Added Compass capability, QR scanning (requires zxing to be installed),

and main search screen.
Added comments at the top of all files.
TODO: Fix formatting, add locations to server, add photos of locations,
implement database functionality, fix all other TODO's.

UNCCScavenger/src/edu/uncc/scavenger/CompassActivity.java

@@ -0,0 +1,161 @@
+package edu.uncc.scavenger;
+
+/*
+ * Bradlee Speice, Brandon Rodenmayer
+ * ITIS 4180
+ * UNCCScavenger (NinerFinder)
+ * CompassActivity.java
+ */
+/* References:
+ * stackoverflow.com/questions/4308262/calculate-compass-bearing-heading-to-location-in-android
+ * stackoverflow.com/questions/5479753/using-orientation-sensor-to-point-towards-a-specific-location
+ */
+
+import android.app.Activity;
+import android.content.Context;
+import android.hardware.Sensor;
+import android.hardware.SensorEvent;
+import android.hardware.SensorEventListener;
+import android.hardware.SensorManager;
+import android.location.Location;
+import android.location.LocationManager;
+import android.os.Bundle;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.widget.Button;
+import android.widget.ImageView;
+
+public class CompassActivity extends Activity implements SensorEventListener
+{
+	ImageView compass, arrowView;
+	Button backButton;
+	SensorManager sManager;
+	Sensor aSensor, mSensor;
+	float[] compassValues = new float[3];
+	float[] rotation =  new float[16];
+	float[] rotated = new float[16];
+	float[] inclination = new float[16];
+	float[] gravity = new float[3];
+	float[] magneticField = new float[3];
+	float[] coordinates = new float[3];
+	LocationManager locationManager;
+	DirectionListener locationListener;
+	Location searchLocation;
+	Location testLocation = new Location(LocationManager.NETWORK_PROVIDER);
+	
+	@Override
+	protected void onCreate(Bundle savedInstanceState) {
+		super.onCreate(savedInstanceState);
+		setContentView(R.layout.activity_compass);
+
+		arrowView = (ImageView)findViewById(R.id.arrowView);
+		compass = (ImageView)findViewById(R.id.compassRose);
+		
+		/*Test Values 
+		testLocation.setLatitude(35.30719258);//woodward eagle
+		testLocation.setLongitude(-80.73505447);
+		testLocation.setLatitude(35.310043);//Bottom of Student Union bridge
+		testLocation.setLongitude(-80.733734);*/
+		
+		searchLocation = new Location(LocationManager.NETWORK_PROVIDER);
+		searchLocation.setLatitude(getIntent().getDoubleExtra("searchLat", 0)); 
+		searchLocation.setLongitude(getIntent().getDoubleExtra("searchLong", 0));
+		
+		locationManager = (LocationManager)getSystemService(Context.LOCATION_SERVICE);
+		locationListener = new DirectionListener(searchLocation);
+		locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 5000, 10, locationListener);
+		
+		sManager = (SensorManager)getSystemService(Context.SENSOR_SERVICE);
+		aSensor = sManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);
+		mSensor = sManager.getDefaultSensor(Sensor.TYPE_MAGNETIC_FIELD);
+		
+		backButton = (Button)findViewById(R.id.backButton);
+		backButton.setOnClickListener(new OnClickListener(){
+
+			@Override
+			public void onClick(View v) {
+				finish();
+			}
+		});
+	}
+
+	@Override
+	protected void onResume()
+	{
+		super.onResume();
+		sManager.registerListener(this, aSensor, SensorManager.SENSOR_DELAY_GAME);
+		sManager.registerListener(this, mSensor, SensorManager.SENSOR_DELAY_GAME);
+	}
+	
+	@Override
+	protected void onPause()
+	{
+		super.onPause();
+		sManager.unregisterListener(this);
+	}
+	
+	@Override
+	public boolean onCreateOptionsMenu(Menu menu) {
+
+		// Inflate the menu; this adds items to the action bar if it is present.
+		getMenuInflater().inflate(R.menu.main, menu);
+		return true;
+	}
+
+	@Override
+	public boolean onOptionsItemSelected(MenuItem item) {
+		// Handle action bar item clicks here. The action bar will
+		// automatically handle clicks on the Home/Up button, so long
+		// as you specify a parent activity in AndroidManifest.xml.
+		int id = item.getItemId();
+		if (id == R.id.action_settings) {
+			return true;
+		}
+		return super.onOptionsItemSelected(item);
+	}
+
+	@Override
+	public void onSensorChanged(SensorEvent event) 
+	{
+		//Check sensor that changed
+		int type = event.sensor.getType();
+		if(type == Sensor.TYPE_ACCELEROMETER)
+		{
+			gravity = event.values;
+		}
+		else if(type == Sensor.TYPE_MAGNETIC_FIELD)
+		{
+			magneticField = event.values;
+		}
+		else
+		{
+			return;
+		}
+		
+		//Compute compass  orientation values
+		SensorManager.getInclination(inclination);
+		SensorManager.getRotationMatrix(rotation, inclination, gravity, magneticField);
+		SensorManager.getOrientation(rotation, compassValues);
+		
+		//Calculate true north and angle to desired location
+		//float azimuth = (float) (Math.toDegrees(compassValues[0]));
+		float trueHeading = (float)(Math.toDegrees(compassValues[0]) + locationListener.getDeclination());
+		//Calculate bearing to search location
+		float rotateArrow = (float) (trueHeading - locationListener.getBearing());
+		
+		//Rotate compass and arrow. Rotations must be opposite to counteract device movement
+		compass.setRotation((long)(-1 * trueHeading));
+		arrowView.setRotation((long)(-1 * rotateArrow));
+		
+		//TODO
+		//If within 5 to 10 meters, display image of search
+	}
+
+	@Override
+	public void onAccuracyChanged(Sensor sensor, int accuracy) {
+		// TODO Auto-generated method stub
+		
+	}
+}

