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) 

Source Link

Document

Create a Scroller with the default duration and interpolator.

Usage

From source file:com.leeon.blank.widget.RangeBarNew.java

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

    applyConfig(context, attrs);/*from  ww w  . j a v a 2  s  .c o  m*/

    mTouchSlop = ViewConfigurationCompat.getScaledPagingTouchSlop(ViewConfiguration.get(context));

    mPaddingRect = new Rect();
    mLeftCursorRect = new Rect();
    mRightCursorRect = new Rect();
    mLeftIndicatorRect = new Rect();
    mRightIndicatorRect = new Rect();

    mPaddingRect.left = getPaddingLeft();
    mPaddingRect.top = getPaddingTop();
    mPaddingRect.right = getPaddingRight();
    mPaddingRect.bottom = getPaddingBottom();

    mRangeBarRect = new RectF();
    mRangeBarRectSelected = new RectF();

    if (mTextArray != null) {
        mTextWidthArray = new float[mTextArray.length];
    }

    mLeftScroller = new Scroller(context);
    mRightScroller = new Scroller(context);

    initPaint();
    initTextWidthArray();

    setWillNotDraw(false);
    setFocusable(true);
    setClickable(true);
}

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From source file:com.jackie.refresh.RefreshLayoutBase.java

/**
 * @param context/*from w  ww  .j  a  v  a  2  s .c  o m*/
 * @param attrs
 */
public RefreshLayoutBase(Context context, AttributeSet attrs) {
    super(context, attrs);
    // ?
    mScroller = new Scroller(context);
    // ??
    mScreenHeight = context.getResources().getDisplayMetrics().heightPixels;
    // header?1/4
    mHeaderHeight = mScreenHeight / 4;

    // ?
    initLayout(context);
}

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From source file:info.ipeanut.youngsamples.third.viewgroup.directionalViewPager.DirectionalViewPager.java

void initViewPager() {
    ///*  w  w w. j a v  a  2s .  co m*/
    setWillNotDraw(false);
    mScroller = new Scroller(getContext());
    final ViewConfiguration configuration = ViewConfiguration.get(getContext());
    mTouchSlop = ViewConfigurationCompat.getScaledPagingTouchSlop(configuration);
    mMinimumVelocity = configuration.getScaledMinimumFlingVelocity();//Fling
    mMaximumVelocity = configuration.getScaledMaximumFlingVelocity();
    //crush
    //        setPageTransformer(false,new DefaultTransformer());
}

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From source file:com.xyczero.customswipelistview.CustomSwipeListView.java

private void initCustomSwipeListView() {
    final Context context = getContext();
    final ViewConfiguration configuration = ViewConfiguration.get(context);

    mTouchSlop = ViewConfiguration.get(context).getScaledTouchSlop() * 5;
    mMaximumVelocity = configuration.getScaledMaximumFlingVelocity();
    // set minimum velocity according to the MIN_VELOCITY.
    mMinimumVelocity = CustomSwipeUtils.convertDptoPx(context, MIN_VELOCITY);
    mScreenWidth = CustomSwipeUtils.getScreenWidth(context);
    mScroller = new Scroller(context);
    initSwipeItemTriggerDeltaX();//w  w w  .j  a  v a 2s.  c om

    // set default value.
    mCurTouchSwipeMode = TOUCH_SWIPE_NONE;
    mSelectedPosition = INVALID_POSITION;
}

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From source file:com.zenithed.core.widget.scaledimageview.ScaledImageView.java

/**
 * Sets up gesture detection and finds the original image dimensions. Nothing else is done until onDraw() is called
 * because the view dimensions will normally be unknown when this method is called.
 *//*  ww w.j av  a 2s  .c om*/
private void initialize(Context context) {
    mContext = context;

    mScroller = new Scroller(mContext);
    mZoomer = new Zoomer(mContext);

    mMovementGestureDetector = new GestureDetectorCompat(mContext, mMovementGestureListener);
    mScaleGestureDetector = new ScaleGestureDetector(mContext, mScaleGestureListener);
    // by default the view must be enabled since it doesn't contain any content.
    setEnabled(false);
}

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From source file:com.eccyan.widget.SpinningTabStrip.java

public SpinningTabStrip(Context context, AttributeSet attrs, int defStyle) {
    super(context, attrs, defStyle);
    setFillViewport(true);/*from w w  w.ja  v  a 2s  .c  om*/
    setWillNotDraw(false);
    tabsContainer = new LinearLayout(context);
    tabsContainer.setOrientation(LinearLayout.HORIZONTAL);
    tabsContainer.setLayoutParams(new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT));
    addView(tabsContainer);

    flingVelocity = new Scroller(getContext());
    flinger = new Flinger();
    gestureDetector = new GestureDetector(getContext(), new GestureDetector.SimpleOnGestureListener() {
        @Override
        public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {

            flingVelocity.forceFinished(true);
            flingVelocity.fling(getScrollX(), getScrollY(), -(int) velocityX, -(int) velocityY,
                    Integer.MIN_VALUE, Integer.MAX_VALUE, 0, getHeight());

            scrollStopped.set(false);
            Log.d(TAG, "scroll fling started");

            return true;
        }

        @Override
        public boolean onDown(MotionEvent e) {
            if (!flingVelocity.isFinished()) {
                flingVelocity.forceFinished(true);
            }

            if (!flinger.isFinished()) {
                flinger.forceFinished(true);
            }

            return super.onDown(e);
        }
    });

