react native run android code example

Example 1: run react native app on android device

#enable debug mode on yur device

$ adb devices
List of devices attached
emulator-5554 offline   # Google emulator
14ed2fcc device         # Physical device

$ npx react-native run-android
Try:
$ react-native run-android --deviceId=14ed2fcc

#use adb reverse
$ adb -s <device name> reverse tcp:8081 tcp:8081

NOTE:
You can also use the React Native CLI to generate and run a Release build
(e.g. npx react-native run-android --variant=release).

Example 2: how to run react native app

react-native run-android 
react-native run-ios

Example 3: run react native on android emulator command

npx react-native run-android

Example 4: react-native android build apk

cd android
./gradlew assembleRelease

Example 5: how to run react native app

// For iOS
	
   //Case 1: Run on Simulator
   npx react-native run-ios

  //Case 2: Choose Scheme
  npx react-native run-ios --scheme <Scheme Name>
   
  // Run on a different simulator, e.g. iPhone SE: 
  react-native run-ios --simulator "iPhone SE"

  // Pass a non-standard location of iOS directory: 
  react-native run-ios --project-path "./app/ios"

  // Run on a connected device, e.g. Max's iPhone: 
  react-native run-ios --device "Max's iPhone"

  
//For Android

//Case 1: Run on Simulator
npx react-native run-android


//Case 2: Choose varient
npx react-native run-android --varient <varient name>

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