├── .gitignore ├── .gradle ├── 5.4.1 │ ├── executionHistory │ │ ├── executionHistory.bin │ │ └── executionHistory.lock │ ├── fileChanges │ │ └── last-build.bin │ ├── fileContent │ │ └── fileContent.lock │ ├── fileHashes │ │ ├── fileHashes.bin │ │ ├── fileHashes.lock │ │ └── resourceHashesCache.bin │ ├── gc.properties │ └── javaCompile │ │ ├── classAnalysis.bin │ │ ├── jarAnalysis.bin │ │ ├── javaCompile.lock │ │ └── taskHistory.bin ├── buildOutputCleanup │ ├── buildOutputCleanup.lock │ ├── cache.properties │ └── outputFiles.bin └── vcs-1 │ └── gc.properties ├── .idea └── vcs.xml ├── LICENSE ├── Location Updates Using LiveData.iml ├── README.md ├── app ├── .gitignore ├── app.iml ├── build.gradle ├── proguard-rules.pro └── src │ ├── androidTest │ └── java │ │ └── com │ │ └── waheed │ │ └── location │ │ └── updates │ │ └── livedata │ │ └── ExampleInstrumentedTest.kt │ ├── main │ ├── AndroidManifest.xml │ ├── java │ │ └── com │ │ │ └── waheed │ │ │ └── location │ │ │ └── updates │ │ │ ├── livedata │ │ │ ├── LocationLiveData.kt │ │ │ └── LocationViewModel.kt │ │ │ ├── ui │ │ │ └── ActivityMain.kt │ │ │ └── utils │ │ │ └── LocationUtil.kt │ └── res │ │ ├── drawable-v24 │ │ └── ic_launcher_foreground.xml │ │ ├── drawable │ │ └── ic_launcher_background.xml │ │ ├── layout │ │ └── main_activity.xml │ │ ├── mipmap-anydpi-v26 │ │ ├── ic_launcher.xml │ │ └── ic_launcher_round.xml │ │ ├── mipmap-hdpi │ │ ├── ic_launcher.png │ │ └── ic_launcher_round.png │ │ ├── mipmap-mdpi │ │ ├── ic_launcher.png │ │ └── ic_launcher_round.png │ │ ├── mipmap-xhdpi │ │ ├── ic_launcher.png │ │ └── ic_launcher_round.png │ │ ├── mipmap-xxhdpi │ │ ├── ic_launcher.png │ │ └── ic_launcher_round.png │ │ ├── mipmap-xxxhdpi │ │ ├── ic_launcher.png │ │ └── ic_launcher_round.png │ │ └── values │ │ ├── colors.xml │ │ ├── strings.xml │ │ └── styles.xml │ └── test │ └── java │ └── com │ └── waheed │ └── location │ └── updates │ └── livedata │ └── ExampleUnitTest.kt ├── build.gradle ├── gradle.properties ├── gradle └── wrapper │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat ├── images └── sample_demo.gif ├── local.properties └── settings.gradle /.gitignore: -------------------------------------------------------------------------------- 1 | # Compiled class file 2 | *.class 3 | 4 | # Log file 5 | *.log 6 | 7 | # BlueJ files 8 | *.ctxt 9 | 10 | # Mobile Tools for Java (J2ME) 11 | .mtj.tmp/ 12 | 13 | # Package Files # 14 | *.jar 15 | *.war 16 | *.nar 17 | *.ear 18 | *.zip 19 | *.tar.gz 20 | *.rar 21 | 22 | # virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml 23 | hs_err_pid* 24 | .gradle/ 25 | build/ 26 | gradle/ 27 | .idea/ 28 | -------------------------------------------------------------------------------- /.gradle/5.4.1/executionHistory/executionHistory.bin: -------------------------------------------------------------------------------- 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/LICENSE: -------------------------------------------------------------------------------- 1 | MIT License 2 | 3 | Copyright (c) 2019 Waheed Nazir 4 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy 6 | of this software and associated documentation files (the "Software"), to deal 7 | in the Software without restriction, including without limitation the rights 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 | copies of the Software, and to permit persons to whom the Software is 10 | furnished to do so, subject to the following conditions: 11 | 12 | The above copyright notice and this permission notice shall be included in all 13 | copies or substantial portions of the Software. 14 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 | SOFTWARE. 22 | -------------------------------------------------------------------------------- /Location Updates Using LiveData.iml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # LocationUpdates-LiveData-ViewModel 2 | Location updates using LiveData, ViewModel, Fused Location APi in Kotlin. 3 | 4 | 5 | ### Demo 6 | 7 | 8 | 9 | ### Other samples of MVVM using Kotlin 10 | 11 | * [View-ViewModel-Interaction] - Sample shows View and ViewModel Interaction/Communication. 12 | * [Communication-ActivityFragment-ViewModel] - Sample shows communication between Activity and Fragment using ViewModel 13 | * [ViewModel-ViewModel-Communication] - Sample shows communication between ViewModels 14 | * [LocationUpdates-LiveData-ViewModel] - Sample shows, to get location updates as LiveData in Kotlin. 