rounded corners
ImageNetworkExtensionsPro.networkImageWithRoundedCorners(
  url: 'https://picsum.photos/200',
  width: 100,
  height: 100,
  borderRadius: 16.0,
);

// With placeholder widget
ImageNetworkExtensionsPro.networkImageWithPlaceholder(
  url: 'https://picsum.photos/200',
  width: 100,
  height: 100,
  placeholder: const Center(child: Text('Loading...')),
);

// Cached (uses cached_network_image)
ImageNetworkExtensionsPro.cachedNetworkImage(
  url: 'https://picsum.photos/200',
  width: 100,
  height: 100,
);

// With drop shadow
ImageNetworkExtensionsPro.networkImageWithShadow(
  url: 'https://picsum.photos/200',
  width: 100,
  height: 100,
  elevation: 10.0,
  shadowColor: Colors.black45,
);

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Local Image Extensions

// With progress indicator and error handling
ImageLocalExtensionsPro.assetImageWithProgress(
  'assets/logo.png',
  context: context,
  width: 150,
  height: 150,
);

// With rounded corners
ImageLocalExtensionsPro.assetImageWithRoundedCorners(
  'assets/logo.png',
  context: context,
  width: 150,
  height: 150,
  borderRadius: 16.0,
);

// With shadow
ImageLocalExtensionsPro.assetImageWithShadow(
  'assets/logo.png',
  context: context,
  width: 150,
  height: 150,
  elevation: 8.0,
  shadowColor: Colors.blueAccent,
);

// Scaled with FittedBox
ImageLocalExtensionsPro.assetImageWithFittedBox(
  'assets/logo.png',
  width: 150,
  height: 150,
);

---

Validation Extensions

// Email
'[e-mail]'.isValidEmail();    // true
'invalid-email'.isValidEmail();       // false

// Phone (E.164 format)
'[phone]'.isValidPhoneNumber();   // true

// Password (min 8 chars, upper + lower + digit)
'Flutter@123'.isStrongPassword();     // true
'weak'.isStrongPassword();            // false

// Password match
'Pass123'.isPasswordMatch('Pass123'); // true
'Pass123'.isPasswordMatch('pass123'); // false

// OTP (exactly 6 digits)
'123456'.isValidOTP();  // true
'12345a'.isValidOTP();  // false

// Credit card (Luhn algorithm — handles spaces/dashes)
'4532015112830366'.isValidCreditCardNumber();    // true
'4532 0151 1283 0366'.isValidCreditCardNumber(); // true

// Hex color
'#FF5733'.isValidHexColor();  // true
'ZZZ'.isValidHexColor();      // false

// Digits only (no decimals or signs)
'123456'.isDigitsOnly();  // true
'12.34'.isDigitsOnly();   // false

// Alphanumeric
'Abc123'.isAlphaNumeric();   // true
'Abc@123'.isAlphaNumeric();  // false

// Geo coordinates
'37.7749'.isValidLatitude();    // true
'100.0'.isValidLatitude();      // false  (out of range)
'-122.4194'.isValidLongitude(); // true
'200.0'.isValidLongitude();     // false

// URL
'https://flutter.dev'.isValidUrl();  // true
'not a url'.isValidUrl();            // false

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Navigation Extensions

// Push a new screen
context.push(const DetailScreen());

// Replace the current screen
context.pushReplacement(const HomeScreen());

// Pop back
context.pop();

// Pop with a result
context.pop('result');

// Clear the entire stack and push a new screen
context.pushAndRemoveUntil(const LoginScreen());

---

Widget Extensions

All extensions are chainable:

// Individual usage
Text('Hello').withPadding(const EdgeInsets.all(16));
Text('Hello').withMargin(const EdgeInsets.all(8));
Text('Hello').centered();
Text('Hello').withBorder(color: Colors.blue, width: 2.0);
Text('Hello').withShadow(blurRadius: 8.0, color: Colors.black26);
Text('Hello').withRoundedCorners(radius: 12.0);
Text('Hello').withVisibility(isLoggedIn);
Text('Hello').onTap(() => print('tapped'));

// Chained
Text('Hello World')
  .withPadding(const EdgeInsets.all(16))
  .withBorder(color: Colors.blue, width: 2.0)
  .withShadow(blurRadius: 8.0)
  .withRoundedCorners(radius: 12.0);

