Example usage for android.view.accessibility AccessibilityEvent getText

Introduction

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

Prototype

public List<CharSequence> getText() 

Source Link

Document

Gets the text of the event.

Usage

From source file:Main.java

/**
 * Announce text through the AccessibilityManager for a view.
 *
 * @param text//from  ww w.  ja  v a 2 s .co  m
 * @param view
 * @param manager
 */
public static void announceText(String text, View view, AccessibilityManager manager) {
    // Only announce text if the accessibility service is enabled
    if (!manager.isEnabled()) {
        return;
    }
    AccessibilityEvent event = AccessibilityEvent.obtain(AccessibilityEventCompat.TYPE_ANNOUNCEMENT);
    event.getText().add(text);
    event.setEnabled(true);
    // Tie the event to the view
    event.setClassName(view.getClass().getName());
    event.setPackageName(view.getContext().getPackageName());
    AccessibilityEventCompat.asRecord(event).setSource(view);

    // Send the announcement
    manager.sendAccessibilityEvent(event);

}

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From source file:com.android.messaging.util.AccessibilityUtil.java

public static void announceForAccessibilityCompat(final View view,
        @Nullable AccessibilityManager accessibilityManager, final CharSequence text) {
    final Context context = view.getContext().getApplicationContext();
    if (accessibilityManager == null) {
        accessibilityManager = (AccessibilityManager) context.getSystemService(Context.ACCESSIBILITY_SERVICE);
    }//from w  w w  .  j  a  va2s.  c o m

    if (!accessibilityManager.isEnabled()) {
        return;
    }

    // Jelly Bean added support for speaking text verbatim
    final int eventType = OsUtil.isAtLeastJB() ? AccessibilityEvent.TYPE_ANNOUNCEMENT
            : AccessibilityEvent.TYPE_VIEW_FOCUSED;

    // Construct an accessibility event with the minimum recommended
    // attributes. An event without a class name or package may be dropped.
    final AccessibilityEvent event = AccessibilityEvent.obtain(eventType);
    event.getText().add(text);
    event.setEnabled(view.isEnabled());
    event.setClassName(view.getClass().getName());
    event.setPackageName(context.getPackageName());

    // JellyBean MR1 requires a source view to set the window ID.
    final AccessibilityRecordCompat record = AccessibilityEventCompat.asRecord(event);
    record.setSource(view);

    // Sends the event directly through the accessibility manager. If we only supported SDK 14+
    // we could have done:
    // getParent().requestSendAccessibilityEvent(this, event);
    accessibilityManager.sendAccessibilityEvent(event);
}

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From source file:com.android.mail.utils.ViewUtils.java

/**
 * Convenience method for sending a {@link android.view.accessibility.AccessibilityEvent#TYPE_ANNOUNCEMENT}
 * {@link android.view.accessibility.AccessibilityEvent} to make an announcement which is related to some
 * sort of a context change for which none of the events representing UI transitions
 * is a good fit. For example, announcing a new page in a book. If accessibility
 * is not enabled this method does nothing.
 *
 * @param view view to perform the accessibility announcement
 * @param text The announcement text./*from   w  ww . jav a2 s . com*/
 */
public static void announceForAccessibility(View view, CharSequence text) {
    final AccessibilityManager accessibilityManager = (AccessibilityManager) view.getContext()
            .getSystemService(Context.ACCESSIBILITY_SERVICE);
    final ViewParent parent = view.getParent();
    if (accessibilityManager.isEnabled() && parent != null) {
        AccessibilityEvent event = AccessibilityEvent.obtain(AccessibilityEvent.TYPE_ANNOUNCEMENT);
        view.onInitializeAccessibilityEvent(event);
        event.getText().add(text);
        event.setContentDescription(null);
        parent.requestSendAccessibilityEvent(view, event);
    }
}

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

/**
 * Gets the text of an <code>event</code> by concatenating the text members
 * (regardless of their priority) using space as a delimiter.
 *
 * @param event The event./*from  w  ww  . jav  a 2s.c o  m*/
 * @return The event text.
 */
public static CharSequence getEventAggregateText(AccessibilityEvent event) {
    if (event == null) {
        return null;
    }

    final SpannableStringBuilder aggregator = new SpannableStringBuilder();
    for (CharSequence text : event.getText()) {
        StringBuilderUtils.appendWithSeparator(aggregator, text);
    }

    return aggregator;
}

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From source file:com.aboveware.common.crouton.Manager.java