UNCCScavenger/src/edu/uncc/scavenger/DirectionListener.java

@@ -0,0 +1,82 @@
+package edu.uncc.scavenger;
+
+/*
+ * Bradlee Speice, Brandon Rodenmayer
+ * ITIS 4180
+ * UNCCScavenger (NinerFinder)
+ * DirectionListener.java
+ */
+
+import android.hardware.GeomagneticField;
+import android.location.Location;
+import android.location.LocationListener;
+import android.os.Bundle;
+import android.widget.TextView;
+
+public class DirectionListener implements LocationListener 
+{
+	GeomagneticField geoField;
+	Location toGo;
+	float bearing;
+	float distance;
+	
+	public DirectionListener(Location toGo)
+	{
+		this.toGo = toGo;
+		this.bearing = 0;
+		this.distance = 0;
+	}
+	
+	@Override
+	public void onLocationChanged(Location location) 
+	{
+		//String lat = ""+location.getLatitude();
+		//String lon = ""+location.getLongitude();
+		
+		geoField = new GeomagneticField(
+				(float)location.getLatitude(),
+				(float)location.getLongitude(),
+				(float)location.getAltitude(),
+				System.currentTimeMillis()
+		);
+		
+		bearing = location.bearingTo(toGo);
+		distance = location.distanceTo(toGo);
+	}
+
+	@Override
+	public void onStatusChanged(String provider, int status, Bundle extras) {
+		// TODO Auto-generated method stub
+		
+	}
+
+	@Override
+	public void onProviderEnabled(String provider) {
+		// TODO Auto-generated method stub
+		
+	}
+
+	@Override
+	public void onProviderDisabled(String provider) {
+		// TODO Auto-generated method stub
+		
+	}
+
+	public float getBearing()
+	{
+		return bearing;
+	}
+	
+	public float getDeclination()
+	{
+		if(geoField!=null)
+			return geoField.getDeclination();
+		else
+			return 0;
+	}
+	
+	public float getDistance()
+	{
+		return distance;
+	}
+}

UNCCScavenger/src/edu/uncc/scavenger/FoundActivity.java

@@ -0,0 +1,78 @@
+package edu.uncc.scavenger;
+
+/*
+ * Bradlee Speice, Brandon Rodenmayer
+ * ITIS 4180
+ * UNCCScavenger (NinerFinder)
+ * FoundActivity.java
+ */
+
+import android.app.Activity;
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.widget.Button;
+import android.widget.TextView;
+
+public class FoundActivity extends Activity {
+
+	TextView numberFoundText;
+	Button seeMoreButton, tryMoreButton;
+	Intent intent;
+	
+	@Override
+	protected void onCreate(Bundle savedInstanceState) {
+		super.onCreate(savedInstanceState);
+		setContentView(R.layout.activity_found);
+
+		numberFoundText = (TextView)findViewById(R.id.numberFoundText);
+		seeMoreButton = (Button)findViewById(R.id.seeMoreButton);
+		tryMoreButton = (Button)findViewById(R.id.tryMoreButton);
+		
+		seeMoreButton.setOnClickListener(new OnClickListener(){
+
+			@Override
+			public void onClick(View v) {
+				//TODO
+				//Get more information address and open web browser
+				
+			}
+		});
+		tryMoreButton.setOnClickListener(new OnClickListener(){
+
+			@Override
+			public void onClick(View v) {
+				intent = new Intent(getApplicationContext(), MainActivity.class);
+				startActivity(intent);
+				finish();
+			}
+		});
+		
+		//TODO
+		//Add found location to database
+	}
+
+	@Override
+	public boolean onCreateOptionsMenu(Menu menu) {
+
+		// Inflate the menu; this adds items to the action bar if it is present.
+		getMenuInflater().inflate(R.menu.found, menu);
+		return true;
+	}
+
+	@Override
+	public boolean onOptionsItemSelected(MenuItem item) {
+		// Handle action bar item clicks here. The action bar will
+		// automatically handle clicks on the Home/Up button, so long
+		// as you specify a parent activity in AndroidManifest.xml.
+		int id = item.getItemId();
+		if (id == R.id.action_settings) {
+			return true;
+		}
+		return super.onOptionsItemSelected(item);
+	}
+}

