通过滑块改变图片透明度

[{"title":"（ 26 个子文件 198KB ） 通过滑块改变图片透明度","children":[{"title":"UISliderTest","children":[{"title":"UISliderTest.xcodeproj","children":[{"title":"project.xcworkspace","children":[{"title":"contents.xcworkspacedata <span style='color:#111;'> 157B </span>","children":null,"spread":false},{"title":"xcuserdata","children":[{"title":"Halbert.xcuserdatad","children":[{"title":"UserInterfaceState.xcuserstate <span style='color:#111;'> 12.35KB </span>","children":null,"spread":false}],"spread":true},{"title":"yeeku.xcuserdatad","children":[{"title":"UserInterfaceState.xcuserstate <span style='color:#111;'> 25.61KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}],"spread":true},{"title":"project.pbxproj <span style='color:#111;'> 14.84KB </span>","children":null,"spread":false},{"title":"xcuserdata","children":[{"title":"Halbert.xcuserdatad","children":[{"title":"xcschemes","children":[{"title":"UISliderTest.xcscheme <span style='color:#111;'> 3.28KB </span>","children":null,"spread":false},{"title":"xcschememanagement.plist <span style='color:#111;'> 484B </span>","children":null,"spread":false}],"spread":true}],"spread":true},{"title":"yeeku.xcuserdatad","children":[{"title":"xcschemes","children":[{"title":"UISliderTest.xcscheme <span style='color:#111;'> 3.12KB </span>","children":null,"spread":false},{"title":"xcschememanagement.plist <span style='color:#111;'> 484B </span>","children":null,"spread":false}],"spread":true}],"spread":true}],"spread":true}],"spread":true},{"title":"UISliderTest","children":[{"title":"UISliderTest-Prefix.pch <span style='color:#111;'> 321B </span>","children":null,"spread":false},{"title":"Base.lproj","children":[{"title":"Main.storyboard <span style='color:#111;'> 3.23KB </span>","children":null,"spread":false}],"spread":true},{"title":"en.lproj","children":[{"title":"InfoPlist.strings <span style='color:#111;'> 45B </span>","children":null,"spread":false}],"spread":true},{"title":"FKAppDelegate.h <span style='color:#111;'> 374B </span>","children":null,"spread":false},{"title":"main.m <span style='color:#111;'> 333B </span>","children":null,"spread":false},{"title":"FKViewController.m <span style='color:#111;'> 1.31KB </span>","children":null,"spread":false},{"title":"Images.xcassets","children":[{"title":"LaunchImage.launchimage","children":[{"title":"Contents.json <span style='color:#111;'> 689B </span>","children":null,"spread":false}],"spread":true},{"title":"AppIcon.appiconset","children":[{"title":"Contents.json <span style='color:#111;'> 585B </span>","children":null,"spread":false}],"spread":true}],"spread":true},{"title":"UISliderTest-Info.plist <span style='color:#111;'> 1.27KB </span>","children":null,"spread":false},{"title":"FKAppDelegate.m <span style='color:#111;'> 1.91KB </span>","children":null,"spread":false},{"title":"images","children":[{"title":"no.gif <span style='color:#111;'> 906B </span>","children":null,"spread":false},{"title":"ic_launcher.png <span style='color:#111;'> 2.31KB </span>","children":null,"spread":false},{"title":"ok.gif <span style='color:#111;'> 888B </span>","children":null,"spread":false},{"title":"heart.gif <span style='color:#111;'> 898B </span>","children":null,"spread":false},{"title":"grow.gif <span style='color:#111;'> 225B </span>","children":null,"spread":false},{"title":"lijiang.jpg <span style='color:#111;'> 138.67KB </span>","children":null,"spread":false}],"spread":true},{"title":"FKViewController.h <span style='color:#111;'> 373B </span>","children":null,"spread":false}],"spread":false},{"title":".DS_Store <span style='color:#111;'> 6.00KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]