Example usage for android.widget OverScroller OverScroller

Introduction

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

Prototype

public OverScroller(Context context) 

Source Link

Document

Creates an OverScroller with a viscous fluid scroll interpolator and flywheel.

Usage

From source file:com.google.android.apps.muzei.util.PanScaleProxyView.java

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

    setWillNotDraw(true);/*from w  w w. j  a  v  a 2  s.  c  o  m*/

    // Sets up interactions
    mScaleGestureDetector = new ScaleGestureDetector(context, mScaleGestureListener);
    ScaleGestureDetectorCompat.setQuickScaleEnabled(mScaleGestureDetector, true);
    mGestureDetector = new GestureDetectorCompat(context, mGestureListener);

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

---

From source file:com.android.photos.views.GalleryThumbnailView.java

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

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

    mLeftEdge = new EdgeEffectCompat(context);
    mRightEdge = new EdgeEffectCompat(context);
    setWillNotDraw(false);/*from w ww. ja va  2s  . c o m*/
    setClipToPadding(false);
}

---

From source file:com.evilduck.piano.views.instrument.PianoView.java

private void init() {
    if (!isInEditMode()) {
        scroller = new OverScroller(getContext());
        gestureDetector = new GestureDetector(getContext(), gestureListener);
        scaleGestureDetector = new ScaleGestureDetector(getContext(), scaleGestureListener);
    }/* w w w . j  a  v a 2s .c o m*/
}

---

From source file:com.example.client.activity.imported.FlexibleSpaceWithImageWithViewPagerTab2Activity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_flexiblespacewithimagewithviewpagertab2);

    setSupportActionBar((Toolbar) findViewById(R.id.toolbar));

    ViewCompat.setElevation(findViewById(R.id.header), getResources().getDimension(R.dimen.toolbar_elevation));
    mPagerAdapter = new NavigationAdapter(getSupportFragmentManager());
    mPager = (ViewPager) findViewById(R.id.pager);
    mPager.setAdapter(mPagerAdapter);//w  w w .j a v a 2 s  . c  o  m
    mImageView = findViewById(R.id.image);
    mOverlayView = findViewById(R.id.overlay);
    // Padding for ViewPager must be set outside the ViewPager itself
    // because with padding, EdgeEffect of ViewPager become strange.
    mFlexibleSpaceHeight = getResources().getDimensionPixelSize(R.dimen.flexible_space_image_height);
    mTabHeight = getResources().getDimensionPixelSize(R.dimen.tab_height);
    findViewById(R.id.pager_wrapper).setPadding(0, mFlexibleSpaceHeight, 0, 0);
    mTitleView = (TextView) findViewById(R.id.title);
    mTitleView.setText(getTitle());
    setTitle(null);

    SlidingTabLayout slidingTabLayout = (SlidingTabLayout) findViewById(R.id.sliding_tabs);
    slidingTabLayout.setCustomTabView(R.layout.tab_indicator, android.R.id.text1);
    slidingTabLayout.setSelectedIndicatorColors(getResources().getColor(R.color.accent));
    slidingTabLayout.setDistributeEvenly(true);
    slidingTabLayout.setViewPager(mPager);
    ((FrameLayout.LayoutParams) slidingTabLayout.getLayoutParams()).topMargin = mFlexibleSpaceHeight
            - mTabHeight;

    ViewConfiguration vc = ViewConfiguration.get(this);
    mSlop = vc.getScaledTouchSlop();
    mMaximumVelocity = vc.getScaledMaximumFlingVelocity();
    mInterceptionLayout = (TouchInterceptionFrameLayout) findViewById(R.id.container);
    mInterceptionLayout.setScrollInterceptionListener(mInterceptionListener);
    mScroller = new OverScroller(getApplicationContext());
    ScrollUtils.addOnGlobalLayoutListener(mInterceptionLayout, new Runnable() {
        @Override
        public void run() {
            // Extra space is required to move mInterceptionLayout when it's scrolled.
            // It's better to adjust its height when it's laid out
            // than to adjust the height when scroll events (onMoveMotionEvent) occur
            // because it causes lagging.
            // See #87: https://github.com/ksoichiro/Android-ObservableScrollView/issues/87
            FrameLayout.LayoutParams lp = (FrameLayout.LayoutParams) mInterceptionLayout.getLayoutParams();
            lp.height = getScreenHeight() + mFlexibleSpaceHeight;
            mInterceptionLayout.requestLayout();

            updateFlexibleSpace();
        }
    });
}

---

From source file:com.emmaguy.todayilearned.PanView.java

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

    // Sets up interactions
    mGestureDetector = new GestureDetector(context, new ScrollFlingGestureListener());
    mScroller = new OverScroller(context);
    mEdgeEffectLeft = new EdgeEffect(context);
    mEdgeEffectTop = new EdgeEffect(context);
    mEdgeEffectRight = new EdgeEffect(context);
    mEdgeEffectBottom = new EdgeEffect(context);

    mDrawBlurredPaint = new Paint();
    mDrawBlurredPaint.setDither(true);/* w  ww.  j a  v  a2s. co m*/
}

