private void installAccessibilityDelegate() {
// The accessibility delegate enables customizing accessibility behavior
// via composition as opposed as inheritance. The main benefit is that
// one can write a backwards compatible application by setting the delegate
// only if the API level is high enough i.e. the delegate is part of the APIs.
// The easiest way to achieve that is by using the support library which
// takes the burden of checking API version and knowing which API version
// introduced the delegate off the developer.
ViewCompat.setAccessibilityDelegate(
this,
new AccessibilityDelegateCompat() {
@Override
public void onPopulateAccessibilityEvent(View host, AccessibilityEvent event) {
super.onPopulateAccessibilityEvent(host, event);
// Note that View.onPopulateAccessibilityEvent was introduced in
// ICS and we would like to tweak a bit the text that is reported to
// accessibility services via the AccessibilityEvent.
event
.getText()
.add(getContext().getString(R.string.accessibility_delegate_custom_text_added));
}
@Override
public void onInitializeAccessibilityNodeInfo(
View host, AccessibilityNodeInfoCompat info) {
super.onInitializeAccessibilityNodeInfo(host, info);
// Note that View.onInitializeAccessibilityNodeInfo was introduced in
// ICS and we would like to tweak a bit the text that is reported to
// accessibility services via the AccessibilityNodeInfo.
info.setText(
getContext().getString(R.string.accessibility_delegate_custom_text_added));
}
});
}
/**
* Called when the accessibility enabled state changes.
*
* @param enabled Whether accessibility is enabled.
*/
public void onAccessibilityStatusChanged(boolean enabled) {
// Instantiate and install the accessibility node provider on this view if necessary.
// This overrides any hover event listeners or accessibility delegates
// that may have been added elsewhere.
if (enabled && (mNodeProvider == null)) {
mAccessibilityView = new View(getContext());
addView(mAccessibilityView);
mNodeProvider = new CompositorAccessibilityProvider(mAccessibilityView);
ViewCompat.setAccessibilityDelegate(mAccessibilityView, mNodeProvider);
}
}
public SlidingPaneLayout(Context context, AttributeSet attributeSet, int n) {
super(context, attributeSet, n);
float f = context.getResources().getDisplayMetrics().density;
this.mOverhangSize = (int)(32.0f * f + 0.5f);
ViewConfiguration.get(context);
this.setWillNotDraw(false);
ViewCompat.setAccessibilityDelegate(this, new AccessibilityDelegate());
ViewCompat.setImportantForAccessibility(this, 1);
this.mDragHelper = ViewDragHelper.create(this, 0.5f, new DragHelperCallback());
this.mDragHelper.setMinVelocity(400.0f * f);
}
public ItemViewHolder(View view, DownloadActivity context) {
this.context = context;
dateFormat = android.text.format.DateFormat.getMediumDateFormat(context);
progressBar = (ProgressBar) view.findViewById(R.id.progressBar);
rightButton = (Button) view.findViewById(R.id.rightButton);
leftImageView = (ImageView) view.findViewById(R.id.icon);
descrTextView = (TextView) view.findViewById(R.id.description);
rightImageButton = (ImageView) view.findViewById(R.id.secondaryIcon);
nameTextView = (TextView) view.findViewById(R.id.title);
ViewCompat.setAccessibilityDelegate(view, context.getAccessibilityAssistant());
ViewCompat.setAccessibilityDelegate(rightButton, context.getAccessibilityAssistant());
ViewCompat.setAccessibilityDelegate(rightImageButton, context.getAccessibilityAssistant());
TypedValue typedValue = new TypedValue();
Resources.Theme theme = context.getTheme();
theme.resolveAttribute(android.R.attr.textColorPrimary, typedValue, true);
textColorPrimary = typedValue.data;
theme.resolveAttribute(android.R.attr.textColorSecondary, typedValue, true);
textColorSecondary = typedValue.data;
}
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 = res.getColor(R.color.mdtp_date_picker_text_normal_dark_theme);
mMonthDayTextColor = res.getColor(R.color.mdtp_date_picker_month_day_dark_theme);
mDisabledDayTextColor = res.getColor(R.color.mdtp_date_picker_text_disabled_dark_theme);
mHighlightedDayTextColor = res.getColor(R.color.mdtp_date_picker_text_highlighted_dark_theme);
} else {
mDayTextColor = res.getColor(R.color.mdtp_date_picker_text_normal);
mMonthDayTextColor = res.getColor(R.color.mdtp_date_picker_month_day);
mDisabledDayTextColor = res.getColor(R.color.mdtp_date_picker_text_disabled);
mHighlightedDayTextColor = res.getColor(R.color.mdtp_date_picker_text_highlighted);
}
mSelectedDayTextColor = res.getColor(R.color.mdtp_white);
mTodayNumberColor = mController.getAccentColor();
mMonthTitleColor = res.getColor(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();
}
private void installAccessibilityDelegate() {
ViewCompat.setAccessibilityDelegate(
this,
new AccessibilityDelegateCompat() {
/**
* Necessary for accessibility, to ensure we support "scrolling" forward and backward in
* the circle.
*/
@Override
public void onInitializeAccessibilityNodeInfo(
View host, AccessibilityNodeInfoCompat info) {
super.onInitializeAccessibilityNodeInfo(host, info);
info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_FORWARD);
info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD);
}
});
}
public NestedScrollView(Context var1, AttributeSet var2, int var3) {
super(var1, var2, var3);
this.mTempRect = new Rect();
this.mIsLayoutDirty = true;
this.mIsLaidOut = false;
this.mChildToScrollTo = null;
this.mIsBeingDragged = false;
this.mSmoothScrollingEnabled = true;
this.mActivePointerId = -1;
this.mScrollOffset = new int[2];
this.mScrollConsumed = new int[2];
this.initScrollView();
TypedArray var4 = var1.obtainStyledAttributes(var2, SCROLLVIEW_STYLEABLE, var3, 0);
this.setFillViewport(var4.getBoolean(0, false));
var4.recycle();
this.mParentHelper = new NestedScrollingParentHelper(this);
this.mChildHelper = new NestedScrollingChildHelper(this);
this.setNestedScrollingEnabled(true);
ViewCompat.setAccessibilityDelegate(this, ACCESSIBILITY_DELEGATE);
}