use of android.view.ViewConfiguration in project android_frameworks_base by AOSPA.
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();
mScrollFactor = configuration.getScaledScrollFactor();
}
use of android.view.ViewConfiguration in project Android-ObservableScrollView by ksoichiro.
the class ViewPagerTabFragmentParentFragment method onCreateView.
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.fragment_viewpagertabfragment_parent, container, false);
AppCompatActivity parentActivity = (AppCompatActivity) getActivity();
mPagerAdapter = new NavigationAdapter(getChildFragmentManager());
mPager = (ViewPager) view.findViewById(R.id.pager);
mPager.setAdapter(mPagerAdapter);
SlidingTabLayout slidingTabLayout = (SlidingTabLayout) view.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);
ViewConfiguration vc = ViewConfiguration.get(parentActivity);
mSlop = vc.getScaledTouchSlop();
mInterceptionLayout = (TouchInterceptionFrameLayout) view.findViewById(R.id.container);
mInterceptionLayout.setScrollInterceptionListener(mInterceptionListener);
return view;
}
use of android.view.ViewConfiguration in project platform_frameworks_base by android.
the class NotificationStackScrollLayout method initView.
private void initView(Context context) {
mScroller = new OverScroller(getContext());
setDescendantFocusability(FOCUS_AFTER_DESCENDANTS);
setClipChildren(false);
final ViewConfiguration configuration = ViewConfiguration.get(context);
mTouchSlop = configuration.getScaledTouchSlop();
mMinimumVelocity = configuration.getScaledMinimumFlingVelocity();
mMaximumVelocity = configuration.getScaledMaximumFlingVelocity();
mOverflingDistance = configuration.getScaledOverflingDistance();
mCollapsedSize = context.getResources().getDimensionPixelSize(R.dimen.notification_min_height);
mBottomStackPeekSize = context.getResources().getDimensionPixelSize(R.dimen.bottom_stack_peek_amount);
mStackScrollAlgorithm.initView(context);
mPaddingBetweenElements = Math.max(1, context.getResources().getDimensionPixelSize(R.dimen.notification_divider_height));
mIncreasedPaddingBetweenElements = context.getResources().getDimensionPixelSize(R.dimen.notification_divider_height_increased);
mBottomStackSlowDownHeight = mStackScrollAlgorithm.getBottomStackSlowDownLength();
mMinTopOverScrollToEscape = getResources().getDimensionPixelSize(R.dimen.min_top_overscroll_to_qs);
}
use of android.view.ViewConfiguration in project platform_frameworks_base by android.
the class CropView method onTouchEvent.
@Override
public boolean onTouchEvent(MotionEvent event) {
int action = event.getActionMasked();
final boolean pointerUp = action == MotionEvent.ACTION_POINTER_UP;
final int skipIndex = pointerUp ? event.getActionIndex() : -1;
// Determine focal point
float sumX = 0, sumY = 0;
final int count = event.getPointerCount();
for (int i = 0; i < count; i++) {
if (skipIndex == i)
continue;
sumX += event.getX(i);
sumY += event.getY(i);
}
final int div = pointerUp ? count - 1 : count;
float x = sumX / div;
float y = sumY / div;
if (action == MotionEvent.ACTION_DOWN) {
mFirstX = x;
mFirstY = y;
mTouchDownTime = System.currentTimeMillis();
if (mTouchCallback != null) {
mTouchCallback.onTouchDown();
}
} else if (action == MotionEvent.ACTION_UP) {
ViewConfiguration config = ViewConfiguration.get(getContext());
float squaredDist = (mFirstX - x) * (mFirstX - x) + (mFirstY - y) * (mFirstY - y);
float slop = config.getScaledTouchSlop() * config.getScaledTouchSlop();
long now = System.currentTimeMillis();
if (mTouchCallback != null) {
// only do this if it's a small movement
if (squaredDist < slop && now < mTouchDownTime + ViewConfiguration.getTapTimeout()) {
mTouchCallback.onTap();
}
mTouchCallback.onTouchUp();
}
}
if (!mTouchEnabled) {
return true;
}
synchronized (mLock) {
mScaleGestureDetector.onTouchEvent(event);
switch(action) {
case MotionEvent.ACTION_MOVE:
float[] point = mTempPoint;
point[0] = (mLastX - x) / mRenderer.scale;
point[1] = (mLastY - y) / mRenderer.scale;
mInverseRotateMatrix.mapPoints(point);
mCenterX += point[0];
mCenterY += point[1];
updateCenter();
invalidate();
break;
}
if (mRenderer.source != null) {
// Adjust position so that the wallpaper covers the entire area
// of the screen
final RectF edges = mTempEdges;
getEdgesHelper(edges);
final float scale = mRenderer.scale;
float[] coef = mTempCoef;
coef[0] = 1;
coef[1] = 1;
mRotateMatrix.mapPoints(coef);
float[] adjustment = mTempAdjustment;
mTempAdjustment[0] = 0;
mTempAdjustment[1] = 0;
if (edges.left > 0) {
adjustment[0] = edges.left / scale;
} else if (edges.right < getWidth()) {
adjustment[0] = (edges.right - getWidth()) / scale;
}
if (edges.top > 0) {
adjustment[1] = (float) Math.ceil(edges.top / scale);
} else if (edges.bottom < getHeight()) {
adjustment[1] = (edges.bottom - getHeight()) / scale;
}
for (int dim = 0; dim <= 1; dim++) {
if (coef[dim] > 0)
adjustment[dim] = (float) Math.ceil(adjustment[dim]);
}
mInverseRotateMatrix.mapPoints(adjustment);
mCenterX += adjustment[0];
mCenterY += adjustment[1];
updateCenter();
}
}
mLastX = x;
mLastY = y;
return true;
}
use of android.view.ViewConfiguration in project platform_frameworks_base by android.
the class KeyguardAffordanceHelper method initDimens.
private void initDimens() {
final ViewConfiguration configuration = ViewConfiguration.get(mContext);
mTouchSlop = configuration.getScaledPagingTouchSlop();
mMinFlingVelocity = configuration.getScaledMinimumFlingVelocity();
mMinTranslationAmount = mContext.getResources().getDimensionPixelSize(R.dimen.keyguard_min_swipe_amount);
mMinBackgroundRadius = mContext.getResources().getDimensionPixelSize(R.dimen.keyguard_affordance_min_background_radius);
mTouchTargetSize = mContext.getResources().getDimensionPixelSize(R.dimen.keyguard_affordance_touch_target_size);
mHintGrowAmount = mContext.getResources().getDimensionPixelSize(R.dimen.hint_grow_amount_sideways);
mFlingAnimationUtils = new FlingAnimationUtils(mContext, 0.4f);
mFalsingManager = FalsingManager.getInstance(mContext);
}
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