Flutter - change PRODUCT_BUNDLE_IDENTIFIER in 2020

20200920  

1.app / build.gradle defaultConfig 

defaultConfig {
    applicationId "co.yourName.appName"

2.app/src/main/AndroidManifest.xml 

3.app/src/debug/AndroidManifest.xml  

4.app/src/profile/AndroidManifest.xml  

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="co.yourName.appName">

5. app/main/kotlin/co/yourName/ newName 

6.app/main/kotlin/co/yourName/ newName/ MainActivity.java 

package co.yourName.appName;

7.pubspec.yaml

name: appName

8. lib all dart file  change appName
9.Runner.xcodeproj / project.pbxproj    (there are 3 PRODUCT_BUNDLE_IDENTIFIER) must be changed.)

PRODUCT_BUNDLE_IDENTIFIER = co.yourName.appName;

10. terminal flutter clean

11. File >Invalidate Caches/Restart...

👍done