下面列出了android.support.v4.view.ViewCompat#setImportantForAccessibility ( ) 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。
public SlidingPaneLayout(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
final float density = context.getResources().getDisplayMetrics().density;
mOverhangSize = (int) (DEFAULT_OVERHANG_SIZE * density + 0.5f);
final ViewConfiguration viewConfig = ViewConfiguration.get(context);
setWillNotDraw(false);
ViewCompat.setAccessibilityDelegate(this, new AccessibilityDelegate());
ViewCompat.setImportantForAccessibility(this, ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_YES);
mDragHelper = ViewDragHelper.create(this, 0.5f, new DragHelperCallback());
mDragHelper.setEdgeTrackingEnabled(ViewDragHelper.EDGE_LEFT);
mDragHelper.setMinVelocity(MIN_FLING_VELOCITY * density);
}
private void updateChildrenImportantForAccessibility(View drawerView, boolean isDrawerOpen) {
final int childCount = getChildCount();
for (int i = 0; i < childCount; i++) {
final View child = getChildAt(i);
if (!isDrawerOpen && !isDrawerView(child)
|| isDrawerOpen && child == drawerView) {
// Drawer is closed and this is a content view or this is an
// open drawer view, so it should be visible.
ViewCompat.setImportantForAccessibility(child,
ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_YES);
} else {
ViewCompat.setImportantForAccessibility(child,
ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE_DESCENDANTS);
}
}
}
public SlidingPaneLayout(Context context, AttributeSet attributeset, int i1)
{
super(context, attributeset, i1);
e = 0xcccccccc;
v = true;
w = new Rect();
x = new ArrayList();
float f1 = context.getResources().getDisplayMetrics().density;
i = (int)(0.5F + 32F * f1);
ViewConfiguration.get(context);
setWillNotDraw(false);
ViewCompat.setAccessibilityDelegate(this, new H(this));
ViewCompat.setImportantForAccessibility(this, 1);
t = ViewDragHelper.create(this, 0.5F, new J(this, null));
t.setEdgeTrackingEnabled(1);
t.setMinVelocity(f1 * 400F);
}
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();
mTopEdge = new EdgeEffectCompat(context);
mBottomEdge = 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);
}
}
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 MonthView(Context context, AttributeSet attr) {
super(context, attr);
Resources res = context.getResources();
mDayLabelCalendar = Calendar.getInstance();
mCalendar = Calendar.getInstance();
mDayOfWeekTypeface = res.getString(R.string.day_of_week_label_typeface);
mMonthTitleTypeface = res.getString(R.string.sans_serif);
mDayTextColor = res.getColor(R.color.date_picker_text_normal);
mTodayNumberColor = res.getColor(R.color.blue);
mDisabledDayTextColor = res.getColor(R.color.date_picker_text_disabled);
mMonthTitleColor = res.getColor(R.color.white);
mMonthTitleBGColor = res.getColor(R.color.circle_background);
mStringBuilder = new StringBuilder(50);
mFormatter = new Formatter(mStringBuilder, Locale.getDefault());
MINI_DAY_NUMBER_TEXT_SIZE = res.getDimensionPixelSize(R.dimen.day_number_size);
MONTH_LABEL_TEXT_SIZE = res.getDimensionPixelSize(R.dimen.month_label_size);
MONTH_DAY_LABEL_TEXT_SIZE = res.getDimensionPixelSize(R.dimen.month_day_label_text_size);
MONTH_HEADER_SIZE = res.getDimensionPixelOffset(R.dimen.month_list_item_header_height);
DAY_SELECTED_CIRCLE_SIZE = res
.getDimensionPixelSize(R.dimen.day_number_select_circle_radius);
CIRCLE_INDICATOR_SiZE = Math.round(0.15f * (float)DAY_SELECTED_CIRCLE_SIZE);
mRowHeight = (res.getDimensionPixelOffset(R.dimen.date_picker_view_animator_height)
- getMonthHeaderSize()) / MAX_NUM_ROWS;
// Set up accessibility components.
