Added alarm notification LED colour including costumizable colour setting (issue 384).

(Also some small crash fixes.)

README

@@ -34,4 +34,7 @@ Some code/libraries are used in the project:
   android-xmlrpc
     pskink et al. (Apache License, Version 2.0)
     http://code.google.com/p/android-xmlrpc/
+  android-ColorPickerPreference
+    Daniel Nilsson and Sergey Margaritov (Apache License, Version 2.0)
+    https://github.com/attenzione/android-ColorPickerPreference
 

android/res/layout-land/dialog_color_picker.xml

@@ -0,0 +1,76 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2010 Daniel Nilsson
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+  
+          http://www.apache.org/licenses/LICENSE-2.0
+  
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<LinearLayout 
+	xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+    android:paddingLeft="5dp"
+    android:paddingRight="5dp"
+    android:orientation="horizontal">
+		
+	<net.margaritov.preference.colorpicker.ColorPickerView
+		android:id="@+id/color_picker_view"
+		android:layout_width="wrap_content"
+		android:layout_height="wrap_content"
+		android:tag="landscape"
+	/>
+		
+	<LinearLayout
+		android:layout_width="wrap_content"
+		android:layout_height="wrap_content"
+		android:orientation="vertical"
+		android:layout_marginBottom="10dp">
+		
+		<TextView
+			android:layout_width="wrap_content" 
+			android:layout_height="wrap_content"	
+			android:text="@string/press_color_to_apply"
+			android:gravity="center"
+			android:layout_marginTop="6dp"
+			android:layout_marginLeft="6dp"
+			android:layout_marginRight="6dp"
+			android:layout_marginBottom="5dp"
+			android:textAppearance="?android:attr/textAppearanceSmall"
+		/>
+
+		<net.margaritov.preference.colorpicker.ColorPickerPanelView
+			android:id="@+id/old_color_panel"
+			android:layout_width="fill_parent"
+			android:layout_height="40dp"
+			android:layout_weight="0.5"
+		/>
+	
+		<TextView
+			android:layout_width="fill_parent"
+			android:layout_height="wrap_content"	
+			android:text="↓"
+			android:textSize="20sp"
+			android:gravity="center"
+			android:layout_marginTop="10dp"
+			android:layout_marginBottom="10dp"
+		/>
+	
+		<net.margaritov.preference.colorpicker.ColorPickerPanelView
+			android:id="@+id/new_color_panel"
+			android:layout_width="fill_parent"
+			android:layout_height="40dp"
+			android:layout_weight="0.5"
+		/>
+	
+	</LinearLayout>
+	
+</LinearLayout>

android/res/layout/dialog_color_picker.xml

@@ -0,0 +1,77 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2010 Daniel Nilsson
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+  
+          http://www.apache.org/licenses/LICENSE-2.0
+  
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<LinearLayout
+	xmlns:android="http://schemas.android.com/apk/res/android" 
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+    android:paddingLeft="5dp"
+    android:paddingRight="5dp"
+    android:orientation="vertical">
+		
+	<net.margaritov.preference.colorpicker.ColorPickerView
+		android:id="@+id/color_picker_view"
+		android:layout_width="wrap_content"
+		android:layout_height="wrap_content"
+		android:layout_centerHorizontal="true"
+		android:tag="portrait"
+	/>
+	
+	<TextView
+		android:layout_width="wrap_content"
+		android:layout_height="wrap_content"	
+		android:text="@string/press_color_to_apply"
+		android:gravity="left"
+		android:layout_marginLeft="6dp"
+		android:layout_marginRight="6dp"
+		android:layout_marginBottom="5dp"
+		android:textAppearance="?android:attr/textAppearanceSmall"
+	/>
+	
+	<LinearLayout
+		android:layout_width="wrap_content"
+		android:layout_height="40dp"
+		android:orientation="horizontal"
+		android:layout_below="@id/color_picker_view"
+		android:layout_marginBottom="10dp">
+
+		<net.margaritov.preference.colorpicker.ColorPickerPanelView
+			android:id="@+id/old_color_panel"
+			android:layout_width="0px"
+			android:layout_height="fill_parent"
+			android:layout_weight="0.5"
+		/>
+	
+		<TextView
+			android:layout_width="wrap_content"
+			android:layout_height="fill_parent"	
+			android:text="→"
+			android:textSize="20sp"
+			android:gravity="center"
+			android:layout_marginLeft="10dp"
+			android:layout_marginRight="10dp"
+		/>
+	
+		<net.margaritov.preference.colorpicker.ColorPickerPanelView
+			android:id="@+id/new_color_panel"
+			android:layout_width="0px"
+			android:layout_height="wrap_content"
+			android:layout_weight="0.5"
+		/>
+	
+	</LinearLayout>
+	
+</LinearLayout>

android/res/values/strings.xml

@@ -216,6 +216,8 @@
 <string name="pref_alarmsounduri_info">Notification sound to play with alarm</string>
 <string name="pref_alarmvibrate">Enable vibration</string>
 <string name="pref_alarmvibrate_info">Vibrate on alarm</string>
+<string name="pref_alarmcolour">Notification LED colour</string>
+<string name="pref_alarmcolour_info">If supported by your device</string>
 <string name="pref_checkrssfeeds">Check RSS feeds</string>
 <string name="pref_checkrssfeeds_info">Alarm when new torrents are available</string>
 <string name="pref_adwnotify">Enable ADW notifications</string>
@@ -324,6 +326,9 @@
 <string name="rss_loading_feed">Loading RSS feed</string>
 <string name="rss_no_items">Connected, but the RSS feed is empty</string>
 
+<string name="dialog_color_picker">Color Picker</string>
+<string name="press_color_to_apply">Press on Color to apply</string>    
+
 <string name="error_httperror">Error during communication with server</string>
 <string name="error_jsonrequesterror">Error building request</string>
 <string name="error_jsonresponseerror">Error parsing of server response (please check your settings)</string>

android/src/net/margaritov/preference/colorpicker/AlphaPatternDrawable.java

@@ -0,0 +1,128 @@
+/*
+ * Copyright (C) 2010 Daniel Nilsson
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.margaritov.preference.colorpicker;
+
+import android.graphics.Bitmap;
+import android.graphics.Bitmap.Config;
+import android.graphics.Canvas;
+import android.graphics.ColorFilter;
+import android.graphics.Paint;
+import android.graphics.Rect;
+import android.graphics.drawable.Drawable;
+
+/**
+ * This drawable that draws a simple white and gray chessboard pattern.
+ * It's pattern you will often see as a background behind a
+ * partly transparent image in many applications.
+ * @author Daniel Nilsson
+ */
+public class AlphaPatternDrawable extends Drawable {
+
+	private int mRectangleSize = 10;
+
+	private Paint mPaint = new Paint();
+	private Paint mPaintWhite = new Paint();
+	private Paint mPaintGray = new Paint();
+
+	private int numRectanglesHorizontal;
+	private int numRectanglesVertical;
+
+	/**
+	 * Bitmap in which the pattern will be cahched.
+	 */
+	private Bitmap		mBitmap;
+
+	public AlphaPatternDrawable(int rectangleSize) {
+		mRectangleSize = rectangleSize;
+		mPaintWhite.setColor(0xffffffff);
+		mPaintGray.setColor(0xffcbcbcb);
+	}
+
+	@Override
+	public void draw(Canvas canvas) {
+		canvas.drawBitmap(mBitmap, null, getBounds(), mPaint);
+	}
+
+	@Override
+	public int getOpacity() {
+		return 0;
+	}
+
+	@Override
+	public void setAlpha(int alpha) {
+		throw new UnsupportedOperationException("Alpha is not supported by this drawwable.");
+	}
+
+	@Override
+	public void setColorFilter(ColorFilter cf) {
+		throw new UnsupportedOperationException("ColorFilter is not supported by this drawwable.");
+	}
+
+	@Override
+	protected void onBoundsChange(Rect bounds) {
+		super.onBoundsChange(bounds);
+
+		int height = bounds.height();
+		int width = bounds.width();
+
+		numRectanglesHorizontal = (int) Math.ceil((width / mRectangleSize));
+		numRectanglesVertical = (int) Math.ceil(height / mRectangleSize);
+
+		generatePatternBitmap();
+
+	}
+
+	/**
+	 * This will generate a bitmap with the pattern
+	 * as big as the rectangle we were allow to draw on.
+	 * We do this to chache the bitmap so we don't need to
+	 * recreate it each time draw() is called since it
+	 * takes a few milliseconds.
+	 */
+	private void generatePatternBitmap(){
+
+		if(getBounds().width() <= 0 || getBounds().height() <= 0){
+			return;
+		}
+		
+		mBitmap = Bitmap.createBitmap(getBounds().width(), getBounds().height(), Config.ARGB_8888);
+		Canvas canvas = new Canvas(mBitmap);
+
+		Rect r = new Rect();
+		boolean verticalStartWhite = true;
+		for (int i = 0; i <= numRectanglesVertical; i++) {
+
+			boolean isWhite = verticalStartWhite;
+			for (int j = 0; j <= numRectanglesHorizontal; j++) {
+
+				r.top = i * mRectangleSize;
+				r.left = j * mRectangleSize;
+				r.bottom = r.top + mRectangleSize;
+				r.right = r.left + mRectangleSize;
+
+				canvas.drawRect(r, isWhite ? mPaintWhite : mPaintGray);
+
+				isWhite = !isWhite;
+			}
+
+			verticalStartWhite = !verticalStartWhite;
+
+		}
+
+	}
+
+}

