下面列出了android.view.ViewConfiguration#get ( ) 实例代码,或者点击链接到github查看源代码,也可以在右侧发表评论。
/**
* Apps should use ViewDragHelper.create() to get a new instance.
* This will allow VDH to use internal compatibility implementations for different
* platform versions.
*
* @param context Context to initialize config-dependent params from
* @param forParent Parent view to monitor
*/
private ViewDragHelper(Context context, ViewGroup forParent, Callback cb) {
if (forParent == null) {
throw new IllegalArgumentException("Parent view may not be null");
}
if (cb == null) {
throw new IllegalArgumentException("Callback may not be null");
}
mParentView = forParent;
mCallback = cb;
final ViewConfiguration vc = ViewConfiguration.get(context);
final float density = context.getResources().getDisplayMetrics().density;
mEdgeSize = (int) (EDGE_SIZE * density + 0.5f);
mTouchSlop = vc.getScaledTouchSlop();
mMaxVelocity = vc.getScaledMaximumFlingVelocity();
mMinVelocity = vc.getScaledMinimumFlingVelocity();
mScroller = ScrollerCompat.create(context, sInterpolator);
}
public InboxLayoutBase(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
ViewConfiguration config = ViewConfiguration.get(context);
mTouchSlop = config.getScaledTouchSlop();
closeDistance = dp2px(60);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
this.setLayerType(View.LAYER_TYPE_HARDWARE, null);
}
mHeightAnimator = ObjectAnimator.ofInt(this, aHeight, 0, 0);
mScrollYAnimator = ObjectAnimator.ofInt(this, aScrollY, 0, 0);
mHeightAnimator.setDuration(ANIMDURA);
mScrollYAnimator.setDuration(ANIMDURA);
animatorSet.playTogether(mHeightAnimator, mScrollYAnimator);
animatorSet.setInterpolator(mInterpolator);
mDragableView = createDragableView(context, attrs);
addDragableView(mDragableView);
}
private void init(Context context) {
if (context == null) {
throw new IllegalArgumentException("Context must not be null");
}
if (mListener == null) {
throw new IllegalArgumentException("OnGestureListener must not be null");
}
mIsLongpressEnabled = true;
final ViewConfiguration configuration = ViewConfiguration.get(context);
final int touchSlop = configuration.getScaledTouchSlop();
final int doubleTapSlop = configuration.getScaledDoubleTapSlop();
mMinimumFlingVelocity = configuration.getScaledMinimumFlingVelocity();
mMaximumFlingVelocity = configuration.getScaledMaximumFlingVelocity();
mTouchSlopSquare = touchSlop * touchSlop;
mDoubleTapSlopSquare = doubleTapSlop * doubleTapSlop;
}
public void init(Context context) {
setOnItemLongClickListener(mOnItemLongClickListener);
setOnScrollListener(mScrollListener);
DisplayMetrics metrics = context.getResources().getDisplayMetrics();
mSmoothScrollAmountAtEdge = (int) (SMOOTH_SCROLL_AMOUNT_AT_EDGE / metrics.density);
ViewConfiguration vc = ViewConfiguration.get(getContext());
mSlop = vc.getScaledTouchSlop();
}
public CustWebView(Context arg0, AttributeSet arg1, int arg2) {
super(arg0, arg1, arg2);
disableZoomController();
ViewConfiguration configuration = ViewConfiguration.get(getContext());
mTouchSlop = configuration.getScaledTouchSlop();
}
protected void initMethods() {
ViewConfiguration configuration = ViewConfiguration.get(mContext);
mMaximumVelocity = configuration.getScaledMaximumFlingVelocity() * 100;
mIdealMargin = Converter.dpAsPixels(this, 4);
setImeOptions(EditorInfo.IME_FLAG_NO_EXTRACT_UI);
setOnKeyListener(this);
}
public UnderlinePageIndicator(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
if (isInEditMode()) return;
final Resources res = getResources();
//Load defaults from resources
final boolean defaultFades = res.getBoolean(R.bool.default_underline_indicator_fades);
final int defaultFadeDelay = res.getInteger(R.integer.default_underline_indicator_fade_delay);