mTouchHelper = getMonthViewTouchHelper();
ViewCompat.setAccessibilityDelegate(this, mTouchHelper);
ViewCompat.setImportantForAccessibility(this, ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_YES);
mLockAccessibilityDelegate = true;
// Sets up any standard paints that will be used
initView();
}
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();
mTopEdge = new EdgeEffectCompat(context);
mBottomEdge = 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 DrawerLayout(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
setDescendantFocusability(ViewGroup.FOCUS_AFTER_DESCENDANTS);
final float density = getResources().getDisplayMetrics().density;
mMinDrawerMargin = (int) (MIN_DRAWER_MARGIN * density + 0.5f);
final float minVel = MIN_FLING_VELOCITY * density;
mLeftCallback = new ViewDragCallback(Gravity.LEFT);
mRightCallback = new ViewDragCallback(Gravity.RIGHT);
mLeftDragger = ViewDragHelper.create(this, TOUCH_SLOP_SENSITIVITY, mLeftCallback);
mLeftDragger.setEdgeTrackingEnabled(ViewDragHelper.EDGE_LEFT);
mLeftDragger.setMinVelocity(minVel);
mLeftCallback.setDragger(mLeftDragger);
mRightDragger = ViewDragHelper.create(this, TOUCH_SLOP_SENSITIVITY, mRightCallback);
mRightDragger.setEdgeTrackingEnabled(ViewDragHelper.EDGE_RIGHT);
mRightDragger.setMinVelocity(minVel);
mRightCallback.setDragger(mRightDragger);
// So that we can catch the back button
setFocusableInTouchMode(true);
ViewCompat.setImportantForAccessibility(this,
ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_YES);
ViewCompat.setAccessibilityDelegate(this, new AccessibilityDelegate());
ViewGroupCompat.setMotionEventSplittingEnabled(this, false);
if (ViewCompat.getFitsSystemWindows(this)) {
IMPL.configureApplyInsets(this);
}
}
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);
}
}
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);
}
}
@Override
public void onInitializeAccessibilityNodeInfo(View host, AccessibilityNodeInfoCompat info) {
final AccessibilityNodeInfoCompat superNode = AccessibilityNodeInfoCompat.obtain(info);
super.onInitializeAccessibilityNodeInfo(host, superNode);
copyNodeInfoNoChildren(info, superNode);
superNode.recycle();
info.setClassName(SwipeBackLayout.class.getName());
info.setSource(host);
final ViewParent parent = ViewCompat.getParentForAccessibility(host);
if (parent instanceof View) {
info.setParent((View) parent);
}
// This is a best-approximation of addChildrenForAccessibility()
// that accounts for filtering.
final int childCount = getChildCount();
for (int i = 0; i < childCount; i++) {
final View child = getChildAt(i);
if (!filter(child) && (child.getVisibility() == View.VISIBLE)) {
// Force importance to "yes" since we can't read the value.
ViewCompat.setImportantForAccessibility(
child, ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_YES);
info.addChild(child);
}
}
}
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);
mTouchSlop = ViewConfigurationCompat.getScaledPagingTouchSlop(configuration);
mMinimumVelocity = configuration.getScaledMinimumFlingVelocity();
mMaximumVelocity = configuration.getScaledMaximumFlingVelocity();
mTopEdge = new EdgeEffectCompat(context);
mBottomEdge = new EdgeEffectCompat(context);
final float density = context.getResources().getDisplayMetrics().density;
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);
}
}
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);
}
}
@Override
public void onInitializeAccessibilityNodeInfo(View host, AccessibilityNodeInfoCompat info) {
final AccessibilityNodeInfoCompat superNode = AccessibilityNodeInfoCompat.obtain(info);
super.onInitializeAccessibilityNodeInfo(host, superNode);
copyNodeInfoNoChildren(info, superNode);
superNode.recycle();
info.setClassName(SlideFrameLayout.class.getName());
info.setSource(host);
final ViewParent parent = ViewCompat.getParentForAccessibility(host);
if (parent instanceof View) {
info.setParent((View) parent);
}
// This is a best-approximation of addChildrenForAccessibility()
// that accounts for filtering.
final int childCount = getChildCount();
for (int i = 0; i < childCount; i++) {
final View child = getChildAt(i);
if (!filter(child) && (child.getVisibility() == View.VISIBLE)) {
// Force importance to "yes" since we can't read the value.
ViewCompat.setImportantForAccessibility(
child, ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_YES);
info.addChild(child);
}
}
}
public SnackbarLayout(Context context, AttributeSet attrs) {
super(context, attrs);
TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.SnackbarLayout);
mMaxWidth = a.getDimensionPixelSize(R.styleable.SnackbarLayout_android_maxWidth, -1);
mMaxInlineActionWidth = a.getDimensionPixelSize(
R.styleable.SnackbarLayout_maxActionInlineWidth, -1);
if (a.hasValue(R.styleable.SnackbarLayout_elevation)) {
ViewCompat.setElevation(this, a.getDimensionPixelSize(
R.styleable.SnackbarLayout_elevation, 0));
}
a.recycle();
setClickable(true);
// Now inflate our content. We need to do this manually rather than using an <include>
// in the layout since older versions of the Android do not inflate includes with
// the correct Context.
