celltron-node / app / src / main / java / net / celltron / node / MainActivity.kt

package net.celltron.node

import android.app.Activity
import android.content.Intent
import android.os.Build
import android.os.Bundle
import android.os.Handler
import android.os.Looper
import android.widget.TextView

/**
 * Minimal launcher: starts the foreground node service and polls its last log
 * line so you can watch first-run extraction + sidecar boot on-device. The real
 * GUI (WebView over pgh) replaces this in a later step.
 */
class MainActivity : Activity() {

    private lateinit var tv: TextView
    private val handler = Handler(Looper.getMainLooper())

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        tv = TextView(this).apply {
            textSize = 14f
            setPadding(48, 96, 48, 48)
        }
        setContentView(tv)

        val i = Intent(this, PghNodeService::class.java)
        if (Build.VERSION.SDK_INT >= 26) startForegroundService(i) else startService(i)

        poll()
    }

    private fun poll() {
        tv.text = "celltron node\n\n" +
            "Runtime host: proot + glibc rootfs (extracted on first launch)\n" +
            "Service: pgh-sidecar on @pgh-node\n\n" +
            "Last log:\n${PghNodeService.lastLogSnapshot}"
        handler.postDelayed({ poll() }, 1000)
    }

    override fun onDestroy() {
        handler.removeCallbacksAndMessages(null)
        super.onDestroy()
    }
}