增加占位图

Veloria/Base/Extension/UIColor+VPAdd.swift

@@ -101,4 +101,8 @@ extension UIColor {
     static func colorB5B5B5(alpha: CGFloat = 1) -> UIColor {
         return UIColor(rgb: 0xB5B5B5, alpha: alpha)
     }
+    
+    static func colorC4C4C4(alpha: CGFloat = 1) -> UIColor {
+        return UIColor(rgb: 0xC4C4C4, alpha: alpha)
+    }
 }

Veloria/Base/View/VPImageView.swift

@@ -9,7 +9,14 @@ import UIKit
 
 class VPImageView: UIImageView {
 
-    var placeholderColor = UIColor.gray
+    var placeholderColor = UIColor.colorC4C4C4()
+    
+    private lazy var placeholderImageView: UIImageView = {
+        let imageView = UIImageView(image: UIImage(named: "placeholder_image_01"))
+        imageView.isHidden = true
+        imageView.contentMode = .scaleAspectFit
+        return imageView
+    }()
 
     override init(frame: CGRect) {
         super.init(frame: frame)
@@ -36,7 +43,10 @@ class VPImageView: UIImageView {
         self.layer.masksToBounds = true
         if image == nil {
             self.backgroundColor = self.placeholderColor
+            placeholderImageView.isHidden = false
         }
+        
+        addSubview(placeholderImageView)
     }
     
     override var image: UIImage? {
@@ -48,7 +58,20 @@ class VPImageView: UIImageView {
                     self.backgroundColor = nil
                 }
             }
+            
+            if image == nil {
+                placeholderImageView.isHidden = false
+            } else {
+                placeholderImageView.isHidden = true
+            }
         }
     }
 
+    
+    override func layoutSubviews() {
+        super.layoutSubviews()
+        
+        placeholderImageView.frame = .init(x: 0, y: 0, width: self.bounds.width * (2 / 3), height: self.bounds.height * (2 / 3))
+        placeholderImageView.center = .init(x: self.bounds.width / 2, y: self.bounds.height / 2)
+    }
 }

Veloria/Class/Home/Controller/VPSearchViewController.swift

@@ -47,8 +47,8 @@ class VPSearchViewController: VPViewController {
         vp_setupUI()
         vp_addAction()
         
-        let tap = UITapGestureRecognizer(target: self, action: #selector(handleScreen))
+//        let tap = UITapGestureRecognizer(target: self, action: #selector(handleScreen))
-        self.view.addGestureRecognizer(tap)
+//        self.view.addGestureRecognizer(tap)
         
     }
     

Veloria/Source/Assets.xcassets/image/placeholder_image_01.imageset/Contents.json

@@ -0,0 +1,22 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "filename" : "加载占位图-切图图标@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "filename" : "加载占位图-切图图标@3x.png",
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}