Example usage for android.view.accessibility AccessibilityManager isEnabled

Introduction

In this page you can find the example usage for android.view.accessibility AccessibilityManager isEnabled.

Prototype

public boolean isEnabled() 

Source Link

Document

Returns if the accessibility in the system is enabled.

Usage

From source file:com.klinker.deskclock.widget.multiwaveview.GlowPadView.java

private void announceTargets() {
    StringBuilder utterance = new StringBuilder();
    final int targetCount = mTargetDrawables.size();
    for (int i = 0; i < targetCount; i++) {
        String targetDescription = getTargetDescription(i);
        String directionDescription = getDirectionDescription(i);
        if (!TextUtils.isEmpty(targetDescription) && !TextUtils.isEmpty(directionDescription)) {
            String text = String.format(directionDescription, targetDescription);
            utterance.append(text);//from w  w w  . j  a v  a 2s .  co  m
        }
    }
    if (utterance.length() > 0) {
        final AccessibilityManager accessibilityManager = (AccessibilityManager) getContext()
                .getSystemService(Context.ACCESSIBILITY_SERVICE);
        if (accessibilityManager.isEnabled()) {
            if (Build.VERSION.SDK_INT >= 16) {
                announceForAccessibility(utterance.toString());
            } else {
                AccessibilityEvent acc_event = AccessibilityEvent
                        .obtain(AccessibilityEvent.TYPE_NOTIFICATION_STATE_CHANGED);
                AccessibilityRecordCompat arc = new AccessibilityRecordCompat(acc_event);
                arc.setSource(this);
                acc_event.setClassName(this.getClass().getName());
                acc_event.setPackageName(this.getContext().getPackageName());
                acc_event.setEnabled(this.isEnabled());
                acc_event.getText().add(utterance.toString());
                accessibilityManager.sendAccessibilityEvent(acc_event);
            }
        }
    }
}

---

From source file:com.klinker.deskclock.widget.multiwaveview.GlowPadView.java

private void switchToState(int state, float x, float y) {
    switch (state) {
    case STATE_IDLE:
        deactivateTargets();/*from  ww w.  j  av a 2  s . com*/
        hideGlow(0, 0, 0.0f, null);
        startBackgroundAnimation(0, 0.0f);
        mHandleDrawable.setState(TargetDrawable.STATE_INACTIVE);
        mHandleDrawable.setAlpha(1.0f);
        break;

    case STATE_START:
        startBackgroundAnimation(0, 0.0f);
        break;

    case STATE_FIRST_TOUCH:
        mHandleDrawable.setAlpha(0.0f);
        deactivateTargets();
        showTargets(true);
        startBackgroundAnimation(INITIAL_SHOW_HANDLE_DURATION, 1.0f);
        setGrabbedState(OnTriggerListener.CENTER_HANDLE);

        final AccessibilityManager accessibilityManager = (AccessibilityManager) getContext()
                .getSystemService(Context.ACCESSIBILITY_SERVICE);
        if (accessibilityManager.isEnabled()) {
            announceTargets();
        }
        break;

    case STATE_TRACKING:
        mHandleDrawable.setAlpha(0.0f);
        showGlow(REVEAL_GLOW_DURATION, REVEAL_GLOW_DELAY, 1.0f, null);
        break;

    case STATE_SNAP:
        // TODO: Add transition states (see list_selector_background_transition.xml)
        mHandleDrawable.setAlpha(0.0f);
        showGlow(REVEAL_GLOW_DURATION, REVEAL_GLOW_DELAY, 0.0f, null);
        break;

    case STATE_FINISH:
        doFinish();
        break;
    }
}

---

From source file:com.klinker.deskclock.widget.multiwaveview.GlowPadView.java

private void handleMove(MotionEvent event) {
    int activeTarget = -1;
    final int historySize = event.getHistorySize();
    ArrayList<TargetDrawable> targets = mTargetDrawables;
    int ntargets = targets.size();
    float x = 0.0f;
    float y = 0.0f;
    int actionIndex = event.findPointerIndex(mPointerId);

    if (actionIndex == -1) {
        return; // no data for this pointer
    }//from  w w  w .  ja  va2  s. c  om

    for (int k = 0; k < historySize + 1; k++) {
        float eventX = k < historySize ? event.getHistoricalX(actionIndex, k) : event.getX(actionIndex);
        float eventY = k < historySize ? event.getHistoricalY(actionIndex, k) : event.getY(actionIndex);
        // tx and ty are relative to wave center
        float tx = eventX - mWaveCenterX;
        float ty = eventY - mWaveCenterY;
        float touchRadius = (float) Math.sqrt(dist2(tx, ty));
        final float scale = touchRadius > mOuterRadius ? mOuterRadius / touchRadius : 1.0f;
        float limitX = tx * scale;
        float limitY = ty * scale;
        double angleRad = Math.atan2(-ty, tx);

