在iOS应用开发中,可以使用Reveal查看视图的层级以及修改视图的属性(虽然xcode自带的工具也可以查看,但是功能却没有Reveal强大),还可以使用越狱手机查看其它应用的结构等.

提供一个Reveal的下载地址:Reveal

模拟器调试

• 1.在XCode中选择View → Navigators → Show Breakpoint Navigator.
• 2.添加Symbolic Breakpoint
• 3.Symbol中填入UIApplicationMain
• 4.选择Add Action按钮
• 5.填入下列内容

expr (Class)NSClassFromString(@"IBARevealLoader") == nil ? (void *)dlopen("/Applications/Reveal.app/Contents/SharedSupport/iOS-Libraries/RevealServer.framework/RevealServer", 0x2) : ((void*)0)

• 6.勾选Automatically continue after evaluating actions

BreakPoint

• 7.右键选择断点,选择Move Breakpoint To→ User
• 8.在XCode中运行程序

#### 真机调试(未越狱)

• 1.查找RevealServer.framework所在位置,在Reveal中Help → Show Reveal Library in Finder

RevealServer.framework

• 2.将RevealServer.framework拷贝到项目的根目录中
• 3.使用XCode打开项目,选择要操作的TARGETS

image.png

• 4.选择Build Settings,在Framework Search Paths的Debug模式下设置:

$(inherited) $(SRCROOT)

Framework Search Paths

• 5.选择Build Settings,在Runpath Search Paths的Debug模式下设置:

$(inherited) @executable_path/Frameworks

• 6.选择Build Phases,添加Run Script

Run Script

• 7.在Run Script添加如下代码

export REVEAL_SERVER_FILENAME="RevealServer.framework"
# Update this path to point to the location of RevealServer.framework in your project.
export REVEAL_SERVER_PATH="${SRCROOT}/${REVEAL_SERVER_FILENAME}"
# If configuration is not Debug, skip this script.
[ "${CONFIGURATION}" != "Debug" ] && exit 0
# If RevealServer.framework exists at the specified path, run code signing script.
if [ -d "${REVEAL_SERVER_PATH}" ]; then
  "${REVEAL_SERVER_PATH}/Scripts/copy_and_codesign_revealserver.sh"
else
  echo "Cannot find RevealServer.framework, so Reveal Server will not be started for your app."
fi

• 8.在Debug模式下运行项目
  
  Reveal.png