---

From source file:com.blestep.sportsbracelet.view.TimelineChartView.java

private void init(Context ctx, AttributeSet attrs, int defStyleAttr) {
    mUiHandler = new Handler(Looper.getMainLooper(), mMessenger);

    final Resources res = getResources();

    final ViewConfiguration vc = ViewConfiguration.get(ctx);
    mTouchSlop = vc.getScaledTouchSlop() / 2;
    mMaxFlingVelocity = vc.getScaledMaximumFlingVelocity();
    mScroller = new OverScroller(ctx);

    int footerLabelColor = ContextCompat.getColor(getContext(), R.color.tlcStepsFooterLabelColor);
    int barItemBg = ContextCompat.getColor(getContext(), R.color.tlcStepsBarItemBg);
    int highlightBarItemBg = ContextCompat.getColor(getContext(), R.color.tlcStepsHighlightBarItemBg);

    mBarItemBgPaint = new Paint();
    mBarItemBgPaint.setColor(barItemBg);
    mHighlightBarItemBgPaint = new Paint();
    mHighlightBarItemBgPaint.setColor(highlightBarItemBg);

    mFooterBarHeight = res.getDimension(R.dimen.tlcDefFooterBarHeight);

    mViewAreaBgPaint = new Paint();

    mGraphAreaBgPaint = new Paint();
    mGraphAreaBgPaint.setColor(Color.TRANSPARENT);

    mFooterAreaBgPaint = new Paint();
    mFooterAreaBgPaint.setColor(Color.TRANSPARENT);

    mGraphBottomLinePaint = new Paint(Paint.ANTI_ALIAS_FLAG);
    mGraphBottomLinePaint.setColor(Color.WHITE);
    mGraphBottomLinePaint.setStrokeWidth(1);
    // /*from  ww w .j  a  v  a 2s  .c  o  m*/
    mGraphTargetDashedLinePaint = new Paint(Paint.ANTI_ALIAS_FLAG);
    mGraphTargetDashedLinePaint.setStyle(Paint.Style.STROKE);
    mGraphTargetDashedLinePaint.setColor(Color.WHITE);
    mGraphTargetDashedLinePaint.setStrokeWidth(1);
    PathEffect pathEffect = new DashPathEffect(new float[] { 9, 3 }, 1);
    mGraphTargetDashedLinePaint.setPathEffect(pathEffect);

    // labelPaint??
    mLabelFgPaint = new TextPaint(Paint.ANTI_ALIAS_FLAG | Paint.LINEAR_TEXT_FLAG);
    mLabelFgPaint.setColor(footerLabelColor);
    //        DisplayMetrics dp = getResources().getDisplayMetrics();
    //        float labelSize = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP, res.getDimension(R.dimen.tlcDefFooterLabelSize), dp);
    mLabelFgPaint.setTextSize(res.getDimension(R.dimen.tlcDefFooterLabelSize));

    mHighlightLabelFgPaint = new TextPaint(Paint.ANTI_ALIAS_FLAG | Paint.LINEAR_TEXT_FLAG);
    mHighlightLabelFgPaint.setColor(Color.WHITE);
    mHighlightLabelFgPaint.setTextSize(res.getDimension(R.dimen.tlcDefFooterLabelSize));

    mBarItemWidth = res.getDimension(R.dimen.tlcDefBarItemWidth);
    mBarItemSpace = res.getDimension(R.dimen.tlcDefBarItemSpace);
    mTopSpaceHeight = res.getDimension(R.dimen.tlcDefTopSpace);

    // SurfaceView requires a background
    if (getBackground() == null) {
        setBackgroundColor(ContextCompat.getColor(getContext(), android.R.color.transparent));
    }

    // Initialize stuff
    setupBackgroundHandler();
    setupTickLabels();

    // Initialize the drawing refs (this will be update when we have
    // the real size of the canvas)
    computeBoundAreas();
}