android/src/net/margaritov/preference/colorpicker/ColorPickerDialog.java

@@ -0,0 +1,129 @@
+/*
+ * Copyright (C) 2010 Daniel Nilsson
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.margaritov.preference.colorpicker;
+
+import org.transdroid.R;
+
+import android.app.Dialog;
+import android.content.Context;
+import android.graphics.PixelFormat;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.widget.LinearLayout;
+
+public class ColorPickerDialog 
+	extends 
+		Dialog 
+	implements
+		ColorPickerView.OnColorChangedListener,
+		View.OnClickListener {
+
+	private ColorPickerView mColorPicker;
+
+	private ColorPickerPanelView mOldColor;
+	private ColorPickerPanelView mNewColor;
+
+	private OnColorChangedListener mListener;
+
+	public interface OnColorChangedListener {
+		public void onColorChanged(int color);
+	}
+	
+	public ColorPickerDialog(Context context, int initialColor) {
+		super(context);
+
+		init(initialColor);
+	}
+
+	private void init(int color) {
+		// To fight color branding.
+		getWindow().setFormat(PixelFormat.RGBA_8888);
+
+		setUp(color);
+
+	}
+
+	private void setUp(int color) {
+		
+		LayoutInflater inflater = (LayoutInflater) getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
+		
+		View layout = inflater.inflate(R.layout.dialog_color_picker, null);
+
+		setContentView(layout);
+
+		setTitle(R.string.dialog_color_picker);
+		
+		mColorPicker = (ColorPickerView) layout.findViewById(R.id.color_picker_view);
+		mOldColor = (ColorPickerPanelView) layout.findViewById(R.id.old_color_panel);
+		mNewColor = (ColorPickerPanelView) layout.findViewById(R.id.new_color_panel);
+		
+		((LinearLayout) mOldColor.getParent()).setPadding(
+			Math.round(mColorPicker.getDrawingOffset()), 
+			0, 
+			Math.round(mColorPicker.getDrawingOffset()), 
+			0
+		);	
+		
+		mOldColor.setOnClickListener(this);
+		mNewColor.setOnClickListener(this);
+		mColorPicker.setOnColorChangedListener(this);
+		mOldColor.setColor(color);
+		mColorPicker.setColor(color, true);
+
+	}
+
+	@Override
+	public void onColorChanged(int color) {
+
+		mNewColor.setColor(color);
+
+		/*
+		if (mListener != null) {
+			mListener.onColorChanged(color);
+		}
+		*/
+
+	}
+
+	public void setAlphaSliderVisible(boolean visible) {
+		mColorPicker.setAlphaSliderVisible(visible);
+	}
+	
+	/**
+	 * Set a OnColorChangedListener to get notified when the color
+	 * selected by the user has changed.
+	 * @param listener
+	 */
+	public void setOnColorChangedListener(OnColorChangedListener listener){
+		mListener = listener;
+	}
+
+	public int getColor() {
+		return mColorPicker.getColor();
+	}
+
+	@Override
+	public void onClick(View v) {
+		if (v.getId() == R.id.new_color_panel) {
+			if (mListener != null) {
+				mListener.onColorChanged(mNewColor.getColor());
+			}
+		}
+		dismiss();
+	}
+	
+}

android/src/net/margaritov/preference/colorpicker/ColorPickerPanelView.java

@@ -0,0 +1,171 @@
+/*
+ * Copyright (C) 2010 Daniel Nilsson
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.margaritov.preference.colorpicker;
+
+import android.content.Context;
+import android.graphics.Canvas;
+import android.graphics.Paint;
+import android.graphics.RectF;
+import android.util.AttributeSet;
+import android.view.View;
+
+/**
+ * This class draws a panel which which will be filled with a color which can be set.
+ * It can be used to show the currently selected color which you will get from
+ * the {@link ColorPickerView}.
+ * @author Daniel Nilsson
+ *
+ */
+public class ColorPickerPanelView extends View {
+
+	/**
+	 * The width in pixels of the border
+	 * surrounding the color panel.
+	 */
+	private final static float	BORDER_WIDTH_PX = 1;
+
+	private float mDensity = 1f;
+
+	private int 		mBorderColor = 0xff6E6E6E;
+	private int 		mColor = 0xff000000;
+
+	private Paint		mBorderPaint;
+	private Paint		mColorPaint;
+
+	private RectF		mDrawingRect;
+	private RectF		mColorRect;
+
+	private AlphaPatternDrawable mAlphaPattern;
+
+
+	public ColorPickerPanelView(Context context){
+		this(context, null);
+	}
+
+	public ColorPickerPanelView(Context context, AttributeSet attrs){
+		this(context, attrs, 0);
+	}
+
+	public ColorPickerPanelView(Context context, AttributeSet attrs, int defStyle) {
+		super(context, attrs, defStyle);
+		init();
+	}
+
+	private void init(){
+		mBorderPaint = new Paint();
+		mColorPaint = new Paint();
+		mDensity = getContext().getResources().getDisplayMetrics().density;
+	}
+
+
+	@Override
+	protected void onDraw(Canvas canvas) {
+
+		final RectF	rect = mColorRect;
+
+		if(BORDER_WIDTH_PX > 0){
+			mBorderPaint.setColor(mBorderColor);
+			canvas.drawRect(mDrawingRect, mBorderPaint);
+		}
+
+		if(mAlphaPattern != null){
+			mAlphaPattern.draw(canvas);
+		}
+
+		mColorPaint.setColor(mColor);
+
+		canvas.drawRect(rect, mColorPaint);
+	}
+
+	@Override
+	protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+
+		int width = MeasureSpec.getSize(widthMeasureSpec);
+		int height = MeasureSpec.getSize(heightMeasureSpec);
+
+		setMeasuredDimension(width, height);
+	}
+
+	@Override
+	protected void onSizeChanged(int w, int h, int oldw, int oldh) {
+		super.onSizeChanged(w, h, oldw, oldh);
+
+		mDrawingRect = new RectF();
+		mDrawingRect.left =  getPaddingLeft();
+		mDrawingRect.right  = w - getPaddingRight();
+		mDrawingRect.top = getPaddingTop();
+		mDrawingRect.bottom = h - getPaddingBottom();
+
+		setUpColorRect();
+
+	}
+
+	private void setUpColorRect(){
+		final RectF	dRect = mDrawingRect;
+
+		float left = dRect.left + BORDER_WIDTH_PX;
+		float top = dRect.top + BORDER_WIDTH_PX;
+		float bottom = dRect.bottom - BORDER_WIDTH_PX;
+		float right = dRect.right - BORDER_WIDTH_PX;
+
+		mColorRect = new RectF(left,top, right, bottom);
+
+		mAlphaPattern = new AlphaPatternDrawable((int)(5 * mDensity));
+
+		mAlphaPattern.setBounds(
+			Math.round(mColorRect.left),
+			Math.round(mColorRect.top),
+			Math.round(mColorRect.right),
+			Math.round(mColorRect.bottom)
+		);
+
+	}
+
+	/**
+	 * Set the color that should be shown by this view.
+	 * @param color
+	 */
+	public void setColor(int color){
+		mColor = color;
+		invalidate();
+	}
+
+	/**
+	 * Get the color currently show by this view.
+	 * @return
+	 */
+	public int getColor(){
+		return mColor;
+	}
+
+	/**
+	 * Set the color of the border surrounding the panel.
+	 * @param color
+	 */
+	public void setBorderColor(int color){
+		mBorderColor = color;
+		invalidate();
+	}
+
+	/**
+	 * Get the color of the border surrounding the panel.
+	 */
+	public int getBorderColor(){
+		return mBorderColor;
+	}
+
+}

