Use @RequiresPermission instead of @SuppressWarnings

-    @SuppressWarnings("MissingPermission")
+    @RequiresPermission(Manifest.permission.BLUETOOTH_CONNECT)

Author: cartland

bluetoothle/src/main/java/com/sample/android/bluetoothle/java/MainActivity.java

@@ -1,13 +1,15 @@
 package com.sample.android.bluetoothle.java;
 
-import androidx.appcompat.app.AppCompatActivity;
-
+import android.Manifest;
 import android.bluetooth.BluetoothAdapter;
 import android.bluetooth.BluetoothManager;
 import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
 
+import androidx.annotation.RequiresPermission;
+import androidx.appcompat.app.AppCompatActivity;
+
 import com.sample.android.bluetoothle.R;
 
 public class MainActivity extends AppCompatActivity {
@@ -19,7 +21,7 @@ protected void onCreate(Bundle savedInstanceState) {
         setContentView(R.layout.activity_main);
     }
 
-    @SuppressWarnings("MissingPermission")
+    @RequiresPermission(Manifest.permission.BLUETOOTH_CONNECT)
     private void setUpBLE() {
         // [START get_bluetooth_adapter]
         // Initializes Bluetooth adapter.

bluetoothle/src/main/java/com/sample/android/bluetoothle/kotlin/DeviceScanActivity.kt

@@ -16,11 +16,13 @@
 
 package com.sample.android.bluetoothle.kotlin
 
+import android.Manifest
 import android.app.ListActivity
 import android.bluetooth.BluetoothAdapter
 import android.bluetooth.le.ScanCallback
 import android.bluetooth.le.ScanResult
 import android.os.Handler
+import androidx.annotation.RequiresPermission
 import com.sample.android.bluetoothle.java.LeDeviceListAdapter
 
 /**
@@ -47,7 +49,7 @@ class DeviceScanActivity : ListActivity() {
     // Stops scanning after 10 seconds.
     private val SCAN_PERIOD: Long = 10000
 
-    @SuppressWarnings("MissingPermission")
+    @RequiresPermission(Manifest.permission.BLUETOOTH_SCAN)
     private fun scanLeDevice() {
         if (!mScanning) { // Stops scanning after a pre-defined scan period.
             handler.postDelayed({

bluetoothle/src/main/java/com/sample/android/bluetoothle/kotlin/MainActivity.kt

@@ -16,11 +16,13 @@
 
 package com.sample.android.bluetoothle.kotlin
 
+import android.Manifest
 import android.bluetooth.BluetoothAdapter
 import android.bluetooth.BluetoothManager
 import android.content.Context
 import android.content.Intent
 import android.os.Bundle
+import androidx.annotation.RequiresPermission
 import androidx.appcompat.app.AppCompatActivity
 
 class MainActivity : AppCompatActivity() {
@@ -31,7 +33,7 @@ class MainActivity : AppCompatActivity() {
         super.onCreate(savedInstanceState)
     }
 
-    @SuppressWarnings("MissingPermission")
+    @RequiresPermission(Manifest.permission.BLUETOOTH_CONNECT)
     private fun setUpBLE() {
         // [START get_bluetooth_adapter]
         // Initializes Bluetooth adapter.