---

From source file:com.blestep.sportsbracelet.view.TimelineChartViewSleep.java

private void init(Context ctx, AttributeSet attrs, int defStyleAttr) {
    mUiHandler = new Handler(Looper.getMainLooper(), mMessenger);

    final Resources res = getResources();

    final ViewConfiguration vc = ViewConfiguration.get(ctx);
    mTouchSlop = vc.getScaledTouchSlop() / 2;
    mMaxFlingVelocity = vc.getScaledMaximumFlingVelocity();
    mScroller = new OverScroller(ctx);

    int footerLabelColor = ContextCompat.getColor(getContext(), R.color.tlcSleepFooterLabelColor);
    int barItemBg = ContextCompat.getColor(getContext(), R.color.tlcSleepBarItemBg);
    int highlightBarItemBg = ContextCompat.getColor(getContext(), R.color.tlcSleepHighlightBarItemBg);
    int barDeepItemBg = ContextCompat.getColor(getContext(), R.color.tlcSleepBarDeepItemBg);
    int highlightBarDeepItemBg = ContextCompat.getColor(getContext(), R.color.tlcSleepHighlightBarDeepItemBg);

    mBarItemBgPaint = new Paint();
    mBarItemBgPaint.setColor(barItemBg);
    mHighlightBarItemBgPaint = new Paint();
    mHighlightBarItemBgPaint.setColor(highlightBarItemBg);
    mBarDeepItemBgPaint = new Paint();
    mBarDeepItemBgPaint.setColor(barDeepItemBg);
    mHighlightBarDeepItemBgPaint = new Paint();
    mHighlightBarDeepItemBgPaint.setColor(highlightBarDeepItemBg);

    mFooterBarHeight = res.getDimension(R.dimen.tlcDefFooterBarHeight);

    mViewAreaBgPaint = new Paint();

    mGraphAreaBgPaint = new Paint();
    mGraphAreaBgPaint.setColor(Color.TRANSPARENT);

    mFooterAreaBgPaint = new Paint();
    mFooterAreaBgPaint.setColor(Color.TRANSPARENT);

    mGraphBottomLinePaint = new Paint(Paint.ANTI_ALIAS_FLAG);
    mGraphBottomLinePaint.setColor(Color.WHITE);
    mGraphBottomLinePaint.setStrokeWidth(1);

    // labelPaint??
    mLabelFgPaint = new TextPaint(Paint.ANTI_ALIAS_FLAG | Paint.LINEAR_TEXT_FLAG);
    mLabelFgPaint.setColor(footerLabelColor);
    //        DisplayMetrics dp = getResources().getDisplayMetrics();
    //        float labelSize = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP, res.getDimension(R.dimen.tlcDefFooterLabelSize), dp);
    mLabelFgPaint.setTextSize(res.getDimension(R.dimen.tlcDefFooterLabelSize));

    mHighlightLabelFgPaint = new TextPaint(Paint.ANTI_ALIAS_FLAG | Paint.LINEAR_TEXT_FLAG);
    mHighlightLabelFgPaint.setColor(Color.WHITE);
    mHighlightLabelFgPaint.setTextSize(res.getDimension(R.dimen.tlcDefFooterLabelSize));

    mBarItemWidth = res.getDimension(R.dimen.tlcDefBarItemWidth);
    mBarItemSpace = res.getDimension(R.dimen.tlcDefBarItemSpace);
    mTopSpaceHeight = res.getDimension(R.dimen.tlcDefTopSpace);

    // SurfaceView requires a background
    if (getBackground() == null) {
        setBackgroundColor(ContextCompat.getColor(getContext(), android.R.color.transparent));
    }/*from w  ww. j  a v a2 s. com*/

    // Initialize stuff
    setupBackgroundHandler();
    setupTickLabels();

    // Initialize the drawing refs (this will be update when we have
    // the real size of the canvas)
    computeBoundAreas();
}

---

From source file:com.bitflake.counter.HorizontalPicker.java

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

    // create the selector wheel paint
    TextPaint paint = new TextPaint();
    paint.setAntiAlias(true);/*from  ww w  . j  a  v a2 s . c om*/
    textPaint = paint;