        if (!mDragging) {
            trySwitchToFirstTouchState(eventX, eventY);
        }

        if (mDragging) {
            // For multiple targets, snap to the one that matches
            final float snapRadius = mOuterRadius - mSnapMargin;
            final float snapDistance2 = snapRadius * snapRadius;
            // Find first target in range
            for (int i = 0; i < ntargets; i++) {
                TargetDrawable target = targets.get(i);

                double targetMinRad = (i - 0.5) * 2 * Math.PI / ntargets;
                double targetMaxRad = (i + 0.5) * 2 * Math.PI / ntargets;
                if (target.isEnabled()) {
                    boolean angleMatches = (angleRad > targetMinRad && angleRad <= targetMaxRad)
                            || (angleRad + 2 * Math.PI > targetMinRad
                                    && angleRad + 2 * Math.PI <= targetMaxRad);
                    if (angleMatches && (dist2(tx, ty) > snapDistance2)) {
                        activeTarget = i;
                    }
                }
            }
        }
        x = limitX;
        y = limitY;
    }

    if (!mDragging) {
        return;
    }

    if (activeTarget != -1) {
        switchToState(STATE_SNAP, x, y);
        updateGlowPosition(x, y);
    } else {
        switchToState(STATE_TRACKING, x, y);
        updateGlowPosition(x, y);
    }

    if (mActiveTarget != activeTarget) {
        // Defocus the old target
        if (mActiveTarget != -1) {
            TargetDrawable target = targets.get(mActiveTarget);
            target.setState(TargetDrawable.STATE_INACTIVE);
        }
        // Focus the new target
        if (activeTarget != -1) {
            TargetDrawable target = targets.get(activeTarget);
            target.setState(TargetDrawable.STATE_FOCUSED);
            final AccessibilityManager accessibilityManager = (AccessibilityManager) getContext()
                    .getSystemService(Context.ACCESSIBILITY_SERVICE);
            if (accessibilityManager.isEnabled()) {
                String targetContentDescription = getTargetDescription(activeTarget);
                if (Build.VERSION.SDK_INT >= 16) {
                    announceForAccessibility(targetContentDescription);
                } else {
                    AccessibilityEvent acc_event = AccessibilityEvent
                            .obtain(AccessibilityEvent.TYPE_NOTIFICATION_STATE_CHANGED);
                    AccessibilityRecordCompat arc = new AccessibilityRecordCompat(acc_event);
                    arc.setSource(this);
                    acc_event.setClassName(this.getClass().getName());
                    acc_event.setPackageName(this.getContext().getPackageName());
                    acc_event.setEnabled(this.isEnabled());
                    acc_event.getText().add(targetContentDescription);
                    accessibilityManager.sendAccessibilityEvent(acc_event);
                }
            }
        }
    }
    mActiveTarget = activeTarget;
}

---

From source file:com.android.incallui.widget.multiwaveview.GlowPadView.java

private float getScaledGlowRadiusSquared() {
    final float scaledTapRadius;
    final AccessibilityManager accessibilityManager = (AccessibilityManager) getContext()
            .getSystemService(Context.ACCESSIBILITY_SERVICE);
    if (accessibilityManager.isEnabled()) {
        scaledTapRadius = TAP_RADIUS_SCALE_ACCESSIBILITY_ENABLED * mGlowRadius;
    } else {/*from w  ww .  java2s.  c  om*/
        scaledTapRadius = mGlowRadius;
    }
    return square(scaledTapRadius);
}

---

From source file:com.android.incallui.widget.multiwaveview.GlowPadView.java

private void switchToState(int state, float x, float y) {
    switch (state) {
    case STATE_IDLE:
        deactivateTargets();/*from   w  ww.j  av  a  2  s .c o m*/
        hideGlow(0, 0, 0.0f, null);
        startBackgroundAnimation(0, 0.0f);
        mHandleDrawable.setState(TargetDrawable.STATE_INACTIVE);
        mHandleDrawable.setAlpha(1.0f);
        break;

    case STATE_START:
        startBackgroundAnimation(0, 0.0f);
        break;

    case STATE_FIRST_TOUCH:
        mHandleDrawable.setAlpha(0.0f);
        deactivateTargets();
        showTargets(true);
        startBackgroundAnimation(INITIAL_SHOW_HANDLE_DURATION, 1.0f);
        setGrabbedState(OnTriggerListener.CENTER_HANDLE);

