Modernization of modular approach

lib_utils/src/androidTest/java/no/nordicsemi/android/utils/ExampleInstrumentedTest.kt

@@ -0,0 +1,24 @@
+package no.nordicsemi.android.utils
+
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.ext.junit.runners.AndroidJUnit4
+
+import org.junit.Test
+import org.junit.runner.RunWith
+
+import org.junit.Assert.*
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+@RunWith(AndroidJUnit4::class)
+class ExampleInstrumentedTest {
+    @Test
+    fun useAppContext() {
+        // Context of the app under test.
+        val appContext = InstrumentationRegistry.getInstrumentation().targetContext
+        assertEquals("no.nordicsemi.android.utils.test", appContext.packageName)
+    }
+}

lib_utils/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="no.nordicsemi.android.utils">
+
+</manifest>

lib_utils/src/main/java/no/nordicsemi/android/utils/Ext.kt

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+package no.nordicsemi.android.utils
+
+import android.app.ActivityManager
+import android.content.Context
+
+val <T> T.exhaustive
+    get() = this
+
+val String.Companion.EMPTY
+    get() = ""
+
+fun Context.isServiceRunning(serviceClassName: String): Boolean {
+    val activityManager = getSystemService(Context.ACTIVITY_SERVICE) as ActivityManager
+    val services = activityManager.getRunningServices(Integer.MAX_VALUE)
+    return services.find { it.service.className == serviceClassName } != null
+}

lib_utils/src/test/java/no/nordicsemi/android/utils/ExampleUnitTest.kt

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+package no.nordicsemi.android.utils
+
+import org.junit.Test
+
+import org.junit.Assert.*
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+class ExampleUnitTest {
+    @Test
+    fun addition_isCorrect() {
+        assertEquals(4, 2 + 2)
+    }
+}