android/src/net/margaritov/preference/colorpicker/ColorPickerPreference.java

@@ -0,0 +1,246 @@
+/*
+ * Copyright (C) 2011 Sergey Margaritov
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.margaritov.preference.colorpicker;
+
+import android.content.Context;
+import android.graphics.Bitmap;
+import android.graphics.Color;
+import android.graphics.Bitmap.Config;
+import android.preference.Preference;
+import android.util.AttributeSet;
+import android.util.Log;
+import android.view.View;
+import android.widget.ImageView;
+import android.widget.LinearLayout;
+
+/**
+ * A preference type that allows a user to choose a time
+ * @author Sergey Margaritov
+ */
+public class ColorPickerPreference
+	extends
+		Preference
+	implements
+		Preference.OnPreferenceClickListener,
+		ColorPickerDialog.OnColorChangedListener {
+
+	View mView;
+	int mDefaultValue = Color.BLACK;
+	private int mValue = Color.BLACK;
+	private float mDensity = 0;
+	private boolean mAlphaSliderEnabled = false;
+
+	private static final String androidns = "http://schemas.android.com/apk/res/android";
+
+	public ColorPickerPreference(Context context) {
+		super(context);
+		init(context, null);
+	}
+
+	public ColorPickerPreference(Context context, AttributeSet attrs) {
+		super(context, attrs);
+		init(context, attrs);
+	}
+
+	public ColorPickerPreference(Context context, AttributeSet attrs, int defStyle) {
+		super(context, attrs, defStyle);
+		init(context, attrs);
+	}
+	
+	@Override
+	protected void onSetInitialValue(boolean restoreValue, Object defaultValue) {
+		onColorChanged(restoreValue ? getValue() : (Integer) defaultValue);
+	}
+
+	private void init(Context context, AttributeSet attrs) {
+		mDensity = getContext().getResources().getDisplayMetrics().density;
+		setOnPreferenceClickListener(this);
+		if (attrs != null) {
+			String defaultValue = attrs.getAttributeValue(androidns, "defaultValue");
+			if (defaultValue.startsWith("#")) {
+				try {
+					mDefaultValue = convertToColorInt(defaultValue);
+				} catch (NumberFormatException e) {
+					Log.e("ColorPickerPreference", "Wrong color: " + defaultValue);
+					mDefaultValue = convertToColorInt("#FF000000");
+				}
+			} else {
+				int resourceId = attrs.getAttributeResourceValue(androidns, "defaultValue", 0);
+				if (resourceId != 0) {
+					mDefaultValue = context.getResources().getInteger(resourceId);
+				}
+			}
+			mAlphaSliderEnabled = attrs.getAttributeBooleanValue(null, "alphaSlider", false);
+		}
+		mValue = mDefaultValue;
+	}
+
+	@Override
+	protected void onBindView(View view) {
+		super.onBindView(view);
+		mView = view;
+		setPreviewColor();
+	}
+
+	private void setPreviewColor() {
+		if (mView == null) return;
+		ImageView iView = new ImageView(getContext());
+		LinearLayout widgetFrameView = ((LinearLayout)mView.findViewById(android.R.id.widget_frame));
+		if (widgetFrameView == null) return;
+		widgetFrameView.setVisibility(View.VISIBLE);
+		widgetFrameView.setPadding(
+			widgetFrameView.getPaddingLeft(),
+			widgetFrameView.getPaddingTop(),
+			(int)(mDensity * 8),
+			widgetFrameView.getPaddingBottom()
+		);
+		// remove already create preview image
+		int count = widgetFrameView.getChildCount();
+		if (count > 0) {
+			widgetFrameView.removeViews(0, count);
+		}
+		widgetFrameView.addView(iView);
+		iView.setBackgroundDrawable(new AlphaPatternDrawable((int)(5 * mDensity)));
+		iView.setImageBitmap(getPreviewBitmap());
+	}
+
+	private Bitmap getPreviewBitmap() {
+		int d = (int) (mDensity * 31); //30dip
+		int color = getValue();
+		Bitmap bm = Bitmap.createBitmap(d, d, Config.ARGB_8888);
+		int w = bm.getWidth();
+		int h = bm.getHeight();
+		int c = color;
+		for (int i = 0; i < w; i++) {
+			for (int j = i; j < h; j++) {
+				c = (i <= 1 || j <= 1 || i >= w-2 || j >= h-2) ? Color.GRAY : color;
+				bm.setPixel(i, j, c);
+				if (i != j) {
+					bm.setPixel(j, i, c);
+				}
+			}
+		}
+
+		return bm;
+	}
+
+	public int getValue() {
+		try {
+			if (isPersistent()) {
+				mValue = getPersistedInt(mDefaultValue);
+			}
+		} catch (ClassCastException e) {
+			mValue = mDefaultValue;
+		}
+
+		return mValue;
+	}
+
+	@Override
+	public void onColorChanged(int color) {
+		if (isPersistent()) {
+			persistInt(color);
+		}
+		mValue = color;
+		setPreviewColor();
+		try {
+			getOnPreferenceChangeListener().onPreferenceChange(this, color);
+		} catch (NullPointerException e) {
+
+		}
+	}
+
+	public boolean onPreferenceClick(Preference preference) {
+		ColorPickerDialog picker = new ColorPickerDialog(getContext(), getValue());
+		picker.setOnColorChangedListener(this);
+		if (mAlphaSliderEnabled) {
+			picker.setAlphaSliderVisible(true);
+		}
+		picker.show();
+
+		return false;
+	}
+
+	/**
+	 * Toggle Alpha Slider visibility (by default it's disabled)
+	 * @param enable
+	 */
+	public void setAlphaSliderEnabled(boolean enable) {
+		mAlphaSliderEnabled = enable;
+	}
+
+	/**
+	 * For custom purposes. Not used by ColorPickerPreferrence
+	 * @param color
+	 * @author Unknown
+	 */
+    public static String convertToARGB(int color) {
+        String alpha = Integer.toHexString(Color.alpha(color));
+        String red = Integer.toHexString(Color.red(color));
+        String green = Integer.toHexString(Color.green(color));
+        String blue = Integer.toHexString(Color.blue(color));
+
+        if (alpha.length() == 1) {
+            alpha = "0" + alpha;
+        }
+
+        if (red.length() == 1) {
+            red = "0" + red;
+        }
+
+        if (green.length() == 1) {
+            green = "0" + green;
+        }
+
+        if (blue.length() == 1) {
+            blue = "0" + blue;
+        }
+
+        return "#" + alpha + red + green + blue;
+    }
+
+    /**
+     * For custom purposes. Not used by ColorPickerPreferrence
+     * @param argb
+     * @throws NumberFormatException
+     * @author Unknown
+     */
+    public static int convertToColorInt(String argb) throws NumberFormatException {
+
+    	if (argb.startsWith("#")) {
+    		argb = argb.replace("#", "");
+    	}
+
+        int alpha = -1, red = -1, green = -1, blue = -1;
+
+        if (argb.length() == 8) {
+            alpha = Integer.parseInt(argb.substring(0, 2), 16);
+            red = Integer.parseInt(argb.substring(2, 4), 16);
+            green = Integer.parseInt(argb.substring(4, 6), 16);
+            blue = Integer.parseInt(argb.substring(6, 8), 16);
+        }
+        else if (argb.length() == 6) {
+            alpha = 255;
+            red = Integer.parseInt(argb.substring(0, 2), 16);
+            green = Integer.parseInt(argb.substring(2, 4), 16);
+            blue = Integer.parseInt(argb.substring(4, 6), 16);
+        }
+
+        return Color.argb(alpha, red, green, blue);
+    }
+
+}

