B14-VnCuong

app/build.gradle

@@ -6,6 +6,11 @@ plugins {
 android {
     compileSdk 32
 
+    buildFeatures{
+        viewBinding = true
+    }
+
+
     defaultConfig {
         applicationId "com.sudo.androidd20"
         minSdk 23
@@ -32,9 +37,9 @@ android {
 }
 
 dependencies {
-
-    implementation 'androidx.core:core-ktx:1.7.0'
-    implementation 'androidx.appcompat:appcompat:1.4.2'
+    implementation 'com.google.android.gms:play-services-location:20.0.0'
+    implementation 'androidx.core:core-ktx:1.8.0'
+    implementation 'androidx.appcompat:appcompat:1.5.0'
     implementation 'com.google.android.material:material:1.6.1'
     implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
     testImplementation 'junit:junit:4.13.2'

app/src/main/AndroidManifest.xml

@@ -3,6 +3,11 @@
     xmlns:tools="http://schemas.android.com/tools"
     package="com.sudo.androidd20">
 
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
+    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
+
+
     <application
         android:allowBackup="true"
         android:dataExtractionRules="@xml/data_extraction_rules"

app/src/main/java/com/sudo/androidd20/BatteryReceiver.kt

@@ -0,0 +1,15 @@
+package com.sudo.androidd20
+
+import android.content.BroadcastReceiver
+import android.content.Context
+import android.content.Intent
+import android.os.BatteryManager
+
+class BatteryReceiver(val callback:(capacity: Int)-> Unit) : BroadcastReceiver() {
+    override fun onReceive(context: Context?, intent: Intent?) {
+        val capacity = intent?.getIntExtra(BatteryManager.EXTRA_LEVEL,-1)
+        capacity?.let { callback(it) }
+    }
+
+}
+

app/src/main/java/com/sudo/androidd20/MainActivity.kt

@@ -1,11 +1,55 @@
 package com.sudo.androidd20
 
+import android.content.Intent
+import android.content.IntentFilter
+import android.content.pm.PackageManager
 import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
+import androidx.core.app.ActivityCompat
+import com.google.android.gms.location.FusedLocationProviderClient
+import com.google.android.gms.location.LocationServices
+import com.sudo.androidd20.databinding.ActivityMainBinding
+
 
 class MainActivity : AppCompatActivity() {
+    private lateinit var binding: ActivityMainBinding
+    private lateinit var fusedLocationProviderClient: FusedLocationProviderClient
+
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
-        setContentView(R.layout.activity_main)
+        binding = ActivityMainBinding.inflate(layoutInflater)
+        fusedLocationProviderClient = LocationServices.getFusedLocationProviderClient(this)
+        binding.btnGet.setOnClickListener{
+            fetchLocation()
+        }
+        val mBatteryReceiver = BatteryReceiver {
+            binding.tvBattery.text = it.toString() + "%"
+        }
+        registerReceiver(mBatteryReceiver, IntentFilter(Intent.ACTION_BATTERY_CHANGED))
+        setContentView(binding.root)
+    }
+
+
+
+    private fun fetchLocation(){
+        val task = fusedLocationProviderClient.lastLocation
+        if(ActivityCompat.checkSelfPermission(
+                this,
+                android.Manifest.permission.ACCESS_FINE_LOCATION
+        ) != PackageManager.PERMISSION_GRANTED
+        ){
+            ActivityCompat.requestPermissions(
+                this,
+                arrayOf(android.Manifest.permission.ACCESS_FINE_LOCATION),
+                1
+            )
+            return
+        }
+        task.addOnCompleteListener {
+            val location = "Latitude: ${it.result.latitude} Longitude: ${it.result.longitude}"
+            if(it != null) binding.tvLocation.text = location
+        }
     }
+
 }

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

@@ -1,18 +1,42 @@
 <?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     tools:context=".MainActivity">
 
+    <Button
+        android:id="@+id/btnGet"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="GET"
+        android:layout_centerHorizontal="true"
+        android:layout_centerVertical="true"
+        />
+
+
     <TextView
+        android:id="@+id/tvLocation"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:text="Hello World!"
+        android:text="Location"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
+        app:layout_constraintTop_toTopOf="parent"
+        android:layout_centerHorizontal="true"
+        android:layout_below="@+id/btnGet"
+        android:textSize="30dp"/>
+
+    <TextView
+        android:id="@+id/tvBattery"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Battery"
+        android:layout_below="@id/tvLocation"
+        android:layout_centerHorizontal="true"
+        android:textSize="30dp"
+        />
 
-</androidx.constraintlayout.widget.ConstraintLayout>
+</RelativeLayout>