    DisplayMetrics dm = getResources().getDisplayMetrics();
    scrollOffset = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, scrollOffset, dm);
    indicatorHeight = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, indicatorHeight, dm);
    underlineHeight = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, underlineHeight, dm);
    dividerPadding = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dividerPadding, dm);
    tabPadding = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, tabPadding, dm);
    dividerWidth = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dividerWidth, dm);
    tabTextSize = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP, tabTextSize, dm);

    // get system attrs (android:textSize and android:textColor)
    TypedArray a = context.obtainStyledAttributes(attrs, ATTRS);
    tabTextSize = a.getDimensionPixelSize(TEXT_SIZE_INDEX, tabTextSize);
    ColorStateList colorStateList = a.getColorStateList(TEXT_COLOR_INDEX);
    int textPrimaryColor = a.getColor(TEXT_COLOR_PRIMARY, android.R.color.white);
    if (colorStateList != null) {
        tabTextColor = colorStateList;
    } else {
        tabTextColor = getColorStateList(textPrimaryColor);
    }

    underlineColor = textPrimaryColor;
    dividerColor = textPrimaryColor;
    indicatorColor = textPrimaryColor;

    // get custom attrs
    a = context.obtainStyledAttributes(attrs, R.styleable.SpinningTabStrip);
    indicatorColor = a.getColor(R.styleable.SpinningTabStrip_pstsIndicatorColor, indicatorColor);
    underlineColor = a.getColor(R.styleable.SpinningTabStrip_pstsUnderlineColor, underlineColor);
    dividerColor = a.getColor(R.styleable.SpinningTabStrip_pstsDividerColor, dividerColor);
    dividerWidth = a.getDimensionPixelSize(R.styleable.SpinningTabStrip_pstsDividerWidth, dividerWidth);
    indicatorHeight = a.getDimensionPixelSize(R.styleable.SpinningTabStrip_pstsIndicatorHeight,
            indicatorHeight);
    underlineHeight = a.getDimensionPixelSize(R.styleable.SpinningTabStrip_pstsUnderlineHeight,
            underlineHeight);
    dividerPadding = a.getDimensionPixelSize(R.styleable.SpinningTabStrip_pstsDividerPadding, dividerPadding);
    tabPadding = a.getDimensionPixelSize(R.styleable.SpinningTabStrip_pstsTabPaddingLeftRight, tabPadding);
    tabBackgroundResId = a.getResourceId(R.styleable.SpinningTabStrip_pstsTabBackground, tabBackgroundResId);
    shouldExpand = a.getBoolean(R.styleable.SpinningTabStrip_pstsShouldExpand, shouldExpand);
    scrollOffset = a.getDimensionPixelSize(R.styleable.SpinningTabStrip_pstsScrollOffset, scrollOffset);
    textAllCaps = a.getBoolean(R.styleable.SpinningTabStrip_pstsTextAllCaps, textAllCaps);
    tabTypefaceStyle = a.getInt(R.styleable.SpinningTabStrip_pstsTextStyle, Typeface.BOLD);
    tabTypefaceSelectedStyle = a.getInt(R.styleable.SpinningTabStrip_pstsTextSelectedStyle, Typeface.BOLD);
    tabTextAlpha = a.getFloat(R.styleable.SpinningTabStrip_pstsTextAlpha, HALF_TRANSP);
    tabTextSelectedAlpha = a.getFloat(R.styleable.SpinningTabStrip_pstsTextSelectedAlpha, OPAQUE);

    a.recycle();

    setMarginBottomTabContainer();

    rectPaint = new Paint();
    rectPaint.setAntiAlias(true);
    rectPaint.setStyle(Style.FILL);

    dividerPaint = new Paint();
    dividerPaint.setAntiAlias(true);
    dividerPaint.setStrokeWidth(dividerWidth);

    defaultTabLayoutParams = new LinearLayout.LayoutParams(LayoutParams.WRAP_CONTENT,
            LayoutParams.MATCH_PARENT);
    expandedTabLayoutParams = new LinearLayout.LayoutParams(0, LayoutParams.MATCH_PARENT, 1.0f);

    if (locale == null) {
        locale = getResources().getConfiguration().locale;
    }

