Database Inserted

app/build.gradle

@@ -1,14 +1,14 @@
 apply plugin: 'com.android.application'
 
 apply plugin: 'kotlin-android'
-
 apply plugin: 'kotlin-android-extensions'
+apply plugin: 'kotlin-kapt'
 
 android {
     compileSdkVersion 28
     defaultConfig {
         applicationId "co.zzyzx.sensorlogger"
-        minSdkVersion 23
+        minSdkVersion 26
         targetSdkVersion 28
         versionCode 1
         versionName "1.0"
@@ -30,9 +30,17 @@ dependencies {
     implementation 'com.github.kittinunf.fuel:fuel:2.1.0'
     implementation 'com.github.kittinunf.fuel:fuel-android:2.1.0'
     implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.3.0-M2'
-    implementation 'org.jetbrains.exposed:exposed:0.16.1'
+    // Room dependencies
+//    implementation 'androidx.room:room-runtime:2.0.0'
+//    kapt 'androidx.room:room-compiler:2.0.0'
+    implementation 'android.arch.persistence.room:runtime:1.1.1'
+    annotationProcessor 'android.arch.persistence.room:compiler:1.1.1'
+    kapt 'android.arch.persistence.room:compiler:1.1.1'
+//    implementation 'android.arch.lifecycle:extensions:1.1.1'
+//    kapt 'android.arch.lifecycle:compiler:1.1.1'
 
     testImplementation 'junit:junit:4.12'
     androidTestImplementation 'com.android.support.test:runner:1.0.2'
     androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+
 }

app/src/androidTest/java/co/zzyzx/sensorlogger/DatabaseTest.kt

@@ -0,0 +1,81 @@
+package co.zzyzx.sensorlogger
+
+
+import android.arch.persistence.room.Room
+import android.support.test.InstrumentationRegistry
+import android.support.test.runner.AndroidJUnit4
+import co.zzyzx.sensorlogger.db.AppDatabase
+import co.zzyzx.sensorlogger.db.Record
+import co.zzyzx.sensorlogger.db.RecordDao
+import org.junit.After
+import org.junit.Assert.assertEquals
+import org.junit.Before
+import org.junit.Test
+import org.junit.runner.RunWith
+import java.io.IOException
+import java.time.Instant
+
+@RunWith(AndroidJUnit4::class)
+class DatabaseTest {
+
+    private lateinit var recordDao: RecordDao
+    private lateinit var db: AppDatabase
+
+    @Before
+    fun createDb() {
+        val appContext = InstrumentationRegistry.getTargetContext()
+        db = Room.inMemoryDatabaseBuilder(appContext, AppDatabase::class.java)
+            .allowMainThreadQueries()
+            .build()
+        recordDao = db.recordDao()
+
+        val records = arrayListOf(
+            Record(
+                timestamp = Instant.now().epochSecond,
+                sensor = "gps",
+                data = "123,23232"
+            ),
+            Record(
+                timestamp = Instant.now().epochSecond,
+                sensor = "accelerometer",
+                data = "123,23232"
+            )
+        )
+        for (rec in records) {
+            recordDao.insertAll(rec)
+        }
+    }
+
+    @After
+    @Throws(IOException::class)
+    fun closeDb() {
+        db.close()
+    }
+
+    @Test
+    @Throws(Exception::class)
+    fun writeUserAndReadInList() {
+
+        val rec = Record(
+            timestamp = Instant.now().epochSecond,
+            sensor = "gps",
+            data = "333,32322"
+        )
+        recordDao.insertAll(rec)
+        val byName = recordDao.findBySensor("gps")
+        assertEquals(byName.data, rec.data)
+        assertEquals(byName.timestamp, rec.timestamp)
+    }
+
+    @Test
+    @Throws(Exception::class)
+    fun deleteRecord() {
+        val records = recordDao.getAll()
+        val total = records.size
+        // Delete one
+        recordDao.delete(records.get(0))
+        val totalAfterMinusOne = recordDao.getAll().size
+        assertEquals(total - 1, totalAfterMinusOne)
+    }
+
+}

