de.msponer.android.yac.activities.images
Class SigningView

java.lang.Object
  extended by android.view.View
      extended by de.msponer.android.yac.activities.images.SigningView
All Implemented Interfaces:
Drawable.Callback, AccessibilityEventSource, KeyEvent.Callback

public class SigningView
extends View

View component for painting signatures using the touch screen.

Author:
msponer

Nested Class Summary
 
Nested classes/interfaces inherited from class android.view.View
View.BaseSavedState, View.MeasureSpec, View.OnClickListener, View.OnCreateContextMenuListener, View.OnFocusChangeListener, View.OnKeyListener, View.OnLongClickListener, View.OnTouchListener
 
Field Summary
 
Fields inherited from class android.view.View
DRAWING_CACHE_QUALITY_AUTO, DRAWING_CACHE_QUALITY_HIGH, DRAWING_CACHE_QUALITY_LOW, EMPTY_STATE_SET, ENABLED_FOCUSED_SELECTED_STATE_SET, ENABLED_FOCUSED_SELECTED_WINDOW_FOCUSED_STATE_SET, ENABLED_FOCUSED_STATE_SET, ENABLED_FOCUSED_WINDOW_FOCUSED_STATE_SET, ENABLED_SELECTED_STATE_SET, ENABLED_SELECTED_WINDOW_FOCUSED_STATE_SET, ENABLED_STATE_SET, ENABLED_WINDOW_FOCUSED_STATE_SET, FOCUS_BACKWARD, FOCUS_DOWN, FOCUS_FORWARD, FOCUS_LEFT, FOCUS_RIGHT, FOCUS_UP, FOCUSABLES_ALL, FOCUSABLES_TOUCH_MODE, FOCUSED_SELECTED_STATE_SET, FOCUSED_SELECTED_WINDOW_FOCUSED_STATE_SET, FOCUSED_STATE_SET, FOCUSED_WINDOW_FOCUSED_STATE_SET, GONE, HAPTIC_FEEDBACK_ENABLED, INVISIBLE, KEEP_SCREEN_ON, NO_ID, PRESSED_ENABLED_FOCUSED_SELECTED_STATE_SET, PRESSED_ENABLED_FOCUSED_SELECTED_WINDOW_FOCUSED_STATE_SET, PRESSED_ENABLED_FOCUSED_STATE_SET, PRESSED_ENABLED_FOCUSED_WINDOW_FOCUSED_STATE_SET, PRESSED_ENABLED_SELECTED_STATE_SET, PRESSED_ENABLED_SELECTED_WINDOW_FOCUSED_STATE_SET, PRESSED_ENABLED_STATE_SET, PRESSED_ENABLED_WINDOW_FOCUSED_STATE_SET, PRESSED_FOCUSED_SELECTED_STATE_SET, PRESSED_FOCUSED_SELECTED_WINDOW_FOCUSED_STATE_SET, PRESSED_FOCUSED_STATE_SET, PRESSED_FOCUSED_WINDOW_FOCUSED_STATE_SET, PRESSED_SELECTED_STATE_SET, PRESSED_SELECTED_WINDOW_FOCUSED_STATE_SET, PRESSED_WINDOW_FOCUSED_STATE_SET, SCROLLBARS_INSIDE_INSET, SCROLLBARS_INSIDE_OVERLAY, SCROLLBARS_OUTSIDE_INSET, SCROLLBARS_OUTSIDE_OVERLAY, SELECTED_STATE_SET, SELECTED_WINDOW_FOCUSED_STATE_SET, SOUND_EFFECTS_ENABLED, VIEW_LOG_TAG, VISIBLE, WINDOW_FOCUSED_STATE_SET
 
Constructor Summary
SigningView(Context context)
          Constructor that initializes the view.
SigningView(Context context, AttributeSet attrs)
          Constructor that initializes the view.
SigningView(Context context, AttributeSet attrs, int params)
          Constructor that initializes the view.
 