        final AccessibilityManager accessibilityManager = (AccessibilityManager) getContext()
                .getSystemService(Context.ACCESSIBILITY_SERVICE);
        if (accessibilityManager.isEnabled()) {
            announceTargets();
        }
        break;

    case STATE_TRACKING:
        mHandleDrawable.setAlpha(0.0f);
        break;

    case STATE_SNAP:
        // TODO: Add transition states (see list_selector_background_transition.xml)
        mHandleDrawable.setAlpha(0.0f);
        showGlow(REVEAL_GLOW_DURATION, REVEAL_GLOW_DELAY, 0.0f, null);
        break;

    case STATE_FINISH:
        doFinish();
        break;
    }
}

---

From source file:com.android.incallui.CallCardFragment.java

@Override
public void sendAccessibilityAnnouncement() {
    mHandler.postDelayed(new Runnable() {
        @Override/*from  w ww.  j  ava  2s .  co m*/
        public void run() {
            if (getView() != null && getView().getParent() != null && isAccessibilityEnabled(getContext())) {
                AccessibilityEvent event = AccessibilityEvent.obtain(AccessibilityEvent.TYPE_ANNOUNCEMENT);
                dispatchPopulateAccessibilityEvent(event);
                getView().getParent().requestSendAccessibilityEvent(getView(), event);
            }
        }

        private boolean isAccessibilityEnabled(Context context) {
            AccessibilityManager accessibilityManager = (AccessibilityManager) context
                    .getSystemService(Context.ACCESSIBILITY_SERVICE);
            return accessibilityManager != null && accessibilityManager.isEnabled();

        }
    }, ACCESSIBILITY_ANNOUNCEMENT_DELAY_MS);
}

---

From source file:com.android.incallui.widget.multiwaveview.GlowPadView.java

private void handleMove(MotionEvent event) {
    int activeTarget = -1;
    final int historySize = event.getHistorySize();
    ArrayList<TargetDrawable> targets = mTargetDrawables;
    int ntargets = targets.size();
    float x = 0.0f;
    float y = 0.0f;
    int actionIndex = event.findPointerIndex(mPointerId);

    if (actionIndex == -1) {
        return; // no data for this pointer
    }/*from   w  ww . j a va 2 s  .co  m*/

    for (int k = 0; k < historySize + 1; k++) {
        float eventX = k < historySize ? event.getHistoricalX(actionIndex, k) : event.getX(actionIndex);
        float eventY = k < historySize ? event.getHistoricalY(actionIndex, k) : event.getY(actionIndex);
        // tx and ty are relative to wave center
        float tx = eventX - mWaveCenterX;
        float ty = eventY - mWaveCenterY;
        float touchRadius = (float) Math.hypot(tx, ty);
        final float scale = touchRadius > mOuterRadius ? mOuterRadius / touchRadius : 1.0f;
        float limitX = tx * scale;
        float limitY = ty * scale;
        double angleRad = Math.atan2(-ty, tx);

        if (!mDragging) {
            trySwitchToFirstTouchState(eventX, eventY);
        }

        if (mDragging) {
            // For multiple targets, snap to the one that matches
            final float snapRadius = mRingScaleFactor * mOuterRadius - mSnapMargin;
            final float snapDistance2 = snapRadius * snapRadius;
            // Find first target in range
            for (int i = 0; i < ntargets; i++) {
                TargetDrawable target = targets.get(i);

                double targetMinRad = (i - 0.5) * 2 * Math.PI / ntargets;
                double targetMaxRad = (i + 0.5) * 2 * Math.PI / ntargets;
                if (target.isEnabled()) {
                    boolean angleMatches = (angleRad > targetMinRad && angleRad <= targetMaxRad)
                            || (angleRad + 2 * Math.PI > targetMinRad
                                    && angleRad + 2 * Math.PI <= targetMaxRad);
                    if (angleMatches && (dist2(tx, ty) > snapDistance2)) {
                        activeTarget = i;
                    }
                }
            }
        }
        x = limitX;
        y = limitY;
    }

    if (!mDragging) {
        return;
    }

    if (activeTarget != -1) {
        switchToState(STATE_SNAP, x, y);
        updateGlowPosition(x, y);
    } else {
        switchToState(STATE_TRACKING, x, y);
        updateGlowPosition(x, y);
    }

    if (mActiveTarget != activeTarget) {
        // Defocus the old target
        if (mActiveTarget != -1) {
            TargetDrawable target = targets.get(mActiveTarget);
            target.setState(TargetDrawable.STATE_INACTIVE);
        }
        // Focus the new target
        if (activeTarget != -1) {
            TargetDrawable target = targets.get(activeTarget);
            target.setState(TargetDrawable.STATE_FOCUSED);
            final AccessibilityManager accessibilityManager = (AccessibilityManager) getContext()
                    .getSystemService(Context.ACCESSIBILITY_SERVICE);
            if (accessibilityManager.isEnabled()) {
                String targetContentDescription = getTargetDescription(activeTarget);
                announceForAccessibility(targetContentDescription);
            }
        }
    }
    mActiveTarget = activeTarget;
}