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

    CharSequence[] values;
    int ellipsize = 3; // END default value
    int sideItems = this.sideItems;

    try {
        textColor = a.getColorStateList(R.styleable.HorizontalPicker_android_textColor);
        if (textColor == null) {
            textColor = ColorStateList.valueOf(0xFF000000);
        }

        values = a.getTextArray(R.styleable.HorizontalPicker_values);
        ellipsize = a.getInt(R.styleable.HorizontalPicker_android_ellipsize, ellipsize);
        marqueeRepeatLimit = a.getInt(R.styleable.HorizontalPicker_android_marqueeRepeatLimit,
                marqueeRepeatLimit);
        dividerSize = a.getDimension(R.styleable.HorizontalPicker_dividerSize, dividerSize);
        sideItems = a.getInt(R.styleable.HorizontalPicker_sideItems, sideItems);

        float textSize = a.getDimension(R.styleable.HorizontalPicker_android_textSize, -1);
        if (textSize > -1) {
            setTextSize(textSize);
        }
    } finally {
        a.recycle();
    }

    switch (ellipsize) {
    case 1:
        setEllipsize(TextUtils.TruncateAt.START);
        break;
    case 2:
        setEllipsize(TextUtils.TruncateAt.MIDDLE);
        break;
    case 3:
        setEllipsize(TextUtils.TruncateAt.END);
        break;
    case 4:
        setEllipsize(TextUtils.TruncateAt.MARQUEE);
        break;
    }

    Paint.FontMetricsInt fontMetricsInt = textPaint.getFontMetricsInt();
    boringMetrics = new BoringLayout.Metrics();
    boringMetrics.ascent = fontMetricsInt.ascent;
    boringMetrics.bottom = fontMetricsInt.bottom;
    boringMetrics.descent = fontMetricsInt.descent;
    boringMetrics.leading = fontMetricsInt.leading;
    boringMetrics.top = fontMetricsInt.top;
    boringMetrics.width = itemWidth;

    setWillNotDraw(false);

    flingScrollerX = new OverScroller(context);
    adjustScrollerX = new OverScroller(context, new DecelerateInterpolator(2.5f));

    // initialize constants
    ViewConfiguration configuration = ViewConfiguration.get(context);
    touchSlop = configuration.getScaledTouchSlop();
    mMinimumFlingVelocity = configuration.getScaledMinimumFlingVelocity();
    maximumFlingVelocity = configuration.getScaledMaximumFlingVelocity()
            / SELECTOR_MAX_FLING_VELOCITY_ADJUSTMENT;
    overscrollDistance = configuration.getScaledOverscrollDistance();

    previousScrollerX = Integer.MIN_VALUE;

    setValues(values);
    setSideItems(sideItems);

    touchHelper = new PickerTouchHelper(this);
    ViewCompat.setAccessibilityDelegate(this, touchHelper);

}

---

From source file:kr.selfcontrol.selflocklauncher.picker.HorizontalPicker.java

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

    // create the selector wheel paint
    TextPaint paint = new TextPaint();
    paint.setAntiAlias(true);//  w  w  w . j  a  v  a 2s  . co  m
    mTextPaint = paint;

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

    CharSequence[] values;
    int ellipsize = 3; // END default value
    int sideItems = mSideItems;

    try {
        mTextColor = a.getColorStateList(R.styleable.HorizontalPicker_android_textColor);
        if (mTextColor == null) {
            mTextColor = ColorStateList.valueOf(0xFF000000);
        }

        values = a.getTextArray(R.styleable.HorizontalPicker_values);
        ellipsize = a.getInt(R.styleable.HorizontalPicker_android_ellipsize, ellipsize);
        mMarqueeRepeatLimit = a.getInt(R.styleable.HorizontalPicker_android_marqueeRepeatLimit,
                mMarqueeRepeatLimit);
        mDividerSize = a.getDimension(R.styleable.HorizontalPicker_dividerSize, mDividerSize);
        sideItems = a.getInt(R.styleable.HorizontalPicker_sideItems, sideItems);

        float textSize = a.getDimension(R.styleable.HorizontalPicker_android_textSize, -1);
        if (textSize > -1) {
            setTextSize(textSize);
        }
    } finally {
        a.recycle();
    }

    switch (ellipsize) {
    case 1:
        setEllipsize(TextUtils.TruncateAt.START);
        break;
    case 2:
        setEllipsize(TextUtils.TruncateAt.MIDDLE);
        break;
    case 3:
        setEllipsize(TextUtils.TruncateAt.END);
        break;
    case 4:
        setEllipsize(TextUtils.TruncateAt.MARQUEE);
        break;
    }

    Paint.FontMetricsInt fontMetricsInt = mTextPaint.getFontMetricsInt();
    mBoringMetrics = new BoringLayout.Metrics();
    mBoringMetrics.ascent = fontMetricsInt.ascent;
    mBoringMetrics.bottom = fontMetricsInt.bottom;
    mBoringMetrics.descent = fontMetricsInt.descent;
    mBoringMetrics.leading = fontMetricsInt.leading;
    mBoringMetrics.top = fontMetricsInt.top;
    mBoringMetrics.width = mItemWidth;

    setWillNotDraw(false);

    mFlingScrollerX = new OverScroller(context);
    mAdjustScrollerX = new OverScroller(context, new DecelerateInterpolator(2.5f));