android/src/net/margaritov/preference/colorpicker/ColorPickerView.java

@@ -0,0 +1,952 @@
+/*
+ * Copyright (C) 2010 Daniel Nilsson
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.margaritov.preference.colorpicker;
+
+import android.content.Context;
+import android.graphics.Canvas;
+import android.graphics.Color;
+import android.graphics.ComposeShader;
+import android.graphics.LinearGradient;
+import android.graphics.Paint;
+import android.graphics.Point;
+import android.graphics.PorterDuff;
+import android.graphics.RectF;
+import android.graphics.Shader;
+import android.graphics.Paint.Align;
+import android.graphics.Paint.Style;
+import android.graphics.Shader.TileMode;
+import android.util.AttributeSet;
+import android.view.MotionEvent;
+import android.view.View;
+
+/**
+ * Displays a color picker to the user and allow them
+ * to select a color. A slider for the alpha channel is
+ * also available. Enable it by setting
+ * setAlphaSliderVisible(boolean) to true.
+ * @author Daniel Nilsson
+ */
+public class ColorPickerView extends View {
+
+	private final static int	PANEL_SAT_VAL = 0;
+	private final static int	PANEL_HUE = 1;
+	private final static int	PANEL_ALPHA = 2;
+
+	/**
+	 * The width in pixels of the border
+	 * surrounding all color panels.
+	 */
+	private final static float	BORDER_WIDTH_PX = 1;
+
+	/**
+	 * The width in dp of the hue panel.
+	 */
+	private float 		HUE_PANEL_WIDTH = 30f;
+	/**
+	 * The height in dp of the alpha panel
+	 */
+	private float		ALPHA_PANEL_HEIGHT = 20f;
+	/**
+	 * The distance in dp between the different
+	 * color panels.
+	 */
+	private float 		PANEL_SPACING = 10f;
+	/**
+	 * The radius in dp of the color palette tracker circle.
+	 */
+	private float 		PALETTE_CIRCLE_TRACKER_RADIUS = 5f;
+	/**
+	 * The dp which the tracker of the hue or alpha panel
+	 * will extend outside of its bounds.
+	 */
+	private float		RECTANGLE_TRACKER_OFFSET = 2f;
+
+
+	private float 		mDensity = 1f;
+
+	private OnColorChangedListener	mListener;
+
+	private Paint 		mSatValPaint;
+	private Paint		mSatValTrackerPaint;
+
+	private Paint		mHuePaint;
+	private Paint		mHueTrackerPaint;
+
+	private Paint		mAlphaPaint;
+	private Paint		mAlphaTextPaint;
+
+	private Paint		mBorderPaint;
+
+	private Shader		mValShader;
+	private Shader		mSatShader;
+	private Shader		mHueShader;
+	private Shader		mAlphaShader;
+
+	private int			mAlpha = 0xff;
+	private float		mHue = 360f;
+	private float 		mSat = 0f;
+	private float 		mVal = 0f;
+
+	private String		mAlphaSliderText = "";
+	private int 		mSliderTrackerColor = 0xff1c1c1c;
+	private int 		mBorderColor = 0xff6E6E6E;
+	private boolean		mShowAlphaPanel = false;
+
+	/*
+	 * To remember which panel that has the "focus" when
+	 * processing hardware button data.
+	 */
+	private int			mLastTouchedPanel = PANEL_SAT_VAL;
+
+	/**
+	 * Offset from the edge we must have or else
+	 * the finger tracker will get clipped when
+	 * it is drawn outside of the view.
+	 */
+	private float 		mDrawingOffset;
+
+
+	/*
+	 * Distance form the edges of the view
+	 * of where we are allowed to draw.
+	 */
+	private RectF	mDrawingRect;
+
+	private RectF	mSatValRect;
+	private RectF 	mHueRect;
+	private RectF	mAlphaRect;
+
+	private AlphaPatternDrawable	mAlphaPattern;
+
+	private Point	mStartTouchPoint = null;
+
+	public interface OnColorChangedListener {
+		public void onColorChanged(int color);
+	}
+
+	public ColorPickerView(Context context){
+		this(context, null);
+	}
+
+	public ColorPickerView(Context context, AttributeSet attrs) {
+		this(context, attrs, 0);
+	}
+
+	public ColorPickerView(Context context, AttributeSet attrs, int defStyle) {
+		super(context, attrs, defStyle);
+		init();
+	}
+
+	private void init(){
+		mDensity = getContext().getResources().getDisplayMetrics().density;
+		PALETTE_CIRCLE_TRACKER_RADIUS *= mDensity;
+		RECTANGLE_TRACKER_OFFSET *= mDensity;
+		HUE_PANEL_WIDTH *= mDensity;
+		ALPHA_PANEL_HEIGHT *= mDensity;
+		PANEL_SPACING = PANEL_SPACING * mDensity;
+
+		mDrawingOffset = calculateRequiredOffset();
+
+		initPaintTools();
+
+		//Needed for receiving trackball motion events.
+		setFocusable(true);
+		setFocusableInTouchMode(true);
+	}
+
+	private void initPaintTools(){
+
+		mSatValPaint = new Paint();
+		mSatValTrackerPaint = new Paint();
+		mHuePaint = new Paint();
+		mHueTrackerPaint = new Paint();
+		mAlphaPaint = new Paint();
+		mAlphaTextPaint = new Paint();
+		mBorderPaint = new Paint();
+
+
+		mSatValTrackerPaint.setStyle(Style.STROKE);
+		mSatValTrackerPaint.setStrokeWidth(2f * mDensity);
+		mSatValTrackerPaint.setAntiAlias(true);
+
+		mHueTrackerPaint.setColor(mSliderTrackerColor);
+		mHueTrackerPaint.setStyle(Style.STROKE);
+		mHueTrackerPaint.setStrokeWidth(2f * mDensity);
+		mHueTrackerPaint.setAntiAlias(true);
+
+		mAlphaTextPaint.setColor(0xff1c1c1c);
+		mAlphaTextPaint.setTextSize(14f * mDensity);
+		mAlphaTextPaint.setAntiAlias(true);
+		mAlphaTextPaint.setTextAlign(Align.CENTER);
+		mAlphaTextPaint.setFakeBoldText(true);
+
+
+	}
+
+	private float calculateRequiredOffset(){
+		float offset = Math.max(PALETTE_CIRCLE_TRACKER_RADIUS, RECTANGLE_TRACKER_OFFSET);
+		offset = Math.max(offset, BORDER_WIDTH_PX * mDensity);
+
+		return offset * 1.5f;
+	}
+
+	private int[] buildHueColorArray(){
+
+		int[] hue = new int[361];
+
+		int count = 0;
+		for(int i = hue.length -1; i >= 0; i--, count++){
+			hue[count] = Color.HSVToColor(new float[]{i, 1f, 1f});
+		}
+
+		return hue;
+	}
+
+
+	@Override
+	protected void onDraw(Canvas canvas) {
+
+		if(mDrawingRect.width() <= 0 || mDrawingRect.height() <= 0) return;
+
+		drawSatValPanel(canvas);
+		drawHuePanel(canvas);
+		drawAlphaPanel(canvas);
+
+	}
+
+	private void drawSatValPanel(Canvas canvas){
+
+		final RectF	rect = mSatValRect;
+
+		if(BORDER_WIDTH_PX > 0){
+			mBorderPaint.setColor(mBorderColor);
+			canvas.drawRect(mDrawingRect.left, mDrawingRect.top, rect.right + BORDER_WIDTH_PX, rect.bottom + BORDER_WIDTH_PX, mBorderPaint);
+		}
+
+		if (mValShader == null) {
+			mValShader = new LinearGradient(rect.left, rect.top, rect.left, rect.bottom,
+					0xffffffff, 0xff000000, TileMode.CLAMP);
+		}
+
+		int rgb = Color.HSVToColor(new float[]{mHue,1f,1f});
+
+		mSatShader = new LinearGradient(rect.left, rect.top, rect.right, rect.top,
+				0xffffffff, rgb, TileMode.CLAMP);
+		ComposeShader mShader = new ComposeShader(mValShader, mSatShader, PorterDuff.Mode.MULTIPLY);
+		mSatValPaint.setShader(mShader);
+
+		canvas.drawRect(rect, mSatValPaint);
+
+		Point p = satValToPoint(mSat, mVal);
+
+		mSatValTrackerPaint.setColor(0xff000000);
+		canvas.drawCircle(p.x, p.y, PALETTE_CIRCLE_TRACKER_RADIUS - 1f * mDensity, mSatValTrackerPaint);
+
+		mSatValTrackerPaint.setColor(0xffdddddd);
+		canvas.drawCircle(p.x, p.y, PALETTE_CIRCLE_TRACKER_RADIUS, mSatValTrackerPaint);
+
+	}
+
+	private void drawHuePanel(Canvas canvas){
+
+		final RectF rect = mHueRect;
+
+		if(BORDER_WIDTH_PX > 0){
+			mBorderPaint.setColor(mBorderColor);
+			canvas.drawRect(rect.left - BORDER_WIDTH_PX,
+					rect.top - BORDER_WIDTH_PX,
+					rect.right + BORDER_WIDTH_PX,
+					rect.bottom + BORDER_WIDTH_PX,
