ozcanzaferayan/electrode-native-helloworld2.md

## electrode-native-helloworld2.md

      
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    Tutorial #2: How to add the second mini app to an outer android app

This post is the 2nd one in a series of posts on Electrode Native.
It assumes that one has already completed the steps in Tutorial #1 here - https://gist.github.com/hemanth-manoharan/edb363d575d5c9ab22cbc93b595b8fba

First, create a second mini-app and publish it to npm as we did in the previous tutorial.

Assuming that the 2nd app is named app2-miniapp

Now add the second mini app to the cauldron

ern cauldron add miniapps app2-miniapp@0.0.1

Now, create the composite container locally again using the cauldron metadata

ern create-container -d ErnOuterApp:android:0.0.1 -p android

Now, cd to ~/.ern/containergen/out/android folder as before and run the gradle build to create the .aar file.

./gradlew build


Now, copy over the updated lib-debug.aar to the libs folder of the ErnOuterApp android project


Then, add a new button to trigger the App2MiniappActivity and test out the app with both the buttons


Update app2 alone and re-publish


Now, try to publish a new version of app2 and rebuild the outer-app with the original app1 and updated app2.


First, make some change in app2-miniapp, update the version in package.json to 0.0.3 and re-publish the same to npm


Now, update the cauldron with the new version of app2.
Note: We are choosing not to update the native app version in this case but we are bumping up the container version.


ern cauldron update miniapps app2-miniapp@0.0.2 -d ErnOuterApp:android:0.0.1 -v 1.0.1

Now, create the container locally again using the cauldron metadata.

ern create-container -d ErnOuterApp:android:0.0.1 -p android


Now, srun the gradle build to create the updated .aar file.


Then, copy over the updated lib-debug.aar to the libs folder of the ErnOuterApp android project


Then, test out the app with both the buttons and check if app2 has the changes.


TODO There are a lot of crashes in the navigation across App1, App2 and the outer-app. Need to investigate the same.