Merge pull request #236 from myofficework000/broadcast_receivers

Added two new broadcast receivers

app/src/main/AndroidManifest.xml

@@ -5,12 +5,16 @@
     <uses-feature
         android:name="android.hardware.camera"
         android:required="false" />
+    <uses-feature
+        android:name="android.hardware.telephony"
+        android:required="false" />
 
     <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
     <uses-permission android:name="android.permission.DOWNLOAD_WITHOUT_NOTIFICATION" />
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.RECEIVE_SMS"/>
     <uses-permission
         android:name="android.permission.READ_MEDIA_IMAGES"
         android:minSdkVersion="33" />

app/src/main/java/com/example/jetpack_compose_all_in_one/application_components/broadcastreceiver/BroadCastReceiver.kt

@@ -4,10 +4,12 @@ import android.bluetooth.BluetoothAdapter
 import android.content.Intent
 import android.content.IntentFilter
 import android.net.wifi.WifiManager
+import android.provider.Telephony
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.padding
+import androidx.compose.material3.Button
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.DisposableEffect
 import androidx.compose.runtime.mutableStateOf
@@ -19,7 +21,9 @@ import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.tooling.preview.Preview
 import com.example.jetpack_compose_all_in_one.R
 import com.example.jetpack_compose_all_in_one.application_components.broadcastreceiver.airplanemode.AirplaneModeReceiver
+import com.example.jetpack_compose_all_in_one.application_components.broadcastreceiver.batterybroadcast.BatteryBroadcast
 import com.example.jetpack_compose_all_in_one.application_components.broadcastreceiver.bluetooth.BluetoothReceiver
+import com.example.jetpack_compose_all_in_one.application_components.broadcastreceiver.smsrecevier.SmsBroadcast
 import com.example.jetpack_compose_all_in_one.application_components.broadcastreceiver.wifi.WifiReceiver
 import com.example.jetpack_compose_all_in_one.ui.components.LessonHeader
 import com.example.jetpack_compose_all_in_one.ui.theme.dp_15
@@ -30,7 +34,7 @@ private fun BroadCastReceiverContent() {
     val currentPage = rememberSaveable { mutableStateOf(0) }
 
     LogicPager(
-        pageCount = 3,
+        pageCount = 5,
         currentPage = currentPage
     ) {
         Column(
@@ -50,6 +54,8 @@ private fun BroadCastReceiverContent() {
                 0 -> BluetoothComponent()
                 1 -> AirplaneModeComponent()
                 2 -> WifiComponent()
+                3 -> SmsReceivedComponent()
+                4 -> BatteryReceivedComponent()
             }
         }
     }
@@ -108,4 +114,34 @@ fun AirplaneModeComponent() {
         }
     }
 
+}
+
+@Composable
+fun SmsReceivedComponent() {
+    val context = LocalContext.current
+
+    DisposableEffect(Unit) {
+        val receiver = SmsBroadcast()
+        val intentFilter = IntentFilter(Telephony.Sms.Intents.SMS_RECEIVED_ACTION)
+        context.registerReceiver(receiver, intentFilter)
+
+        onDispose {
+            context.unregisterReceiver(receiver)
+        }
+    }
+}
+
+@Composable
+fun BatteryReceivedComponent() {
+    val context = LocalContext.current
+
+    DisposableEffect(Unit) {
+        val receiver = BatteryBroadcast()
+        val intentFilter = IntentFilter(Intent.ACTION_BATTERY_CHANGED)
+        context.registerReceiver(receiver, intentFilter)
+
+        onDispose {
+            context.unregisterReceiver(receiver)
+        }
+    }
 }

app/src/main/java/com/example/jetpack_compose_all_in_one/application_components/broadcastreceiver/batterybroadcast/BatteryBroadcast.kt

@@ -0,0 +1,17 @@
+package com.example.jetpack_compose_all_in_one.application_components.broadcastreceiver.batterybroadcast
+
+import android.content.BroadcastReceiver
+import android.content.Context
+import android.content.Intent
+import android.os.BatteryManager
+import android.util.Log
+
+class BatteryBroadcast: BroadcastReceiver() {
+    override fun onReceive(context: Context?, intent: Intent?) {
+        val level = intent?.getIntExtra(BatteryManager.EXTRA_LEVEL, -1) ?: 1
+        val scale = intent?.getIntExtra(BatteryManager.EXTRA_SCALE, -1) ?: 1
+        val batteryPercentage = level * 100 / scale.toFloat()
+
+        Log.i("Battery Broadcast", "Your battery is at: $batteryPercentage %")
+    }
+}

app/src/main/java/com/example/jetpack_compose_all_in_one/application_components/broadcastreceiver/smsrecevier/SmsBroadcast.kt

@@ -0,0 +1,15 @@
+package com.example.jetpack_compose_all_in_one.application_components.broadcastreceiver.smsrecevier
+
+import android.content.BroadcastReceiver
+import android.content.Context
+import android.content.Intent
+import android.provider.Telephony
+import android.util.Log
+
+class SmsBroadcast: BroadcastReceiver() {
+    override fun onReceive(context: Context?, intent: Intent?) {
+        if (intent?.action == Telephony.Sms.Intents.SMS_RECEIVED_ACTION) {
+            Log.i("SMS Broadcast","You have received a SMS message")
+        }
+    }
+}

app/src/main/java/com/example/jetpack_compose_all_in_one/ui/views/main_ui/MainActivity.kt

@@ -65,8 +65,6 @@ class MainActivity : ComponentActivity() {
     private lateinit var fusedLocationClient: FusedLocationProviderClient
     private val locationCancelToken by lazy{ CancellationTokenSource() }
 
-
-
     @OptIn(ExperimentalAnimationApi::class)
     @SuppressLint("MissingPermission") // isLocationAllowed() checked this, but Lint doesn't know.
     override fun onCreate(savedInstanceState: Bundle?) {

app/src/main/java/com/example/jetpack_compose_all_in_one/utils/PermissionsUtils.kt

@@ -6,6 +6,8 @@ import android.content.pm.PackageManager
 import android.os.Build
 import androidx.compose.runtime.Composable
 import androidx.core.app.ActivityCompat
+import androidx.core.app.ActivityCompat.requestPermissions
+import androidx.core.content.ContextCompat.checkSelfPermission
 import com.google.accompanist.permissions.ExperimentalPermissionsApi
 import com.google.accompanist.permissions.rememberMultiplePermissionsState
 import com.google.accompanist.permissions.rememberPermissionState
@@ -65,4 +67,14 @@ fun requestCamera(isGranted: (Boolean) -> Unit) = rememberPermissionState(
 @Composable
 fun requestReadContacts(isGranted: (Boolean) -> Unit) = rememberPermissionState(
     Manifest.permission.READ_CONTACTS
+) { isGranted(it) }
+
+/*
+    implementation to check if sms permission is enabled so
+    broadcast can notify user if they received SMS
+*/
+@OptIn(ExperimentalPermissionsApi::class)
+@Composable
+fun isSmsPermissionEnabled(isGranted: (Boolean) -> Unit) = rememberPermissionState(
+    Manifest.permission.RECEIVE_SMS
 ) { isGranted(it) }

app/src/main/res/values/strings.xml

@@ -192,6 +192,8 @@
         <item>Broadcast Bluetooth</item>
         <item>Broadcast Airplane</item>
         <item>Broadcast Wifi</item>
+        <item>Broadcast Sms</item>
+        <item>Broadcast Battery</item>
     </string-array>
 
     <string-array name="content_provider_header_text">