+					mBorderPaint);
+		}
+
+		if (mHueShader == null) {
+			mHueShader = new LinearGradient(rect.left, rect.top, rect.left, rect.bottom, buildHueColorArray(), null, TileMode.CLAMP);
+			mHuePaint.setShader(mHueShader);
+		}
+
+		canvas.drawRect(rect, mHuePaint);
+
+		float rectHeight = 4 * mDensity / 2;
+
+		Point p = hueToPoint(mHue);
+
+		RectF r = new RectF();
+		r.left = rect.left - RECTANGLE_TRACKER_OFFSET;
+		r.right = rect.right + RECTANGLE_TRACKER_OFFSET;
+		r.top = p.y - rectHeight;
+		r.bottom = p.y + rectHeight;
+
+
+		canvas.drawRoundRect(r, 2, 2, mHueTrackerPaint);
+
+	}
+
+	private void drawAlphaPanel(Canvas canvas){
+
+		if(!mShowAlphaPanel || mAlphaRect == null || mAlphaPattern == null) return;
+
+		final RectF rect = mAlphaRect;
+
+		if(BORDER_WIDTH_PX > 0){
+			mBorderPaint.setColor(mBorderColor);
+			canvas.drawRect(rect.left - BORDER_WIDTH_PX,
+					rect.top - BORDER_WIDTH_PX,
+					rect.right + BORDER_WIDTH_PX,
+					rect.bottom + BORDER_WIDTH_PX,
+					mBorderPaint);
+		}
+
+
+		mAlphaPattern.draw(canvas);
+
+		float[] hsv = new float[]{mHue,mSat,mVal};
+		int color = Color.HSVToColor(hsv);
+		int acolor = Color.HSVToColor(0, hsv);
+
+		mAlphaShader = new LinearGradient(rect.left, rect.top, rect.right, rect.top,
+				color, acolor, TileMode.CLAMP);
+
+
+		mAlphaPaint.setShader(mAlphaShader);
+
+		canvas.drawRect(rect, mAlphaPaint);
+
+		if(mAlphaSliderText != null && mAlphaSliderText!= ""){
+			canvas.drawText(mAlphaSliderText, rect.centerX(), rect.centerY() + 4 * mDensity, mAlphaTextPaint);
+		}
+
+		float rectWidth = 4 * mDensity / 2;
+
+		Point p = alphaToPoint(mAlpha);
+
+		RectF r = new RectF();
+		r.left = p.x - rectWidth;
+		r.right = p.x + rectWidth;
+		r.top = rect.top - RECTANGLE_TRACKER_OFFSET;
+		r.bottom = rect.bottom + RECTANGLE_TRACKER_OFFSET;
+
+		canvas.drawRoundRect(r, 2, 2, mHueTrackerPaint);
+
+	}
+
+
+	private Point hueToPoint(float hue){
+
+		final RectF rect = mHueRect;
+		final float height = rect.height();
+
+		Point p = new Point();
+
+		p.y = (int) (height - (hue * height / 360f) + rect.top);
+		p.x = (int) rect.left;
+
+		return p;
+	}
+
+	private Point satValToPoint(float sat, float val){
+
+		final RectF rect = mSatValRect;
+		final float height = rect.height();
+		final float width = rect.width();
+
+		Point p = new Point();
+
+		p.x = (int) (sat * width + rect.left);
+		p.y = (int) ((1f - val) * height + rect.top);
+
+		return p;
+	}
+
+	private Point alphaToPoint(int alpha){
+
+		final RectF rect = mAlphaRect;
+		final float width = rect.width();
+
+		Point p = new Point();
+
+		p.x = (int) (width - (alpha * width / 0xff) + rect.left);
+		p.y = (int) rect.top;
+
+		return p;
+
+	}
+
+	private float[] pointToSatVal(float x, float y){
+
+		final RectF rect = mSatValRect;
+		float[] result = new float[2];
+
+		float width = rect.width();
+		float height = rect.height();
+
+		if (x < rect.left){
+			x = 0f;
+		}
+		else if(x > rect.right){
+			x = width;
+		}
+		else{
+			x = x - rect.left;
+		}
+
+		if (y < rect.top){
+			y = 0f;
+		}
+		else if(y > rect.bottom){
+			y = height;
+		}
+		else{
+			y = y - rect.top;
+		}
+
+
+		result[0] = 1.f / width * x;
+		result[1] = 1.f - (1.f / height * y);
+
+		return result;
+	}
+
+	private float pointToHue(float y){
+
+		final RectF rect = mHueRect;
+
+		float height = rect.height();
+
+		if (y < rect.top){
+			y = 0f;
+		}
+		else if(y > rect.bottom){
+			y = height;
+		}
+		else{
+			y = y - rect.top;
+		}
+
+		return 360f - (y * 360f / height);
+	}
+
+	private int pointToAlpha(int x){
+
+		final RectF rect = mAlphaRect;
+		final int width = (int) rect.width();
+
+		if(x < rect.left){
+			x = 0;
+		}
+		else if(x > rect.right){
+			x = width;
+		}
+		else{
+			x = x - (int)rect.left;
+		}
+
+		return 0xff - (x * 0xff / width);
+
+	}
+
+
+	@Override
+	public boolean onTrackballEvent(MotionEvent event) {
+
+		float x = event.getX();
+		float y = event.getY();
+
+		boolean update = false;
+
+
+		if(event.getAction() == MotionEvent.ACTION_MOVE){
+
+			switch(mLastTouchedPanel){
+
+			case PANEL_SAT_VAL:
+
+				float sat, val;
+
+				sat = mSat + x/50f;
+				val = mVal - y/50f;
+
+				if(sat < 0f){
+					sat = 0f;
+				}
+				else if(sat > 1f){
+					sat = 1f;
+				}
+
+				if(val < 0f){
+					val = 0f;
+				}
+				else if(val > 1f){
+					val = 1f;
+				}
+
+				mSat = sat;
+				mVal = val;
+
+				update = true;
+
+				break;
+
+			case PANEL_HUE:
+
+				float hue = mHue - y * 10f;
+
+				if(hue < 0f){
+					hue = 0f;
+				}
+				else if(hue > 360f){
+					hue = 360f;
+				}
+
+				mHue = hue;
+
+				update = true;
+
+				break;
+
+			case PANEL_ALPHA:
+
+				if(!mShowAlphaPanel || mAlphaRect == null){
+					update = false;
+				}
+				else{
+
+					int alpha = (int) (mAlpha - x*10);
+
+					if(alpha < 0){
+						alpha = 0;
+					}
+					else if(alpha > 0xff){
+						alpha = 0xff;
+					}
+
+					mAlpha = alpha;
+
+
+					update = true;
+				}
+
+				break;
+			}
+
+
+		}
+
+
+		if(update){
+
+			if(mListener != null){
+				mListener.onColorChanged(Color.HSVToColor(mAlpha, new float[]{mHue, mSat, mVal}));
+			}
+
+			invalidate();
+			return true;
+		}
+
+
+		return super.onTrackballEvent(event);
+	}
+
+	@Override
+	public boolean onTouchEvent(MotionEvent event) {
+
+		boolean update = false;
+
+		switch(event.getAction()){
+
+		case MotionEvent.ACTION_DOWN:
+
+			mStartTouchPoint = new Point((int)event.getX(), (int)event.getY());
+
+			update = moveTrackersIfNeeded(event);
+
+			break;
+
+		case MotionEvent.ACTION_MOVE:
+
+			update = moveTrackersIfNeeded(event);
+
+			break;
+
+		case MotionEvent.ACTION_UP:
+
+			mStartTouchPoint = null;
+
+			update = moveTrackersIfNeeded(event);
+
+			break;
+
+		}
+
+		if(update){
+
+			if(mListener != null){
+				mListener.onColorChanged(Color.HSVToColor(mAlpha, new float[]{mHue, mSat, mVal}));
+			}
+
+			invalidate();
+			return true;
+		}
+
+
+		return super.onTouchEvent(event);
+	}
+
+	private boolean moveTrackersIfNeeded(MotionEvent event){
+
+		if(mStartTouchPoint == null) return false;
+
+		boolean update = false;
+
+		int startX = mStartTouchPoint.x;
+		int startY = mStartTouchPoint.y;
+
+
+		if(mHueRect.contains(startX, startY)){
+			mLastTouchedPanel = PANEL_HUE;
+
+			mHue = pointToHue(event.getY());
+
+			update = true;
+		}
+		else if(mSatValRect.contains(startX, startY)){
+
+			mLastTouchedPanel = PANEL_SAT_VAL;
+
+			float[] result = pointToSatVal(event.getX(), event.getY());
+
+			mSat = result[0];
+			mVal = result[1];
+
+			update = true;
+		}
+		else if(mAlphaRect != null && mAlphaRect.contains(startX, startY)){
+
+			mLastTouchedPanel = PANEL_ALPHA;
+
+			mAlpha = pointToAlpha((int)event.getX());
+
+			update = true;
+		}
+
+
+		return update;
+	}
+
+	@Override
+	protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+
+		int width = 0;
+		int height = 0;
+		
+		int widthMode = MeasureSpec.getMode(widthMeasureSpec);
+		int heightMode = MeasureSpec.getMode(heightMeasureSpec);
+		
+		int widthAllowed = MeasureSpec.getSize(widthMeasureSpec);
+		int heightAllowed = MeasureSpec.getSize(heightMeasureSpec);
+		
+		widthAllowed = chooseWidth(widthMode, widthAllowed);
