上传工程我们总是会忘记添加忽略文件，今天狗蛋就提供一个我们工程的忽略文件，方便大家以后代码中使用。
# Built application files
*.apk
*.ap_
# Files for the Dalvik VM
*.dex
# Java class files
*.class
# Generated files
bin/
gen/
out/
# Gradle files
.gradle/
build/
/*/build/
# Local configuration file (sdk path, etc)
local.properties
# Proguard folder generated by Eclipse
proguard/
# Log Files
*.log
# Android Studio Navigation editor temp files
.navigation/
# Android Studio captures folder
captures/
# Intellij
*.iml
*.iml
.gradle
/local.properties
/.idea/workspace.xml
/.idea/libraries
.DS_Store
/build
/captures
.externalNativeBuild
-dontoptimize
-dontpreverify
-dontwarn cn.jpush.**
-keep class cn.jpush.** { *; }
# External native build folder generated in Android Studio 2.2 and later
.externalNativeBuild