app/src/main/java/co/zzyzx/sensorlogger/Database.kt

@@ -1,20 +0,0 @@
-package co.zzyzx.sensorlogger
-
-import org.jetbrains.exposed.dao.EntityID
-import org.jetbrains.exposed.dao.IntEntity
-import org.jetbrains.exposed.dao.IntEntityClass
-import org.jetbrains.exposed.dao.IntIdTable
-
-object Records : IntIdTable() {
-    val timestamp = datetime("timestamp")
-    val sensor = varchar("sensor", 20)
-    val data = text("data:")
-}
-
-class Record(id: EntityID<Int>) : IntEntity(id) {
-    companion object : IntEntityClass<Record>(Records)
-
-    var timestamp by Records.timestamp
-    var sensor by Records.sensor
-    var data by Records.data
-}

app/src/main/java/co/zzyzx/sensorlogger/EndlessService.kt

@@ -1,6 +1,5 @@
 package co.zzyzx.sensorlogger
 
-//import com.github.kittinunf.fuel.core.extensions.jsonBody
 import android.app.*
 import android.content.Context
 import android.content.Intent
@@ -19,6 +18,7 @@ import android.os.IBinder
 import android.os.PowerManager
 import android.provider.Settings
 import android.widget.Toast
+import co.zzyzx.sensorlogger.db.RecordRepository
 import com.github.kittinunf.fuel.Fuel
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.GlobalScope
@@ -29,32 +29,11 @@ import java.util.*
 
 
 fun Double.format(digits: Int) = java.lang.String.format("%.${digits}f", this)
+fun Float.format(digits: Int) = java.lang.String.format("%.${digits}f", this)
+const val SENSOR_DELAY = SensorManager.SENSOR_DELAY_GAME
 
 class EndlessService : Service(), SensorEventListener, LocationListener {
 
-    override fun onLocationChanged(result: Location) {
-        val txt =
-            "coords: ${result.longitude.format(4)}, ${result.latitude.format(4)} - ${result.time.toDouble().format(
-                0
-            )}"
-        log(txt)
-
-        val notification = createNotification(txt)
-        nm.notify(notificationId, notification)
-    }
-
-    override fun onStatusChanged(p0: String?, p1: Int, p2: Bundle?) {
-
-    }
-
-    override fun onProviderEnabled(p0: String?) {
-
-    }
-
-    override fun onProviderDisabled(p0: String?) {
-
-    }
-
     private var wakeLock: PowerManager.WakeLock? = null
     private var isServiceStarted = false
     private lateinit var nm: NotificationManager
@@ -63,7 +42,10 @@ class EndlessService : Service(), SensorEventListener, LocationListener {
 
     private lateinit var mSensorManager: SensorManager
     private lateinit var mAccelerometer: Sensor
-    private lateinit var mLocationManager: LocationManager
+    private lateinit var mGyroscope: Sensor
+
+    private var mLocationManager: LocationManager? = null // need to do this because of permission
+    private lateinit var recRepo: RecordRepository
 
     override fun onBind(intent: Intent): IBinder? {
         log("Some component want to bind with the service")
@@ -87,7 +69,8 @@ class EndlessService : Service(), SensorEventListener, LocationListener {
             )
         }
 
-        mSensorManager.registerListener(this, mAccelerometer, SensorManager.SENSOR_DELAY_NORMAL)
+        mSensorManager.registerListener(this, mAccelerometer, SENSOR_DELAY)
+        mSensorManager.registerListener(this, mGyroscope, SENSOR_DELAY)
 
