参考文章:
Improving Your Code with lint
lint
使用 lint 增强你的代码
Android Lint简介
gradle lint
gradle中有lint任务,可以直接履行lint静态代码检查,但是条件是你的build.gradle设置了lintOptions选项:
android {
compileSdkVersion 23 buildToolsVersion "21.1.2" lintOptions {
abortOnError false }
然后我们在项目的根目录下履行gradle lint:
localhost:Sunshine-Version⑵ wuxian$ gradle lint :app:preBuild UP-TO-DATE :app:preDebugBuild UP-TO-DATE :app:checkDebugManifest :app:preReleaseBuild UP-TO-DATE :app:prepareComAndroidSupportAppcompatV72102Library UP-TO-DATE :app:prepareComAndroidSupportSupportV42102Library UP-TO-DATE :app:prepareDebugDependencies :app:compileDebugAidl UP-TO-DATE :app:compileDebugRenderscript UP-TO-DATE :app:generateDebugBuildConfig UP-TO-DATE :app:generateDebugAssets UP-TO-DATE :app:mergeDebugAssets UP-TO-DATE :app:generateDebugResValues UP-TO-DATE :app:generateDebugResources UP-TO-DATE :app:mergeDebugResources UP-TO-DATE :app:processDebugManifest UP-TO-DATE :app:processDebugResources UP-TO-DATE :app:generateDebugSources UP-TO-DATE :app:processDebugJavaRes UP-TO-DATE :app:compileDebugJavaWithJavac UP-TO-DATE :app:compileLint :app:checkReleaseManifest :app:prepareReleaseDependencies :app:compileReleaseAidl UP-TO-DATE :app:compileReleaseRenderscript UP-TO-DATE :app:generateReleaseBuildConfig UP-TO-DATE :app:generateReleaseAssets UP-TO-DATE :app:mergeReleaseAssets UP-TO-DATE :app:generateReleaseResValues UP-TO-DATE :app:generateReleaseResources UP-TO-DATE :app:mergeReleaseResources UP-TO-DATE :app:processReleaseManifest UP-TO-DATE :app:processReleaseResources UP-TO-DATE :app:generateReleaseSources UP-TO-DATE :app:processReleaseJavaRes UP-TO-DATE :app:compileReleaseJavaWithJavac UP-TO-DATE :app:lint Ran lint on variant release: 58 issues found
Ran lint on variant debug: 58 issues found
Wrote HTML report to file:/Users/wuxian/Documents/sourcecode/self/Sunshine-Version⑵/app/build/outputs/lint-results.html
Wrote XML report to /Users/wuxian/Documents/sourcecode/self/Sunshine-Version⑵/app/build/outputs/lint-results.xml
BUILD SUCCESSFUL
Total time: 17.941 secs
This build could be faster, please consider using the Gradle Daemon: http://gradle.org/docs/2.4/userguide/gradle_daemon.html
在build/outputs/目录下会生成1个lint-result.html文件,打开1看以下:
报告做的太次了
更多参数
lintOptions {
// set to true to turn off analysis progress reporting by lint
quiet true // if true, stop the gradle build if errors are found abortOnError false // if true, only report errors
ignoreWarnings true // if true, emit full/absolute paths to files with errors (true by default)
//absolutePaths true // if true, check all issues, including those that are off by default checkAllWarnings true // if true, treat all warnings as errors
warningsAsErrors true // turn off checking the given issue ids
disable TypographyFractions,TypographyQuotes
// turn on the given issue ids
enable RtlHardcoded,RtlCompat, RtlEnabled // check *only* the given issue ids
check NewApi, InlinedApi
// if true, dont include source code lines in the error output noLines true // if true, show all locations for an error, do not truncate lists, etc.
showAll true // Fallback lint configuration (default severities, etc.)
lintConfig file("default-lint.xml")
// if true, generate a text report of issues (false by default)
textReport true // location to write the output; can be a file or stdout
textOutput stdout
// if true, generate an XML report for use by for example Jenkins
xmlReport false
// file to write report to (if not specified, defaults to lint-results.xml)
xmlOutput file("lint-report.xml")
// if true, generate an HTML report (with issue explanations, sourcecode, etc)
htmlReport true
// optional path to report (default will be lint-results.html in the builddir)
htmlOutput file("lint-report.html")
// set to true to have all release builds run lint on issues with severity=fatal
// and abort the build (controlled by abortOnError above) if fatal issues are found checkReleaseBuilds true // Set the severity of the given issues to fatal (which means they will be
// checked during release builds (even if the lint target is not included)
fatal NewApi, InlineApi // Set the severity of the given issues to error
error Wakelock, TextViewEdits // Set the severity of the given issues to warning
warning ResourceAsColor // Set the severity of the given issues to ignore (same as disabling the check)
ignore TypographyQuotes }
总结
这类方式合适自动化CI系统中收集结果。
手动分析
选在分析代码后,弹出对话框,你可以选择分析全部项目/单个模块/文件bulabula:
点击OK后,等待1段时间后分析终了,会自动弹出结果窗口
会根据检查类型不同分不同菜单,点击相应菜单进入不同的问题点:
点击问题点后右侧会出现该问题的详细信息,文件名,文件位置,出现问题的点在文件中的位置和问题描写,还会告知你疏忽这个问题的解决方法,有可能还会显示解决方法。
总结
这个方法合适开发自查!
lint命令行
lint工具位于sdk目录下的tools下,如果在命令行履行lint找不到该命令,那末需要将lint的根目录配置到环境变量中,配置成功后,履行lint命令输出以下:
58deMacBook-Pro-5:tools wuxian$ lint
Usage: lint [flags]Flags: ids.
Enabled Checks: ids. The list should be a comma-separated list of issue ids or categories. the default issues plus the specifically enabled
issues. The list should be a comma-separated list of issue ids or categories. disable everything and re-enable the given list of issues. The list should be a comma-separated list of issue ids or categories.
-w, -Wall Check all warnings, including those off by default -Werror Treat all warnings as errors issues are enabled or disabled. If a project contains
a lint.xml file, then this config file will be used
as a fallback.
Output Options: locations, etc. the output. By default, the error output includes
snippets of source code on the line containing the
error, but this flag turns it off. directory (or a new filename without an extension),
lint will create a separate report for each scanned
project. prefixes with url prefix. The mapping can be a
comma-separated list of path prefixes to corresponding URL prefixes, such as
C: empProj1=http://buildserver/sources/temp/Proj1. To turn off linking to files, use Project Options: directory for the project. Only valid when running
lint on a single project. for the project. Only valid when running lint on a
single project. class directory for the project. Only valid when running lint on a single project. class library for the project. Only valid when running lint on a single project. Exit Status: 0 Success. 1 Lint errors detected. 2 Lint usage. 3 Cannot clobber existing file. 4 Lint help. 5 Invalid command-line argument.
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