LayoutInflater.from(context).inflate(com.jet.sweettips.R.layout.sweet_layout_snackbar_include, this);
ViewCompat.setAccessibilityLiveRegion(this,
ViewCompat.ACCESSIBILITY_LIVE_REGION_POLITE);
ViewCompat.setImportantForAccessibility(this,
ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_YES);
// Make sure that we fit system windows and have a listener to apply any insets
ViewCompat.setFitsSystemWindows(this, true);
ViewCompat.setOnApplyWindowInsetsListener(this,
new android.support.v4.view.OnApplyWindowInsetsListener() {
@Override
public WindowInsetsCompat onApplyWindowInsets(View v, WindowInsetsCompat insets) {
// Copy over the bottom inset as padding so that we're displayed above the
// navigation bar
v.setPadding(v.getPaddingLeft(), v.getPaddingTop(),
v.getPaddingRight(), insets.getSystemWindowInsetBottom());
return insets;
}
});
}
@Override
public void onInitializeAccessibilityNodeInfo(View host, AccessibilityNodeInfoCompat info) {
final AccessibilityNodeInfoCompat superNode = AccessibilityNodeInfoCompat.obtain(info);
super.onInitializeAccessibilityNodeInfo(host, superNode);
copyNodeInfoNoChildren(info, superNode);
superNode.recycle();
info.setClassName(SlidingPaneLayout.class.getName());
info.setSource(host);
final ViewParent parent = ViewCompat.getParentForAccessibility(host);
if (parent instanceof View) {
info.setParent((View) parent);
}
// This is a best-approximation of addChildrenForAccessibility()
// that accounts for filtering.
final int childCount = getChildCount();
for (int i = 0; i < childCount; i++) {
final View child = getChildAt(i);
if (child.getVisibility() == View.VISIBLE) {
// Force importance to "yes" since we can't read the value.
ViewCompat.setImportantForAccessibility(
child, ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_YES);
info.addChild(child);
}
}
}
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 MonthView(Context context, AttributeSet attr, DatePickerController controller) {
super(context, attr);
mController = controller;
Resources res = context.getResources();
mDayLabelCalendar = Calendar.getInstance();
mCalendar = Calendar.getInstance();
mDayOfWeekTypeface = res.getString(R.string.mdtp_day_of_week_label_typeface);
mMonthTitleTypeface = res.getString(R.string.mdtp_sans_serif);
boolean darkTheme = mController != null && mController.isThemeDark();
if(darkTheme) {
mDayTextColor = ContextCompat.getColor(context, R.color.mdtp_date_picker_text_normal_dark_theme);
mMonthDayTextColor = ContextCompat.getColor(context, R.color.mdtp_date_picker_month_day_dark_theme);
mDisabledDayTextColor = ContextCompat.getColor(context, R.color.mdtp_date_picker_text_disabled_dark_theme);
mHighlightedDayTextColor = ContextCompat.getColor(context, R.color.mdtp_date_picker_text_highlighted_dark_theme);
}
else {
mDayTextColor = ContextCompat.getColor(context, R.color.mdtp_date_picker_text_normal);
mMonthDayTextColor = ContextCompat.getColor(context, R.color.mdtp_date_picker_month_day);
mDisabledDayTextColor = ContextCompat.getColor(context, R.color.mdtp_date_picker_text_disabled);
mHighlightedDayTextColor = ContextCompat.getColor(context, R.color.mdtp_date_picker_text_highlighted);
}
mSelectedDayTextColor = ContextCompat.getColor(context, R.color.mdtp_white);
mTodayNumberColor = mController.getAccentColor();
mMonthTitleColor = ContextCompat.getColor(context, R.color.mdtp_white);
mStringBuilder = new StringBuilder(50);
mFormatter = new Formatter(mStringBuilder, Locale.getDefault());
MINI_DAY_NUMBER_TEXT_SIZE = res.getDimensionPixelSize(R.dimen.mdtp_day_number_size);
MONTH_LABEL_TEXT_SIZE = res.getDimensionPixelSize(R.dimen.mdtp_month_label_size);
MONTH_DAY_LABEL_TEXT_SIZE = res.getDimensionPixelSize(R.dimen.mdtp_month_day_label_text_size);
MONTH_HEADER_SIZE = res.getDimensionPixelOffset(R.dimen.mdtp_month_list_item_header_height);
DAY_SELECTED_CIRCLE_SIZE = res
.getDimensionPixelSize(R.dimen.mdtp_day_number_select_circle_radius);
mRowHeight = (res.getDimensionPixelOffset(R.dimen.mdtp_date_picker_view_animator_height)
- getMonthHeaderSize()) / MAX_NUM_ROWS;
// Set up accessibility components.