15 | * [Kotlin-MVVM-Architecture] - Sample of complete MVVM Architecture using Dagger2, Kotlin, MediatorLiveData, Retrofit etc. 16 | 17 | [Kotlin-MVVM-Architecture]: 18 | [View-ViewModel-Interaction]: 19 | [ViewModel-ViewModel-Communication]: 20 | [Communication-ActivityFragment-ViewModel]: 21 | [LocationUpdates-LiveData-ViewModel]: 22 | 23 | 24 | ### Author 25 | [Waheed Nazir](https://github.com/WaheedNazir "Waheed Nazir (WaveTechStudio)") -------------------------------------------------------------------------------- /app/.gitignore: -------------------------------------------------------------------------------- 1 | /build 2 | -------------------------------------------------------------------------------- /app/app.iml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 10 | 11 | 12 | 13 | 26 | 27 | 28 | 29 | 30 | 32 | 33 | 47 | 60 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 | 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 79 | 80 | 81 | 82 | 83 | 84 | 85 | 86 | 87 | 88 | 89 | 90 | 91 | 92 | 93 | 94 | 95 | 96 | 97 | 98 | 99 | 100 | 101 | 102 | 103 | 104 | 105 | 106 | 107 | 108 | 109 | 110 | 111 | 112 | 113 | 114 | 115 | 116 | 117 | 118 | 119 | 120 | 121 | 122 | 123 | 124 | 125 | 126 | 127 | 128 | 129 | 130 | 131 | 132 | 133 | 134 | 135 | 136 | 137 | 138 | 139 | 140 | 141 | 142 | 143 | 144 | 145 | 146 | 147 | 148 | 149 | 150 | 151 | 152 | 153 | 154 | 155 | 156 | 157 | 158 | 159 | 160 | 161 | 162 | 163 | 164 | 165 | 166 | 167 | 168 | 169 | 170 | 171 | 172 | 173 | 174 | 175 | 176 | 177 | 178 | 179 | 180 | 181 | 182 | 183 | 184 | 185 | 186 | 187 | 188 | 189 | 190 | -------------------------------------------------------------------------------- /app/build.gradle: -------------------------------------------------------------------------------- 1 | apply plugin: 'com.android.application' 2 | 3 | apply plugin: 'kotlin-android' 4 | 5 | apply plugin: 'kotlin-android-extensions' 6 | 7 | android { 8 | compileSdkVersion 29 9 | buildToolsVersion "29.0.3" 10 | defaultConfig { 11 | applicationId "com.waheed.location.updates.livedata" 12 | minSdkVersion 16 13 | targetSdkVersion 29 14 | versionCode 1 15 | versionName "1.0" 16 | testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner" 17 | } 18 | buildTypes { 19 | release { 20 | minifyEnabled false 21 | proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro' 22 | } 23 | } 24 | } 25 | 26 | dependencies { 27 | implementation fileTree(dir: 'libs', include: ['*.jar']) 28 | implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version" 29 | implementation 'androidx.appcompat:appcompat:1.2.0' 30 | implementation 'androidx.core:core-ktx:1.3.1' 31 | implementation 'androidx.constraintlayout:constraintlayout:1.1.3' 32 | implementation 'androidx.lifecycle:lifecycle-extensions:2.2.0' 33 | implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.2.0' 34 | implementation 'com.google.android.gms:play-services-location:17.0.0' 35 | 36 | implementation 'com.androidisland.ezpermission:ezpermission:0.1.4' 37 | 38 | testImplementation 'junit:junit:4.13' 39 | androidTestImplementation 'androidx.test.ext:junit:1.1.1' 40 | androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0' 41 | } -------------------------------------------------------------------------------- /app/proguard-rules.pro: -------------------------------------------------------------------------------- 1 | # Add project specific ProGuard rules here. 2 | # You can control the set of applied configuration files using the 3 | # proguardFiles setting in build.gradle. 4 | # 5 | # For more details, see 6 | # http://developer.android.com/guide/developing/tools/proguard.html 7 | 8 | # If your project uses WebView with JS, uncomment the following 9 | # and specify the fully qualified class name to the JavaScript interface 10 | # class: 11 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview { 12 | # public *; 13 | #} 14 | 15 | # Uncomment this to preserve the line number information for 16 | # debugging stack traces. 17 | #-keepattributes SourceFile,LineNumberTable 18 | 19 | # If you keep the line number information, uncomment this to 20 | # hide the original source file name. 21 | #-renamesourcefileattribute SourceFile 22 | -------------------------------------------------------------------------------- /app/src/androidTest/java/com/waheed/location/updates/livedata/ExampleInstrumentedTest.kt: -------------------------------------------------------------------------------- 1 | package com.waheed.location.updates.livedata 2 | 3 | import androidx.test.platform.app.InstrumentationRegistry 4 | import androidx.test.ext.junit.runners.AndroidJUnit4 5 | 6 | import org.junit.Test 7 | import org.junit.runner.RunWith 8 | 9 | import org.junit.Assert.