+		heightAllowed = chooseHeight(heightMode, heightAllowed);
+		
+		if(!mShowAlphaPanel){
+			
+			height = (int) (widthAllowed - PANEL_SPACING - HUE_PANEL_WIDTH);
+
+			//If calculated height (based on the width) is more than the allowed height.
+			if(height > heightAllowed || getTag().equals("landscape")) {
+				height = heightAllowed;
+				width = (int) (height + PANEL_SPACING + HUE_PANEL_WIDTH);
+			}
+			else{
+				width = widthAllowed;
+			}
+		}
+		else{
+
+			width = (int) (heightAllowed - ALPHA_PANEL_HEIGHT + HUE_PANEL_WIDTH);
+
+			if(width > widthAllowed){
+				width = widthAllowed;
+				height = (int) (widthAllowed - HUE_PANEL_WIDTH + ALPHA_PANEL_HEIGHT);
+			}
+			else{
+				height = heightAllowed;
+			}
+
+		}
+		
+		setMeasuredDimension(width, height);
+	}
+
+	private int chooseWidth(int mode, int size){
+		if (mode == MeasureSpec.AT_MOST || mode == MeasureSpec.EXACTLY) {
+			return size;
+		} else { // (mode == MeasureSpec.UNSPECIFIED)
+			return getPrefferedWidth();
+		}
+	}
+
+	private int chooseHeight(int mode, int size){
+		if (mode == MeasureSpec.AT_MOST || mode == MeasureSpec.EXACTLY) {
+			return size;
+		} else { // (mode == MeasureSpec.UNSPECIFIED)
+			return getPrefferedHeight();
+		}
+	}
+
+	private int getPrefferedWidth(){
+
+		int width = getPrefferedHeight();
+
+		if(mShowAlphaPanel){
+			width -= (PANEL_SPACING + ALPHA_PANEL_HEIGHT);
+		}
+
+
+		return (int) (width + HUE_PANEL_WIDTH + PANEL_SPACING);
+
+	}
+
+	private int getPrefferedHeight(){
+
+		int height = (int)(200 * mDensity);
+
+		if(mShowAlphaPanel){
+			height += PANEL_SPACING + ALPHA_PANEL_HEIGHT;
+		}
+
+		return height;
+	}
+
+
+
+	@Override
+	protected void onSizeChanged(int w, int h, int oldw, int oldh) {
+		super.onSizeChanged(w, h, oldw, oldh);
+
+		mDrawingRect = new RectF();
+		mDrawingRect.left = mDrawingOffset + getPaddingLeft();
+		mDrawingRect.right  = w - mDrawingOffset - getPaddingRight();
+		mDrawingRect.top = mDrawingOffset + getPaddingTop();
+		mDrawingRect.bottom = h - mDrawingOffset - getPaddingBottom();
+
+		setUpSatValRect();
+		setUpHueRect();
+		setUpAlphaRect();
+	}
+
+	private void setUpSatValRect(){
+
+		final RectF	dRect = mDrawingRect;
+		float panelSide = dRect.height() - BORDER_WIDTH_PX * 2;
+
+		if(mShowAlphaPanel){
+			panelSide -= PANEL_SPACING + ALPHA_PANEL_HEIGHT;
+		}
+
+		float left = dRect.left + BORDER_WIDTH_PX;
+		float top = dRect.top + BORDER_WIDTH_PX;
+		float bottom = top + panelSide;
+		float right = left + panelSide;
+
+		mSatValRect = new RectF(left,top, right, bottom);
+	}
+
+	private void setUpHueRect(){
+		final RectF	dRect = mDrawingRect;
+
+		float left = dRect.right - HUE_PANEL_WIDTH + BORDER_WIDTH_PX;
+		float top = dRect.top + BORDER_WIDTH_PX;
+		float bottom = dRect.bottom - BORDER_WIDTH_PX - (mShowAlphaPanel ? (PANEL_SPACING + ALPHA_PANEL_HEIGHT) : 0);
+		float right = dRect.right - BORDER_WIDTH_PX;
+
+		mHueRect = new RectF(left, top, right, bottom);
+	}
+
+	private void setUpAlphaRect() {
+
+		if(!mShowAlphaPanel) return;
+
+		final RectF	dRect = mDrawingRect;
+
+		float left = dRect.left + BORDER_WIDTH_PX;
+		float top = dRect.bottom - ALPHA_PANEL_HEIGHT + BORDER_WIDTH_PX;
+		float bottom = dRect.bottom - BORDER_WIDTH_PX;
+		float right = dRect.right - BORDER_WIDTH_PX;
+
+		mAlphaRect = new RectF(left, top, right, bottom);
+
+		mAlphaPattern = new AlphaPatternDrawable((int) (5 * mDensity));
+		mAlphaPattern.setBounds(
+			Math.round(mAlphaRect.left), 
+			Math.round(mAlphaRect.top), 
+			Math.round(mAlphaRect.right), 
+			Math.round(mAlphaRect.bottom)
+		);
+
+	}
+
+
+	/**
+	 * Set a OnColorChangedListener to get notified when the color
+	 * selected by the user has changed.
+	 * @param listener
+	 */
+	public void setOnColorChangedListener(OnColorChangedListener listener){
+		mListener = listener;
+	}
+
+	/**
+	 * Set the color of the border surrounding all panels.
+	 * @param color
+	 */
+	public void setBorderColor(int color){
+		mBorderColor = color;
+		invalidate();
+	}
+
+	/**
+	 * Get the color of the border surrounding all panels.
+	 */
+	public int getBorderColor(){
+		return mBorderColor;
+	}
+
+	/**
+	 * Get the current color this view is showing.
+	 * @return the current color.
+	 */
+	public int getColor(){
+		return Color.HSVToColor(mAlpha, new float[]{mHue,mSat,mVal});
+	}
+
+	/**
+	 * Set the color the view should show.
+	 * @param color The color that should be selected.
+	 */
+	public void setColor(int color){
+		setColor(color, false);
+	}
+
+	/**
+	 * Set the color this view should show.
+	 * @param color The color that should be selected.
+	 * @param callback If you want to get a callback to
+	 * your OnColorChangedListener.
+	 */
+	public void setColor(int color, boolean callback){
+
+		int alpha = Color.alpha(color);
+		int red = Color.red(color);
+		int blue = Color.blue(color);
+		int green = Color.green(color);
+
+		float[] hsv = new float[3];
+
+		Color.RGBToHSV(red, green, blue, hsv);
+
+		mAlpha = alpha;
+		mHue = hsv[0];
+		mSat = hsv[1];
+		mVal = hsv[2];
+
+		if(callback && mListener != null){
+			mListener.onColorChanged(Color.HSVToColor(mAlpha, new float[]{mHue, mSat, mVal}));
+		}
+
+		invalidate();
+	}
+
+	/**
+	 * Get the drawing offset of the color picker view.
+	 * The drawing offset is the distance from the side of
+	 * a panel to the side of the view minus the padding.
+	 * Useful if you want to have your own panel below showing
+	 * the currently selected color and want to align it perfectly.
+	 * @return The offset in pixels.
+	 */
+	public float getDrawingOffset(){
+		return mDrawingOffset;
+	}
+
+	/**
+	 * Set if the user is allowed to adjust the alpha panel. Default is false.
+	 * If it is set to false no alpha will be set.
+	 * @param visible
+	 */
+	public void setAlphaSliderVisible(boolean visible){
+
+		if(mShowAlphaPanel != visible){
+			mShowAlphaPanel = visible;
+
+			/*
+			 * Reset all shader to force a recreation.
+			 * Otherwise they will not look right after
+			 * the size of the view has changed.
+			 */
+			mValShader = null;
+			mSatShader = null;
+			mHueShader = null;
+			mAlphaShader = null;;
+
+			requestLayout();
+		}
+
+	}
+
+	public void setSliderTrackerColor(int color){
+		mSliderTrackerColor = color;
+
+		mHueTrackerPaint.setColor(mSliderTrackerColor);
+
+		invalidate();
+	}
+
+	public int getSliderTrackerColor(){
+		return mSliderTrackerColor;
+	}
+
+	/**
+	 * Set the text that should be shown in the
+	 * alpha slider. Set to null to disable text.
+	 * @param res string resource id.
+	 */
+	public void setAlphaSliderText(int res){
+		String text = getContext().getString(res);
+		setAlphaSliderText(text);
+	}
+
+	/**
+	 * Set the text that should be shown in the
+	 * alpha slider. Set to null to disable text.
+	 * @param text Text that should be shown.
+	 */
+	public void setAlphaSliderText(String text){
+		mAlphaSliderText = text;
+		invalidate();
+	}
+
+	/**
+	 * Get the current value of the text
+	 * that will be shown in the alpha
+	 * slider.
+	 * @return
+	 */
+	public String getAlphaSliderText(){
+		return mAlphaSliderText;
+	}
+}

