1 files changed, 54 insertions, 11 deletions

diff --git a/Defogger/src/no/mork/android/defogger/MainActivity.java b/Defogger/src/no/mork/android/defogger/MainActivity.java
index 69682ad..e3c1de3 100644
--- a/Defogger/src/no/mork/android/defogger/MainActivity.java
+++ b/Defogger/src/no/mork/android/defogger/MainActivity.java
@@ -1,7 +1,11 @@
 package no.mork.android.defogger;
 
 import android.app.Activity;
+import android.bluetooth.BluetoothAdapter;
+import android.bluetooth.BluetoothManager;
+import android.content.Context;
 import android.content.Intent;
+import android.content.pm.PackageManager;
 import android.os.Bundle;
 import android.view.View;
 import android.widget.Button;
@@ -10,6 +14,10 @@ import android.widget.TextView;
 import no.mork.android.defogger.ScannerActivity;
 
 public class MainActivity extends Activity {
+
+    private static final int REQUEST_ENABLE_BT = 0x1042;
+    private BluetoothAdapter bluetoothAdapter;
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
 	super.onCreate(savedInstanceState);
@@ -18,30 +26,65 @@ public class MainActivity extends Activity {
 	Button start_scan = (Button) findViewById(R.id.start_scan);
 	//      button2 = (Button) findViewById(R.id.button2);
 	
-	
 	start_scan.setOnClickListener(new View.OnClickListener() {
 		@Override
 		public void onClick(View view) {
 		    Intent intent = new Intent(view.getContext(), ScannerActivity.class);
-		    startActivityForResult(intent, 1);
+		    startActivityForResult(intent, R.id.hello_text);
   		}
             });
 	
     }
 
     @Override
+    protected void onResume() {
+        super.onResume();
+
+	getBluetoothAdapter();
+    }
+
+ 
+    @Override
     protected void onActivityResult(int requestCode, int resultCode, Intent dataIntent) {
         super.onActivityResult(requestCode, resultCode, dataIntent);
+	switch (requestCode) {
+	case REQUEST_ENABLE_BT:
+	    if (resultCode != RESULT_OK) { // user refused to enable BT?
+		// logError("BT disabled.");
+		finish();
+	    }	    
+		
+	    break;
+	default:
+	    TextView hello_text = (TextView) findViewById(requestCode);
+	    String messageReturn = resultCode == RESULT_OK ? dataIntent.getStringExtra("scan_ret") : "not OK";
+	    hello_text.setText(messageReturn);
+	}
+    }
 
-        switch (requestCode)
-        {
-            case 1:
-		TextView hello_text = (TextView) findViewById(R.id.hello_text);
-                if(resultCode == RESULT_OK)
-                {
-                    String messageReturn = dataIntent.getStringExtra("scan_ret");
-		    hello_text.setText(messageReturn);
-		}
+    // find and enable a bluetooth adapter with LE support
+    protected void getBluetoothAdapter() {
+	final BluetoothManager bluetoothManager = (BluetoothManager) getSystemService(Context.BLUETOOTH_SERVICE);
+	bluetoothAdapter = bluetoothManager.getAdapter();
+
+ 	
+	// Bluetooth is not supported?
+	if (bluetoothAdapter == null) {
+	    // logError("BT unsupported.");
+            finish();
+	}	    
+	    
+       // Check low energy support
+        if (!getPackageManager().hasSystemFeature(PackageManager.FEATURE_BLUETOOTH_LE)) {
+            // Get a newer device
+            // logError("No LE Support.");
+            finish();
         }
+
+	// Request user permission to enable Bluetooth.
+	if (!bluetoothAdapter.isEnabled()) {
+	    Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
+	    startActivityForResult(enableBtIntent, REQUEST_ENABLE_BT);
+	}
     }
 }