how to solve this issue on android studio using java coding connecting to bluetooth.

AndroidivianTeslix MainActivitydava > activity_main.x! @Override protected void onCreate (Bundle savedInstances super.onCreate (savedInstanceState); mbanity main); Cannot resolve method 'onCreate(android.os.Bundle)' mStatusBluelv = findViewById(R.id. statusB mPairedty findViewById(R.id. pairedt mBlueIv findViewById(R.id.bluetoo mOnBtn findViewById(R.id. onBtn); moffBtn findViewById(R.id. offBtn) mDiscoverBtn findViewById(R.id. discove! mPairedBtn findViewById(R.id. pairedB Edeten mBlueAdapter = BluetoothAdapter.getDefault chec bluetooth 15 available a no if (mBlueAdapter == null) { mStatusBlueTv.setText ("Bluetooth is no MainActivity onCreate() AndroidivianTeslix MainActivitydava > activity_main.x! @Override protected void onCreate (Bundle savedInstances super.onCreate (savedInstanceState); mbanity main); Cannot resolve method 'onCreate(android.os.Bundle)' mStatusBluelv = findViewById(R.id. statusB mPairedty findViewById(R.id. pairedt mBlueIv findViewById(R.id.bluetoo mOnBtn findViewById(R.id. onBtn); moffBtn findViewById(R.id. offBtn) mDiscoverBtn findViewById(R.id. discove! mPairedBtn findViewById(R.id. pairedB Edeten mBlueAdapter = BluetoothAdapter.getDefault chec bluetooth 15 available a no if (mBlueAdapter == null) { mStatusBlueTv.setText ("Bluetooth is no MainActivity onCreate()