* 10 | 11 | /** 12 | * Instrumented test, which will execute on an Android device. 13 | * 14 | * See [testing documentation](http://d.android.com/tools/testing). 15 | */ 16 | @RunWith(AndroidJUnit4::class) 17 | class ExampleInstrumentedTest { 18 | @Test 19 | fun useAppContext() { 20 | // Context of the app under test. 21 | val appContext = InstrumentationRegistry.getInstrumentation().targetContext 22 | assertEquals("com.waheed.location.updates.livedata", appContext.packageName) 23 | } 24 | } 25 | -------------------------------------------------------------------------------- /app/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 5 | 6 | 7 | 8 | 9 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | -------------------------------------------------------------------------------- /app/src/main/java/com/waheed/location/updates/livedata/LocationLiveData.kt: -------------------------------------------------------------------------------- 1 | package com.waheed.location.updates.livedata 2 | 3 | import android.content.Context 4 | import android.location.Location 5 | import androidx.lifecycle.MutableLiveData 6 | import com.google.android.gms.location.LocationCallback 7 | import com.google.android.gms.location.LocationRequest 8 | import com.google.android.gms.location.LocationResult 9 | import com.google.android.gms.location.LocationServices 10 | 11 | /** 12 | * Constants Values 13 | */ 14 | const val INTERVAL = 1000L 15 | const val FASTEST_INTERVAL = 500L 16 | 17 | /** 18 | * Created by Waheed on 03,December,2019 19 | */ 20 | class LocationLiveData(context: Context) : MutableLiveData() { 21 | 22 | 23 | private var fusedLocationProviderClient = 24 | LocationServices.getFusedLocationProviderClient(context) 25 | 26 | 27 | /** 28 | * Sets the value. If there are active observers, the value will be dispatched to them. 29 | * 30 | * This method must be called from the main thread. If you need set a value from a background 31 | * thread, you can use postValue(Object) 32 | * 33 | */ 34 | private fun setLocationData(location: Location) { 35 | value = location 36 | } 37 | 38 | /** 39 | * Static object of location request 40 | */ 41 | companion object { 42 | val locationRequest: LocationRequest = LocationRequest.create() 43 | .apply { 44 | interval = INTERVAL 45 | fastestInterval = FASTEST_INTERVAL 46 | priority = LocationRequest.PRIORITY_HIGH_ACCURACY 47 | } 48 | } 49 | 50 | 51 | /** 52 | * Called when the number of active observers change to 1 from 0. 53 | * This callback can be used to know that this LiveData is being used thus should be kept 54 | * up to date. 55 | */ 56 | override fun onInactive() { 57 | super.onInactive() 58 | fusedLocationProviderClient.removeLocationUpdates(locationCallback) 59 | } 60 | 61 | 62 | /** 63 | * Called when the number of active observers change from 1 to 0. 64 | * 65 | * This does not mean that there are no observers left, there may still be observers but their 66 | * lifecycle states aren't STARTED or RESUMED 67 | * (like an Activity in the back stack). 68 | * 69 | * You can check if there are observers via hasObservers() method 70 | */ 71 | override fun onActive() { 72 | super.onActive() 73 | fusedLocationProviderClient.lastLocation 74 | .addOnSuccessListener { location: Location? -> 75 | location?.also { 76 | setLocationData(it) 77 | } 78 | } 79 | startLocationUpdates() 80 | } 81 | 82 | /** 83 | * Callback that triggers on location updates available 84 | */ 85 | private val locationCallback = object : LocationCallback() { 86 | override fun onLocationResult(locationResult: LocationResult?) { 87 | locationResult ?: return 88 | for (location in locationResult.locations) { 89 | setLocationData(location) 90 | } 91 | } 92 | } 93 | 94 | /** 95 | * Initiate Location Updates using Fused Location Provider and 96 | * attaching callback to listen location updates 97 | */ 98 | private fun startLocationUpdates() { 99 | fusedLocationProviderClient.requestLocationUpdates( 100 | locationRequest, 101 | locationCallback, 102 | null 103 | ) 104 | } 105 | 106 | } 107 | -------------------------------------------------------------------------------- /app/src/main/java/com/waheed/location/updates/livedata/LocationViewModel.kt: -------------------------------------------------------------------------------- 1 | package com.waheed.location.updates.livedata 2 | 3 | import android.app.Application 4 | import android.location.Location 5 | import androidx.lifecycle.AndroidViewModel 