Examples with ViewConfiguration android.view.ViewConfiguration used on opensource projects

Example 86 with ViewConfiguration

use of android.view.ViewConfiguration in project RefreshableListView by woozzu.

the class RefreshableListView method dispatchTouchEvent.

@Override
public boolean dispatchTouchEvent(final MotionEvent ev) {
    if (ev.getAction() == MotionEvent.ACTION_MOVE && getFirstVisiblePosition() == 0) {
        float direction = ev.getY() - mHistoricalY;
        int height = (int) (ev.getY() - mY) / 2 + mInitialHeight;
        if (height < 0) {
            height = 0;
        }
        float deltaY = Math.abs(mY - ev.getY());
        ViewConfiguration config = ViewConfiguration.get(getContext());
        if (deltaY > config.getScaledTouchSlop()) {
            // Scrolling downward
            if (direction > 0) {
                // visible
                if (getChildAt(0).getTop() == 0) {
                    if (mHistoricalTop < 0) {
                    // mY = ev.getY(); // TODO works without
                    // this?mHistoricalTop = 0;
                    }
                    // Extends refresh bar
                    setHeaderHeight(height);
                    // Stop list scroll to prevent the list from
                    // overscrolling
                    ev.setAction(MotionEvent.ACTION_CANCEL);
                    mFlag = false;
                }
            } else if (direction < 0) {
                // visible
                if (getChildAt(0).getTop() == 0) {
                    setHeaderHeight(height);
                    // enabled
                    if (getChildAt(1) != null && getChildAt(1).getTop() <= 1 && !mFlag) {
                        ev.setAction(MotionEvent.ACTION_DOWN);
                        mFlag = true;
                    }
                }
            }
        }
        mHistoricalY = ev.getY();
    }
    try {
        return super.dispatchTouchEvent(ev);
    } catch (Exception e) {
        return false;
    }
}

Example 87 with ViewConfiguration

use of android.view.ViewConfiguration in project Remindy by abicelis.

the class BetterNestedScrollView method init.

private void init(Context context) {
    ViewConfiguration config = ViewConfiguration.get(context);
    slop = config.getScaledEdgeSlop();
}

Example 88 with ViewConfiguration

use of android.view.ViewConfiguration in project android_frameworks_base by crdroidandroid.

the class AbsListView method initAbsListView.

private void initAbsListView() {
    // Setting focusable in touch mode will set the focusable property to true
    setClickable(true);
    setFocusableInTouchMode(true);
    setWillNotDraw(false);
    setAlwaysDrawnWithCacheEnabled(false);
    boolean scrollingCacheEnabled = (mScrollingCacheProperty < 2);
    setScrollingCacheEnabled(scrollingCacheEnabled);
    final ViewConfiguration configuration = ViewConfiguration.get(mContext);
    mTouchSlop = configuration.getScaledTouchSlop();
    mScrollFactor = configuration.getScaledScrollFactor();
    mMinimumVelocity = configuration.getScaledMinimumFlingVelocity();
    mMaximumVelocity = configuration.getScaledMaximumFlingVelocity();
    mDecacheThreshold = mMaximumVelocity / 2;
    mOverscrollDistance = configuration.getScaledOverscrollDistance();
    mOverflingDistance = configuration.getScaledOverflingDistance();
    mDensityScale = getContext().getResources().getDisplayMetrics().density;
    setPersistentDrawingCache(ViewGroup.PERSISTENT_ANIMATION_CACHE | ViewGroup.PERSISTENT_SCROLLING_CACHE);
}

Example 89 with ViewConfiguration

use of android.view.ViewConfiguration in project android_frameworks_base by crdroidandroid.

the class StackView method initStackView.

private void initStackView() {
    configureViewAnimator(NUM_ACTIVE_VIEWS, 1);
    setStaticTransformationsEnabled(true);
    final ViewConfiguration configuration = ViewConfiguration.get(getContext());
    mTouchSlop = configuration.getScaledTouchSlop();
    mMaximumVelocity = configuration.getScaledMaximumFlingVelocity();
    mActivePointerId = INVALID_POINTER;
    mHighlight = new ImageView(getContext());
    mHighlight.setLayoutParams(new LayoutParams(mHighlight));
    addViewInLayout(mHighlight, -1, new LayoutParams(mHighlight));
    mClickFeedback = new ImageView(getContext());
    mClickFeedback.setLayoutParams(new LayoutParams(mClickFeedback));
    addViewInLayout(mClickFeedback, -1, new LayoutParams(mClickFeedback));
    mClickFeedback.setVisibility(INVISIBLE);
    mStackSlider = new StackSlider();
    if (sHolographicHelper == null) {
        sHolographicHelper = new HolographicHelper(mContext);
    }
    setClipChildren(false);
    setClipToPadding(false);
    // This sets the form of the StackView, which is currently to have the perspective-shifted
    // views above the active view, and have items slide down when sliding out. The opposite is
    // available by using ITEMS_SLIDE_UP.
    mStackMode = ITEMS_SLIDE_DOWN;
    // This is a flag to indicate the the stack is loading for the first time
    mWhichChild = -1;
    // Adjust the frame padding based on the density, since the highlight changes based
    // on the density
    final float density = mContext.getResources().getDisplayMetrics().density;
    mFramePadding = (int) Math.ceil(density * FRAME_PADDING);
}

Example 90 with ViewConfiguration

use of android.view.ViewConfiguration in project android_frameworks_base by crdroidandroid.

the class SwipeDismissLayout method init.

private void init(Context context) {
    ViewConfiguration vc = ViewConfiguration.get(context);
    mSlop = vc.getScaledTouchSlop();
    mMinFlingVelocity = vc.getScaledMinimumFlingVelocity();
    TypedArray a = context.getTheme().obtainStyledAttributes(com.android.internal.R.styleable.Theme);
    mIsWindowNativelyTranslucent = a.getBoolean(com.android.internal.R.styleable.Window_windowIsTranslucent, false);
    a.recycle();
}