Accessibility support to NumberPicker, DatePicker, and TimePicker (8a2a8958) · Commits · e / os / android_frameworks_base

core/java/android/widget/DatePicker.java

+12 −0

Original line number	Diff line number	Diff line
		@@ -30,6 +30,7 @@ import android.util.AttributeSet;
		import android.util.Log;
		import android.util.SparseArray;
		import android.view.LayoutInflater;
		import android.view.accessibility.AccessibilityEvent;
		import android.widget.NumberPicker.OnValueChangeListener;

		import java.text.ParseException;
		@@ -353,6 +354,16 @@ public class DatePicker extends FrameLayout {
		return mIsEnabled;
		}

		@Override
		public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event) {
		int flags = DateUtils.FORMAT_SHOW_DATE \| DateUtils.FORMAT_SHOW_WEEKDAY
		\| DateUtils.FORMAT_SHOW_YEAR;
		String selectedDateUtterance = DateUtils.formatDateTime(mContext,
		mCurrentDate.getTimeInMillis(), flags);
		event.getText().add(selectedDateUtterance);
		return true;
		}

		/**
		* Gets whether the {@link CalendarView} is shown.
		*
		@@ -641,6 +652,7 @@ public class DatePicker extends FrameLayout {
		* Notifies the listener, if such, for a change in the selected date.
		*/
		private void notifyDateChanged() {
		sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_SELECTED);
		if (mOnDateChangedListener != null) {
		mOnDateChangedListener.onDateChanged(this, getYear(), getMonth(), getDayOfMonth());
		}

core/java/android/widget/TimePicker.java

+25 −3

Original line number	Diff line number	Diff line
		@@ -23,9 +23,11 @@ import android.content.Context;
		import android.content.res.TypedArray;
		import android.os.Parcel;
		import android.os.Parcelable;
		import android.text.format.DateUtils;
		import android.util.AttributeSet;
		import android.view.LayoutInflater;
		import android.view.View;
		import android.view.accessibility.AccessibilityEvent;
		import android.widget.NumberPicker.OnValueChangeListener;

		import java.text.DateFormatSymbols;
		@@ -88,6 +90,8 @@ public class TimePicker extends FrameLayout {
		// callbacks
		private OnTimeChangedListener mOnTimeChangedListener;

		private Calendar mTempCalendar;

		/**
		* The callback interface used to indicate the time has been adjusted.
		*/
		@@ -214,12 +218,12 @@ public class TimePicker extends FrameLayout {
		updateAmPmControl();

		// initialize to current time
		Calendar calendar = Calendar.getInstance();
		mTempCalendar = Calendar.getInstance();
		setOnTimeChangedListener(NO_OP_CHANGE_LISTENER);

		// set to current time
		setCurrentHour(calendar.get(Calendar.HOUR_OF_DAY));
		setCurrentMinute(calendar.get(Calendar.MINUTE));
		setCurrentHour(mTempCalendar.get(Calendar.HOUR_OF_DAY));
		setCurrentMinute(mTempCalendar.get(Calendar.MINUTE));

		if (!isEnabled()) {
		setEnabled(false);
		@@ -406,6 +410,22 @@ public class TimePicker extends FrameLayout {
		return mHourSpinner.getBaseline();
		}

		@Override
		public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event) {
		int flags = DateUtils.FORMAT_SHOW_TIME;
		if (mIs24HourView) {
		flags \|= DateUtils.FORMAT_24HOUR;
		} else {
		flags \|= DateUtils.FORMAT_12HOUR;
		}
		mTempCalendar.set(Calendar.HOUR_OF_DAY, getCurrentHour());
		mTempCalendar.set(Calendar.MINUTE, getCurrentMinute());
		String selectedDateUtterance = DateUtils.formatDateTime(mContext,
		mTempCalendar.getTimeInMillis(), flags);
		event.getText().add(selectedDateUtterance);
		return true;
		}

		private void updateHourControl() {
		if (is24HourView()) {
		mHourSpinner.setMinValue(0);
		@@ -435,9 +455,11 @@ public class TimePicker extends FrameLayout {
		mAmPmButton.setVisibility(View.VISIBLE);
		}
		}
		sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_SELECTED);
		}

		private void onTimeChanged() {
		sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_SELECTED);
		if (mOnTimeChangedListener != null) {
		mOnTimeChangedListener.onTimeChanged(this, getCurrentHour(), getCurrentMinute());
		}

core/res/res/layout/number_picker.xml

+4 −2

Original line number	Diff line number	Diff line
		@@ -22,7 +22,8 @@
		<ImageButton android:id="@+id/increment"
		android:layout_width="fill_parent"
		android:layout_height="wrap_content"
		style="?android:attr/numberPickerUpButtonStyle" />
		style="?android:attr/numberPickerUpButtonStyle"
		android:contentDescription="@string/number_picker_increment_button" />

		<EditText android:id="@+id/numberpicker_input"
		android:layout_width="fill_parent"
		@@ -32,6 +33,7 @@
		<ImageButton android:id="@+id/decrement"
		android:layout_width="fill_parent"
		android:layout_height="wrap_content"
		style="?android:attr/numberPickerDownButtonStyle" />
		style="?android:attr/numberPickerDownButtonStyle"
		android:contentDescription="@string/number_picker_decrement_button" />

		</merge>

core/res/res/values/strings.xml

+7 −0

Original line number	Diff line number	Diff line
		@@ -2690,4 +2690,11 @@

		<!-- Choose Account Activity label -->
		<string name="choose_account_label">Select an account</string>

		<!-- NumberPicker - accessibility support -->
		<!-- Description of the button to increment the NumberPicker value. [CHAR LIMIT=NONE] -->
		<string name="number_picker_increment_button">Increment</string>
		<!-- Description of the button to decrement the NumberPicker value. [CHAR LIMIT=NONE] -->
		<string name="number_picker_decrement_button">Decrement</string>

		</resources>