Example usage for android.support.v4.widget EdgeEffectCompat EdgeEffectCompat

List of usage examples for android.support.v4.widget EdgeEffectCompat EdgeEffectCompat

  1. HOME
  2. Java
  3. android
  4. android.support.v4.widget.*
  5. EdgeEffectCompat
  6. EdgeEffectCompat

Introduction

In this page you can find the example usage for android.support.v4.widget EdgeEffectCompat EdgeEffectCompat.

Prototype

public EdgeEffectCompat(Context context)

Source Link

Document

Construct a new EdgeEffect themed using the given context.

Usage

From source file:com.appunite.scroll.ScaleImageView.java

@SuppressWarnings("UnusedDeclaration")
public ScaleImageView(Context context, AttributeSet attrs, int defStyle) {
    super(context, attrs, defStyle);

    final ViewConfiguration viewConfiguration = ViewConfiguration.get(context);
    mMinEdge = viewConfiguration.getScaledEdgeSlop();

    TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.ScaleImageView, defStyle, defStyle);
    assert a != null;

    Drawable src = null;//  w ww  . ja  v a 2  s  . c o  m
    try {
        mMinWidth = a.getDimensionPixelSize(R.styleable.ScaleImageView_android_minWidth, 0);
        mMinHeight = a.getDimensionPixelSize(R.styleable.ScaleImageView_android_minHeight, 0);
        src = a.getDrawable(R.styleable.ScaleImageView_android_src);
    } finally {
        a.recycle();
    }

    ScaleGestureDetector.OnScaleGestureListener scaleGestureListener = new ScaleGestureDetector.SimpleOnScaleGestureListener() {
        /**
         * This is the active focal point in terms of the viewport. Could be a local
         * variable but kept here to minimize per-frame allocations.
         */
        private PointF viewportFocus = new PointF();

        @Override
        public boolean onScaleBegin(ScaleGestureDetector scaleGestureDetector) {
            final ViewParent parent = getParent();
            if (parent != null) {
                parent.requestDisallowInterceptTouchEvent(true);
            }
            return true;
        }

        @Override
        public boolean onScale(ScaleGestureDetector scaleGestureDetector) {
            float focusX = scaleGestureDetector.getFocusX();
            float focusY = scaleGestureDetector.getFocusY();
            float scaleFactor = scaleGestureDetector.getScaleFactor();
            float previousScale = mScale;
            mScale *= scaleFactor;

            doScale(focusX, focusY, scaleFactor);
            return true;
        }

    };
    GestureDetector.SimpleOnGestureListener gestureListener = new GestureDetector.SimpleOnGestureListener() {
        @Override
        public boolean onDown(MotionEvent e) {

            releaseEdgeEffects();
            mScroller.forceFinished(true);
            ViewCompat.postInvalidateOnAnimation(ScaleImageView.this);
            return true;
        }

        @Override
        public boolean onSingleTapConfirmed(MotionEvent e) {
            return performClick();
        }

        @Override
        public boolean onDoubleTap(MotionEvent e) {
            mZoomer.forceFinished(true);
            mZoomStartScale = mScale;
            mZoomFocalPoint.set(e.getX(), e.getY());
            mZoomer.startZoom(ZOOM_AMOUNT);
            ViewCompat.postInvalidateOnAnimation(ScaleImageView.this);
            return true;
        }

        @Override
        public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) {
            getRealTranslation(mTranslation, mRealTranslation);
            mRealTranslation.offset(-distanceX, -distanceY);
            getTranslation(mRealTranslation, mTranslation);

            computeMaxScrollSize(mMaxScrollBuffer);
            getImageRect(mRectF);
            float scrolledX = -mRectF.left;
            float scrolledY = -mRectF.top;
            boolean canScrollX = mRectF.left > mContentRect.left || mRectF.right < mContentRect.right;
            boolean canScrollY = mRectF.top > mContentRect.top || mRectF.bottom < mContentRect.bottom;
            validateTranslation();

            disallowParentInterceptWhenOnEdge(distanceX, distanceY);

            if (mScale > mMinScale) {
                if (canScrollX && scrolledX < 0) {
                    mEdgeEffectLeft.onPull(scrolledX / (float) mContentRect.width());
                    mEdgeEffectLeftActive = true;
                }
                if (canScrollY && scrolledY < 0) {
                    mEdgeEffectTop.onPull(scrolledY / (float) mContentRect.height());
                    mEdgeEffectTopActive = true;
                }
                if (canScrollX && scrolledX > mMaxScrollBuffer.x) {
                    mEdgeEffectRight.onPull((scrolledX - mMaxScrollBuffer.x) / (float) mContentRect.width());
                    mEdgeEffectRightActive = true;
                }
                if (canScrollY && scrolledY > mMaxScrollBuffer.y) {
                    mEdgeEffectBottom.onPull((scrolledY - mMaxScrollBuffer.y) / (float) mContentRect.height());
                    mEdgeEffectBottomActive = true;
                }
            }