final int defaultFadeLength = res.getInteger(R.integer.default_underline_indicator_fade_length);
final int defaultSelectedColor = res.getColor(R.color.default_underline_indicator_selected_color);
//Retrieve styles attributes
TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.UnderlinePageIndicator, defStyle, 0);
setFades(a.getBoolean(R.styleable.UnderlinePageIndicator_fades, defaultFades));
setSelectedColor(a.getColor(R.styleable.UnderlinePageIndicator_selectedColor, defaultSelectedColor));
setFadeDelay(a.getInteger(R.styleable.UnderlinePageIndicator_fadeDelay, defaultFadeDelay));
setFadeLength(a.getInteger(R.styleable.UnderlinePageIndicator_fadeLength, defaultFadeLength));
Drawable background = a.getDrawable(R.styleable.UnderlinePageIndicator_android_background);
if (background != null) {
setBackgroundDrawable(background);
}
a.recycle();
final ViewConfiguration configuration = ViewConfiguration.get(context);
mTouchSlop = ViewConfigurationCompat.getScaledPagingTouchSlop(configuration);
}
public LinePageIndicator(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
if (isInEditMode()) return;
final Resources res = getResources();
//Load defaults from resources
final int defaultSelectedColor = res.getColor(R.color.default_line_indicator_selected_color);
final int defaultUnselectedColor = res.getColor(R.color.default_line_indicator_unselected_color);
final float defaultLineWidth = res.getDimension(R.dimen.default_line_indicator_line_width);
final float defaultGapWidth = res.getDimension(R.dimen.default_line_indicator_gap_width);
final float defaultStrokeWidth = res.getDimension(R.dimen.default_line_indicator_stroke_width);
final boolean defaultCentered = res.getBoolean(R.bool.default_line_indicator_centered);
//Retrieve styles attributes
TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.LinePageIndicator, defStyle, 0);
mCentered = a.getBoolean(R.styleable.LinePageIndicator_centered, defaultCentered);
mLineWidth = a.getDimension(R.styleable.LinePageIndicator_lineWidth, defaultLineWidth);
mGapWidth = a.getDimension(R.styleable.LinePageIndicator_gapWidth, defaultGapWidth);
setStrokeWidth(a.getDimension(R.styleable.LinePageIndicator_strokeWidth, defaultStrokeWidth));
mPaintUnselected.setColor(a.getColor(R.styleable.LinePageIndicator_unselectedColor, defaultUnselectedColor));
mPaintSelected.setColor(a.getColor(R.styleable.LinePageIndicator_selectedColor, defaultSelectedColor));
Drawable background = a.getDrawable(R.styleable.LinePageIndicator_android_background);
if (background != null) {
setBackgroundDrawable(background);
}
a.recycle();
final ViewConfiguration configuration = ViewConfiguration.get(context);
mTouchSlop = ViewConfigurationCompat.getScaledPagingTouchSlop(configuration);
}
/**
* Constructs a new swipe-to-dismiss touch listener for the given list view.
*
* @param recyclerView The list view whose items should be dismissable.
* @param callbacks The callback to trigger when the user has indicated that she would like to
* dismiss one or more list items.
*/
public SwipeToDismissTouchListener(SomeCollectionView recyclerView,
DismissCallbacks<SomeCollectionView> callbacks) {
ViewConfiguration vc = ViewConfiguration.get(recyclerView.getContext());
mSlop = vc.getScaledTouchSlop();
mMinFlingVelocity = vc.getScaledMinimumFlingVelocity() * 16;
mMaxFlingVelocity = vc.getScaledMaximumFlingVelocity();
mAnimationTime = recyclerView.getContext().getResources().getInteger(
android.R.integer.config_shortAnimTime);
mRecyclerView = recyclerView;
mCallbacks = callbacks;
mHandler = new Handler();
}
/**
* Set action bar overflow showing always, avoid it's not showing on some phones.