6 | import androidx.lifecycle.LiveData 7 | 8 | /** 9 | * Created by Waheed on 03,December,2019 10 | */ 11 | class LocationViewModel(application: Application) : AndroidViewModel(application) { 12 | 13 | /** 14 | * MutableLiveData private field to get/save location updated values 15 | */ 16 | private val locationData = 17 | LocationLiveData(application) 18 | 19 | /** 20 | * LiveData a public field to observe the changes of location 21 | */ 22 | val getLocationData: LiveData = locationData 23 | } -------------------------------------------------------------------------------- /app/src/main/java/com/waheed/location/updates/ui/ActivityMain.kt: -------------------------------------------------------------------------------- 1 | package com.waheed.location.updates.ui 2 | 3 | import android.Manifest 4 | import android.app.Activity 5 | import android.content.Intent 6 | import android.content.pm.PackageManager 7 | import android.os.Bundle 8 | import androidx.appcompat.app.AlertDialog 9 | import androidx.appcompat.app.AppCompatActivity 10 | import androidx.core.app.ActivityCompat 11 | import androidx.lifecycle.Observer 12 | import androidx.lifecycle.ViewModelProviders 13 | import com.androidisland.ezpermission.EzPermission 14 | import com.waheed.location.updates.livedata.LocationViewModel 15 | import com.waheed.location.updates.livedata.R 16 | import com.waheed.location.updates.utils.LocationUtil 17 | import kotlinx.android.synthetic.main.main_activity.* 18 | 19 | /** 20 | * Created by Waheed on 03,December,2019 21 | */ 22 | 23 | /** 24 | * Constants Values 25 | */ 26 | const val LOCATION_PERMISSION_REQUEST = 101 27 | 28 | 29 | /** 30 | * Main Activity 31 | */ 32 | class MainActivity : AppCompatActivity() { 33 | 34 | private lateinit var locationViewModel: LocationViewModel 35 | private var isGPSEnabled = false 36 | 37 | private val locationPermissions = arrayOf( 38 | Manifest.permission.ACCESS_FINE_LOCATION, 39 | Manifest.permission.ACCESS_COARSE_LOCATION 40 | ) 41 | 42 | /** 43 | * onCreate of activity 44 | */ 45 | override fun onCreate(savedInstanceState: Bundle?) { 46 | super.onCreate(savedInstanceState) 47 | setContentView(R.layout.main_activity) 48 | 49 | // Instance of LocationViewModel 50 | locationViewModel = ViewModelProviders.of(this).get(LocationViewModel::class.java) 51 | 52 | 53 | //Check weather Location/GPS is ON or OFF 54 | LocationUtil(this).turnGPSOn(object : 55 | LocationUtil.OnLocationOnListener { 56 | 57 | override fun locationStatus(isLocationOn: Boolean) { 58 | this@MainActivity.isGPSEnabled = isLocationOn 59 | } 60 | }) 61 | } 62 | 63 | /** 64 | * Observe LocationViewModel LiveData to get updated location 65 | */ 66 | private fun observeLocationUpdates() { 67 | locationViewModel.getLocationData.observe(this, Observer { 68 | longitude.text = it.longitude.toString() 69 | latitude.text = it.latitude.toString() 70 | info.text = getString(R.string.location_successfully_received) 71 | }) 72 | } 73 | 74 | 75 | /** 76 | * onStart lifecycle of activity 77 | */ 78 | override fun onStart() { 79 | super.onStart() 80 | startLocationUpdates() 81 | } 82 | 83 | 84 | /** 85 | * Initiate Location updated by checking Location/GPS settings is ON or OFF 86 | * Requesting permissions to read location. 87 | */ 88 | private fun startLocationUpdates() { 89 | when { 90 | !isGPSEnabled -> { 91 | info.text = getString(R.string.enable_gps) 92 | } 93 | 94 | isLocationPermissionsGranted() -> { 95 | observeLocationUpdates() 96 | } 97 | else -> { 98 | askLocationPermission() 99 | } 100 | } 101 | } 102 | 103 | /** 104 | * Check the availability of location permissions 105 | */ 106 | private fun isLocationPermissionsGranted(): Boolean { 107 | return (EzPermission.isGranted(this, locationPermissions[0]) 108 | && EzPermission.isGranted(this, locationPermissions[1])) 109 | } 110 | 111 | /** 112 | * 113 | */ 114 | private fun askLocationPermission() { 115 | EzPermission 116 | .with(this) 117 | .permissions(locationPermissions[0], locationPermissions[1]) 118 | .request { granted, denied, permanentlyDenied -> 119 | if (granted.contains(locationPermissions[0]) && 120 | granted.contains(locationPermissions[1]) 121 | ) { // Granted 122 | startLocationUpdates() 123 | 124 | } else if (denied.contains(locationPermissions[0]) || 125 | denied.contains(locationPermissions[1]) 126 | ) { // Denied 127 | 128 | showDeniedDialog() 129 | 130 | } else if (permanentlyDenied.contains(locationPermissions[0]) || 131 | permanentlyDenied.contains(locationPermissions[1]) 132 | ) { // Permanently denied 133 | showPermanentlyDeniedDialog() 134 | } 135 | 136 | } 137 | } 138 | 139 | /** 140 | * 141 | */ 142 | private fun showPermanentlyDeniedDialog() { 143 | val dialog = AlertDialog.Builder(this) 144 | dialog.setTitle(getString(R.string.title_permission_permanently_denied)) 145 | dialog.setMessage(getString(R.string.message_permission_permanently_denied)) 146 | dialog.setNegativeButton(getString(R.string.not_now)) { _, _ -> } 147 | dialog.setPositiveButton(getString(R.string.settings)) { _, _ -> 148 | startActivity( 149 | EzPermission.appDetailSettingsIntent( 150 | this 151 | ) 152 | ) 153 | } 154 | dialog.setOnCancelListener { } //important 155 | dialog.show() 156 | } 157 | 158 | 159 | /** 160 | * 161 | */ 162 | private fun showDeniedDialog() { 163 | val dialog = AlertDialog.Builder(this) 164 | dialog.setTitle(getString(R.string.title_permission_denied)) 165 | dialog.setMessage(getString(R.string.message_permission_denied)) 166 | dialog.setNegativeButton(getString(R.string.cancel)) { _, _ -> } 167 | dialog.setPositiveButton(getString(R.string.allow)) { _, _ -> 168 | askLocationPermission() 169 | } 170 | dialog.setOnCancelListener { } //important 171 | dialog.show() 172 | } 173 | 174 | /** 175 | * On Activity Result for locations permissions updates 176 | */ 177 | override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) { 178 | super.onActivityResult(requestCode, resultCode, data) 179 | if (resultCode == Activity.RESULT_OK) { 180 | if (requestCode == LOCATION_PERMISSION_REQUEST) { 181 | isGPSEnabled = true 182 | startLocationUpdates() 183 | } 184 | } 185 | } 186 | 187 | } -------------------------------------------------------------------------------- /app/src/main/java/com/waheed/location/updates/utils/LocationUtil.kt: -------------------------------------------------------------------------------- 1 | package com.waheed.location.updates.utils 2 | 3 | import android.app.Activity 4 | import android.content.ContentValues.TAG 5 | import android.content.Context 6 | import android.content.IntentSender 7 | import android.location.LocationManager 8 | import android.util.Log 9 | import android.widget.Toast 10 | import com.google.android.gms.common.api.ApiException 11 | import com.google.android.gms.common.api.ResolvableApiException 12 | import com.google.android.gms.location.LocationServices 13 | import com.google.android.gms.location.LocationSettingsRequest 14 | import com.google.android.gms.location.LocationSettingsStatusCodes 15 | import com.google.android.gms.location.SettingsClient 16 | import com.waheed.location.updates.livedata.LocationLiveData 17 | import com.waheed.location.updates.ui.LOCATION_PERMISSION_REQUEST 18 | 19 | /** 20 | * Created by Waheed on 03,December,2019 21 | */ 22 | 23 | class LocationUtil(private val context: Context) { 24 | 25 | private val settingsClient: SettingsClient = LocationServices.getSettingsClient(context) 26 | private val locationSettingsRequest: LocationSettingsRequest? 27 | private val locationManager = 28 | context.getSystemService(Context.LOCATION_SERVICE) as LocationManager 29 | 30 | /** 31 | * 32 | */ 33 | init { 34 | val builder = LocationSettingsRequest.Builder() 35 | .addLocationRequest(LocationLiveData.locationRequest) 36 | locationSettingsRequest = builder.build() 37 | builder.setAlwaysShow(true) 38 | } 39 | 40 | /** 41 | * 42 | */ 43 | fun turnGPSOn(OnGpsListener: OnLocationOnListener?) { 44 | 45 | if (locationManager.isProviderEnabled(LocationManager.GPS_PROVIDER)) { 46 | OnGpsListener?.locationStatus(true) 47 | } else { 48 | settingsClient 49 | .checkLocationSettings(locationSettingsRequest) 50 | .addOnSuccessListener(context as Activity) { 51 | // GPS enabled already 52 | OnGpsListener?.locationStatus(true) 53 | } 54 | .addOnFailureListener(context) { e -> 55 | when ((e as ApiException).statusCode) { 56 | LocationSettingsStatusCodes.RESOLUTION_REQUIRED -> 57 | 58 | try { 59 | val rae = e as ResolvableApiException 60 | rae.startResolutionForResult( 61 | context, 62 | LOCATION_PERMISSION_REQUEST 63 | ) 64 | } catch (sie: IntentSender.SendIntentException) { 65 | Log.i(TAG, "PendingIntent unable to execute request.") 66 | } 67 | 68 | LocationSettingsStatusCodes.SETTINGS_CHANGE_UNAVAILABLE -> { 69 | val errorMessage = 70 | "Enable location services from settings." 