Method Summary
 Bitmap getBitmap()
          Returns the current bitmap.
protected  void onDraw(Canvas canvas)
           Draws the bitmap onto the given canvas.
protected  void onSizeChanged(int w, int h, int oldw, int oldh)
           Creates a new canvas and bitmap on size changed.
 boolean onTouchEvent(MotionEvent event)
           Process the motion events and invokes the path drawing.
 
Methods inherited from class android.view.View
addFocusables, addFocusables, addTouchables, awakenScrollBars, awakenScrollBars, awakenScrollBars, bringToFront, buildDrawingCache, buildDrawingCache, cancelLongPress, checkInputConnectionProxy, clearAnimation, clearFocus, computeHorizontalScrollExtent, computeHorizontalScrollOffset, computeHorizontalScrollRange, computeScroll, computeVerticalScrollExtent, computeVerticalScrollOffset, computeVerticalScrollRange, createContextMenu, destroyDrawingCache, dispatchConfigurationChanged, dispatchDisplayHint, dispatchDraw, dispatchKeyEvent, dispatchKeyEventPreIme, dispatchKeyShortcutEvent, dispatchPopulateAccessibilityEvent, dispatchRestoreInstanceState, dispatchSaveInstanceState, dispatchSetPressed, dispatchSetSelected, dispatchTouchEvent, dispatchTrackballEvent, dispatchUnhandledMove, dispatchVisibilityChanged, dispatchWindowFocusChanged, dispatchWindowVisibilityChanged, draw, drawableStateChanged, findFocus, findViewById, findViewWithTag, fitSystemWindows, focusSearch, forceLayout, getAnimation, getApplicationWindowToken, getBackground, getBaseline, getBottom, getBottomFadingEdgeStrength, getBottomPaddingOffset, getContentDescription, getContext, getContextMenuInfo, getDefaultSize, getDrawableState, getDrawingCache, getDrawingCache, getDrawingCacheBackgroundColor, getDrawingCacheQuality, getDrawingRect, getDrawingTime, getFocusables, getFocusedRect, getGlobalVisibleRect, getGlobalVisibleRect, getHandler, getHeight, getHitRect, getHorizontalFadingEdgeLength, getHorizontalScrollbarHeight, getId, getKeepScreenOn, getKeyDispatcherState, getLayoutParams, getLeft, getLeftFadingEdgeStrength, getLeftPaddingOffset, getLocalVisibleRect, getLocationInWindow, getLocationOnScreen, getMeasuredHeight, getMeasuredWidth, getNextFocusDownId, getNextFocusLeftId, getNextFocusRightId, getNextFocusUpId, getOnFocusChangeListener, getPaddingBottom, getPaddingLeft, getPaddingRight, getPaddingTop, getParent, getResources, getRight, getRightFadingEdgeStrength, getRightPaddingOffset, getRootView, getScrollBarStyle, getScrollX, getScrollY, getSolidColor, getSuggestedMinimumHeight, getSuggestedMinimumWidth, getTag, getTag, getTop, getTopFadingEdgeStrength, getTopPaddingOffset, getTouchables, getTouchDelegate, getVerticalFadingEdgeLength, getVerticalScrollbarWidth, getViewTreeObserver, getVisibility, getWidth, getWindowAttachCount, getWindowToken, getWindowVisibility, getWindowVisibleDisplayFrame, hasFocus, hasFocusable, hasWindowFocus, inflate, initializeFadingEdge, initializeScrollbars, invalidate, invalidate, invalidate, invalidateDrawable, isClickable, isDrawingCacheEnabled, isDuplicateParentStateEnabled, isEnabled, isFocusable, isFocusableInTouchMode, isFocused, isHapticFeedbackEnabled, isHorizontalFadingEdgeEnabled, isHorizontalScrollBarEnabled, isInEditMode, isInTouchMode, isLayoutRequested, isLongClickable, isOpaque, isPaddingOffsetRequired, isPressed, isSaveEnabled, isScrollbarFadingEnabled, isSelected, isShown, isSoundEffectsEnabled, isVerticalFadingEdgeEnabled, isVerticalScrollBarEnabled, layout, measure, mergeDrawableStates, offsetLeftAndRight, offsetTopAndBottom, onAnimationEnd, onAnimationStart, onAttachedToWindow, onCheckIsTextEditor, onConfigurationChanged, onCreateContextMenu, onCreateDrawableState, onCreateInputConnection, onDetachedFromWindow, onDisplayHint, onDrawScrollBars, onFinishInflate, onFinishTemporaryDetach, onFocusChanged, onKeyDown, onKeyLongPress, onKeyMultiple, onKeyPreIme, onKeyShortcut, onKeyUp, onLayout, onMeasure, onRestoreInstanceState, onSaveInstanceState, onScrollChanged, onSetAlpha, onStartTemporaryDetach, onTrackballEvent, onVisibilityChanged, onWindowFocusChanged, onWindowVisibilityChanged, performClick, performHapticFeedback, performHapticFeedback, performLongClick, playSoundEffect, post, postDelayed, postInvalidate, postInvalidate, postInvalidateDelayed, postInvalidateDelayed, refreshDrawableState, removeCallbacks, requestFocus, requestFocus, requestFocus, requestFocusFromTouch, requestLayout, requestRectangleOnScreen, requestRectangleOnScreen, resolveSize, restoreHierarchyState, saveHierarchyState, scheduleDrawable, scrollBy, scrollTo, sendAccessibilityEvent, sendAccessibilityEventUnchecked, setAnimation, setBackgroundColor, setBackgroundDrawable, setBackgroundResource, setClickable, setContentDescription, setDrawingCacheBackgroundColor, setDrawingCacheEnabled, setDrawingCacheQuality, setDuplicateParentStateEnabled, setEnabled, setFadingEdgeLength, setFocusable, setFocusableInTouchMode, setHapticFeedbackEnabled, setHorizontalFadingEdgeEnabled, setHorizontalScrollBarEnabled, setId, setKeepScreenOn, setLayoutParams, setLongClickable, setMeasuredDimension, setMinimumHeight, setMinimumWidth, setNextFocusDownId, setNextFocusLeftId, setNextFocusRightId, setNextFocusUpId, setOnClickListener, setOnCreateContextMenuListener, setOnFocusChangeListener, setOnKeyListener, setOnLongClickListener, setOnTouchListener, setPadding, setPressed, setSaveEnabled, setScrollbarFadingEnabled, setScrollBarStyle, setScrollContainer, setSelected, setSoundEffectsEnabled, setTag, setTag, setTouchDelegate, setVerticalFadingEdgeEnabled, setVerticalScrollBarEnabled, setVisibility, setWillNotCacheDrawing, setWillNotDraw, showContextMenu, startAnimation, unscheduleDrawable, unscheduleDrawable, verifyDrawable, willNotCacheDrawing, willNotDraw
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

SigningView

public SigningView(Context context)
Constructor that initializes the view.

Parameters:
context - The activity context

SigningView

public SigningView(Context context,
                   AttributeSet attrs)
Constructor that initializes the view.

Parameters:
context - The activity context
attrs - The set of attributes

SigningView

public SigningView(Context context,
                   AttributeSet attrs,
                   int params)
Constructor that initializes the view.

Parameters:
context - The activity context
attrs - The set of attributes
params - The params count.
Method Detail

onSizeChanged

protected void onSizeChanged(int w,
                             int h,
                             int oldw,
                             int oldh)
Creates a new canvas and bitmap on size changed.

Overrides:
onSizeChanged in class View

onTouchEvent

public boolean onTouchEvent(MotionEvent event)
Process the motion events and invokes the path drawing.

Overrides:
onTouchEvent in class View

onDraw

protected void onDraw(Canvas canvas)
Draws the bitmap onto the given canvas.

Overrides:
onDraw in class View

getBitmap

public Bitmap getBitmap()
Returns the current bitmap.

Returns:
The current bitmap.