*/
private void setOverflowShowingAlways() {
try {
ViewConfiguration config = ViewConfiguration.get(this);
Field menuKeyField = ViewConfiguration.class.getDeclaredField("sHasPermanentMenuKey");
menuKeyField.setAccessible(true);
menuKeyField.setBoolean(config, false);
} catch (Exception e) {
// ignore
}
}
LongPressDetector(Context context, LongPressDelegate delegate) {
mLongPressDelegate = delegate;
mLongPressHandler = new LongPressHandler();
final ViewConfiguration configuration = ViewConfiguration.get(context);
int touchSlop = configuration.getScaledTouchSlop();
mTouchSlopSquare = touchSlop * touchSlop;
}
public CirclePageIndicator(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
if (isInEditMode()) return;
//Load defaults from resources
final Resources res = getResources();
final int defaultPageColor = res.getColor(R.color.default_circle_indicator_page_color);
final int defaultFillColor = res.getColor(R.color.default_circle_indicator_fill_color);
final int defaultOrientation = res.getInteger(R.integer.default_circle_indicator_orientation);
final int defaultStrokeColor = res.getColor(R.color.default_circle_indicator_stroke_color);
final float defaultStrokeWidth = res.getDimension(R.dimen.default_circle_indicator_stroke_width);
final float defaultRadius = res.getDimension(R.dimen.default_circle_indicator_radius);
final boolean defaultCentered = res.getBoolean(R.bool.default_circle_indicator_centered);
final boolean defaultSnap = res.getBoolean(R.bool.default_circle_indicator_snap);
//Retrieve styles attributes
TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.CirclePageIndicator, defStyle, 0);
mCentered = a.getBoolean(R.styleable.CirclePageIndicator_centered, defaultCentered);
mOrientation = a.getInt(R.styleable.CirclePageIndicator_android_orientation, defaultOrientation);
mPaintPageFill.setStyle(Style.FILL);
mPaintPageFill.setColor(a.getColor(R.styleable.CirclePageIndicator_pageColor, defaultPageColor));
mPaintStroke.setStyle(Style.STROKE);
mPaintStroke.setColor(a.getColor(R.styleable.CirclePageIndicator_strokeColor, defaultStrokeColor));
mPaintStroke.setStrokeWidth(a.getDimension(R.styleable.CirclePageIndicator_strokeWidth, defaultStrokeWidth));
mPaintFill.setStyle(Style.FILL);
mPaintFill.setColor(a.getColor(R.styleable.CirclePageIndicator_fillColor, defaultFillColor));
mRadius = a.getDimension(R.styleable.CirclePageIndicator_radius, defaultRadius);
mSnap = a.getBoolean(R.styleable.CirclePageIndicator_snap, defaultSnap);
Drawable background = a.getDrawable(R.styleable.CirclePageIndicator_android_background);
if (background != null) {
setBackgroundDrawable(background);
}
a.recycle();
final ViewConfiguration configuration = ViewConfiguration.get(context);
mTouchSlop = ViewConfigurationCompat.getScaledPagingTouchSlop(configuration);
}
void initViewPager() {
setWillNotDraw(false);
setDescendantFocusability(FOCUS_AFTER_DESCENDANTS);
setFocusable(true);
final Context context = getContext();
mScroller = new Scroller(context, sInterpolator);
final ViewConfiguration configuration = ViewConfiguration.get(context);
final float density = context.getResources().getDisplayMetrics().density;
mTouchSlop = ViewConfigurationCompat.getScaledPagingTouchSlop(configuration);
mMinimumVelocity = (int) (MIN_FLING_VELOCITY * density);
mMaximumVelocity = configuration.getScaledMaximumFlingVelocity();
mLeftEdge = new EdgeEffectCompat(context);
mRightEdge = new EdgeEffectCompat(context);
mFlingDistance = (int) (MIN_DISTANCE_FOR_FLING * density);
mCloseEnough = (int) (CLOSE_ENOUGH * density);
mDefaultGutterSize = (int) (DEFAULT_GUTTER_SIZE * density);
ViewCompat.setAccessibilityDelegate(this, new MyAccessibilityDelegate());
if (ViewCompat.getImportantForAccessibility(this)
== ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_AUTO) {
ViewCompat.setImportantForAccessibility(this,
ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_YES);
}
}
public LinePageIndicator(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
if (isInEditMode()) return;
final Resources res = getResources();
//Load defaults from resources
final int defaultSelectedColor = res.getColor(R.color.default_line_indicator_selected_color);
final int defaultUnselectedColor = res.getColor(R.color.default_line_indicator_unselected_color);
final float defaultLineWidth = res.getDimension(R.dimen.default_line_indicator_line_width);
final float defaultGapWidth = res.getDimension(R.dimen.default_line_indicator_gap_width);
final float defaultStrokeWidth = res.getDimension(R.dimen.default_line_indicator_stroke_width);
final boolean defaultCentered = res.getBoolean(R.bool.default_line_indicator_centered);
//Retrieve styles attributes
TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.LinePageIndicator, defStyle, 0);
mCentered = a.getBoolean(R.styleable.LinePageIndicator_centered, defaultCentered);
mLineWidth = a.getDimension(R.styleable.LinePageIndicator_lineWidth, defaultLineWidth);
mGapWidth = a.getDimension(R.styleable.LinePageIndicator_gapWidth, defaultGapWidth);
setStrokeWidth(a.getDimension(R.styleable.LinePageIndicator_strokeWidth, defaultStrokeWidth));
mPaintUnselected.setColor(a.getColor(R.styleable.LinePageIndicator_unselectedColor, defaultUnselectedColor));
mPaintSelected.setColor(a.getColor(R.styleable.LinePageIndicator_selectedColor, defaultSelectedColor));
Drawable background = a.getDrawable(R.styleable.LinePageIndicator_android_background);
if (background != null) {
setBackgroundDrawable(background);
}
a.recycle();
final ViewConfiguration configuration = ViewConfiguration.get(context);
mTouchSlop = ViewConfigurationCompat.getScaledPagingTouchSlop(configuration);
}
private void initTwoDScrollView() {
mScroller = new Scroller(getContext());
setFocusable(true);
setDescendantFocusability(FOCUS_AFTER_DESCENDANTS);
setWillNotDraw(false);
final ViewConfiguration configuration = ViewConfiguration.get(getContext());
mTouchSlop = configuration.getScaledTouchSlop();
mMinimumVelocity = configuration.getScaledMinimumFlingVelocity();
mMaximumVelocity = configuration.getScaledMaximumFlingVelocity();
}
/**
* Constructs a new swipe-to-dismiss touch listener for the given list view.