---

From source file:com.android.calendar.event.EditEventView.java

private void sendAccessibilityEvent() {
    AccessibilityManager am = (AccessibilityManager) mActivity.getSystemService(Service.ACCESSIBILITY_SERVICE);
    if (!am.isEnabled() || mModel == null) {
        return;/*from w w  w  .j  av a  2 s  . co m*/
    }
    StringBuilder b = new StringBuilder();
    addFieldsRecursive(b, mView);
    CharSequence msg = b.toString();

    AccessibilityEvent event = AccessibilityEvent.obtain(AccessibilityEvent.TYPE_VIEW_FOCUSED);
    event.setClassName(getClass().getName());
    event.setPackageName(mActivity.getPackageName());
    event.getText().add(msg);
    event.setAddedCount(msg.length());

    am.sendAccessibilityEvent(event);
}

---

From source file:com.android.launcher2.PagedView.java

protected boolean computeScrollHelper() {
    if (mScroller.computeScrollOffset()) {
        // Don't bother scrolling if the page does not need to be moved
        if (getScrollX() != mScroller.getCurrX() || getScrollY() != mScroller.getCurrY()
                || mOverScrollX != mScroller.getCurrX()) {
            scrollTo(mScroller.getCurrX(), mScroller.getCurrY());
        }/*  ww w  .  j  a  va 2 s .  c o  m*/
        invalidate();
        return true;
    } else if (mNextPage != INVALID_PAGE) {
        mCurrentPage = Math.max(0, Math.min(mNextPage, getPageCount() - 1));
        mNextPage = INVALID_PAGE;
        notifyPageSwitchListener();

        // Load the associated pages if necessary
        if (mDeferLoadAssociatedPagesUntilScrollCompletes) {
            loadAssociatedPages(mCurrentPage);
            mDeferLoadAssociatedPagesUntilScrollCompletes = false;
        }

        // We don't want to trigger a page end moving unless the page has settled
        // and the user has stopped scrolling
        if (mTouchState == TOUCH_STATE_REST) {
            pageEndMoving();
        }

        // Notify the user when the page changes
        AccessibilityManager accessibilityManager = (AccessibilityManager) getContext()
                .getSystemService(Context.ACCESSIBILITY_SERVICE);
        if (accessibilityManager.isEnabled()) {
            AccessibilityEvent ev = AccessibilityEvent.obtain(AccessibilityEvent.TYPE_VIEW_SCROLLED);
            ev.getText().add(getCurrentPageDescription());
            sendAccessibilityEventUnchecked(ev);
        }
        return true;
    }
    return false;
}

---

From source file:com.android.calendar.EventInfoFragment.java

private void sendAccessibilityEvent() {
    AccessibilityManager am = (AccessibilityManager) getActivity()
            .getSystemService(Service.ACCESSIBILITY_SERVICE);
    if (!am.isEnabled()) {
        return;/* w w  w  .j a v a 2  s  . c  o m*/
    }

    AccessibilityEvent event = AccessibilityEvent.obtain(AccessibilityEvent.TYPE_VIEW_FOCUSED);
    event.setClassName(EventInfoFragment.class.getName());
    event.setPackageName(getActivity().getPackageName());
    List<CharSequence> text = event.getText();

    addFieldToAccessibilityEvent(text, mTitle, null);
    addFieldToAccessibilityEvent(text, mWhenDateTime, null);
    addFieldToAccessibilityEvent(text, mWhere, null);
    addFieldToAccessibilityEvent(text, null, mDesc);

    if (mResponseRadioGroup.getVisibility() == View.VISIBLE) {
        int id = mResponseRadioGroup.getCheckedRadioButtonId();
        if (id != View.NO_ID) {
            text.add(((TextView) getView().findViewById(R.id.response_label)).getText());
            text.add((((RadioButton) (mResponseRadioGroup.findViewById(id))).getText() + PERIOD_SPACE));
        }
    }

    am.sendAccessibilityEvent(event);
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• »