Example usage for android.content Context ACCESSIBILITY_SERVICE

Introduction

In this page you can find the example usage for android.content Context ACCESSIBILITY_SERVICE.

Prototype

String ACCESSIBILITY_SERVICE

To view the source code for android.content Context ACCESSIBILITY_SERVICE.

Click Source Link

Document

Use with #getSystemService(String) to retrieve a android.view.accessibility.AccessibilityManager for giving the user feedback for UI events through the registered event listeners.

Usage

From source file:com.llf.android.launcher3.Folder.java

private void sendCustomAccessibilityEvent(int type, String text) {
    AccessibilityManager accessibilityManager = (AccessibilityManager) getContext()
            .getSystemService(Context.ACCESSIBILITY_SERVICE);
    if (accessibilityManager.isEnabled()) {
        AccessibilityEvent event = AccessibilityEvent.obtain(type);
        // XXX onInitializeAccessibilityEvent(event);
        event.getText().add(text);// w  w  w  .j  a  v a  2 s  .com
        accessibilityManager.sendAccessibilityEvent(event);
    }
}

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From source file:android.support.v7.widget.RecyclerViewEx.java

public RecyclerViewEx(Context context, AttributeSet attrs, int defStyle) {
    super(context, attrs, defStyle);

    final int version = Build.VERSION.SDK_INT;
    mPostUpdatesOnAnimation = version >= 16;

    final ViewConfiguration vc = ViewConfiguration.get(context);
    mTouchSlop = vc.getScaledTouchSlop();
    mMinFlingVelocity = vc.getScaledMinimumFlingVelocity();
    mMaxFlingVelocity = vc.getScaledMaximumFlingVelocity();
    setWillNotDraw(ViewCompat.getOverScrollMode(this) == ViewCompat.OVER_SCROLL_NEVER);

    mItemAnimator.setListener(mItemAnimatorListener);
    initAdapterManager();/*from   w ww  .  ja  v  a  2  s  . c o  m*/
    initChildrenHelper();
    // If not explicitly specified this view is important for accessibility.
    if (ViewCompat.getImportantForAccessibility(this) == ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_AUTO) {
        ViewCompat.setImportantForAccessibility(this, ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_YES);
    }
    mAccessibilityManager = (AccessibilityManager) getContext().getSystemService(Context.ACCESSIBILITY_SERVICE);
    setAccessibilityDelegateCompat(new RecyclerViewAccessibilityDelegateEx(this));
}

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From source file:com.android.contacts.activities.ContactDetailActivity.java

/**
 * Setup the activity title and subtitle with contact name and company.
 *///  w  ww.  j a  v  a2  s.  c  o  m
private void setupTitle() {
    CharSequence displayName = ContactDetailDisplayUtils.getDisplayName(this, mContactData);
    String company = ContactDetailDisplayUtils.getCompany(this, mContactData);

    ActionBar actionBar = getActionBar();
    actionBar.setTitle(displayName);
    actionBar.setSubtitle(company);

    final StringBuilder talkback = new StringBuilder();
    if (!TextUtils.isEmpty(displayName)) {
        talkback.append(displayName);
    }
    if (!TextUtils.isEmpty(company)) {
        if (talkback.length() != 0) {
            talkback.append(", ");
        }
        talkback.append(company);
    }

    if (talkback.length() != 0) {
        AccessibilityManager accessibilityManager = (AccessibilityManager) this
                .getSystemService(Context.ACCESSIBILITY_SERVICE);
        if (accessibilityManager.isEnabled()) {
            View decorView = getWindow().getDecorView();
            decorView.setContentDescription(talkback);
            decorView.sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED);
        }
    }
}

---

From source file:de.vanita5.twittnuker.util.Utils.java

public static void announceForAccessibilityCompat(final Context context, final View view,
        final CharSequence text, final Class<?> cls) {
    final AccessibilityManager accessibilityManager = (AccessibilityManager) context
            .getSystemService(Context.ACCESSIBILITY_SERVICE);
    if (!accessibilityManager.isEnabled())
        return;//from w w w  . j  a va2  s . c  o m
    // 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 < Build.VERSION_CODES.JELLY_BEAN) {
        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(cls.getName());
    event.setPackageName(context.getPackageName());
    event.setSource(view);

    // 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.hippo.widget.lockpattern.LockPatternView.java

@Override
public boolean onHoverEvent(@NonNull MotionEvent event) {
    AccessibilityManager accessibilityManager = (AccessibilityManager) getContext()
            .getSystemService(Context.ACCESSIBILITY_SERVICE);
    if (accessibilityManager.isTouchExplorationEnabled()) {
        final int action = event.getAction();
        switch (action) {
        case MotionEvent.ACTION_HOVER_ENTER:
            event.setAction(MotionEvent.ACTION_DOWN);
            break;
        case MotionEvent.ACTION_HOVER_MOVE:
            event.setAction(MotionEvent.ACTION_MOVE);
            break;
        case MotionEvent.ACTION_HOVER_EXIT:
            event.setAction(MotionEvent.ACTION_UP);
            break;
        }// ww w .ja va 2s .c o m
        onTouchEvent(event);
        event.setAction(action);
    }
    return super.onHoverEvent(event);
}