/**
 * Generates and dispatches an SDK-specific spoken announcement.
 * <p>/*  w  ww.  ja va2s  .  co m*/
 * For backwards compatibility, we're constructing an event from scratch
 * using the appropriate event type. If your application only targets SDK
 * 16+, you can just call View.announceForAccessibility(CharSequence).
 * </p>
 *
 * note: AccessibilityManager is only available from API lvl 4.
 *
 * Adapted from https://http://eyes-free.googlecode.com/files/accessibility_codelab_demos_v2_src.zip
 * via https://github.com/coreform/android-formidable-validation
 *
 * @param context Used to get {@link AccessibilityManager}
 * @param text The text to announce.
 */
public static void announceForAccessibilityCompat(Context context, CharSequence text) {
    if (Build.VERSION.SDK_INT >= 4) {
        AccessibilityManager accessibilityManager = (AccessibilityManager) context
                .getSystemService(Context.ACCESSIBILITY_SERVICE);
        if (!accessibilityManager.isEnabled()) {
            return;
        }

        // Prior to SDK 16, announcements could only be made through FOCUSED
        // events. Jelly Bean (SDK 16) added support for speaking text verbatim
        // using the ANNOUNCEMENT event type.
        final int eventType;
        if (Build.VERSION.SDK_INT < 16) {
            eventType = AccessibilityEvent.TYPE_VIEW_FOCUSED;
        } else {
            eventType = AccessibilityEventCompat.TYPE_ANNOUNCEMENT;
        }

        // Construct an accessibility event with the minimum recommended
        // attributes. An event without a class name or package may be dropped.
        final AccessibilityEvent event = AccessibilityEvent.obtain(eventType);
        event.getText().add(text);
        event.setClassName(Manager.class.getName());
        event.setPackageName(context.getPackageName());

        // Sends the event directly through the accessibility manager. If your
        // application only targets SDK 14+, you should just call
        // getParent().requestSendAccessibilityEvent(this, event);
        accessibilityManager.sendAccessibilityEvent(event);
    }
}

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From source file:com.android.gallery3d.util.AccessibilityUtils.java

public static void makeAnnouncement(View view, CharSequence announcement) {
    if (view == null)
        return;// w w w  . j ava  2 s .c om
    if (ApiHelper.HAS_ANNOUNCE_FOR_ACCESSIBILITY) {
        view.announceForAccessibility(announcement);
    } else {
        // For API 15 and earlier, we need to construct an accessibility event
        Context ctx = view.getContext();
        AccessibilityManager am = (AccessibilityManager) ctx.getSystemService(Context.ACCESSIBILITY_SERVICE);
        if (!am.isEnabled())
            return;
        AccessibilityEvent event = AccessibilityEvent
                .obtain(AccessibilityEvent.TYPE_NOTIFICATION_STATE_CHANGED);
        AccessibilityRecordCompat arc = new AccessibilityRecordCompat(event);
        arc.setSource(view);
        event.setClassName(view.getClass().getName());
        event.setPackageName(view.getContext().getPackageName());
        event.setEnabled(view.isEnabled());
        event.getText().add(announcement);
        am.sendAccessibilityEvent(event);
    }
}

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From source file:com.android.fastergallery.util.AccessibilityUtils.java

public static void makeAnnouncement(View view, CharSequence announcement) {
    if (view == null)
        return;// ww w . ja va  2 s  .  c om
    if (ApiHelper.HAS_ANNOUNCE_FOR_ACCESSIBILITY) {
        view.announceForAccessibility(announcement);
    } else {
        // For API 15 and earlier, we need to construct an accessibility
        // event
        Context ctx = view.getContext();
        AccessibilityManager am = (AccessibilityManager) ctx.getSystemService(Context.ACCESSIBILITY_SERVICE);
        if (!am.isEnabled())
            return;
        AccessibilityEvent event = AccessibilityEvent
                .obtain(AccessibilityEvent.TYPE_NOTIFICATION_STATE_CHANGED);
        AccessibilityRecordCompat arc = new AccessibilityRecordCompat(event);
        arc.setSource(view);
        event.setClassName(view.getClass().getName());
        event.setPackageName(view.getContext().getPackageName());
        event.setEnabled(view.isEnabled());
        event.getText().add(announcement);
        am.sendAccessibilityEvent(event);
    }
}

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From source file:com.appeaser.sublimepickerlibrary.utilities.AccessibilityUtils.java

public static void makeAnnouncement(View view, CharSequence announcement) {
    if (view == null)
        return;//from  w  w  w.j  a  v a 2 s  . c om
    if (SUtils.isApi_16_OrHigher()) {
        view.announceForAccessibility(announcement);
    } else {
        // For API 15 and earlier, we need to construct an accessibility event
        Context ctx = view.getContext();
        AccessibilityManager am = (AccessibilityManager) ctx.getSystemService(Context.ACCESSIBILITY_SERVICE);
        if (!am.isEnabled())
            return;

