Updated some comments and added javadocs

git-svn-id: https://android-motion-detection.googlecode.com/svn/trunk@24 996b93ed-3e4d-4b21-1044-74bd19560d1d

create_javadocs.sh

@@ -0,0 +1,3 @@
+#1/bin/bash
+
+javadoc -author -linkoffline http://d.android.com/reference file:/usr/local/android-sdk-linux_86/docs/reference -classpath /usr/local/android-sdk-linux_86/platforms/android-4/android.jar -d javadocs/ -sourcepath `find . -name *.java`

src/com/jwetherell/motion_detection/data/GlobalData.java

@@ -7,7 +7,7 @@
  * 
  * @author Justin Wetherell <[email protected]>
  */
-public class GlobalData {
+public abstract class GlobalData {
     private GlobalData() { };
 
     private static final AtomicBoolean phoneInMotion = new AtomicBoolean(false);

src/com/jwetherell/motion_detection/data/Preferences.java

@@ -6,7 +6,9 @@
  * 
  * @author Justin Wetherell <[email protected]>
  */
-public class Preferences {	
+public abstract class Preferences {	
+    private Preferences() { }
+
 	//Which motion detection to use
 	public static boolean USE_RGB = true;
 	public static boolean USE_LUMA = false;

src/com/jwetherell/motion_detection/image/ImageProcessing.java

@@ -27,7 +27,7 @@ private ImageProcessing() { }
 	/**
 	 * Get RGB values from pixel.
 	 * @param pixel Integer representation of a pixel.
-	 * @return
+	 * @return float array of a,r,g,b values.
 	 */
 	public static float[] getARGB(int pixel) {
     	int a = (pixel >> 24) & 0xff;
@@ -212,7 +212,7 @@ public static Bitmap rotate(Bitmap bmp, int degrees) {
 
 	/**
 	 * Rotate the given image in byte array format by the given degrees.
-	 * @param bmp Bitmap to rotate.
+	 * @param data Bitmap to rotate in byte array form.
 	 * @param degrees Degrees to rotate.
 	 * @return Byte array format of an image which was rotated.
 	 */