Example usage for android.view.accessibility AccessibilityEvent obtain

Introduction

In this page you can find the example usage for android.view.accessibility AccessibilityEvent obtain.

Prototype

public static AccessibilityEvent obtain(AccessibilityEvent event) 

Source Link

Document

Returns a cached instance if such is available or a new one is created.

Usage

From source file:com.android.inputmethod.accessibility.KeyboardAccessibilityDelegate.java

/**
 * Sends a window state change event with the specified text.
 *
 * @param text The text to send with the event.
 *//*from  ww w.  jav  a 2 s .c om*/
protected void sendWindowStateChanged(final String text) {
    final AccessibilityEvent stateChange = AccessibilityEvent
            .obtain(AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED);
    mKeyboardView.onInitializeAccessibilityEvent(stateChange);
    stateChange.getText().add(text);
    stateChange.setContentDescription(null);

    final ViewParent parent = mKeyboardView.getParent();
    if (parent != null) {
        parent.requestSendAccessibilityEvent(mKeyboardView, stateChange);
    }
}

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From source file:com.android.hareime.accessibility.AccessibilityEntityProvider.java

/**
 * Creates and populates an {@link AccessibilityEvent} for the specified key
 * and event type./*from ww  w  .  ja  v a 2s  .c  o  m*/
 *
 * @param key A key on the host keyboard view.
 * @param eventType The event type to create.
 * @return A populated {@link AccessibilityEvent} for the key.
 * @see AccessibilityEvent
 */
public AccessibilityEvent createAccessibilityEvent(Key key, int eventType) {
    final int virtualViewId = generateVirtualViewIdForKey(key);
    final String keyDescription = getKeyDescription(key);

    final AccessibilityEvent event = AccessibilityEvent.obtain(eventType);
    event.setPackageName(mKeyboardView.getContext().getPackageName());
    event.setClassName(key.getClass().getName());
    event.setContentDescription(keyDescription);
    event.setEnabled(true);

    final AccessibilityRecordCompat record = new AccessibilityRecordCompat(event);
    record.setSource(mKeyboardView, virtualViewId);

    return event;
}

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From source file:com.aprz.easy_iosched.ui.widget.CustomRatingBar.java

@Override
public void sendAccessibilityEvent(final int eventType) {
    if (!AccessibilityUtils.isAccessibilityEnabled(getContext())) {
        return;//w w  w . ja v a 2  s  .  c o m
    }
    super.sendAccessibilityEvent(eventType);

    AccessibilityEvent event = AccessibilityEvent.obtain(eventType);
    // Get the Talkback text.
    event.getText().add(
            getContext().getResources().getString(R.string.feedback_rating_confirmation, mRating, mMaxRating));
    event.setEnabled(true);
    AccessibilityManager accessibilityManager = (AccessibilityManager) getContext()
            .getSystemService(Context.ACCESSIBILITY_SERVICE);
    accessibilityManager.sendAccessibilityEvent(event);
}

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From source file:com.onyx.latinime.accessibility.AccessibilityEntityProvider.java

/**
 * Creates and populates an {@link AccessibilityEvent} for the specified key
 * and event type.//from w w  w. j  a  v  a  2  s.  c o m
 *
 * @param key A key on the host keyboard view.
 * @param eventType The event type to create.
 * @return A populated {@link AccessibilityEvent} for the key.
 * @see AccessibilityEvent
 */
public AccessibilityEvent createAccessibilityEvent(final Key key, final int eventType) {
    final int virtualViewId = generateVirtualViewIdForKey(key);
    final String keyDescription = getKeyDescription(key);
    final AccessibilityEvent event = AccessibilityEvent.obtain(eventType);
    event.setPackageName(mKeyboardView.getContext().getPackageName());
    event.setClassName(key.getClass().getName());
    event.setContentDescription(keyDescription);
    event.setEnabled(true);
    final AccessibilityRecordCompat record = new AccessibilityRecordCompat(event);
    record.setSource(mKeyboardView, virtualViewId);
    return event;
}

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From source file:ti.modules.titanium.app.AppModule.java

@Kroll.method
public void fireSystemEvent(String eventName, @Kroll.argument(optional = true) Object arg) {
    if (eventName.equals(EVENT_ACCESSIBILITY_ANNOUNCEMENT)) {

        if (!getAccessibilityEnabled()) {
            Log.w(TAG,//from   ww w .  j a  va  2 s.  c o  m
                    "Accessibility announcement ignored. Accessibility services are not enabled on this device.");
            return;
        }

        if (arg == null) {
            Log.w(TAG, "Accessibility announcement ignored. No announcement text was provided.");
            return;
        }