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From source file:cc.flydev.launcher.Page.java

private void sendScrollAccessibilityEvent() {
    AccessibilityManager am = (AccessibilityManager) getContext()
            .getSystemService(Context.ACCESSIBILITY_SERVICE);
    if (am.isEnabled()) {
        AccessibilityEvent ev = AccessibilityEvent.obtain(AccessibilityEvent.TYPE_VIEW_SCROLLED);
        ev.setItemCount(getChildCount());
        ev.setFromIndex(mCurrentPage);// ww w  .ja v  a  2s  .c  o  m

        final int action;
        if (getNextPage() >= mCurrentPage) {
            action = AccessibilityNodeInfo.ACTION_SCROLL_FORWARD;
        } else {
            action = AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD;
        }

        ev.setAction(action);
        sendAccessibilityEventUnchecked(ev);
    }
}

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From source file:org.telegram.android.support.widget.RecyclerView.java

public RecyclerView(Context context, @Nullable AttributeSet attrs, int defStyle) {
    super(context, attrs, defStyle);
    setFocusableInTouchMode(true);//from   www .j a  va  2s. co m
    final int version = Build.VERSION.SDK_INT;
    mPostUpdatesOnAnimation = version >= 16;

    final ViewConfiguration vc = ViewConfiguration.get(context);
    mTouchSlop = vc.getScaledTouchSlop();
    mMinFlingVelocity = vc.getScaledMinimumFlingVelocity();
    mMaxFlingVelocity = vc.getScaledMaximumFlingVelocity();
    setWillNotDraw(ViewCompat.getOverScrollMode(this) == ViewCompat.OVER_SCROLL_NEVER);

    mItemAnimator.setListener(mItemAnimatorListener);
    initAdapterManager();
    initChildrenHelper();
    // If not explicitly specified this view is important for accessibility.
    if (ViewCompat.getImportantForAccessibility(this) == ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_AUTO) {
        ViewCompat.setImportantForAccessibility(this, ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_YES);
    }
    mAccessibilityManager = (AccessibilityManager) getContext().getSystemService(Context.ACCESSIBILITY_SERVICE);
    setAccessibilityDelegateCompat(new RecyclerViewAccessibilityDelegate(this));
}

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From source file:ngo.music.soundcloudplayer.controller.SongController.java

/**
 * get stack of songs played/*from   w  w w. j av a 2s  .  co m*/
 * 
 * @return
 */
public ArrayList<Object[]> getSongsPlayed() {
    File file = new File(MusicPlayerService.getInstance().getApplicationContext()
            .getExternalFilesDir(Context.ACCESSIBILITY_SERVICE), filename);
    if (!file.exists()) {
        try {
            file.createNewFile();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }

    ArrayList<Object[]> songs = new ArrayList<Object[]>();

    try {
        FileInputStream fileReader = new FileInputStream(file);
        JsonReader reader = new JsonReader(new InputStreamReader(fileReader));

        String id = null;
        reader.beginArray();

        while (reader.hasNext()) {
            reader.beginObject();

            while (reader.hasNext()) {
                Object[] object = new Object[2];
                id = reader.nextName();
                object[0] = getSong(id);
                object[1] = Integer.valueOf(reader.nextInt());
                if (object[0] != null) {
                    songs.add(object);
                }
            }

            reader.endObject();
        }

        reader.endArray();
        reader.close();
    } catch (Exception e) {
        Log.e("get songPlayed", e.toString());
        return songs;
    }
    return songs;
}

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From source file:com.android.leanlauncher.Workspace.java

protected void onResume() {
    AccessibilityManager am = (AccessibilityManager) getContext()
            .getSystemService(Context.ACCESSIBILITY_SERVICE);
    sAccessibilityEnabled = am.isEnabled();
}

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From source file:org.nekC.android.support.widget.RecyclerView.java

public RecyclerView(Context context, @Nullable AttributeSet attrs, int defStyle) {
    super(context, attrs, defStyle);
    setFocusableInTouchMode(true);/*from  www . j  a  v  a 2  s . c  o  m*/
    final int version = Build.VERSION.SDK_INT;
    mPostUpdatesOnAnimation = version >= 16;

    final ViewConfiguration vc = ViewConfiguration.get(context);
    mTouchSlop = vc.getScaledTouchSlop();
    mMinFlingVelocity = vc.getScaledMinimumFlingVelocity();
    mMaxFlingVelocity = vc.getScaledMaximumFlingVelocity();
    setWillNotDraw(ViewCompat.getOverScrollMode(this) == ViewCompat.OVER_SCROLL_NEVER);

    mItemAnimator.setListener(mItemAnimatorListener);
    initAdapterManager();
    initChildrenHelper();
    // If not explicitly specified this view is important for accessibility.
    if (ViewCompat.getImportantForAccessibility(this) == ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_AUTO) {
        ViewCompat.setImportantForAccessibility(this, ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_YES);
    }
    mAccessibilityManager = (AccessibilityManager) getContext().getSystemService(Context.ACCESSIBILITY_SERVICE);
    setAccessibilityDelegateCompat(new RecyclerViewAccessibilityDelegate(this));
    // Create the layoutManager if specified.

    mScrollingChildHelper = new NestedScrollingChildHelper(this);
    setNestedScrollingEnabled(true);
}

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