71 | Log.e(TAG, errorMessage) 72 | 73 | Toast.makeText(context, errorMessage, Toast.LENGTH_LONG).show() 74 | } 75 | } 76 | } 77 | } 78 | } 79 | 80 | /** 81 | * 82 | */ 83 | interface OnLocationOnListener { 84 | fun locationStatus(isLocationOn: Boolean) 85 | } 86 | } -------------------------------------------------------------------------------- /app/src/main/res/drawable-v24/ic_launcher_foreground.xml: -------------------------------------------------------------------------------- 1 | 7 | 12 | 13 | 19 | 22 | 25 | 26 | 27 | 28 | 34 | 35 | -------------------------------------------------------------------------------- /app/src/main/res/drawable/ic_launcher_background.xml: -------------------------------------------------------------------------------- 1 | 2 | 7 | 10 | 15 | 20 | 25 | 30 | 35 | 40 | 45 | 50 | 55 | 60 | 65 | 70 | 75 | 80 | 85 | 90 | 95 | 100 | 105 | 110 | 115 | 120 | 125 | 130 | 135 | 140 | 145 | 150 | 155 | 160 | 165 | 170 | 171 | -------------------------------------------------------------------------------- /app/src/main/res/layout/main_activity.xml: -------------------------------------------------------------------------------- 1 | 2 | 10 | 11 | 20 | 21 | 27 | 28 | 37 | 38 | 45 | 46 | 47 | 48 | 53 | 54 | 62 | 63 | 64 | 71 | 72 | -------------------------------------------------------------------------------- /app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml: 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Permission Permanently Denied 7 | The app will not work without providing location permission. 8 | 9 | Open App settings -> Permissions -> Allow permission. 10 | Location Permission Denied 11 | The app will not work without providing location permission. Allow permission? 12 | Settings 13 | Not now 14 | Cancel 15 | Allow 16 | 17 | -------------------------------------------------------------------------------- /app/src/main/res/values/styles.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 10 | 11 | 12 | -------------------------------------------------------------------------------- /app/src/test/java/com/waheed/location/updates/livedata/ExampleUnitTest.kt: -------------------------------------------------------------------------------- 1 | package com.waheed.location.updates.livedata 2 | 3 | import org.junit.Test 4 | 5 | import org.junit.Assert.* 6 | 7 | /** 8 | * Example local unit test, which will execute on the development machine (host). 9 | * 10 | * See [testing documentation](http://d.android.com/tools/testing). 11 | */ 12 | class ExampleUnitTest { 13 | @Test 14 | fun addition_isCorrect() { 15 | assertEquals(4, 2 + 2) 16 | } 17 | } 18 | -------------------------------------------------------------------------------- /build.gradle: -------------------------------------------------------------------------------- 1 | buildscript { 2 | ext.kotlin_version = '1.3.72' 3 | 4 | repositories { 5 | google() 6 | jcenter() 7 | } 8 | 9 | dependencies { 10 | classpath 'com.android.tools.build:gradle:4.0.1' 11 | classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version" 12 | } 13 | } 14 | 15 | allprojects { 16 | repositories { 17 | google() 18 | jcenter() 19 | } 20 | } 21 | 22 | task clean(type: Delete) { 23 | delete rootProject.buildDir 24 | } 25 | -------------------------------------------------------------------------------- /gradle.properties: -------------------------------------------------------------------------------- 1 | # Project-wide Gradle settings. 2 | # IDE (e.g. Android Studio) users: 3 | # Gradle settings configured through the IDE *will override* 4 | # any settings specified in this file. 5 | # For more details on how to configure your build environment visit 6 | # http://www.gradle.org/docs/current/userguide/build_environment.html 7 | # Specifies the JVM arguments used for the daemon process. 8 | # The setting is particularly useful for tweaking memory settings. 9 | org.gradle.jvmargs=-Xmx1536m 10 | # When configured, Gradle will run in incubating parallel mode. 11 | # This option should only be used with decoupled projects. More details, visit 12 | # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects 13 | # org.gradle.parallel=true 14 | # AndroidX package structure to make it clearer which packages are bundled with the 15 | # Android operating system, and which are packaged with your app's APK 16 | # https://developer.android.com/topic/libraries/support-library/androidx-rn 17 | android.useAndroidX=true 18 | # Automatically convert third-party libraries to use AndroidX 19 | android.enableJetifier=true 20 | # Kotlin code style for this project: "official" or "obsolete": 21 | kotlin.code.style=official 22 | -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | #Thu Aug 20 22:07:13 MYT 2020 2 | distributionBase=GRADLE_USER_HOME 3 | distributionPath=wrapper/dists 4 | zipStoreBase=GRADLE_USER_HOME 5 | zipStorePath=wrapper/dists 6 | distributionUrl=https\://services.gradle.org/distributions/gradle-6.1.1-all.zip 7 | -------------------------------------------------------------------------------- /gradlew: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env sh 2 | 3 | ############################################################################## 4 | ## 5 | ## Gradle start up script for UN*X 6 | ## 7 | ############################################################################## 8 | 9 | # Attempt to set APP_HOME 10 | # Resolve links: $0 may be a link 11 | PRG="$0" 12 | # Need this for relative symlinks. 