Initial commit

2016-03-13 22:59:33 -04:30
commit 0a593484b4
61 changed files with 2067 additions and 0 deletions
--- a/app/src/main/java/com/example/masa/massiveattendancescannerapplication/ScanActivity.java
+++ b/app/src/main/java/com/example/masa/massiveattendancescannerapplication/ScanActivity.java
@@ -0,0 +1,111 @@
+package com.example.masa.massiveattendancescannerapplication;
+
+
+import android.app.Activity;
+import android.bluetooth.BluetoothAdapter;
+import android.bluetooth.BluetoothDevice;
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.os.Bundle;
+import android.view.View;
+import android.widget.ArrayAdapter;
+import android.widget.Button;
+import android.widget.ListView;
+import android.widget.TextView;
+import android.widget.Toast;
+
+public class ScanActivity extends Activity {
+
+    private static final int REQUEST_ENABLE_BT = 1;
+
+    ListView listDevicesFound;
+    Button btnScanDevice;
+    TextView stateBluetooth;
+    BluetoothAdapter bluetoothAdapter;
+
+    ArrayAdapter<String> btArrayAdapter;
+
+    /** Called when the activity is first created. */
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_scan);
+
+        btnScanDevice = (Button)findViewById(R.id.scandevice);
+
+        stateBluetooth = (TextView)findViewById(R.id.bluetoothstate);
+        bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
+
+        listDevicesFound = (ListView)findViewById(R.id.devicesfound);
+        btArrayAdapter = new ArrayAdapter<String>(ScanActivity.this, android.R.layout.simple_list_item_1);
+        listDevicesFound.setAdapter(btArrayAdapter);
+
+        CheckBlueToothState();
+
+        btnScanDevice.setOnClickListener(btnScanDeviceOnClickListener);
+
+        registerReceiver(ActionFoundReceiver,
+                new IntentFilter(BluetoothDevice.ACTION_FOUND));
+    }
+
+    @Override
+    protected void onDestroy() {
+        // TODO Auto-generated method stub
+        super.onDestroy();
+        unregisterReceiver(ActionFoundReceiver);
+    }
+
+    private void CheckBlueToothState(){
+        if (bluetoothAdapter == null){
+            stateBluetooth.setText("Bluetooth NOT supported");
+        }else{
+            if (bluetoothAdapter.isEnabled()){
+                if(bluetoothAdapter.isDiscovering()){
+                    stateBluetooth.setText("Bluetooth is currently in device discovery process.");
+                }else{
+                    stateBluetooth.setText("Bluetooth is Enabled.");
+                    btnScanDevice.setEnabled(true);
+                }
+            }else{
+                stateBluetooth.setText("Bluetooth is NOT Enabled!");
+                Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
+                startActivityForResult(enableBtIntent, REQUEST_ENABLE_BT);
+            }
+        }
+    }
+
+    private Button.OnClickListener btnScanDeviceOnClickListener
+            = new Button.OnClickListener(){
+
+        @Override
+        public void onClick(View arg0) {
+            // TODO Auto-generated method stub
+            btArrayAdapter.clear();
+            bluetoothAdapter.startDiscovery();
+        }};
+
+    @Override
+    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+        // TODO Auto-generated method stub
+        if(requestCode == REQUEST_ENABLE_BT){
+            CheckBlueToothState();
+        }
+    }
+
+    private final BroadcastReceiver ActionFoundReceiver = new BroadcastReceiver(){
+
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            // TODO Auto-generated method stub
+            String action = intent.getAction();
+            if(BluetoothDevice.ACTION_FOUND.equals(action)) {
+                BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
+                Toast.makeText(getApplicationContext(), "FOUND THEM!", Toast.LENGTH_SHORT).show();
+                btArrayAdapter.add(device.getName() + "\n" + device.getAddress());
+                btArrayAdapter.notifyDataSetChanged();
+            }
+        }};
+
+}