            ViewCompat.postInvalidateOnAnimation(ScaleImageView.this);
            return true;
        }

        private void disallowParentInterceptWhenOnEdge(float directionX, float directionY) {
            final ViewParent parent = getParent();
            if (parent != null && (mAllowParentHorizontalScroll || mAllowParentVerticalScroll)) {
                getImageRect(mRectF);
                if (mAllowParentHorizontalScroll) {
                    if (directionX > 0 && Math.abs(mRectF.right - mContentRect.right) > mMinEdge) {
                        parent.requestDisallowInterceptTouchEvent(true);
                    }
                    if (directionX < 0 && Math.abs(mRectF.left - mContentRect.left) > mMinEdge) {
                        parent.requestDisallowInterceptTouchEvent(true);
                    }
                }
                if (mAllowParentVerticalScroll) {
                    if (directionY > 0 && Math.abs(mRectF.bottom - mContentRect.bottom) > mMinEdge) {
                        parent.requestDisallowInterceptTouchEvent(true);
                    }
                    if (directionY < 0 && Math.abs(mRectF.top - mContentRect.top) > mMinEdge) {
                        parent.requestDisallowInterceptTouchEvent(true);
                    }
                }
            }
        }

        @Override
        public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
            disallowParentInterceptWhenOnEdge(velocityX, velocityY);
            fling((int) -velocityX, (int) -velocityY);
            return true;
        }
    };

    mScaleGestureDetector = new ScaleGestureDetector(context, scaleGestureListener);
    mGestureDetector = new GestureDetectorCompat(context, gestureListener);

    mScroller = new OverScroller(context);
    mZoomer = new Zoomer(context);

    // Sets up edge effects
    mEdgeEffectLeft = new EdgeEffectCompat(context);
    mEdgeEffectTop = new EdgeEffectCompat(context);
    mEdgeEffectRight = new EdgeEffectCompat(context);
    mEdgeEffectBottom = new EdgeEffectCompat(context);

    setSrcDrawable(src);
}

From source file:com.brantapps.viewpagerindicator.vertical.VerticalViewPager.java

void initViewPager() {
    setWillNotDraw(false);/*from   ww  w.  j av a  2s . c o  m*/
    setDescendantFocusability(FOCUS_AFTER_DESCENDANTS);
    setFocusable(true);
    final Context context = getContext();
    mScroller = new Scroller(context, sInterpolator);
    final ViewConfiguration configuration = ViewConfiguration.get(context);
    mTouchSlop = ViewConfigurationCompat.getScaledPagingTouchSlop(configuration);
    mMinimumVelocity = configuration.getScaledMinimumFlingVelocity();
    mMaximumVelocity = configuration.getScaledMaximumFlingVelocity();
    mTopEdge = new EdgeEffectCompat(context);
    mBottomEdge = new EdgeEffectCompat(context);

    final float density = context.getResources().getDisplayMetrics().density;
    mFlingDistance = (int) (MIN_DISTANCE_FOR_FLING * density);
    mCloseEnough = (int) (CLOSE_ENOUGH * density);
    mDefaultGutterSize = (int) (DEFAULT_GUTTER_SIZE * density);

    ViewCompat.setAccessibilityDelegate(this, new MyAccessibilityDelegate());

    // TODO: Could restore these lines after ActionBarSherlock is upgraded to support library v9
    //        if (ViewCompat.getImportantForAccessibility(this)
    //                == ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_AUTO) {
    //            ViewCompat.setImportantForAccessibility(this,
    //                    ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_YES);
    //        }
}

From source file:administrator.example.com.myscrollview.VerticalViewPager.java

/**
 * ?View Pager/*from w ww.  jav  a 2  s . co m*/
 */
void initViewPager() {
    setWillNotDraw(false);
    setDescendantFocusability(FOCUS_AFTER_DESCENDANTS);
    setFocusable(true);
    final Context context = getContext();
    mScroller = new Scroller(context, sInterpolator);
    final ViewConfiguration configuration = ViewConfiguration.get(context);
    mTouchSlop = ViewConfigurationCompat.getScaledPagingTouchSlop(configuration);
    mMinimumVelocity = configuration.getScaledMinimumFlingVelocity();
    mMaximumVelocity = configuration.getScaledMaximumFlingVelocity();
    //XXX 
    mTopEdge = new EdgeEffectCompat(context);
    mBottomEdge = new EdgeEffectCompat(context);

    final float density = context.getResources().getDisplayMetrics().density;
    mFlingDistance = (int) (MIN_DISTANCE_FOR_FLING * density);
}