---

String Extensions

'flutter'.capitalize();                    // "Flutter"
'flutter'.reverse();                       // "rettulf"
'snake_case_string'.toCamelCase();         // "SnakeCaseString"
'Flutter is awesome'.removeWhitespace();   // "FlutterisAwesome"  — wait, removes spaces
'Flutter is amazing'.truncate(10);         // "Flutter is..."
'Order1234'.extractNumbers();              // "1234"
'madam'.isPalindrome();                    // true
'flutter'.isPalindrome();                  // false
'flutter is fun'.countOccurrences('u');    // 2
'123'.isNumeric();                         // true  (parses as double)
'abc'.isNumeric();                         // false

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Int Extensions

// Duration string
125.toDurationString;   // "2m 5s"

// Roman numerals (1–3999)
1990.toRoman;           // "MCMXC"
4.toRoman;              // "IV"

// Ordinal
1.toOrdinal();          // "1st"
22.toOrdinal();         // "22nd"
103.toOrdinal();        // "103rd"
11.toOrdinal();         // "11th"

// File size
1024.toFileSize();      // "1.00 KB"
1048576.toFileSize();   // "1.00 MB"
512.toFileSize();       // "512 B"

// Short format
12340.toShortString();    // "12.3K"
1200000.toShortString();  // "1.2M"

// Number to words (Indian system)
1234.toWords();           // "one thousand two hundred thirty four"
100000.toWords();         // "one lakh"
10000000.toWords();       // "one crore"

// Weekday name (1 = Monday, 7 = Sunday)
3.toWeekDay();                 // "Wednesday"
3.toWeekDay(isHalfName: true); // "Wed"

---

SnackBar Extensions

// Success (green)
context.showSuccessSnackBar('Saved successfully!');

// Error (red)
context.showErrorSnackBar('Something went wrong!');

// Custom color and duration
context.showCustomSnackBar(
  message: 'Custom message',
  backgroundColor: Colors.indigo,
  duration: const Duration(seconds: 4),
  action: SnackBarAction(label: 'UNDO', onPressed: () {}),
);

// With icon
context.showIconSnackBar(
  message: 'Data saved!',
  icon: Icons.check_circle,
  backgroundColor: Colors.green,
);

// Gradient (purple → blue)
context.showGradientSnackBar('Beautiful gradient!');

// Persistent (stays until dismissed)
context.showPersistentSnackBar(
  message: 'Tap DISMISS to close.',
  dismissColor: Colors.white,
);

---

List Extensions

final numbers = [1, 2, 3, 4, 5, 6, 6, 7, 8, 9];

numbers.firstOrDefault();         // 1
numbers.lastOrDefault();          // 9

numbers.addIfNotExists(10);       // adds 10 only if not present
numbers.removeDuplicates();       // [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]

numbers.safeSublist(2, 5);        // [3, 4, 5]  — no RangeError
numbers.find((x) => x > 5);      // 6

// Sort by property
final names = ['Zara', 'Anna', 'Mike'];
names.sortBy((n) => n);                        // ['Anna', 'Mike', 'Zara']
names.sortBy((n) => n, descending: true);      // ['Zara', 'Mike', 'Anna']

// Convert to map
numbers.toMap((x) => x.toString());
// {'1': 1, '2': 2, '3': 3, ...}

// Indexed iteration
numbers.forEachIndexed((index, item) {
  print('[$index] $item');
});

// Split into chunks
numbers.chunked(3);
// [[1, 2, 3], [4, 5, 6], [7, 8, 9], [10]]

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Radio Button Extensions

Attach a custom radio indicator to any widget:

String _selected = 'Option 1';

Column(
  children: ['Option 1', 'Option 2', 'Option 3'].map((option) =>
    Text(option)
      .radioButton<String>(
        value: option,
        groupValue: _selected,
        activeColor: Colors.green,
        inactiveColor: Colors.green.shade100,
        size: 22,
        onChanged: (val) => setState(() => _selected = val!),
      )
      .withPadding(const EdgeInsets.symmetric(vertical: 6)),
  ).toList(),
);

---

Distance Calculator

Uses the Haversine formula for accurate great-circle distance.

final distance = 0.calculateDistance(
  startLatitude: 28.7041,   // Delhi
  startLongitude: 77.1025,
  endLatitude: 19.0760,     // Mumbai
  endLongitude: 72.8777,
);

print('${distance.toStringAsFixed(2)} km');  // 1158.91 km

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Unit Conversion Extensions

All conversions are extension getters/methods on num (works with int and double).

