V1.2 新构架

2026-10-26 03:59:34 +08:00 · 2021-02-20 16:45:44 +08:00
parent c2d95a1833
commit 4d76decf73
343 changed files with 41333 additions and 4 deletions
@@ -0,0 +1,138 @@
+using Android.Graphics;
+using Android.Text;
+using Android.Text.Method;
+using Android.Views;
+using Android.Widget;
+using AndroidX.Annotations;
+using AndroidX.Emoji.Text;
+using System;
+using System.Common;
+using System.Linq;
+using Color = Android.Graphics.Color;
+
+// ReSharper disable once CheckNamespace
+namespace System
+{
+    /// <summary>
+    /// 对 <see cref="TextView"/> 类的扩展函数集
+    /// </summary>
+    public static class TextViewExtensions
+    {
+        /// <summary>
+        /// 设置 <see cref="TextView.Hint"/>，字符串中可能有 emoji 字符
+        /// <para>https://developer.android.google.cn/reference/android/widget/TextView#setHint(java.lang.CharSequence)</para>
+        /// </summary>
+        /// <param name="maybeEmojiStr">可能有 emoji 字符的字符串</param>
+        public static void SetHintByMaybeEmoji(this TextView textView, string maybeEmojiStr)
+        {
+            // https://developer.android.google.cn/guide/topics/ui/look-and-feel/emoji-compat#using-emojicompat-without-widgets
+            var processed = EmojiCompat.Get().ProcessFormatted(maybeEmojiStr.ToJavaString());
+            textView.HintFormatted = processed;
+        }
+
+        /// <summary>
+        /// Sets the text color for all the states (normal, selected, focused) to be this color.
+        /// <para>https://developer.android.google.cn/reference/android/widget/TextView#setTextColor(int)</para>
+        /// </summary>
+        /// <param name="textView"></param>
+        /// <param name="color">A color value in the form 0xAARRGGBB. Do not pass a resource ID. To get a color value from a resource ID, call <see cref="ContextExtensions.GetColorCompat(Android.Content.Context, int)"/>.</param>
+        public static void SetTextColor(this TextView textView, [ColorInt] int color)
+        {
+            var color_ = new Color(color);
+            textView.SetTextColor(color_);
+        }
+
+        /// <summary>
+        /// 添加或替换一组 <see cref="IInputFilter"/>
+        /// </summary>
+        /// <param name="textView"></param>
+        /// <param name="filters"></param>
+        public static void AddFilters(this TextView textView, params IInputFilter[] filters)
+        {
+            var items = textView.GetFilters();
+            if (items != null && items.Any())
+            {
+                // 根据Type去重添加
+                var types = filters.Where(x => x != null).Select(x => x.GetType()).Distinct();
+                filters = items.Where(x => x != null && !types.Contains(x.GetType())).Concat(filters).ToArray();
+            }
+            textView.SetFilters(filters);
+        }
+
+        /// <summary>
+        /// 给 <see cref="TextView.MovementMethod"/> 设置 <see cref="LinkMovementMethod.Instance"/>
+        /// <para>功能用途：文字的超链接</para>
+        /// </summary>
+        /// <param name="textView"></param>
+        public static void SetLinkMovementMethod(this TextView textView)
+        {
+            textView.MovementMethod = LinkMovementMethod.Instance;
+        }
+
+        /// <summary>
+        /// 设置粗体
+        /// </summary>
+        /// <param name="textView"></param>
+        /// <param name="isBold">是否粗体</param>
+        /// <param name="isBoldOnly">是否全部文字使用粗体</param>
+        /// <returns></returns>
+        public static void SetBold(this TextView textView, bool isBold = true, bool isBoldOnly = true)
+        {
+            var paint = textView.Paint;
+            if (paint != null)
+            {
+                paint.FakeBoldText = isBold;
+                if (isBoldOnly)
+                {
+                    if (isBold)
+                    {
+                        textView.SetTypeface(textView.Typeface, TypefaceStyle.Bold);
+                    }
+                    else
+                    {
+                        textView.SetTypeface(textView.Typeface, TypefaceStyle.Normal);
+                    }
+                }
+            }
+        }
+
+        /// <inheritdoc cref="SetText(TextView, string?, string, bool)"/>
+        public static void SetText(this TextView textView, string? value, bool showVisibility = true)
+        {
+            var isNullOrEmpty = string.IsNullOrEmpty(value);
+            textView.Text = value ?? string.Empty;
+            if (!isNullOrEmpty)
+            {
+                if (showVisibility)
+                {
+                    if (textView.Visibility != ViewStates.Visible)
+                    {
+                        textView.Visibility = ViewStates.Visible;
+                    }
+                }
+            }
+        }
+
+        /// <summary>
+        /// 设置文本
+        /// </summary>
+        /// <param name="textView"></param>
+        /// <param name="value">要设置的字符串</param>
+        /// <param name="value2">如果要设置的字符串<see cref="string.IsNullOrEmpty(string)"/>则使用此值</param>
+        /// <param name="showVisibility">如果为<see langword="true"/>，则当设置的字符串不为<see langword="null"/>或<see cref="string.Empty"/>时，使<see cref="View.Visibility"/>=<see cref="ViewStates.Visible"/></param>
+        public static void SetText(this TextView textView, string? value, string value2, bool showVisibility = true)
+        {
+            value = string.IsNullOrEmpty(value) ? value2 : value;
+            SetText(textView, value, showVisibility);
+        }
+
+        /// <summary>
+        /// 设置输入框的类型(手机号码)
+        /// </summary>
+        /// <param name="textView"></param>
+        public static void SetPhoneNumberType(this TextView textView)
+        {
+            textView.KeyListener = DigitsKeyListener.GetInstance(accepted: Constants.Digits);
+        }
+    }
+}