    // initialize constants
    ViewConfiguration configuration = ViewConfiguration.get(context);
    mTouchSlop = configuration.getScaledTouchSlop();
    mMinimumFlingVelocity = configuration.getScaledMinimumFlingVelocity();
    mMaximumFlingVelocity = configuration.getScaledMaximumFlingVelocity()
            / SELECTOR_MAX_FLING_VELOCITY_ADJUSTMENT;
    mOverscrollDistance = configuration.getScaledOverscrollDistance();

    mPreviousScrollerX = Integer.MIN_VALUE;

    setValues(values);
    setSideItems(sideItems);

    mTouchHelper = new PickerTouchHelper(this);
    ViewCompat.setAccessibilityDelegate(this, mTouchHelper);

}

---

From source file:com.lab47billion.appchooser.HorizontalPicker.java

public HorizontalPicker(Context context, AttributeSet attrs, int defStyle) {
    super(context, attrs, defStyle);
    _context = context;/*from ww w  .  ja va  2 s .c o m*/

    // create the selector wheel paint
    TextPaint paint = new TextPaint();
    paint.setAntiAlias(true);
    mTextPaint = paint;

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

    CharSequence[] values;
    int ellipsize = 3; // END default value
    int sideItems = mSideItems;

    try {
        mTextColor = a.getColorStateList(R.styleable.HorizontalPicker_android_textColor);
        if (mTextColor == null) {
            mTextColor = ColorStateList.valueOf(0xFF000000);
        }

        values = a.getTextArray(R.styleable.HorizontalPicker_values);
        ellipsize = a.getInt(R.styleable.HorizontalPicker_android_ellipsize, ellipsize);
        mDividerSize = a.getDimension(R.styleable.HorizontalPicker_dividerSize, mDividerSize);
        mNormalTextSize = a.getDimension(R.styleable.HorizontalPicker_normalTextSize, 20);
        mSelectedTextSize = a.getDimension(R.styleable.HorizontalPicker_selectedTextSize, -1);
        sideItems = a.getInt(R.styleable.HorizontalPicker_sideItems, sideItems);

        if (mNormalTextSize > -1) {
            setTextSize(mNormalTextSize);
        }
        if (mSelectedTextSize == -1) {
            mSelectedTextSize = mNormalTextSize;
        }

    } finally {
        a.recycle();
    }

    switch (ellipsize) {
    case 1:
        setEllipsize(TextUtils.TruncateAt.START);
        break;
    case 2:
        setEllipsize(TextUtils.TruncateAt.MIDDLE);
        break;
    case 3:
        setEllipsize(TextUtils.TruncateAt.END);
        break;
    case 4:
        setEllipsize(TextUtils.TruncateAt.MARQUEE);
        break;
    }

    Paint.FontMetricsInt fontMetricsInt = mTextPaint.getFontMetricsInt();
    mBoringMetrics = new BoringLayout.Metrics();
    mBoringMetrics.ascent = fontMetricsInt.ascent;
    mBoringMetrics.bottom = fontMetricsInt.bottom;
    mBoringMetrics.descent = fontMetricsInt.descent;
    mBoringMetrics.leading = fontMetricsInt.leading;
    mBoringMetrics.top = fontMetricsInt.top;
    mBoringMetrics.width = mItemWidth;

    setWillNotDraw(false);

    mFlingScrollerX = new OverScroller(context);
    mAdjustScrollerX = new OverScroller(context, new DecelerateInterpolator(2.5f));

    // initialize constants
    ViewConfiguration configuration = ViewConfiguration.get(context);
    mTouchSlop = configuration.getScaledTouchSlop();
    mMinimumFlingVelocity = configuration.getScaledMinimumFlingVelocity();
    mMaximumFlingVelocity = configuration.getScaledMaximumFlingVelocity()
            / SELECTOR_MAX_FLING_VELOCITY_ADJUSTMENT;
    mOverscrollDistance = configuration.getScaledOverscrollDistance();

    mPreviousScrollerX = Integer.MIN_VALUE;

    setValues(values);
    setSideItems(sideItems);

    /*mTouchHelper = new PickerTouchHelper(this);
    ViewCompat.setAccessibilityDelegate(this, mTouchHelper);*/

}

---

• «
• 1
• 2
• 3
• 4
• »