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.oguzbabaoglu.cardpager.CardPager.java

void initCardPager() {

    setWillNotDraw(true);/*from  w w  w .  jav a  2s .  c  o m*/
    setDescendantFocusability(FOCUS_AFTER_DESCENDANTS);
    setFocusable(true);
    setChildrenDrawingOrderEnabled(true);

    final Context context = getContext();
    final ViewConfiguration configuration = ViewConfiguration.get(context);

    density = context.getResources().getDisplayMetrics().density;
    scroller = new Scroller(context, INTERPOLATOR);

    touchSlop = ViewConfigurationCompat.getScaledPagingTouchSlop(configuration);
    maximumVelocity = configuration.getScaledMaximumFlingVelocity();

    minimumVelocity = (int) (MIN_FLING_VELOCITY * density);
    flingDistance = (int) (MIN_DISTANCE_FOR_FLING * density);
    catchAllowance = (int) (CATCH_ALLOWANCE * density);
}

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From source file:cn.edu.zafu.easemob.imagecoverflow.CoverFlowView.java

private void init() {
    setWillNotDraw(false);// w w  w  . j  ava  2  s  .  c  o m
    setClickable(true);

    mChildTransformer = new Matrix();
    mReflectionTransformer = new Matrix();

    mTouchRect = new RectF();

    mImageRecorder = new SparseArray<int[]>();

    mDrawChildPaint = new Paint();
    mDrawChildPaint.setAntiAlias(true);
    mDrawChildPaint.setFlags(Paint.ANTI_ALIAS_FLAG);

    mCoverFlowPadding = new Rect();

    mDrawFilter = new PaintFlagsDrawFilter(0, Paint.ANTI_ALIAS_FLAG | Paint.FILTER_BITMAP_FLAG);

    mScroller = new Scroller(getContext(), new AccelerateDecelerateInterpolator());
}

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From source file:bk.vinhdo.taxiads.utils.view.SlidingLayer.java

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

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

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From source file:cn.org.eshow.framwork.view.slidingmenu.CustomViewAbove.java

/**
 * Inits the custom view above./*from   w ww  .j  ava 2  s.co m*/
 */
void initCustomViewAbove() {
    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();
    setInternalPageChangeListener(new SimpleOnPageChangeListener() {
        public void onPageSelected(int position) {
            if (mViewBehind != null) {
                switch (position) {
                case 0:
                case 2:
                    mViewBehind.setChildrenEnabled(true);
                    break;
                case 1:
                    mViewBehind.setChildrenEnabled(false);
                    break;
                }
            }
        }
    });

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

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From source file:com.hb.hkm.slidinglayer.SlidLayer.java

private void init() {

    setWillNotDraw(false);//from  w  w  w  .  ja  v a2s .  co m
    setDescendantFocusability(FOCUS_AFTER_DESCENDANTS);
    setFocusable(true);

    final Context context = getContext();
    mScroller = new Scroller(context, sMenuInterpolator);

    final ViewConfiguration configuration = ViewConfiguration.get(context);
    mTouchSlop = ViewConfigurationCompat.getScaledPagingTouchSlop(configuration);
    mMinimumVelocity = configuration.getScaledMinimumFlingVelocity();
    mMaximumVelocity = configuration.getScaledMaximumFlingVelocity();

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

    mRandom = new Random();
}

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From source file:com.wunderlist.slidinglayer.SlidingLayer.java

private void init() {

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
        setLayerType(LAYER_TYPE_HARDWARE, null);
    }/*from  ww  w  .jav a 2s .co m*/

    setWillNotDraw(false);
    setDescendantFocusability(FOCUS_AFTER_DESCENDANTS);
    setFocusable(true);

    final Context context = getContext();
    mScroller = new Scroller(context, sMenuInterpolator);

    final ViewConfiguration configuration = ViewConfiguration.get(context);
    mTouchSlop = ViewConfigurationCompat.getScaledPagingTouchSlop(configuration);
    mMinimumVelocity = configuration.getScaledMinimumFlingVelocity();
    mMaximumVelocity = configuration.getScaledMaximumFlingVelocity();

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

    mRandom = new Random();
}

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From source file:com.yao.zhihudaily.tool.LazyViewPager.java

void initViewPager() {
    setWillNotDraw(false);/*from   w  ww . j  a  v  a 2s . 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);
    float density = context.getResources().getDisplayMetrics().density;
    mBaseLineFlingVelocity = 2500.0f * density;
    mFlingVelocityInfluence = 0.4f;
}

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From source file:com.samsistemas.calendarview.widget.CalendarView.java

/**
 * This method init all necessary variables and Views that our Calendar is going to use.
 *///from w w  w .ja v  a  2  s  .c  o m
private void init() {
    mScroller = new Scroller(mContext, null);

    //Variables associated to handle touch events..
    final ViewConfiguration configuration = ViewConfiguration.get(mContext);
    final float density = mContext.getResources().getDisplayMetrics().density;

    //Variables associated to Swipe..
    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);
    mDefaultGutterSize = (int) (DEFAULT_GUTTER_SIZE * density);

    //Inflate current view..
    mView = LayoutInflater.from(mContext).inflate(R.layout.material_calendar_with_title, this, true);

    //Get buttons for Calendar and set its listeners..
    mBackButton = (ImageView) mView.findViewById(R.id.left_button);
    mNextButton = (ImageView) mView.findViewById(R.id.right_button);

    mBackButton.setOnClickListener(new OnClickListener() {
        @Override
        public void onClick(View v) {
            mCurrentMonthIndex--;
            mCalendar = Calendar.getInstance(Locale.getDefault());
            mCalendar.add(Calendar.MONTH, mCurrentMonthIndex);

            refreshCalendar(mCalendar);
            if (mOnMonthChangedListener != null) {
                mOnMonthChangedListener.onMonthChanged(mCalendar.getTime());
            }
        }
    });

    mNextButton.setOnClickListener(new OnClickListener() {
        @Override
        public void onClick(View v) {
            mCurrentMonthIndex++;
            mCalendar = Calendar.getInstance(Locale.getDefault());
            mCalendar.add(Calendar.MONTH, mCurrentMonthIndex);
            refreshCalendar(mCalendar);

            if (mOnMonthChangedListener != null) {
                mOnMonthChangedListener.onMonthChanged(mCalendar.getTime());
            }
        }
    });

    setFirstDayOfWeek(Calendar.SUNDAY);
    refreshCalendar(Calendar.getInstance(getLocale()));
}

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From source file:bw.com.yunifangstore.view.LazyViewPager.java

void initViewPager() {
    setWillNotDraw(false);/*www  . j av  a 2 s.com*/
    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);

    float density = context.getResources().getDisplayMetrics().density;
    mBaseLineFlingVelocity = 2500.0f * density;
    mFlingVelocityInfluence = 0.4f;
}

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From source file:com.microhealthllc.Slide.MultiShrinkScroller.java

/**
 * Create a new instance of MultiShrinkScroller.
 *
 * @param context//from   www  . j  ava 2s .  c om
 * @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);
    paddedLayout = getResources().getBoolean(R.bool.padded_layout);
    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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