From source file:com.bloomimpact.bancus.ui.views.VerticalViewPager.java

void initViewPager() {
    setWillNotDraw(false);/*from  w w  w .java 2  s . c o  m*/
    setDescendantFocusability(FOCUS_AFTER_DESCENDANTS);
    setFocusable(true);
    final Context context = getContext();
    mScroller = new Scroller(context, sInterpolator);
    final ViewConfiguration configuration = ViewConfiguration.get(context);
    final float density = context.getResources().getDisplayMetrics().density;

    mTouchSlop = ViewConfigurationCompat.getScaledPagingTouchSlop(configuration);
    mMinimumVelocity = (int) (MIN_FLING_VELOCITY * density);
    mMaximumVelocity = configuration.getScaledMaximumFlingVelocity();
    mTopEdge = new EdgeEffectCompat(context);
    mBottomEdge = new EdgeEffectCompat(context);

    mFlingDistance = (int) (MIN_DISTANCE_FOR_FLING * density);
    mCloseEnough = (int) (CLOSE_ENOUGH * density);
    mDefaultGutterSize = (int) (DEFAULT_GUTTER_SIZE * density);

    ViewCompat.setAccessibilityDelegate(this, new MyAccessibilityDelegate());

    if (ViewCompat.getImportantForAccessibility(this) == ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_AUTO) {
        ViewCompat.setImportantForAccessibility(this, ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_YES);
    }
}

From source file:com.bulletnoid.android.widget.StaggeredGridView.StaggeredGridView3.java

public StaggeredGridView3(Context context, AttributeSet attrs, int defStyle) {
    super(context, attrs, defStyle);

    if (attrs != null) {
        TypedArray a = getContext().obtainStyledAttributes(attrs, R.styleable.StgStaggeredGridView);
        mColCount = a.getInteger(R.styleable.StgStaggeredGridView_stgNumColumns, 2);
        mDrawSelectorOnTop = a.getBoolean(R.styleable.StgStaggeredGridView_stgDrawSelectorOnTop, false);
    } else {/*from  ww  w .j a va  2  s .c o  m*/
        mColCount = 2;
        mDrawSelectorOnTop = false;
    }

    final ViewConfiguration vc = ViewConfiguration.get(context);
    mTouchSlop = vc.getScaledTouchSlop();
    mMaximumVelocity = vc.getScaledMaximumFlingVelocity();
    mFlingVelocity = vc.getScaledMinimumFlingVelocity();
    //mScroller=ScrollerCompat.from(context);

    mTopEdge = new EdgeEffectCompat(context);
    mBottomEdge = new EdgeEffectCompat(context);
    setWillNotDraw(false);
    setClipToPadding(false);
    this.setFocusableInTouchMode(false);

    if (mSelector == null) {
        useDefaultSelector();
    }

    mMinimumVelocity = vc.getScaledMinimumFlingVelocity();
    mMaximumVelocity = vc.getScaledMaximumFlingVelocity();
}

From source file:com.bluetoothlamp.tiny.view.verticalview.VerticalViewPager.java

/**
 * ??iew Pager//from   ww  w.  j  ava 2  s .  c  o  m
 */
void initViewPager() {
    setWillNotDraw(false);
    setDescendantFocusability(FOCUS_AFTER_DESCENDANTS);
    setFocusable(true);
    final Context context = getContext();
    mScroller = new Scroller(context, sInterpolator);
    final ViewConfiguration configuration = ViewConfiguration.get(context);
    mTouchSlop = ViewConfigurationCompat.getScaledPagingTouchSlop(configuration);
    mMinimumVelocity = configuration.getScaledMinimumFlingVelocity();
    mMaximumVelocity = configuration.getScaledMaximumFlingVelocity();
    //XXX ?
    mTopEdge = new EdgeEffectCompat(context);
    mBottomEdge = new EdgeEffectCompat(context);

    final float density = context.getResources().getDisplayMetrics().density;
    mFlingDistance = (int) (MIN_DISTANCE_FOR_FLING * density);
}

