Launch game from android app, or Compose Multiplatform app in the feature, is possible ?

[neronguyenvn]

I want to start a basic sample from my android app now. Can the setup work inside android app and can you give me a reference to the basic sample to let me know that ability. Thank so much guy. I'm just a fresher android developer and Kotlin lover.

[LeHaine]

Heya! It definitely can work in Android app. Check out the game template repo which is set up to use Android.

You create a new repo based on that template and run it as an Android app and you should see some text and a spinning shape.

Let me know if that helps!

[neronguyenvn]

so I just need to implementation dependencies in my android app and I can start the Game Activity like in the sample using Intent right ?

[LeHaine]

Correct. The dependencies and however you want to start the activity in your app should launch it.

[neronguyenvn]

you mean launch mode, right?
I setup the activity in manifest as the same as the sample:

        <activity
            android:name=".game.GameActivity"
            android:configChanges="orientation|screenSize|screenLayout|keyboardHidden"
            android:launchMode="singleInstance"
            android:windowSoftInputMode="adjustResize">
        </activity>

and then navigate like this inside composable:

           Button(
                    onClick = {
                        context.startActivity(Intent(context, GameActivity::class.java))
                    },

but after some navigating and back and navigating again, app crash like:

FATAL EXCEPTION: GLThread 3575
Process: com.example.flashcardandquizandgamedemo, PID: 22032
kotlin.UninitializedPropertyAccessException: lateinit property defaultFont has not been initialized
	at com.lehaine.littlekt.graphics.internal.InternalResources.getDefaultFont(InternalResources.kt:41)
	at com.lehaine.littlekt.graphics.Fonts.getDefault(resources.kt:41)
	at com.example.flashcardandquizandgamedemo.game.common.Game$start$3.invoke-LRDsOJo(Game.kt:37)
	at com.example.flashcardandquizandgamedemo.game.common.Game$start$3.invoke(Game.kt:32)
	at com.lehaine.littlekt.AndroidContext.update-LRDsOJo(AndroidContext.kt:152)
	at com.lehaine.littlekt.AndroidContext.access$update-LRDsOJo(AndroidContext.kt:31)
	at com.lehaine.littlekt.AndroidContext$start$3.invoke(AndroidContext.kt:131)
	at com.lehaine.littlekt.AndroidContext$start$3.invoke(AndroidContext.kt:127)
	at com.lehaine.littlekt.AndroidGraphics.onDrawFrame(AndroidGraphics.kt:61)
	at android.opengl.GLSurfaceView$GLThread.guardedRun(GLSurfaceView.java:1573)
	at android.opengl.GLSurfaceView$GLThread.run(GLSurfaceView.java:1272)

[neronguyenvn]

So sorry I know when I use 3rd party app usually crash and I couldn't that I am doing something wrong or not. But it really awesome, now I can launch a game inside my app.

[LeHaine]

Hmm interesting. When you navigate back does it kill the entire activity? You might have to call dispose if it doesn't already. This could also just be a bug in littlekt after it initializes the first time.