        AccessibilityManager accessibilityManager = TiApplication.getInstance().getAccessibilityManager();
        AccessibilityEvent event = AccessibilityEvent.obtain(AccessibilityEventCompat.TYPE_ANNOUNCEMENT);
        event.setEnabled(true);
        event.getText().clear();
        event.getText().add(TiConvert.toString(arg));
        accessibilityManager.sendAccessibilityEvent(event);

    } else {
        Log.w(TAG, "Unknown system event: " + eventName);
    }
}

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From source file:com.android.inputmethod.accessibility.KeyboardAccessibilityNodeProvider.java

/**
 * Creates and populates an {@link AccessibilityEvent} for the specified key
 * and event type./*w  w  w.j  av a 2s  .c om*/
 *
 * @param key A key on the host keyboard view.
 * @param eventType The event type to create.
 * @return A populated {@link AccessibilityEvent} for the key.
 * @see AccessibilityEvent
 */
public AccessibilityEvent createAccessibilityEvent(final Key key, final int eventType) {
    final int virtualViewId = getVirtualViewIdOf(key);
    final String keyDescription = getKeyDescription(key);
    final AccessibilityEvent event = AccessibilityEvent.obtain(eventType);
    event.setPackageName(mKeyboardView.getContext().getPackageName());
    event.setClassName(key.getClass().getName());
    event.setContentDescription(keyDescription);
    event.setEnabled(true);
    final AccessibilityRecordCompat record = AccessibilityEventCompat.asRecord(event);
    record.setSource(mKeyboardView, virtualViewId);
    return event;
}

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From source file:com.onyx.latinime.accessibility.AccessibleKeyboardViewProxy.java

/**
 * Sends a window state change event with the specified text.
 *
 * @param text The text to send with the event.
 *//* w w w .j  ava 2  s  . co  m*/
private void sendWindowStateChanged(final String text) {
    final AccessibilityEvent stateChange = AccessibilityEvent
            .obtain(AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED);
    mView.onInitializeAccessibilityEvent(stateChange);
    stateChange.getText().add(text);
    stateChange.setContentDescription(null);

    final ViewParent parent = mView.getParent();
    if (parent != null) {
        parent.requestSendAccessibilityEvent(mView, stateChange);
    }
}

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From source file:com.android.yijiang.kzx.widget.betterpickers.TouchExplorationHelper.java

private AccessibilityEvent getEventForItem(T item, int eventType) {
    final AccessibilityEvent event = AccessibilityEvent.obtain(eventType);
    final AccessibilityRecordCompat record = new AccessibilityRecordCompat(event);
    final int virtualDescendantId = getIdForItem(item);

    // Ensure the client has good defaults.
    event.setEnabled(true);/*from w  w  w. j  a  va 2  s. c  o  m*/

    // Allow the client to populate the event.
    populateEventForItem(item, event);

    if (event.getText().isEmpty() && TextUtils.isEmpty(event.getContentDescription())) {
        throw new RuntimeException("You must add text or a content description in populateEventForItem()");
    }

    // Don't allow the client to override these properties.
    event.setClassName(item.getClass().getName());
    event.setPackageName(mParentView.getContext().getPackageName());
    record.setSource(mParentView, virtualDescendantId);

    return event;
}

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From source file:com.deange.datetimepicker.TouchExplorationHelper.java

private AccessibilityEvent getEventForItem(T item, int eventType) {
    final AccessibilityEvent event = AccessibilityEvent.obtain(eventType);
    final AccessibilityRecordCompat record = new AccessibilityRecordCompat(event);
    final int virtualDescendantId = getIdForItem(item);

    // Ensure the client has good defaults.
    event.setEnabled(true);//from  ww w  .  ja va2 s. co  m

    // Allow the client to populate the event.
    populateEventForItem(item, event);

    if (event.getText().isEmpty() && TextUtils.isEmpty(event.getContentDescription())) {
        throw new RuntimeException("You must add text or a content description in populateEventForItem()");
    }

    // Don't allow the client to override these properties.
    event.setClassName(item.getClass().getName());
    event.setPackageName(mParentView.getContext().getPackageName());
    record.setSource(mParentView, virtualDescendantId);

    return event;
}

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From source file:com.android.utils.ExploreByTouchHelper.java

private AccessibilityEvent getEventForRoot(int eventType) {
    final AccessibilityEvent event = AccessibilityEvent.obtain(eventType);
    mHost.onInitializeAccessibilityEvent(event);

    final AccessibilityRecordCompat record = AccessibilityEventCompat.asRecord(event);
    record.setSource(mHost, ROOT_ID);// www .  jav a  2s  .  c  o m

    return event;
}

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