基于flutterflow-ui v0.3.1版本 去除google ad 与google map

lib/src/utils/random_data.dart

@@ -0,0 +1,51 @@
+import 'dart:math';
+
+import 'package:flutter/material.dart';
+
+final _random = Random();
+
+int randomInteger(int min, int max) {
+  return _random.nextInt(max - min + 1) + min;
+}
+
+double randomDouble(double min, double max) {
+  return _random.nextDouble() * (max - min) + min;
+}
+
+String randomString(
+  int minLength,
+  int maxLength,
+  bool lowercaseAz,
+  bool uppercaseAz,
+  bool digits,
+) {
+  var chars = '';
+  if (lowercaseAz) {
+    chars += 'abcdefghijklmnopqrstuvwxyz';
+  }
+  if (uppercaseAz) {
+    chars += 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
+  }
+  if (digits) {
+    chars += '0123456789';
+  }
+  return List.generate(randomInteger(minLength, maxLength),
+      (index) => chars[_random.nextInt(chars.length)]).join();
+}
+
+// Random date between 1970 and 2025.
+DateTime randomDate() {
+  // Random max must be in range 0 < max <= 2^32.
+  // So we have to generate the time in seconds and then convert to milliseconds.
+  return DateTime.fromMillisecondsSinceEpoch(
+      randomInteger(0, 1735689600) * 1000);
+}
+
+String randomImageUrl(int width, int height) {
+  return 'https://picsum.photos/seed/${_random.nextInt(1000)}/$width/$height';
+}
+
+Color randomColor() {
+  return Color.fromARGB(
+      255, _random.nextInt(255), _random.nextInt(255), _random.nextInt(255));
+}