*
* @param listView
* The list view whose items should be dismissable.
* @param callback
* The callback to trigger when the user has indicated that she
* would like to dismiss one or more list items.
*/
public SwipeDismissListViewTouchListener(final AbsListView listView, final OnDismissCallback callback, final SwipeOnScrollListener onScroll) {
ViewConfiguration vc = ViewConfiguration.get(listView.getContext());
mSlop = vc.getScaledTouchSlop();
mMinFlingVelocity = vc.getScaledMinimumFlingVelocity() * MIN_FLING_VELOCITY_FACTOR;
mMaxFlingVelocity = vc.getScaledMaximumFlingVelocity();
mAnimationTime = listView.getContext().getResources().getInteger(android.R.integer.config_shortAnimTime);
mListView = listView;
mCallback = callback;
onScroll.setTouchListener(this);
mListView.setOnScrollListener(onScroll);
}
public CirclePageIndicator(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
if (isInEditMode())
return;
//Load defaults from resources
final Resources res = getResources();
final int defaultPageColor = res.getColor(R.color.default_circle_indicator_page_color);
final int defaultFillColor = res.getColor(R.color.default_circle_indicator_fill_color);
final int defaultOrientation = res.getInteger(R.integer.default_circle_indicator_orientation);
final int defaultStrokeColor = res.getColor(R.color.default_circle_indicator_stroke_color);
final float defaultStrokeWidth = res.getDimension(R.dimen.default_circle_indicator_stroke_width);
final float defaultRadius = res.getDimension(R.dimen.default_circle_indicator_radius);
final boolean defaultCentered = res.getBoolean(R.bool.default_circle_indicator_centered);
final boolean defaultSnap = res.getBoolean(R.bool.default_circle_indicator_snap);
//Retrieve styles attributes
TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.CirclePageIndicator, defStyle, 0);
mCentered = a.getBoolean(R.styleable.CirclePageIndicator_centered, defaultCentered);
mOrientation = a.getInt(R.styleable.CirclePageIndicator_android_orientation, defaultOrientation);
mPaintPageFill.setStyle(Style.FILL);
mPaintPageFill.setColor(a.getColor(R.styleable.CirclePageIndicator_pageColor, defaultPageColor));
mPaintStroke.setStyle(Style.STROKE);
mPaintStroke.setColor(a.getColor(R.styleable.CirclePageIndicator_strokeColor, defaultStrokeColor));
mPaintStroke.setStrokeWidth(a.getDimension(R.styleable.CirclePageIndicator_strokeWidth, defaultStrokeWidth));
mPaintFill.setStyle(Style.FILL);
mPaintFill.setColor(a.getColor(R.styleable.CirclePageIndicator_fillColor, defaultFillColor));
mRadius = a.getDimension(R.styleable.CirclePageIndicator_radius, defaultRadius);
mSnap = a.getBoolean(R.styleable.CirclePageIndicator_snap, defaultSnap);
Drawable background = a.getDrawable(R.styleable.CirclePageIndicator_android_background);
if (background != null) {
setBackgroundDrawable(background);
}
a.recycle();
final ViewConfiguration configuration = ViewConfiguration.get(context);
mTouchSlop = ViewConfigurationCompat.getScaledPagingTouchSlop(configuration);
}
public RadialPickerLayout(Context context, AttributeSet attrs) {
super(context, attrs);
setOnTouchListener(this);
ViewConfiguration vc = ViewConfiguration.get(context);
TOUCH_SLOP = vc.getScaledTouchSlop();
TAP_TIMEOUT = ViewConfiguration.getTapTimeout();
mDoingMove = false;
mCircleView = new CircleView(context);
addView(mCircleView);
mAmPmCirclesView = new AmPmCirclesView(context);
addView(mAmPmCirclesView);
mHourRadialTextsView = new RadialTextsView(context);
addView(mHourRadialTextsView);
mMinuteRadialTextsView = new RadialTextsView(context);
addView(mMinuteRadialTextsView);
mHourRadialSelectorView = new RadialSelectorView(context);
addView(mHourRadialSelectorView);
mMinuteRadialSelectorView = new RadialSelectorView(context);
addView(mMinuteRadialSelectorView);
// Prepare mapping to snap touchable degrees to selectable degrees.
