# Change Application Package Name

To change the package name, follow the following steps

* In your **Project pane**, click on the little gear icon
* Uncheck the Compact Empty Middle Packages option

<figure><img src="/files/5j6iXmIB9Bducv2IxJmM" alt=""><figcaption></figcaption></figure>

* Your package directory will now be broken up into individual directories
* Individually select each directory you want to rename, and:
  * Right-click it
  * Select Refactor
  * Click on Rename
  * In the pop-up dialog, click on Rename Package instead of Rename Directory
  * Click **Do Refactor** in the bottom
  * Allow a minute to let Android Studio update all changes
  * Note: When renaming com in Android Studio, it might give a warning. In such case, select **>Rename All**

<figure><img src="/files/E2A0CePLqLetNr0GCVFV" alt=""><figcaption></figcaption></figure>

* Now open your Gradle Build File (build.gradle - Usually app or mobile). Update the applicationId in the defaultConfig to your new Package Name and Sync Gradle, if it hasn't already been updated automatically:
*

```
<figure><img src="/files/bCzo0V2x9zk4pRBfPeXM" alt=""><figcaption></figcaption></figure>
```

* You may need to change the package= attribute in your manifest file.
* Clean and Rebuild. Done.

<figure><img src="/files/FaEfvo2sXoC9GK298lYk" alt=""><figcaption></figcaption></figure>

{% hint style="info" %}
Important : your **applicationId or package name** must same with your package name that you’ve create on firebase console when you generate google-services.json
{% endhint %}


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