UNCCScavenger/src/edu/uncc/scavenger/MainActivity.java

@@ -1,12 +1,22 @@
 package edu.uncc.scavenger;
 
+/*
+ * Bradlee Speice, Brandon Rodenmayer
+ * ITIS 4180
+ * UNCCScavenger (NinerFinder)
+ * MainActivity.java
+ */
+
 import java.util.List;
 
 import android.app.Activity;
+import android.content.Intent;
 import android.os.Bundle;
 import android.view.Menu;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.AdapterView;
+import android.widget.AdapterView.OnItemClickListener;
 import android.widget.BaseAdapter;
 import android.widget.ImageView;
 import android.widget.ListView;
@@ -18,18 +28,43 @@ import edu.uncc.scavenger.rest.RestLocation;
 public class MainActivity extends Activity {
 	
 	ListView locationList;
+	List<RestLocation> locations;
 
 	@Override
 	protected void onCreate(Bundle savedInstanceState) {
 		super.onCreate(savedInstanceState);
 		setContentView(R.layout.activity_main);
 		
+		/*Test Code
+		RestLocation location = new RestLocation();
+		location.setId(1);
+		location.setName("Bridge");
+		location.setRiddle("Riddle");
+		location.setLocationLong(-80.733734);
+		location.setLocationLat(35.310043);
+		location.setKey("Key");
+		Intent intent = new Intent(getApplicationContext(), SearchActivity.class);
+		intent.putExtra("restLocation", location);
+		startActivity(intent);
+		finish();
+		/*End Test Code*/
+		
 		// Get our list of events loaded
 		locationList = (ListView)findViewById(R.id.listLocations);
-		List<RestLocation> locations = LocationDatabaseHelper.getInstance(this).fetchAll();
+		locations = LocationDatabaseHelper.getInstance(this).fetchAll();
 		if (locations != null && locations.size() > 0) {
 			LocationAdapter mLocationAdapter = new LocationAdapter(locations);
 			locationList.setAdapter(mLocationAdapter);
+			locationList.setOnItemClickListener(new OnItemClickListener(){
+
+				@Override
+				public void onItemClick(AdapterView<?> parent, View view,
+						int position, long id) {
+					Intent intent = new Intent(getApplicationContext(), SearchActivity.class);
+					intent.putExtra("restLocation", locations.get(position));
+					startActivity(intent);
+				}
+			});
 		} else {
 			// We don't yet have any locations...
 			((TextView)findViewById(R.id.txtNoLocations)).setVisibility(View.VISIBLE);
@@ -54,6 +89,7 @@ public class MainActivity extends Activity {
 				LocationDatabaseHelper.getInstance(MainActivity.this).persistAll(result);
 			}
 		}.execute();
+		
 	}
 
