1.配置info.plist文件

<key>CFBundleIcons</key>
    <dict>
        <key>CFBundlePrimaryIcon</key>
        <dict>
            <key>CFBundleIconFiles</key>
            <array>
                <string>AppIcon</string>
            </array>
        </dict>
        <key>CFBundleAlternateIcons</key>
        <dict>
            <key>blueIcon</key>
            <dict>
                <key>CFBundleIconFiles</key>
                <array>
                    <string>blueIcon</string>
                </array>
            </dict>
            <key>AppIcon</key>
            <dict>
                <key>CFBundleIconFiles</key>
                <array>
                    <string>AppIcon</string>
                </array>
                <key>UIPrerenderedIcon</key>
                <false/>
            </dict>
            <key>redIcon</key>
            <dict>
                <key>UIPrerenderedIcon</key>
                <false/>
                <key>CFBundleIconFiles</key>
                <array>
                    <string>redIcon</string>
                </array>
            </dict>
            <key>otherIcon</key>
            <dict>
                <key>UIPrerenderedIcon</key>
                <false/>
                <key>CFBundleIconFiles</key>
                <array>
                    <string>otherIcon</string>
                </array>
            </dict>
        </dict>
    </dict>

image.png

2 添加图片

image.png

3 代码实现

if ([[[UIDevice currentDevice] systemVersion] floatValue] >= 10.3)
    {
        if ([UIApplication sharedApplication].supportsAlternateIcons) {
          
            [[UIApplication sharedApplication] setAlternateIconName: completionHandler:^(NSError * _Nullable error) {
                
            }];
          
        }
        
    }

看效果

image.png