Example usage for android.widget Scroller Scroller

Introduction

In this page you can find the example usage for android.widget Scroller Scroller.

Prototype

public Scroller(Context context, Interpolator interpolator) 

Source Link

Document

Create a Scroller with the specified interpolator.

Usage

From source file:com.klinker.android.sliding.MultiShrinkScroller.java

/**
 * Create a new instance of MultiShrinkScroller.
 * @param context//from w w w.  j a  v  a2 s . c  o m
 * @param attrs
 * @param defStyleAttr
 */
public MultiShrinkScroller(Context context, AttributeSet attrs, int defStyleAttr) {
    super(context, attrs, defStyleAttr);

    final ViewConfiguration configuration = ViewConfiguration.get(context);
    setFocusable(false);
    setWillNotDraw(false);

    edgeGlowBottom = new EdgeEffect(context);
    edgeGlowTop = new EdgeEffect(context);
    scroller = new Scroller(context, INTERPOLATOR);
    touchSlop = configuration.getScaledTouchSlop();
    minimumVelocity = configuration.getScaledMinimumFlingVelocity();
    maximumVelocity = configuration.getScaledMaximumFlingVelocity();
    transparentStartHeight = (int) getResources().getDimension(R.dimen.sliding_starting_empty_height);
    toolbarElevation = getResources().getDimension(R.dimen.sliding_toolbar_elevation);
    isTwoPanel = getResources().getBoolean(R.bool.sliding_two_panel);
    maximumTitleMargin = (int) getResources().getDimension(R.dimen.sliding_title_initial_margin);

    dismissDistanceOnScroll = (int) getResources().getDimension(R.dimen.sliding_dismiss_distance_on_scroll);
    dismissDistanceOnRelease = (int) getResources().getDimension(R.dimen.sliding_dismiss_distance_on_release);
    snapToTopSlopHeight = (int) getResources().getDimension(R.dimen.sliding_snap_to_top_slop_height);

    final TypedValue photoRatio = new TypedValue();
    getResources().getValue(R.dimen.sliding_landscape_photo_ratio, photoRatio, true);
    landscapePhotoRatio = photoRatio.getFloat();

    final TypedArray attributeArray = context
            .obtainStyledAttributes(new int[] { android.R.attr.actionBarSize });
    actionBarSize = attributeArray.getDimensionPixelSize(0, 0);
    minimumHeaderHeight = actionBarSize;
    attributeArray.recycle();

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
        textSizePathInterpolator = new PathInterpolator(X1, Y1, X2, Y2);
    } else {
        textSizePathInterpolator = null;
    }
}

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From source file:com.example.refresh.draggridview.DraggableGridViewPager.java

private void initDraggableGridViewPager() {
    setWillNotDraw(false);//from w  w w. ja  va2s . c om
    setDescendantFocusability(FOCUS_AFTER_DESCENDANTS);
    setFocusable(true);
    setChildrenDrawingOrderEnabled(true);

    final Context context = getContext();
    final ViewConfiguration configuration = ViewConfiguration.get(context);
    final float density = context.getResources().getDisplayMetrics().density;

    mGridGap = (int) (DEFAULT_GRID_GAP * density);

    // internal paddings
    mPaddingLeft = getPaddingLeft();
    mPaddingTop = getPaddingTop();
    mPaddingRight = getPaddingRight();
    mPaddingButtom = getPaddingBottom();
    super.setPadding(0, 0, 0, 0);

    mScroller = new Scroller(context, sInterpolator);
    mTouchSlop = ViewConfigurationCompat.getScaledPagingTouchSlop(configuration);
    mMinimumVelocity = (int) (MIN_FLING_VELOCITY * density);
    mMaximumVelocity = configuration.getScaledMaximumFlingVelocity();

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

}

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From source file:com.coco.draggablegridviewpager.DraggableGridViewPager.java

private void initDraggableGridViewPager() {
    setWillNotDraw(false);//from w w  w  .  j a v  a 2s  .  com
    setDescendantFocusability(FOCUS_AFTER_DESCENDANTS);
    setFocusable(true);
    setChildrenDrawingOrderEnabled(true);

    final Context context = getContext();
    final ViewConfiguration configuration = ViewConfiguration.get(context);
    final float density = context.getResources().getDisplayMetrics().density;

    mGridGap = (int) (DEFAULT_GRID_GAP * density);

    // internal paddings
    mPaddingLeft = getPaddingLeft();
    mPaddingTop = getPaddingTop();
    mPaddingRight = getPaddingRight();
    mPaddingButtom = getPaddingBottom();
    super.setPadding(0, 0, 0, 0);

    mScroller = new Scroller(context, sInterpolator);
    mTouchSlop = ViewConfigurationCompat.getScaledPagingTouchSlop(configuration);
    mMinimumVelocity = (int) (MIN_FLING_VELOCITY * density);
    mMaximumVelocity = configuration.getScaledMaximumFlingVelocity();

    mFlingDistance = (int) (MIN_DISTANCE_FOR_FLING * density);
    mCloseEnough = (int) (CLOSE_ENOUGH * density);
}

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From source file:com.android.launcher2.PagedView.java

