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

Example 76 with ViewConfiguration

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

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 77 with ViewConfiguration

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

the class WebViewClassic method init.

private void init() {
    OnTrimMemoryListener.init(mContext);
    mWebView.setWillNotDraw(false);
    mWebView.setClickable(true);
    mWebView.setLongClickable(true);
    final ViewConfiguration configuration = ViewConfiguration.get(mContext);
    int slop = configuration.getScaledTouchSlop();
    mTouchSlopSquare = slop * slop;
    slop = configuration.getScaledDoubleTapSlop();
    mDoubleTapSlopSquare = slop * slop;
    final float density = WebViewCore.getFixedDisplayDensity(mContext);
    // use one line height, 16 based on our current default font, for how
    // far we allow a touch be away from the edge of a link
    mNavSlop = (int) (16 * density);
    mZoomManager.init(density);
    mMaximumFling = configuration.getScaledMaximumFlingVelocity();
    // Compute the inverse of the density squared.
    DRAG_LAYER_INVERSE_DENSITY_SQUARED = 1 / (density * density);
    mOverscrollDistance = configuration.getScaledOverscrollDistance();
    mOverflingDistance = configuration.getScaledOverflingDistance();
    setScrollBarStyle(mWebViewPrivate.super_getScrollBarStyle());
    // Initially use a size of two, since the user is likely to only hold
    // down two keys at a time (shift + another key)
    mKeysPressed = new Vector<Integer>(2);
    mHTML5VideoViewProxy = null;
}

Example 78 with ViewConfiguration

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

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 79 with ViewConfiguration

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

the class HorizontalScrollView method initScrollView.

private void initScrollView() {
    mScroller = new OverScroller(getContext());
    setFocusable(true);
    setDescendantFocusability(FOCUS_AFTER_DESCENDANTS);
    setWillNotDraw(false);
    final ViewConfiguration configuration = ViewConfiguration.get(mContext);
    mTouchSlop = configuration.getScaledTouchSlop();
    mMinimumVelocity = configuration.getScaledMinimumFlingVelocity();
    mMaximumVelocity = configuration.getScaledMaximumFlingVelocity();
    mOverscrollDistance = configuration.getScaledOverscrollDistance();
    mOverflingDistance = configuration.getScaledOverflingDistance();
}

Example 80 with ViewConfiguration

use of android.view.ViewConfiguration in project android_packages_apps_DUI by DirtyUnicorns.

the class FlingGestureDetector method init.

private void init(Context context) {
    if (mListener == null) {
        throw new NullPointerException("OnGestureListener must not be null");
    }
    mIsLongpressEnabled = true;
    // Fallback to support pre-donuts releases
    int touchSlop, doubleTapSlop, doubleTapTouchSlop;
    float touchSlopIncreaseFactor;
    if (context == null) {
        //noinspection deprecation
        touchSlop = ViewConfiguration.getTouchSlop();
        // Hack rather than adding a hiden method for this
        doubleTapTouchSlop = touchSlop;
        doubleTapSlop = ViewConfiguration.getDoubleTapSlop();
        //noinspection deprecation
        mMinimumFlingVelocity = ViewConfiguration.getMinimumFlingVelocity();
        mMaximumFlingVelocity = ViewConfiguration.getMaximumFlingVelocity();
    } else {
        final ViewConfiguration configuration = ViewConfiguration.get(context);
        touchSlopIncreaseFactor = context.getResources().getFloat(R.dimen.config_fling_touchslop_increase_factor);
        final int slop = configuration.getScaledTouchSlop();
        touchSlop = Math.round(slop * touchSlopIncreaseFactor);
        doubleTapTouchSlop = configuration.getScaledDoubleTapTouchSlop();
        doubleTapSlop = configuration.getScaledDoubleTapSlop();
        mMinimumFlingVelocity = configuration.getScaledMinimumFlingVelocity();
        mMaximumFlingVelocity = configuration.getScaledMaximumFlingVelocity();
    }
    mTouchSlopSquare = touchSlop * touchSlop;
    mDoubleTapTouchSlopSquare = doubleTapTouchSlop * doubleTapTouchSlop;
    mDoubleTapSlopSquare = doubleTapSlop * doubleTapSlop;
}