         // by returning this we make sure the service is restarted if the system kills the service
         return START_STICKY
@@ -96,35 +79,40 @@ class EndlessService : Service(), SensorEventListener, LocationListener {
     override fun onCreate() {
         super.onCreate()
         log("The service has been created".toUpperCase())
+        // database init
+        recRepo = RecordRepository(applicationContext)
+
+        // notification init
         val notification = createNotification()
         notification.flags = Notification.FLAG_ONGOING_EVENT
         startForeground(notificationId, notification)
 
         mSensorManager = getSystemService(Context.SENSOR_SERVICE) as SensorManager
         mAccelerometer = mSensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER)
+        mGyroscope = mSensorManager.getDefaultSensor(Sensor.TYPE_GYROSCOPE)
 
         if (checkSelfPermission(android.Manifest.permission.ACCESS_FINE_LOCATION) == PackageManager.PERMISSION_GRANTED) {
             mLocationManager = getSystemService(Context.LOCATION_SERVICE) as LocationManager
-            mLocationManager.requestLocationUpdates(
+            mLocationManager?.requestLocationUpdates(
                 LocationManager.PASSIVE_PROVIDER,
                 2000, // 2-sec
                 2.toFloat(),  // 2-meter
                 this
             )
-            mLocationManager.requestLocationUpdates(
+            mLocationManager?.requestLocationUpdates(
                 LocationManager.GPS_PROVIDER,
                 2000, // 2-sec
                 2.toFloat(),  // 2-meter
                 this
             )
-            log("ok permission to get location updates")
+            // log("ok permission to get location updates")
         }
     }
 
     override fun onDestroy() {
         super.onDestroy()
         mSensorManager.unregisterListener(this)
-        mLocationManager.removeUpdates(this)
+        mLocationManager?.removeUpdates(this)
         log("The service has been destroyed".toUpperCase())
         Toast.makeText(this, "Service destroyed", Toast.LENGTH_SHORT).show()
     }
@@ -175,6 +163,39 @@ class EndlessService : Service(), SensorEventListener, LocationListener {
         nm.cancelAll()
     }
 
+
+    override fun onLocationChanged(result: Location) {
+        val notiText = "coords: ${result.longitude.format(4)}, ${result.latitude.format(4)}"
+        val txt = arrayOf(
+            result.time,
+            result.longitude.format(7),
+            result.latitude.format(7),
+            result.speed,
+            result.altitude,
+            result.bearing,
+            result.accuracy,
+            result.provider,
+            result.isFromMockProvider
+            ).joinToString(",")
+
+        recRepo.addNewRecord("location", txt)
+        val notification = createNotification(notiText)
+        nm.notify(notificationId, notification)
+    }
+
+    override fun onStatusChanged(p0: String?, p1: Int, p2: Bundle?) {
+
+    }
+
+    override fun onProviderEnabled(p0: String?) {
+
+    }
+
+    override fun onProviderDisabled(p0: String?) {
+
+    }
+
+
     override fun onAccuracyChanged(p0: Sensor?, p1: Int) {
 
     }
@@ -185,7 +206,6 @@ class EndlessService : Service(), SensorEventListener, LocationListener {
 
         when (evt.sensor?.type) {
             Sensor.TYPE_ACCELEROMETER -> {
-
                 val accelLin = arrayOf(0.toDouble(), 0.toDouble(), 0.toDouble())
                 val alpha = 0.8f
                 accelGravity[0] = alpha * accelGravity[0] + (1 - alpha) * evt.values[0]
@@ -194,13 +214,20 @@ class EndlessService : Service(), SensorEventListener, LocationListener {
                 accelLin[0] = evt.values[0] - accelGravity[0]
                 accelLin[1] = evt.values[1] - accelGravity[1]
                 accelLin[2] = evt.values[2] - accelGravity[2]
-
-                val txt =
-                    "[accel] (${accelLin[0].format(3)}, ${accelLin[1].format(3)}, ${accelLin[2].format(
-                        3
-                    )})"
-//                val notification = createNotification(txt)
-//                nm.notify(notificationId, notification)
+                val txt = arrayOf(
+                    accelLin[0].format(3),
+                    accelLin[1].format(3),
+                    accelLin[2].format(3)
+                ).joinToString(",")
+                recRepo.addNewRecord("accelerometer", txt)
+            }
+            Sensor.TYPE_GYROSCOPE -> {
+                val txt = arrayOf(
+                    evt.values[0].format(3),
+                    evt.values[1].format(3),
+                    evt.values[2].format(3)
+                ).joinToString(",")
+                recRepo.addNewRecord("gyroscope", txt)
             }
         }
     }

