最近在折騰react-native，首先當(dāng)然是安裝環(huán)境，在輸入run-native run-android命令后出現(xiàn)大量錯(cuò)誤，最后聽(tīng)取季哥的建議，通過(guò)利用AndroidStudio的方式來(lái)運(yùn)行，在導(dǎo)入后運(yùn)行，一開(kāi)始是出現(xiàn)白色界面，什么都不顯示。
后來(lái)經(jīng)過(guò)對(duì)SDK版本的修改，相關(guān)gradle版本的更新，出現(xiàn)如圖，顯示本地服務(wù)器沒(méi)有連接，打開(kāi)
打開(kāi)localhost:8081，，果然本地服務(wù)器沒(méi)有連接，如果連接了（會(huì)顯示一大段js代碼）
然后通過(guò)
npm start 打開(kāi)本地服務(wù)器
然后通過(guò)Ctrl+ M，Reload，就可以看到運(yùn)行的結(jié)果了（另外要注意index.android.js文件中的類(lèi)名，文件名要一致，之前就因?yàn)檫@個(gè)沒(méi)注意，運(yùn)行錯(cuò)誤）
最終運(yùn)行成功，如圖：
PS C:\Users\wong\MyProject> react-native run-android
JS server already running.
Running C:\Users\wong\AppData\Local\Android\sdk;/platform-tools/adb -s emul
ator-5554 reverse tcp:8081 tcp:8081
Could not run adb reverse: spawnSync C:\Users\wong\AppData\Local\Android\sd
k;/platform-tools/adb ENOENT
Building and installing the app on the device (cd android && gradlew.bat install
Debug)...
FAILURE: Build failed with an exception.
* What went wrong:
A problem occurred configuring project ':app'.
> The SDK directory 'C:\Users\wong\AppData\Local\Android\sdk;' does not exi
st.
* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug
option to get more log output.
BUILD FAILED
Total time: 4.875 secs，
Could not install the app on the device, read the error above for details.
Make sure you have an Android emulator running or a device connected and have
set up your Android development environment:
https://facebook.github.io/react-native/docs/android-setup.html
，
