mac上React Native Android常见问题

Run

1. 首先用android studio打开，
2. 启动模拟
3. react-native run-android

FAQ

SDK location not found

SDK location not found. Define location with sdk.dir in the local.properties file or with an ANDROID_HOME environment variable.

解决方案：在react native项目中的android文件夹下新建local.properties，然后添加
sdk.dir =
例如：sdk.dir = /Users/luckytien/Library/Android/sdk

/bin/sh: adb: command not found

在zsh下面出现/bin/sh: adb: command not found

vim .zshrc

User configuration下面添加 source ~/.bash_profile

使zsh生效

source ~/.bash_profile

No connected devices

com.android.builder.testing.api.DeviceException: No connected devices!

解决方案：需要创建虚拟设备，在android studio的 "Your Virtual Devices"

No online devices found

com.android.builder.testing.api.DeviceException: No online devices found.
模拟器是启动后，但是关机状态

解决方案：点击最右边箭头中的 “cold boot now“

Cannot get property 'taskDependencies' on null object

Gradle sync failed: Cannot get property 'taskDependencies' on null object Consult IDE log for more details

需降低gradle版本，打开项目中 build.gradle

// classpath 'com.android.tools.build:gradle:3.0.1' 
classpath 'com.android.tools.build:gradle:2.3.3' 

Session 'app': Error Installing APK

Application Installation Failed

解决方案："file"->"preferences"->"Build,Execution,Deployment"->"Instant Run"取消第一项"Enable instant Run to hot swap code/resoure changes on deploy(default enabled)"