app/src/main/java/co/zzyzx/sensorlogger/MainActivity.kt

@@ -1,19 +1,20 @@
 package co.zzyzx.sensorlogger
 
+//import co.zzyzx.sensorlogger.db.RecordDatabase
 import android.Manifest
 import android.content.Context
 import android.content.Intent
 import android.content.pm.PackageManager
-import android.graphics.Color
 import android.location.LocationManager
 import android.os.Build
 import android.os.Bundle
+import android.os.Handler
 import android.support.v4.app.ActivityCompat
 import android.support.v4.content.ContextCompat
 import android.support.v7.app.AppCompatActivity
 import android.view.View
-import android.widget.Button
 import android.widget.Toast
+import co.zzyzx.sensorlogger.db.RecordRepository
 import kotlinx.android.synthetic.main.activity_main.*
 
 
@@ -22,9 +23,15 @@ const val PERMISSION_LOCATION = 0
 class MainActivity : AppCompatActivity(),
     ActivityCompat.OnRequestPermissionsResultCallback {
 
+    private lateinit var recRepo: RecordRepository
+    private var handler = Handler()
+    private val millisDelay = 200L
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_main)
+        // db init
+        recRepo = RecordRepository(applicationContext)
 
         requestForNecessaryPermissions()
         title = getString(R.string.app_name)
@@ -43,23 +50,56 @@ class MainActivity : AppCompatActivity(),
             }
         }
 
-        ask_location_permission_button.let{
-            it.setOnClickListener { requestForNecessaryPermissions() }
+        ask_location_permission_button.let {
+            it.setOnClickListener {
+                val perms = arrayOf(Manifest.permission.ACCESS_FINE_LOCATION)
+                ActivityCompat.requestPermissions(
+                    this, perms,
+                    PERMISSION_LOCATION
+                )
+            }
         }
 
+        updateCounter()
 
     }
 
-    private fun UIStatusUpdates(hasLocPerm : Boolean = true) {
+    private fun updateCounter() {
+        val runnable = Runnable { updateCounter() }
+
+        val sensors = arrayOf("location", "accelerometer", "gyroscope")
+        var text = mutableListOf<String>("Status", "-------------------------------")
+        for (sensor in sensors) {
+            val count = recRepo.getRecordCount(sensor)
+            text.add("$sensor --- $count records")
+        }
+        status_textview.text = text.joinToString(System.getProperty("line.separator"))
+
+        handler.postDelayed(runnable, millisDelay)
+    }
+
+    private fun UIStatusUpdates(hasLocPerm: Boolean = true) {
 
         val mLocationManager = getSystemService(Context.LOCATION_SERVICE) as LocationManager
-        log("isLocationEnabled? ${mLocationManager.isLocationEnabled} - ${mLocationManager.allProviders.toString()}")
+        log("isLocationEnabled? ${mLocationManager.isLocationEnabled} - ${mLocationManager.allProviders}")
         if (hasLocPerm && mLocationManager.isLocationEnabled) {
-            location_status_textview.text =  "OK"
-            location_status_textview.setBackgroundColor(ContextCompat.getColor(applicationContext, R.color.green))
+            location_status_textview.text = "OK"
+            location_status_textview.setBackgroundColor(
+                ContextCompat.getColor(
+                    applicationContext,
+                    R.color.green
+                )
+            )
+            ask_location_permission_button.visibility = View.INVISIBLE
         } else {
-            location_status_textview.text =  "OFF"
-            location_status_textview.setBackgroundColor(ContextCompat.getColor(applicationContext, R.color.red))
+            location_status_textview.text = "OFF"
+            location_status_textview.setBackgroundColor(
+                ContextCompat.getColor(
+                    applicationContext,
+                    R.color.red
+                )
+            )
+            ask_location_permission_button.visibility = View.VISIBLE
         }
     }
 