// ── Length ────────────────────────────────────
5000.toKilometersPro;             // m → km
5000.toMilesPro;                  // m → mi
5000.toMetersFromFeetPro;         // ft → m
5000.toCentimetersFromInchesPro;  // in → cm
5000.toInchesFromCentimetersPro;  // cm → in

// ── Temperature ───────────────────────────────
25.toFahrenheitPro;  // °C → °F  → 77.0
77.toCelsiusPro;     // °F → °C  → 25.0

// ── Area ──────────────────────────────────────
10000.toAcresPro;          // m² → acres
10000.toSquareMetersPro;   // ft² → m²

// ── Weight ────────────────────────────────────
70.toPoundsPro;      // kg → lb
154.toKilogramsPro;  // lb → kg
28.toGramsPro;       // oz → g
100.toOuncesPro;     // g  → oz

// ── Speed ─────────────────────────────────────
100.toMilesPerHourPro;       // km/h → mph
62.toKilometersPerHourPro;   // mph  → km/h

// ── Time ──────────────────────────────────────
3600.toMinutesPro;  // s  → min  → 60.0
3600.toHoursPro;    // s  → hr   → 1.0
24.toDaysPro;       // hr → days → 1.0

// ── Volume ────────────────────────────────────
100.toGallonsPro;                    // L  → gal
10.toLitersPro;                      // gal → L
1.toCubicFeetPro;                    // m³ → ft³
35.toCubicMetersFromCubicFeetPro;    // ft³ → m³

// ── Digital Storage ───────────────────────────
2048.toGBPro;         // MB → GB
2.toMBPro;            // GB → MB
500.toKilobytesPro;   // MB → KB
512.toMegabytesPro;   // KB → MB

// ── Energy ────────────────────────────────────
1000.toCaloriesPro;  // J   → cal
239.toJoulesPro;     // cal → J

// ── Pressure ──────────────────────────────────
101325.toBarPro;    // Pa  → bar
1.toPascalPro;      // atm → Pa

// ── Angle ─────────────────────────────────────
90.toRadiansPro;     // deg → rad  → 1.5708
1.5708.toDegreesPro; // rad → deg  → 90.0

// ── Currency (indicative rates) ───────────────
100.toEURPro;  // USD → EUR
92.toUSDPro;   // EUR → USD

// ── Electricity ───────────────────────────────
1.5.toMillivoltsPro;          // V  → mV
1500.toVoltsFromMillivoltsPro; // mV → V

// ── Fuel Efficiency ───────────────────────────
25.toLPer100kmPro;  // MPG  → L/100km
9.41.toMPGPro;      // L/100km → MPG

// ── Power ─────────────────────────────────────
500.toKilowattsPro;   // W  → kW
0.5.toWattsPro;       // kW → W

// ── Data Rate ─────────────────────────────────
10.toKbpsPro;    // Mbps → Kbps
10000.toMbpsPro; // Kbps → Mbps

// ── Power Consumption ─────────────────────────
1000.toKilowattHoursPro;  // Wh → kWh
1.toWattHoursPro;         // kWh → Wh

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Status Bar Extensions

// Set color and icon brightness
context.setStatusBarColor(Colors.blue, darkIcons: false);

// Hide the status bar completely
context.hideStatusBar();

// Restore the status bar
context.showStatusBar();

// Set brightness
context.setStatusBarBrightness(Brightness.dark);

// Set icon color only
context.setStatusBarTextColor(true);   // dark icons
context.setStatusBarTextColor(false);  // light icons

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Author

Sanjay Sharma — Full-Stack & Cross-Platform Mobile Developer
Android · iOS · Swift · Flutter · Dart · Node.js

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License

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Support

If Extensions Pro saved you time, consider buying me a coffee — it keeps the extensions coming! ☕