From source file:com.example.view.VerticalViewPager.java

/**
  * /*from w w w  .jav a  2s .co m*/
  */
void initViewPager() {
    setWillNotDraw(false);
    setDescendantFocusability(FOCUS_AFTER_DESCENDANTS);
    setFocusable(true);
    final Context context = getContext();
    mScroller = new Scroller(context, sInterpolator);
    final ViewConfiguration configuration = ViewConfiguration.get(context);
    mTouchSlop = ViewConfigurationCompat.getScaledPagingTouchSlop(configuration);
    mMinimumVelocity = configuration.getScaledMinimumFlingVelocity();
    mMaximumVelocity = configuration.getScaledMaximumFlingVelocity();
    //
    mTopEdge = new EdgeEffectCompat(context);
    mBottomEdge = new EdgeEffectCompat(context);

    final float density = context.getResources().getDisplayMetrics().density;
    mFlingDistance = (int) (MIN_DISTANCE_FOR_FLING * density);
}

From source file:com.android.backups.StaggeredGridViewByJaumo.java

public StaggeredGridViewByJaumo(Context context, AttributeSet attrs, int defStyle) {
    super(context, attrs, defStyle);

    if (attrs != null) {
        TypedArray a = getContext().obtainStyledAttributes(attrs, R.styleable.StaggeredGridView);
        mColCount = a.getInteger(R.styleable.StaggeredGridView_numColumns, 2);
        mDrawSelectorOnTop = a.getBoolean(R.styleable.StaggeredGridView_drawSelectorOnTop, false);
    } else {//from  w w w.j a v  a 2s.c  o  m
        mColCount = 2;
        mDrawSelectorOnTop = false;
    }

    final ViewConfiguration vc = ViewConfiguration.get(context);
    mTouchSlop = vc.getScaledTouchSlop();
    mMaximumVelocity = vc.getScaledMaximumFlingVelocity();
    mFlingVelocity = vc.getScaledMinimumFlingVelocity();
    mScroller = ScrollerCompat.from(context);

    mTopEdge = new EdgeEffectCompat(context);
    mBottomEdge = new EdgeEffectCompat(context);
    setWillNotDraw(false);
    setClipToPadding(false);
    this.setFocusableInTouchMode(false);

    if (mSelector == null) {
        useDefaultSelector();
    }
}

From source file:interactive.view.pagereader.VerticalViewPager.java

/**
 * ?iew Pager//  w  ww  .  ja va2 s  .  c  o  m
 */
void initViewPager() {
    setWillNotDraw(false);
    setDescendantFocusability(FOCUS_AFTER_DESCENDANTS);
    setFocusable(true);
    final Context context = getContext();
    mScroller = new Scroller(context, sInterpolator);
    final ViewConfiguration configuration = ViewConfiguration.get(context);
    mTouchSlop = ViewConfigurationCompat.getScaledPagingTouchSlop(configuration);
    mMinimumVelocity = configuration.getScaledMinimumFlingVelocity();
    mMaximumVelocity = configuration.getScaledMaximumFlingVelocity();
    // XXX 
    mTopEdge = new EdgeEffectCompat(context);
    mBottomEdge = new EdgeEffectCompat(context);

    final float density = context.getResources().getDisplayMetrics().density;
    mFlingDistance = (int) (MIN_DISTANCE_FOR_FLING * density);
}

From source file:com.baiiu.autoloopviewpager.loopvp.LoopViewPager.java

void initViewPager() {
    setWillNotDraw(false);//from   www .  j  a  v a  2  s.c  om
    setDescendantFocusability(FOCUS_AFTER_DESCENDANTS);
    setFocusable(true);
    final Context context = getContext();
    mScroller = new Scroller(context, sInterpolator);
    final ViewConfiguration configuration = ViewConfiguration.get(context);
    mTouchSlop = ViewConfigurationCompat.getScaledPagingTouchSlop(configuration);
    mMinimumVelocity = configuration.getScaledMinimumFlingVelocity();
    mMaximumVelocity = configuration.getScaledMaximumFlingVelocity();
    mLeftEdge = new EdgeEffectCompat(context);
    mRightEdge = new EdgeEffectCompat(context);

    final float density = context.getResources().getDisplayMetrics().density;
    mFlingDistance = (int) (MIN_DISTANCE_FOR_FLING * density);
    mCloseEnough = (int) (CLOSE_ENOUGH * density);
    mDefaultGutterSize = (int) (DEFAULT_GUTTER_SIZE * density);

    ViewCompat.setAccessibilityDelegate(this, new MyAccessibilityDelegate());

    if (ViewCompat.getImportantForAccessibility(this) == ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_AUTO) {
        ViewCompat.setImportantForAccessibility(this, ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_YES);
    }
}