hft-informatik/ubiquitous-computing-geo-timetracking
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Get the actual location and update it

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This commit is contained in:
wiecktobi 2020-05-11 18:00:33 +02:00
parent d66ecc43b7
commit 859fd1d5ec
5 changed files with 105 additions and 2 deletions
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1
android/app/build.gradle
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@ -37,6 +37,7 @@ dependencies {
implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
implementation 'androidx.legacy:legacy-support-v4:1.0.0'
implementation 'com.google.android.material:material:1.2.0-alpha06'
implementation "com.google.android.gms:play-services-location:17.0.0"
implementation 'androidx.preference:preference:1.1.1'
testImplementation 'junit:junit:4.13'
androidTestImplementation 'androidx.test.ext:junit:1.1.1'

4
android/app/src/main/AndroidManifest.xml
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@ -2,6 +2,10 @@
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="de.hft.geotracker">
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
<!-- Required if your app targets Android 10 (API level 29) or higher -->
<uses-permission android:name="android.permission.ACCESS_BACKGROUND_LOCATION"/>
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"

67
android/app/src/main/java/de/hft/geotracker/MainActivity.kt
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@ -1,9 +1,13 @@
package de.hft.geotracker
import android.Manifest.permission.ACCESS_FINE_LOCATION
import android.annotation.SuppressLint
import android.content.Intent
import android.content.pm.PackageManager
import android.location.Location
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.os.Looper
import android.view.Menu
import android.view.MenuInflater
import android.view.MenuItem
@ -11,20 +15,46 @@ import android.view.Window
import android.widget.ArrayAdapter
import android.widget.AutoCompleteTextView
import android.widget.Spinner
import android.widget.TextView
import androidx.core.app.ActivityCompat
import androidx.core.app.ActivityCompat.requestPermissions
import androidx.navigation.findNavController
import androidx.databinding.DataBindingUtil
import androidx.navigation.ui.NavigationUI
import com.google.android.gms.location.*
import com.google.android.material.textfield.TextInputLayout
import java.util.jar.Manifest
class MainActivity : AppCompatActivity() {
lateinit var fusedLocationClient : FusedLocationProviderClient
lateinit var locationRequest : LocationRequest
lateinit var locationCallback: LocationCallback
lateinit var actionButton : TextView
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setSupportActionBar(findViewById(R.id.my_toolbar))
setContentView(R.layout.activity_home)
// val builder = LocationSettingsRequest.Builder().addLocationRequest(locationRequest)
createLocationRequest()
fusedLocationClient = LocationServices.getFusedLocationProviderClient(this)
if (ActivityCompat.checkSelfPermission(this, ACCESS_FINE_LOCATION) !=
PackageManager.PERMISSION_GRANTED) {
requestPermissions(this, arrayOf(ACCESS_FINE_LOCATION), 1000)
}
locationCallback = object : LocationCallback() {
override fun onLocationResult(locationResult: LocationResult?) {
locationResult ?: return
for (location in locationResult.locations){
// Update UI with location data
findViewById<TextView>(R.id.latitude).text = location.latitude.toString()
findViewById<TextView>(R.id.longitude).text = location.longitude.toString()
findViewById<TextView>(R.id.altitude).text = location.altitude.toString()
}
}
}
// val binding = DataBindingUtil.setContentView(this, R.layout.activity_main)
// val navController = this.findNavController(R.id.HostFragment)
// NavigationUI.setupActionBarWithNavController(this, navController)
@ -49,8 +79,43 @@ class MainActivity : AppCompatActivity() {
// Apply the adapter to the spinner
spinner.adapter = adapter
}
actionButton = findViewById(R.id.button_start_stop)
actionButton.setOnClickListener {
callStartStop()
}
}
private fun callStartStop() {
println("StartStop pressed")
fusedLocationClient.lastLocation
.addOnSuccessListener { location : Location? ->
if (location != null) {
var label = findViewById<TextView>(R.id.display_acc)
label.text = location.latitude.toString()
} else {
println("Location = null")
}
}
}
override fun onResume() {
super.onResume()
startLocationUpdates()
}
private fun startLocationUpdates() {
fusedLocationClient.requestLocationUpdates(locationRequest,
locationCallback,
Looper.getMainLooper())
}
fun createLocationRequest() {
locationRequest = LocationRequest.create().apply {
interval = 10000
fastestInterval = 5000
priority = LocationRequest.PRIORITY_HIGH_ACCURACY
}
}
override fun onOptionsItemSelected(item: MenuItem) = when (item.itemId) {
R.id.settings -> {
// User chose the "Settings" item, show the app settings UI...

0
android/app/src/main/res/drawable/ic_search_black_24dp.xml
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35
android/app/src/main/res/layout/activity_home.xml
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@ -83,9 +83,42 @@
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toBottomOf="@+id/my_toolbar" />
<TextView
android:id="@+id/altitude"
style="@style/text_style"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="16dp"
android:text="dummy"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/longitude" />
<TextView
android:id="@+id/latitude"
style="@style/text_style"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:layout_marginTop="16dp"
android:layout_marginEnd="16dp"
android:text="dummy"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/display_acc" />
<TextView
android:id="@+id/longitude"
style="@style/text_style"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:layout_marginTop="16dp"
android:layout_marginEnd="16dp"
android:text="dummy"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/latitude" />
</androidx.constraintlayout.widget.ConstraintLayout>