preparePrefer30sMap();
mVibrator = (Vibrator) context.getSystemService(Service.VIBRATOR_SERVICE);
mLastVibrate = 0;
mLastValueSelected = -1;
mInputEnabled = true;
mGrayBox = new View(context);
mGrayBox.setLayoutParams(new ViewGroup.LayoutParams(
ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
mGrayBox.setBackgroundColor(getResources().getColor(R.color.transparent_black));
mGrayBox.setVisibility(View.INVISIBLE);
addView(mGrayBox);
mAccessibilityManager = (AccessibilityManager) context.getSystemService(Context.ACCESSIBILITY_SERVICE);
mTimeInitialized = false;
}
public CirclePageIndicator(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
if (isInEditMode()) return;
//Load defaults from resources
Resources res = getResources();
final int defaultPageColor = ContextCompat.getColor(getContext(), R.color.default_circle_indicator_page_color);
final int defaultFillColor = ContextCompat.getColor(getContext(), R.color.default_circle_indicator_fill_color);
final int defaultOrientation = res.getInteger(R.integer.default_circle_indicator_orientation);
final int defaultStrokeColor = ContextCompat.getColor(getContext(), R.color.default_circle_indicator_stroke_color);
final float defaultExtraSpacing = res.getDimension(R.dimen.default_circle_indicator_extra_spacing);
final float defaultStrokeWidth = res.getDimension(R.dimen.default_circle_indicator_stroke_width);
final float defaultRadius = res.getDimension(R.dimen.default_circle_indicator_radius);
final boolean defaultCentered = res.getBoolean(R.bool.default_circle_indicator_centered);
final boolean defaultSnap = res.getBoolean(R.bool.default_circle_indicator_snap);
//Retrieve styles attributes
TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.CirclePageIndicator, defStyle, 0);
mCentered = a.getBoolean(R.styleable.CirclePageIndicator_centered, defaultCentered);
mOrientation = a.getInt(R.styleable.CirclePageIndicator_android_orientation, defaultOrientation);
mPaintPageFill.setStyle(Style.FILL);
mPaintPageFill.setColor(a.getColor(R.styleable.CirclePageIndicator_pageColor, defaultPageColor));
mPaintStroke.setStyle(Style.STROKE);
mPaintStroke.setColor(a.getColor(R.styleable.CirclePageIndicator_strokeColor, defaultStrokeColor));
mPaintStroke.setStrokeWidth(a.getDimension(R.styleable.CirclePageIndicator_strokeWidth, defaultStrokeWidth));
mPaintFill.setStyle(Style.FILL);
mPaintFill.setColor(a.getColor(R.styleable.CirclePageIndicator_fillColor, defaultFillColor));
mRadius = a.getDimension(R.styleable.CirclePageIndicator_radius, defaultRadius);
mSnap = a.getBoolean(R.styleable.CirclePageIndicator_snap, defaultSnap);
mExtraSpacing = a.getDimension(R.styleable.CirclePageIndicator_extraSpacing, defaultExtraSpacing);
Drawable background = a.getDrawable(R.styleable.CirclePageIndicator_android_background);
if (background != null) {
setBackgroundDrawable(background);
}
a.recycle();
final ViewConfiguration configuration = ViewConfiguration.get(context);
mTouchSlop = ViewConfigurationCompat.getScaledPagingTouchSlop(configuration);
}
/**
* Sets the sensitivity of the dragger.
*
* @param context The application context.
* @param sensitivity value between 0 and 1, the final value for touchSlop =
* ViewConfiguration.getScaledTouchSlop * (1 / s);
*/
public void setSensitivity(Context context, float sensitivity) {
float s = Math.max(0f, Math.min(1.0f, sensitivity));
ViewConfiguration viewConfiguration = ViewConfiguration.get(context);
mTouchSlop = (int) (viewConfiguration.getScaledTouchSlop() * (1 / s));
}