@@ -71,7 +111,6 @@ class MainActivity : AppCompatActivity(),
             )
             != PackageManager.PERMISSION_GRANTED
         ) {
-            ask_location_permission_button.visibility = View.INVISIBLE
             // Permission is not granted
             // Should we show an explanation?
             if (ActivityCompat.shouldShowRequestPermissionRationale(

app/src/main/java/co/zzyzx/sensorlogger/db/Database.kt

@@ -0,0 +1,43 @@
+package co.zzyzx.sensorlogger.db
+
+import android.arch.persistence.room.Database
+import android.arch.persistence.room.Room
+import android.arch.persistence.room.RoomDatabase
+import android.content.Context
+import co.zzyzx.sensorlogger.log
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.launch
+import java.time.Instant
+
+
+@Database(entities = arrayOf(Record::class), version = 1)
+abstract class AppDatabase : RoomDatabase() {
+    abstract fun recordDao(): RecordDao
+}
+
+
+class RecordRepository {
+    private var DB_NAME = "db_sensor_recs"
+    var db: AppDatabase
+    private var dao: RecordDao
+
+    constructor(context: Context) {
+        db = Room.databaseBuilder(context, AppDatabase::class.java, DB_NAME)
+            .allowMainThreadQueries()
+            .build()
+        dao = db.recordDao()
+    }
+
+    fun addNewRecord(sensor: String, data: String) {
+        val now = Instant.now().toEpochMilli()
+        GlobalScope.launch {
+            log("add [${now}] ${sensor} - ${data}")
+            dao.insertAll(Record(timestamp = now, sensor = sensor, data = data))
+        }
+    }
+
+    fun getRecordCount(sensor: String): Int {
+        return dao.getCount(sensor)
+    }
+
+}

app/src/main/java/co/zzyzx/sensorlogger/db/dao.kt

@@ -0,0 +1,29 @@
+package co.zzyzx.sensorlogger.db
+
+import android.arch.lifecycle.LiveData
+import android.arch.persistence.room.*
+
+@Dao
+interface RecordDao {
+    @Query("SELECT COUNT(*) FROM record WHERE sensor = :sensor")
+    fun getCount(sensor: String): Int
+
+    @Query("SELECT * FROM record")
+    fun getAll(): List<Record>
+
+    @Query("SELECT * FROM record WHERE sensor LIKE :sensor ORDER BY timestamp DESC LIMIT 1")
+    fun getLatestLiveData(sensor : String): LiveData<List<Record>>
+
+
+    @Query("SELECT * FROM record WHERE sensor LIKE :name ORDER BY timestamp DESC LIMIT 1")
+    fun findBySensor(name: String): Record
+
+    @Insert(onConflict = OnConflictStrategy.REPLACE)
+    fun insertAll(vararg records: Record)
+
+    @Insert
+    fun insert(vararg records: Record)
+
+    @Delete
+    fun delete(record: Record)
+}

app/src/main/java/co/zzyzx/sensorlogger/db/entity.kt

@@ -0,0 +1,15 @@
+package co.zzyzx.sensorlogger.db
+
+import android.arch.persistence.room.ColumnInfo
+import android.arch.persistence.room.Entity
+import android.arch.persistence.room.Index
+import android.arch.persistence.room.PrimaryKey
+
+
+@Entity(indices = [(Index(value = ["timestamp", "sensor"], unique = true))])
+data class Record(
+    @PrimaryKey(autoGenerate = true)
+    @ColumnInfo(name = "timestamp") val timestamp: Long,
+    @ColumnInfo(name = "sensor") val sensor: String?,
+    @ColumnInfo(name = "data") val data: String?
+)

app/src/main/res/layout/activity_main.xml

@@ -7,11 +7,6 @@
         tools:context=".MainActivity">
 
 
-    <TextView
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:text="Status" />
-
     <LinearLayout
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
@@ -63,4 +58,9 @@
                 android:text="Stop Foreground Service" />
     </LinearLayout>
 
+    <TextView
+            android:id="@+id/status_textview"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content" />
+
 </LinearLayout>