13 | while [ -h "$PRG" ] ; do 14 | ls=`ls -ld "$PRG"` 15 | link=`expr "$ls" : '.*-> \(.*\)$'` 16 | if expr "$link" : '/.*' > /dev/null; then 17 | PRG="$link" 18 | else 19 | PRG=`dirname "$PRG"`"/$link" 20 | fi 21 | done 22 | SAVED="`pwd`" 23 | cd "`dirname \"$PRG\"`/" >/dev/null 24 | APP_HOME="`pwd -P`" 25 | cd "$SAVED" >/dev/null 26 | 27 | APP_NAME="Gradle" 28 | APP_BASE_NAME=`basename "$0"` 29 | 30 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 31 | DEFAULT_JVM_OPTS="" 32 | 33 | # Use the maximum available, or set MAX_FD != -1 to use that value. 34 | MAX_FD="maximum" 35 | 36 | warn () { 37 | echo "$*" 38 | } 39 | 40 | die () { 41 | echo 42 | echo "$*" 43 | echo 44 | exit 1 45 | } 46 | 47 | # OS specific support (must be 'true' or 'false'). 48 | cygwin=false 49 | msys=false 50 | darwin=false 51 | nonstop=false 52 | case "`uname`" in 53 | CYGWIN* ) 54 | cygwin=true 55 | ;; 56 | Darwin* ) 57 | darwin=true 58 | ;; 59 | MINGW* ) 60 | msys=true 61 | ;; 62 | NONSTOP* ) 63 | nonstop=true 64 | ;; 65 | esac 66 | 67 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar 68 | 69 | # Determine the Java command to use to start the JVM. 70 | if [ -n "$JAVA_HOME" ] ; then 71 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 72 | # IBM's JDK on AIX uses strange locations for the executables 73 | JAVACMD="$JAVA_HOME/jre/sh/java" 74 | else 75 | JAVACMD="$JAVA_HOME/bin/java" 76 | fi 77 | if [ ! -x "$JAVACMD" ] ; then 78 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME 79 | 80 | Please set the JAVA_HOME variable in your environment to match the 81 | location of your Java installation." 82 | fi 83 | else 84 | JAVACMD="java" 85 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 86 | 87 | Please set the JAVA_HOME variable in your environment to match the 88 | location of your Java installation." 89 | fi 90 | 91 | # Increase the maximum file descriptors if we can. 92 | if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then 93 | MAX_FD_LIMIT=`ulimit -H -n` 94 | if [ $? -eq 0 ] ; then 95 | if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then 96 | MAX_FD="$MAX_FD_LIMIT" 97 | fi 98 | ulimit -n $MAX_FD 99 | if [ $? -ne 0 ] ; then 100 | warn "Could not set maximum file descriptor limit: $MAX_FD" 101 | fi 102 | else 103 | warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" 104 | fi 105 | fi 106 | 107 | # For Darwin, add options to specify how the application appears in the dock 108 | if $darwin; then 109 | GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" 110 | fi 111 | 112 | # For Cygwin, switch paths to Windows format before running java 113 | if $cygwin ; then 114 | APP_HOME=`cygpath --path --mixed "$APP_HOME"` 115 | CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` 116 | JAVACMD=`cygpath --unix "$JAVACMD"` 117 | 118 | # We build the pattern for arguments to be converted via cygpath 119 | ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` 120 | SEP="" 121 | for dir in $ROOTDIRSRAW ; do 122 | ROOTDIRS="$ROOTDIRS$SEP$dir" 123 | SEP="|" 124 | done 125 | OURCYGPATTERN="(^($ROOTDIRS))" 126 | # Add a user-defined pattern to the cygpath arguments 127 | if [ "$GRADLE_CYGPATTERN" != "" ] ; then 128 | OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" 129 | fi 130 | # Now convert the arguments - kludge to limit ourselves to /bin/sh 131 | i=0 132 | for arg in "$@" ; do 133 | CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` 134 | CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option 135 | 136 | if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition 137 | eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` 138 | else 139 | eval `echo args$i`="\"$arg\"" 140 | fi 141 | i=$((i+1)) 142 | done 143 | case $i in 144 | (0) set -- ;; 145 | (1) set -- "$args0" ;; 146 | (2) set -- "$args0" "$args1" ;; 147 | (3) set -- "$args0" "$args1" "$args2" ;; 148 | (4) set -- "$args0" "$args1" "$args2" "$args3" ;; 149 | (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; 150 | (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; 151 | (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; 152 | (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; 153 | (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; 154 | esac 155 | fi 156 | 157 | # Escape application args 158 | save () { 159 | for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done 160 | echo " " 161 | } 162 | APP_ARGS=$(save "$@") 163 | 164 | # Collect all arguments for the java command, following the shell quoting and substitution rules 165 | eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS" 166 | 167 | # by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong 168 | if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then 169 | cd "$(dirname "$0")" 170 | fi 171 | 172 | exec "$JAVACMD" "$@" 173 | -------------------------------------------------------------------------------- /gradlew.bat: -------------------------------------------------------------------------------- 1 | @if "%DEBUG%" == "" @echo off 2 | @rem ########################################################################## 3 | @rem 4 | @rem Gradle startup script for Windows 5 | @rem 6 | @rem ########################################################################## 7 | 8 | @rem Set local scope for the variables with windows NT shell 9 | if "%OS%"=="Windows_NT" setlocal 10 | 11 | set DIRNAME=%~dp0 12 | if "%DIRNAME%" == "" set DIRNAME=. 13 | set APP_BASE_NAME=%~n0 14 | set APP_HOME=%DIRNAME% 15 | 16 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 17 | set DEFAULT_JVM_OPTS= 18 | 19 | @rem Find java.exe 20 | if defined JAVA_HOME goto findJavaFromJavaHome 21 | 22 | set JAVA_EXE=java.exe 23 | %JAVA_EXE% -version >NUL 2>&1 24 | if "%ERRORLEVEL%" == "0" goto init 25 | 26 | echo. 27 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 28 | echo. 29 | echo Please set the JAVA_HOME variable in your environment to match the 30 | echo location of your Java installation. 31 | 32 | goto fail 33 | 34 | :findJavaFromJavaHome 35 | set JAVA_HOME=%JAVA_HOME:"=% 36 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe 37 | 38 | if exist "%JAVA_EXE%" goto init 39 | 40 | echo. 41 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 42 | echo. 43 | echo Please set the JAVA_HOME variable in your environment to match the 44 | echo location of your Java installation. 45 | 46 | goto fail 47 | 48 | :init 49 | @rem Get command-line arguments, handling Windows variants 50 | 51 | if not "%OS%" == "Windows_NT" goto win9xME_args 52 | 53 | :win9xME_args 54 | @rem Slurp the command line arguments. 55 | set CMD_LINE_ARGS= 56 | set _SKIP=2 57 | 58 | :win9xME_args_slurp 59 | if "x%~1" == "x" goto execute 60 | 61 | set CMD_LINE_ARGS=%* 62 | 63 | :execute 64 | @rem Setup the command line 65 | 66 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar 67 | 68 | @rem Execute Gradle 69 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS% 70 | 71 | :end 72 | @rem End local scope for the variables with windows NT shell 73 | if "%ERRORLEVEL%"=="0" goto mainEnd 74 | 75 | :fail 76 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of 77 | rem the _cmd.exe /c_ return code! 78 | if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 79 | exit /b 1 80 | 81 | :mainEnd 82 | if "%OS%"=="Windows_NT" endlocal 83 | 84 | :omega 85 | -------------------------------------------------------------------------------- /images/sample_demo.gif: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/WaheedNazir/LocationUpdates-LiveData-ViewModel/421f6ac457ce73df877e9b0c3ce7eeb6c473245b/images/sample_demo.gif -------------------------------------------------------------------------------- /local.properties: -------------------------------------------------------------------------------- 1 | ## This file must *NOT* be checked into Version Control Systems, 2 | # as it contains information specific to your local configuration. 3 | # 4 | # Location of the SDK. This is only used by Gradle. 5 | # For customization when using a Version Control System, please read the 6 | # header note. 7 | #Thu Aug 20 23:54:47 MYT 2020 8 | sdk.dir=/Users/twaheed/Library/Android/sdk 9 | -------------------------------------------------------------------------------- /settings.gradle: -------------------------------------------------------------------------------- 1 | include ':app' 2 | rootProject.name='Location Updates Using LiveData' 3 | --------------------------------------------------------------------------------