/**
 * Initializes various states for this workspace.
 */// www .  ja v a  2  s  . c  o m
protected void init() {
    mDirtyPageContent = new ArrayList<Boolean>();
    mDirtyPageContent.ensureCapacity(32);
    mScroller = new Scroller(getContext(), new ScrollInterpolator());
    mCurrentPage = 0;
    mCenterPagesVertically = true;

    final ViewConfiguration configuration = ViewConfiguration.get(getContext());
    mTouchSlop = configuration.getScaledTouchSlop();
    mPagingTouchSlop = configuration.getScaledPagingTouchSlop();
    mMaximumVelocity = configuration.getScaledMaximumFlingVelocity();
    mDensity = getResources().getDisplayMetrics().density;

    mFlingThresholdVelocity = (int) (FLING_THRESHOLD_VELOCITY * mDensity);
    mMinFlingVelocity = (int) (MIN_FLING_VELOCITY * mDensity);
    mMinSnapVelocity = (int) (MIN_SNAP_VELOCITY * mDensity);
    setOnHierarchyChangeListener(this);
}

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From source file:library.slideMenu.SlideMenu.java

public void setInterpolator(Interpolator interpolator) {
    mInterpolator = interpolator;
    mScroller = new Scroller(getContext(), interpolator);
}

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From source file:android.improving.utils.views.cardsview.OrientedViewPager.java

void initViewPager() {
    setWillNotDraw(false);/* ww w .  j  a  va 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);
    final float density = context.getResources().getDisplayMetrics().density;

    mTouchSlop = ViewConfigurationCompat.getScaledPagingTouchSlop(configuration);
    mMinimumVelocity = (int) (MIN_FLING_VELOCITY * density);
    mMaximumVelocity = configuration.getScaledMaximumFlingVelocity();
    mTopLeftEdge = new EdgeEffectCompat(context);
    mRightBottomEdge = 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);
    }
}

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From source file:com.digreamon.android.widget.SlidingPaneLayout.java

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

    mScroller = new Scroller(context, sInterpolator);
    mGutterSize = (int) dp2px(DEFAULT_GUTTER_SIZE);
    mOverhangSize = (int) dp2px(DEFAULT_OVERHANG_SIZE);

    final ViewConfiguration viewConfig = ViewConfiguration.get(context);
    mTouchSlop = ViewConfigurationCompat.getScaledPagingTouchSlop(viewConfig);
    mMaxVelocity = viewConfig.getScaledMaximumFlingVelocity();

    setWillNotDraw(false);/*from   www .j  a v  a2s .c  o  m*/
}

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From source file:com.icloud.listenbook.base.view.DraggableGridViewPager.java

private void initDraggableGridViewPager() {
    // OnDraw//ww  w .  j ava  2s .co  m
    setWillNotDraw(false);
    // ?Child View?Child View???
    setDescendantFocusability(FOCUS_AFTER_DESCENDANTS);
    // ??
    setFocusable(true);
    // ?? ??
    setChildrenDrawingOrderEnabled(true);

    final Context context = getContext();
    final ViewConfiguration configuration = ViewConfiguration.get(context);
    final float density = context.getResources().getDisplayMetrics().density;

    mGridGap = (int) (DEFAULT_GRID_GAP * density);

    // internal paddings
    mPaddingLeft = getPaddingLeft();
    mPaddingTop = getPaddingTop();
    mPaddingRight = getPaddingRight();
    mPaddingButtom = getPaddingBottom();
    super.setPadding(0, 0, 0, 0);

    mScroller = new Scroller(context, sInterpolator);
    mTouchSlop = ViewConfigurationCompat.getScaledPagingTouchSlop(configuration);
    mMinimumVelocity = (int) (MIN_FLING_VELOCITY * density);
    mMaximumVelocity = configuration.getScaledMaximumFlingVelocity();

    mFlingDistance = (int) (MIN_DISTANCE_FOR_FLING * density);
    mCloseEnough = (int) (CLOSE_ENOUGH * density);
}

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From source file:com.chenglong.muscle.ui.LazyViewPager.java

void initViewPager() {
    setWillNotDraw(false);/*from ww  w .  j  av  a2 s  .co 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();
    mLeftEdge = new EdgeEffectCompat(context);
    mRightEdge = new EdgeEffectCompat(context);
    final float density = context.getResources().getDisplayMetrics().density;
    mFlingDistance = (int) (MIN_DISTANCE_FOR_FLING * density);
}

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From source file:com.gome.ecmall.custom.VerticalViewPager.java

void initViewPager() {
    setWillNotDraw(false);/*from  w  w w  .  j ava  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);
    mTouchSlop = ViewConfigurationCompat.getScaledPagingTouchSlop(configuration);
    mMinimumVelocity = configuration.getScaledMinimumFlingVelocity();
    mMaximumVelocity = configuration.getScaledMaximumFlingVelocity();
    mTopEdge = new EdgeEffectCompat(context);
    mBottomEdge = new EdgeEffectCompat(context);

    final float density = MobileDeviceUtil.getInstance(context.getApplicationContext()).getScreenDensity();
    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);
    }
}

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