android/src/org/transdroid/gui/DetailsFragment.java

@@ -529,6 +529,11 @@ public class DetailsFragment extends Fragment implements IDaemonCallback, OnSele
 	 * } }
 	 */
 
+	@Override
+	public boolean isAttached() {
+		return getActivity() != null;
+	}
+
 	@Override
 	public void onQueueEmpty() {
 		// No active task: turn off status indicator

android/src/org/transdroid/gui/TaskResultHandler.java

@@ -91,4 +91,9 @@ public class TaskResultHandler extends Handler implements IDaemonCallback {
 		sendMessage(msg);
 	}
 
+	@Override
+	public boolean isAttached() {
+		return callback.isAttached();
+	}
+	
 }

android/src/org/transdroid/gui/TorrentsFragment.java

@@ -1593,6 +1593,11 @@ public class TorrentsFragment extends Fragment implements IDaemonCallback, OnTou
 		return "";
 	}
 
+	@Override
+	public boolean isAttached() {
+		return getActivity() != null;
+	}
+
 	@Override
 	public void onTaskFailure(DaemonTaskFailureResult result) {
 
@@ -1970,6 +1975,7 @@ public class TorrentsFragment extends Fragment implements IDaemonCallback, OnTou
 
 	private void setProgressBar(boolean b) {
 		inProgress  = b;
+		if (getSupportActivity() != null)
 			getSupportActivity().invalidateOptionsMenu();
 	}
 

android/src/org/transdroid/preferences/Preferences.java

@@ -127,6 +127,7 @@ public class Preferences {
 	public static final String KEY_PREF_ALARMPLAYSOUND = "transdroid_alarm_playsound";
 	public static final String KEY_PREF_ALARMSOUNDURI = "transdroid_alarm_sounduri";
 	public static final String KEY_PREF_ALARMVIBRATE = "transdroid_alarm_vibrate";
+	public static final String KEY_PREF_ALARMCOLOUR = "transdroid_alarm_colour";
 	public static final String KEY_PREF_ADWNOTIFY   = "transdroid_alarm_adwnotify";
 	public static final String KEY_PREF_ADWONLYDL   = "transdroid_alarm_adwonlydl";
 	
@@ -918,6 +919,7 @@ public class Preferences {
         		prefs.getBoolean(KEY_PREF_ALARMPLAYSOUND, false),
         		prefs.getString(KEY_PREF_ALARMSOUNDURI, null),
         		prefs.getBoolean(KEY_PREF_ALARMVIBRATE, false),
+        		prefs.getInt(KEY_PREF_ALARMCOLOUR, 0xff7dbb21),
         		prefs.getBoolean(KEY_PREF_ADWNOTIFY, false),
         		prefs.getBoolean(KEY_PREF_ADWONLYDL, false));
     }

android/src/org/transdroid/preferences/PreferencesAlarm.java

@@ -17,6 +17,8 @@
  */
  package org.transdroid.preferences;
 