        AccessibilityEvent event = AccessibilityEvent
                .obtain(AccessibilityEvent.TYPE_NOTIFICATION_STATE_CHANGED);
        AccessibilityRecordCompat arc = AccessibilityEventCompat.asRecord(event);
        arc.setSource(view);
        event.setClassName(view.getClass().getName());
        event.setPackageName(view.getContext().getPackageName());
        event.setEnabled(view.isEnabled());
        event.getText().add(announcement);
        am.sendAccessibilityEvent(event);
    }
}

---

From source file:com.prashant.custom.widget.crouton.Manager.java

/**
 * Generates and dispatches an SDK-specific spoken announcement.
 * <p>//from w  w w .jav a 2 s  . c o  m
 * For backwards compatibility, we're constructing an event from scratch
 * using the appropriate event type. If your application only targets SDK
 * 16+, you can just call View.announceForAccessibility(CharSequence).
 * </p>
 * <p/>
 * note: AccessibilityManager is only available from API lvl 4.
 * <p/>
 * Adapted from https://http://eyes-free.googlecode.com/files/accessibility_codelab_demos_v2_src.zip
 * via https://github.com/coreform/android-formidable-validation
 *
 * @param context
 *   Used to get {@link AccessibilityManager}
 * @param text
 *   The text to announce.
 */
public static void announceForAccessibilityCompat(Context context, CharSequence text) {
    if (Build.VERSION.SDK_INT >= 4) {
        AccessibilityManager accessibilityManager = (AccessibilityManager) context
                .getSystemService(Context.ACCESSIBILITY_SERVICE);
        if (!accessibilityManager.isEnabled()) {
            return;
        }

        final int eventType;
        eventType = AccessibilityEvent.TYPE_VIEW_FOCUSED;

        // Construct an accessibility event with the minimum recommended
        // attributes. An event without a class name or package may be dropped.
        final AccessibilityEvent event = AccessibilityEvent.obtain(eventType);
        event.getText().add(text);
        event.setClassName(Manager.class.getName());
        event.setPackageName(context.getPackageName());

        // Sends the event directly through the accessibility manager. If your
        // application only targets SDK 14+, you should just call
        // getParent().requestSendAccessibilityEvent(this, event);
        accessibilityManager.sendAccessibilityEvent(event);
    }
}

---

From source file:com.elephant.widget.crouton.Manager.java

/**
 * Generates and dispatches an SDK-specific spoken announcement.
 * <p>/*from  w ww .jav a2 s .  c o m*/
 * For backwards compatibility, we're constructing an event from scratch
 * using the appropriate event type. If your application only targets SDK
 * 16+, you can just call View.announceForAccessibility(CharSequence).
 * </p>
 * <p/>
 * note: AccessibilityManager is only available from API lvl 4.
 * <p/>
 * Adapted from https://http://eyes-free.googlecode.com/files/
 * accessibility_codelab_demos_v2_src.zip via
 * https://github.com/coreform/android-formidable-validation
 * 
 * @param context
 *            Used to get {@link AccessibilityManager}
 * @param text
 *            The text to announce.
 */
public static void announceForAccessibilityCompat(Context context, CharSequence text) {
    if (Build.VERSION.SDK_INT >= 4) {
        AccessibilityManager accessibilityManager = (AccessibilityManager) context
                .getSystemService(Context.ACCESSIBILITY_SERVICE);
        if (!accessibilityManager.isEnabled()) {
            return;
        }

        // Prior to SDK 16, announcements could only be made through FOCUSED
        // events. Jelly Bean (SDK 16) added support for speaking text
        // verbatim
        // using the ANNOUNCEMENT event type.
        final int eventType;
        if (Build.VERSION.SDK_INT < 16) {
            eventType = AccessibilityEvent.TYPE_VIEW_FOCUSED;
        } else {
            eventType = AccessibilityEventCompat.TYPE_ANNOUNCEMENT;
        }

        // Construct an accessibility event with the minimum recommended
        // attributes. An event without a class name or package may be
        // dropped.
        final AccessibilityEvent event = AccessibilityEvent.obtain(eventType);
        event.getText().add(text);
        event.setClassName(Manager.class.getName());
        event.setPackageName(context.getPackageName());

        // Sends the event directly through the accessibility manager. If
        // your
        // application only targets SDK 14+, you should just call
        // getParent().requestSendAccessibilityEvent(this, event);
        accessibilityManager.sendAccessibilityEvent(event);
    }
}

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