builds again

app/src/main/java/com/geeksville/meshutil/SoftwareUpdateService.kt

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+package com.geeksville.meshutil
+
+import android.content.Context
+import android.content.Intent
+import android.os.Handler
+import android.os.SystemClock
+import android.util.Log
+import android.widget.Toast
+import androidx.core.app.JobIntentService
+
+
+/**
+ * Example implementation of a JobIntentService.
+ */
+class SimpleJobIntentService : JobIntentService() {
+    override fun onHandleWork(intent: Intent) { // We have received work to do.  The system or framework is already
+// holding a wake lock for us at this point, so we can just go.
+        Log.i("SimpleJobIntentService", "Executing work: $intent")
+        var label = intent.getStringExtra("label")
+        if (label == null) {
+            label = intent.toString()
+        }
+        toast("Executing: $label")
+        for (i in 0..4) {
+            Log.i(
+                "SimpleJobIntentService", "Running service " + (i + 1)
+                        + "/5 @ " + SystemClock.elapsedRealtime()
+            )
+            try {
+                Thread.sleep(1000)
+            } catch (e: InterruptedException) {
+            }
+        }
+        Log.i(
+            "SimpleJobIntentService",
+            "Completed service @ " + SystemClock.elapsedRealtime()
+        )
+    }
+
+    override fun onDestroy() {
+        super.onDestroy()
+        toast("All work complete")
+    }
+
+    val mHandler = Handler()
+    // Helper for showing tests
+    fun toast(text: CharSequence?) {
+        mHandler.post {
+            Toast.makeText(this@SimpleJobIntentService, text, Toast.LENGTH_SHORT).show()
+        }
+    }
+
+    companion object {
+        /**
+         * Unique job ID for this service.  Must be the same for all work.
+         */
+        const val JOB_ID = 1000
+
+        /**
+         * Convenience method for enqueuing work in to this service.
+         */
+        fun enqueueWork(context: Context, work: Intent) {
+            enqueueWork(
+                context,
+                SimpleJobIntentService::class.java, JOB_ID, work
+            )
+        }
+    }
+}