mTouchHelper = getMonthViewTouchHelper();
ViewCompat.setAccessibilityDelegate(this, mTouchHelper);
ViewCompat.setImportantForAccessibility(this, ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_YES);
mLockAccessibilityDelegate = true;
// Sets up any standard paints that will be used
initView();
}
public MonthView(Context context) {
super(context);
Resources res = context.getResources();
mDayLabelCalendar = Calendar.getInstance();
mCalendar = Calendar.getInstance();
mDayOfWeekTypeface = res.getString(R.string.day_of_week_label_typeface);
mMonthTitleTypeface = res.getString(R.string.sans_serif);
mDayTextColor = res.getColor(R.color.date_picker_text_normal);
mTodayNumberColor = res.getColor(R.color.blue);
TypedArray attrArray = getContext().getTheme().obtainStyledAttributes(R.styleable.DateTimePicker);
int attrCount = attrArray.getIndexCount();
for (int i = 0; i < attrCount; i++) {
int attr = attrArray.getIndex(i);
switch (attr) {
case R.styleable.DateTimePicker_hightlightedTextColor:
ColorStateList stateList = attrArray.getColorStateList(attr);
mTodayNumberColor = stateList.getColorForState(new int[]{android.R.attr.state_selected}, stateList.getDefaultColor());
break;
case R.styleable.DateTimePicker_defaultTextColor:
stateList = attrArray.getColorStateList(attr);
mDayTextColor = stateList.getColorForState(new int[]{android.R.attr.state_selected}, stateList.getDefaultColor());
break;
}
}
mMonthTitleColor = res.getColor(R.color.white);
mMonthTitleBGColor = res.getColor(R.color.circle_background);
mStringBuilder = new StringBuilder(50);
mFormatter = new Formatter(mStringBuilder, Locale.getDefault());
MINI_DAY_NUMBER_TEXT_SIZE = res.getDimensionPixelSize(R.dimen.day_number_size);
MONTH_LABEL_TEXT_SIZE = res.getDimensionPixelSize(R.dimen.month_label_size);
MONTH_DAY_LABEL_TEXT_SIZE = res.getDimensionPixelSize(R.dimen.month_day_label_text_size);
MONTH_HEADER_SIZE = res.getDimensionPixelOffset(R.dimen.month_list_item_header_height);
DAY_SELECTED_CIRCLE_SIZE = res
.getDimensionPixelSize(R.dimen.day_number_select_circle_radius);
mRowHeight = (res.getDimensionPixelOffset(R.dimen.date_picker_view_animator_height)
- MONTH_HEADER_SIZE) / MAX_NUM_ROWS;
// Set up accessibility components.
mTouchHelper = getMonthViewTouchHelper();
ViewCompat.setAccessibilityDelegate(this, mTouchHelper);
ViewCompat.setImportantForAccessibility(this, ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_YES);
mLockAccessibilityDelegate = true;
// Sets up any standard paints that will be used
initView();
}
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);
mTopEdge = new EdgeEffectCompat(context);
mBottomEdge = 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);
}
ViewCompat.setOnApplyWindowInsetsListener(this,
new android.support
.v4.view.OnApplyWindowInsetsListener() {
private final Rect mTempRect = new Rect();
@Override
public WindowInsetsCompat
onApplyWindowInsets(final View v,
final WindowInsetsCompat originalInsets) {
// First let the ViewPager itself try and consume them...
final WindowInsetsCompat applied =
ViewCompat.onApplyWindowInsets(v, originalInsets);
if (applied.isConsumed()) {
// If the ViewPager consumed all insets, return now
return applied;
}
// Now we'll manually dispatch the insets to our children. Since ViewPager
// children are always full-height, we do not want to use the standard
// ViewGroup dispatchApplyWindowInsets since if child 0 consumes them,
// the rest of the children will not receive any insets. To workaround this
// we manually dispatch the applied insets, not allowing children to
// consume them from each other. We do however keep track of any insets
// which are consumed, returning the union of our children's consumption
final Rect res = mTempRect;
res.left = applied.getSystemWindowInsetLeft();
res.top = applied.getSystemWindowInsetTop();
res.right = applied.getSystemWindowInsetRight();
res.bottom = applied.getSystemWindowInsetBottom();
for (int i = 0, count = getChildCount(); i < count; i++) {
final WindowInsetsCompat childInsets = ViewCompat
.dispatchApplyWindowInsets(getChildAt(i), applied);
// Now keep track of any consumed by tracking each dimension's min
// value
res.left
= Math.min(childInsets.getSystemWindowInsetLeft(),
res.left);
res.top = Math.min(childInsets.getSystemWindowInsetTop(),
res.top);
res.right = Math.min(childInsets.getSystemWindowInsetRight(),
res.right);
res.bottom = Math.min(childInsets.getSystemWindowInsetBottom(),
res.bottom);
}
// Now return a new WindowInsets, using the consumed window insets
return applied.replaceSystemWindowInsets(
res.left, res.top, res.right, res.bottom);
}
});
}