}

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From source file:com.viettel.image.zoom.ZoomViewPaper.java

void initViewPager() {

    setWillNotDraw(false);//from   w w w .j  ava  2  s.  co  m
    mScroller = new Scroller(getContext());
    final ViewConfiguration configuration = ViewConfiguration.get(getContext());
    mTouchSlop = ViewConfigurationCompat.getScaledPagingTouchSlop(configuration);
    mMinimumVelocity = configuration.getScaledMinimumFlingVelocity();
    mMaximumVelocity = configuration.getScaledMaximumFlingVelocity();
}

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From source file:devicroft.burnboy.Activities.MainActivity.java

private void dispatchLicenseDialog() {
    Log.d(LOG_TAG, "dispatchLicenseDialog");
    AlertDialog d = new AlertDialog.Builder(this).setTitle("Licenses")
            .setMessage(Html.fromHtml(getString(R.string.license_fab) + "<br><br>"
                    + getString(R.string.license_mpandroidchart) + getString(R.string.app_name))) //https://stackoverflow.com/questions/3235131/set-textview-text-from-html-formatted-string-resource-in-xml
            .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
                public void onClick(DialogInterface dialog, int which) {
                    dialog.dismiss();/*  www  .ja v a  2s  .c  o m*/
                }
            }).show();
    TextView textView = (TextView) d.findViewById(android.R.id.message);
    textView.setScroller(new Scroller(this));
    textView.setVerticalScrollBarEnabled(true);
    textView.setAllCaps(false);
    textView.setMovementMethod(new ScrollingMovementMethod());
}

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From source file:com.example.nitish.welcomapp.widgetpt.PeriodicTableView.java

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

    mSelectedPaint = new Paint();
    mSelectedPaint.setAntiAlias(true);//from  w  w  w  .j av  a  2  s.c o  m
    mSelectedPaint.setStyle(Paint.Style.STROKE);
    mSelectedPaint.setStrokeJoin(Paint.Join.ROUND);
    mSelectedPaint.setColor(COLOR_SELECTED);

    mNumberPaint = new Paint();
    mNumberPaint.setAntiAlias(true);
    mNumberPaint.setColor(COLOR_BLOCK_FOREGROUND);

    mSymbolPaint = new Paint(mNumberPaint);
    mSymbolPaint.setTextAlign(Paint.Align.CENTER);

    mTitlePaint = new Paint(mSymbolPaint);
    mHeaderPaint = new Paint(mSymbolPaint);
    mSmallTextPaint = new Paint(mSymbolPaint);

    mNumberPaint.setSubpixelText(true);
    mSmallTextPaint.setSubpixelText(true);

    final TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.PeriodicTableView, defStyle, 0);

    mTitle = a.getText(R.styleable.PeriodicTableView_title);
    setFgColor(a.getColor(R.styleable.PeriodicTableView_fgColor, COLOR_DEFAULT_FOREGROUND));
    setBgColor(a.getColor(R.styleable.PeriodicTableView_bgColor, COLOR_DEFAULT_BACKGROUND));

    a.recycle();

    mLegend = new PeriodicTableLegend(context);

    mScaleGestureDetector = new ScaleGestureDetector(context, getOnScaleGestureListener());
    mGestureDetector = new GestureDetector(context, getOnGestureListener());

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

    mEdgeEffectLeft = new EdgeEffectCompat(context);
    mEdgeEffectTop = new EdgeEffectCompat(context);
    mEdgeEffectRight = new EdgeEffectCompat(context);
    mEdgeEffectBottom = new EdgeEffectCompat(context);

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
        mAccessibilityDelegate = new AccessibilityDelegate(this);
        ViewCompat.setAccessibilityDelegate(this, mAccessibilityDelegate);
    }
}

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From source file:net.simonvt.staggeredgridview.StaggeredGridView.java

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

    TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.StaggeredGridView, defStyle, 0);

    colCount = a.getInt(R.styleable.StaggeredGridView_android_numColumns, 1);
    verticalItemMargin = a.getDimensionPixelSize(R.styleable.StaggeredGridView_verticalItemMargin, 0);
    horizontalItemMargin = a.getDimensionPixelSize(R.styleable.StaggeredGridView_horizontalItemMargin, 0);
    selector = a.getDrawable(R.styleable.StaggeredGridView_android_listChoiceBackgroundIndicator);
    if (selector != null) {
        selector.setCallback(this);
    }//from  w w  w  .  j  a  va 2s.c  o  m

    a.recycle();

    final ViewConfiguration vc = ViewConfiguration.get(context);
    touchSlop = vc.getScaledTouchSlop();
    maximumVelocity = vc.getScaledMaximumFlingVelocity();
    flingVelocity = vc.getScaledMinimumFlingVelocity();
    scroller = new Scroller(context);

    topEdge = new EdgeEffect(context);
    bottomEdge = new EdgeEffect(context);
    setWillNotDraw(false);
    setClipToPadding(false);
    setVerticalScrollBarEnabled(true);
}

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