 	@Override

UNCCScavenger/src/edu/uncc/scavenger/SearchActivity.java

@@ -0,0 +1,126 @@
+package edu.uncc.scavenger;
+
+/*
+ * Bradlee Speice, Brandon Rodenmayer
+ * ITIS 4180
+ * UNCCScavenger (NinerFinder)
+ * SearchActivity.java
+ */
+
+import edu.uncc.scavenger.rest.RestLocation;
+import android.app.Activity;
+import android.content.ActivityNotFoundException;
+import android.content.Intent;
+import android.net.Uri;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.widget.Button;
+import android.widget.ImageView;
+import android.widget.TextView;
+import android.widget.Toast;
+
+public class SearchActivity extends Activity {
+
+	ImageView locationImage;
+	Button compassButton, scanButton;
+	TextView riddleView;
+	Intent intent;
+	RestLocation restLocation;
+	
+	@Override
+	protected void onCreate(Bundle savedInstanceState) {
+		super.onCreate(savedInstanceState);
+		setContentView(R.layout.activity_search);
+		
+		locationImage = (ImageView)findViewById(R.id.locationImage);
+		compassButton = (Button)findViewById(R.id.compassButton);
+		scanButton = (Button)findViewById(R.id.scanButton);
+		riddleView = (TextView)findViewById(R.id.riddleView);
+		
+		//TODO
+		//Load picture
+		//Load riddle
+		//Load hints
+		
+		scanButton.setOnClickListener(new OnClickListener(){
+
+			@Override
+			public void onClick(View v) {
+				try{
+					intent = new Intent("com.google.zxing.client.android.SCAN");
+					intent.putExtra("SCAN_MODE", "SCAN_MODE");
+					intent.putExtra("SAVE_HISTORY", false);
+					startActivityForResult(intent, 0);
+				}
+				catch(ActivityNotFoundException e){
+					//Does not work on an emulator because there is no access to the market
+					Uri marketUri = Uri.parse("market://details?id=com.google.zxing.client.android");
+					Intent marketIntent = new Intent(Intent.ACTION_VIEW, marketUri);
+					startActivity(marketIntent);
+				}
+			}
+		});
+		compassButton.setOnClickListener(new OnClickListener(){
+
+			@Override
+			public void onClick(View v) {
+				intent = new Intent(getApplicationContext(), CompassActivity.class);
+				intent.putExtra("searchLat", restLocation.getLocationLat());
+				intent.putExtra("searchLong", restLocation.getLocationLong());
+				startActivity(intent);
+			}
+		});
+		
+		restLocation = (RestLocation)(getIntent().getSerializableExtra("restLocation"));
+		Log.d("restLocation", restLocation.getName());
+	}
+
+	@Override
+	public boolean onCreateOptionsMenu(Menu menu) {
+
+		// Inflate the menu; this adds items to the action bar if it is present.
+		getMenuInflater().inflate(R.menu.search, menu);
+		return true;
+	}
+
+	@Override
+	public boolean onOptionsItemSelected(MenuItem item) {
+		// Handle action bar item clicks here. The action bar will
+		// automatically handle clicks on the Home/Up button, so long
+		// as you specify a parent activity in AndroidManifest.xml.
+		int id = item.getItemId();
+		if (id == R.id.action_settings) {
+			return true;
+		}
+		return super.onOptionsItemSelected(item);
+	}
+	
+	@Override
+    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+        super.onActivityResult(requestCode, resultCode, data);
+        if (requestCode == 0) {
+            if (resultCode == RESULT_OK)
+            {
+            	String contents = data.getStringExtra("SCAN_RESULT"); 
+                if(contents.equals(restLocation.getName()))
+                {
+                	intent = new Intent(getApplicationContext(), FoundActivity.class);
+                	startActivity(intent);
+                	finish();
+                }
+                else
+                {
+                	Toast.makeText(getApplicationContext(), "Incorrect url found: "+contents, Toast.LENGTH_SHORT).show();
+                }
+            } 
+            else if (resultCode == RESULT_CANCELED) 
+            {
+            	Toast.makeText(getApplicationContext(), "Error scanning code", Toast.LENGTH_SHORT).show();
+            }
+        }
+    }
+}

UNCCScavenger/src/edu/uncc/scavenger/database/LocationDatabaseHelper.java

@@ -1,5 +1,12 @@
 package edu.uncc.scavenger.database;
 
+/*
+ * Bradlee Speice, Brandon Rodenmayer
+ * ITIS 4180
+ * UNCCScavenger (NinerFinder)
+ * LocationDatabaseHelper.java
+ */
+
 // Design pattern from: http://www.androiddesignpatterns.com/2012/05/correctly-managing-your-sqlite-database.html
 
 import java.util.ArrayList;

UNCCScavenger/src/edu/uncc/scavenger/rest/LocationClient.java

@@ -1,5 +1,12 @@
 package edu.uncc.scavenger.rest;
 
+/*
+ * Bradlee Speice, Brandon Rodenmayer
+ * ITIS 4180
+ * UNCCScavenger (NinerFinder)
+ * LocationClient.java
+ */
+
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;

UNCCScavenger/src/edu/uncc/scavenger/rest/LocationService.java

@@ -1,5 +1,12 @@
 package edu.uncc.scavenger.rest;
 
+/*
+ * Bradlee Speice, Brandon Rodenmayer
+ * ITIS 4180
+ * UNCCScavenger (NinerFinder)
+ * LocationService.java
+ */
+
 import java.util.List;
 import java.util.Map;
 

UNCCScavenger/src/edu/uncc/scavenger/rest/RestLocation.java

@@ -1,8 +1,17 @@
 package edu.uncc.scavenger.rest;
 
+/*
+ * Bradlee Speice, Brandon Rodenmayer
+ * ITIS 4180
+ * UNCCScavenger (NinerFinder)
+ * RestLocation.java
+ */
+
+import java.io.Serializable;
+
 import android.location.Location;
 
-public class RestLocation {
+public class RestLocation implements Serializable{
 	
 	private int id;
 	private String name;