+import net.margaritov.preference.colorpicker.ColorPickerPreference;
+
 import org.transdroid.R;
 import org.transdroid.service.BootReceiver;
 
@@ -39,6 +41,7 @@ public class PreferencesAlarm extends PreferenceActivity {
 	private TransdroidCheckBoxPreference alarmPlaySound;
 	private TransdroidNotificationListPreference alarmSoundURI;
 	private TransdroidCheckBoxPreference alarmVibrate;
+	private ColorPickerPreference alarmColour;
 	private TransdroidCheckBoxPreference adwNotify;
 	private TransdroidCheckBoxPreference adwOnlyDl;
 
@@ -78,14 +81,14 @@ public class PreferencesAlarm extends PreferenceActivity {
         checkRssFeeds.setKey(Preferences.KEY_PREF_CHECKRSSFEEDS);
         checkRssFeeds.setEnabled(isEnabled);
         getPreferenceScreen().addItemFromInflater(checkRssFeeds);
-        // alarm play sound
+        // Alarm play sound
         alarmPlaySound = new TransdroidCheckBoxPreference(this);
         alarmPlaySound.setTitle(R.string.pref_alarmplaysound);
         alarmPlaySound.setSummary(R.string.pref_alarmplaysound_info);
         alarmPlaySound.setKey(Preferences.KEY_PREF_ALARMPLAYSOUND);
         alarmPlaySound.setEnabled(isEnabled);
         getPreferenceScreen().addItemFromInflater(alarmPlaySound);
-        // alarm sound URI
+        // Alarm sound URI
         alarmSoundURI = new TransdroidNotificationListPreference(this);
         alarmSoundURI.setTitle(R.string.pref_alarmsounduri);
         alarmSoundURI.setSummary(R.string.pref_alarmsounduri_info);
@@ -95,13 +98,22 @@ public class PreferencesAlarm extends PreferenceActivity {
 		alarmSoundURI.setShowSilent(false);
 		alarmSoundURI.setEnabled(isEnabled);
 		getPreferenceScreen().addItemFromInflater(alarmSoundURI);
-		// vibrate
+		// Vibrate
 		alarmVibrate = new TransdroidCheckBoxPreference(this);
 		alarmVibrate.setTitle(R.string.pref_alarmvibrate);
 		alarmVibrate.setSummary(R.string.pref_alarmvibrate_info);
 		alarmVibrate.setKey(Preferences.KEY_PREF_ALARMVIBRATE);
 		alarmVibrate.setEnabled(isEnabled);
 		getPreferenceScreen().addItemFromInflater(alarmVibrate);
+		// Notification LED colour
+		alarmColour = new ColorPickerPreference(this);
+		alarmColour.setTitle(R.string.pref_alarmcolour);
+		alarmColour.setSummary(R.string.pref_alarmcolour_info);
+		alarmColour.setKey(Preferences.KEY_PREF_ALARMCOLOUR);
+		alarmColour.setAlphaSliderEnabled(false);
+		alarmColour.setDefaultValue(0xff7dbb21);
+		alarmColour.setEnabled(isEnabled);
+		getPreferenceScreen().addItemFromInflater(alarmColour);
 		// Enable ADW notifications
 		adwNotify = new TransdroidCheckBoxPreference(this);
 		adwNotify.setTitle(R.string.pref_adwnotify);
@@ -153,6 +165,7 @@ public class PreferencesAlarm extends PreferenceActivity {
 			alarmPlaySound.setEnabled(isEnabled);
 			alarmSoundURI.setEnabled(isEnabled);
 			alarmVibrate.setEnabled(isEnabled);
+			alarmColour.setEnabled(isEnabled);
 			adwNotify.setEnabled(isEnabled);
 			adwOnlyDl.setEnabled(isEnabled && isAdwEnabled);
 		}

android/src/org/transdroid/service/AlarmService.java

@@ -314,15 +314,22 @@ public class AlarmService extends IntentService {
 			notificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
 		}
 		
-		//if sound enabled add to notification
+		// If sound enabled add to notification
 		if (settings.getAlarmPlaySound() && settings.getAlarmSoundURI() != null) {
 			newNotification.sound = Uri.parse(settings.getAlarmSoundURI());
 		}
 		
-		//if vibration enabled add to notification
+		// If vibration enabled add to notification
 		if (settings.getAlarmVibrate()) {
 			newNotification.defaults = Notification.DEFAULT_VIBRATE;
 		}
+
+		// Add coloured light; defaults to 0xff7dbb21
+		newNotification.ledARGB = settings.getAlarmColour();
+		newNotification.ledOnMS = 600;
+		newNotification.ledOffMS = 1000;
+		newNotification.flags |= Notification.FLAG_SHOW_LIGHTS;
+		
 		// Send notification
 		notificationManager.notify(notifyID, newNotification);
 

android/src/org/transdroid/service/AlarmSettings.java

@@ -31,16 +31,18 @@ public class AlarmSettings{
 	private boolean alarmPlaySound;
 	private String alarmSoundURI;
 	private boolean alarmVibrate;
+	private int alarmColour;
 	private boolean adwNotify;
 	private boolean adwOnlyDl;
 		
-	public AlarmSettings(boolean enableAlarm, int alarmInterval, boolean checkRssFeeds, boolean alarmPlaySound, String alarmSoundURI, boolean alarmVibrate, boolean adwNotify, boolean adwOnlyDl) {
+	public AlarmSettings(boolean enableAlarm, int alarmInterval, boolean checkRssFeeds, boolean alarmPlaySound, String alarmSoundURI, boolean alarmVibrate, int alarmColour, boolean adwNotify, boolean adwOnlyDl) {
 		this.enableAlarm = enableAlarm;
 		this.alarmInterval = alarmInterval;
 		this.checkRssFeeds = checkRssFeeds;
 		this.alarmPlaySound = alarmPlaySound;
 		this.alarmSoundURI = alarmSoundURI;
 		this.alarmVibrate = alarmVibrate;
+		this.alarmColour = alarmColour;
 		this.adwNotify = adwNotify;
 		this.adwOnlyDl = adwOnlyDl;
 	}
@@ -73,6 +75,10 @@ public class AlarmSettings{
 		return alarmVibrate;
 	}
 
+	public int getAlarmColour() {
+		return alarmColour;
+	}
+
 	public boolean showAdwNotifications() {
 		return adwNotify;
 	}

lib/.classpath

@@ -2,6 +2,6 @@
 <classpath>
 	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.6"/>
-	<classpathentry kind="lib" path="/home/eric/Dev/android-sdk/platforms/android-13/android.jar"/>
+	<classpathentry kind="lib" path="/var/data/Dev/android-sdk/platforms/android-13/android.jar"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>

lib/src/org/transdroid/daemon/IDaemonCallback.java

@@ -39,4 +39,6 @@ public interface IDaemonCallback {
 
 	void onTaskSuccess(DaemonTaskSuccessResult result);
 
+	boolean isAttached();
+	
 }

lib/src/org/transdroid/daemon/TaskQueue.java

@@ -156,17 +156,19 @@ public class TaskQueue implements Runnable {
 			return;
 		}
 
+		if (callback.isAttached())
 			callback.onQueuedTaskStarted(task);
 		
 		// Ask the daemon adapter to perform the task (which does it synchronously)
 		DLog.d(LOG_NAME, "Starting task: " + task.toString());
 		DaemonTaskResult result = task.execute();
 
+		if (callback.isAttached())
 			callback.onQueuedTaskFinished(task);
 		
 		// Return the result (to the UI thread)
 		DLog.d(LOG_NAME, "Task result: " + (result == null? "null": result.toString()));
-		if (result != null && !this.paused) {
+		if (result != null && !this.paused && callback.isAttached()) {
 			if (result.wasSuccessful()) {
 				callback.onTaskSuccess((DaemonTaskSuccessResult) result);
 			} else {