Example usage for android.support.v4.view ViewCompat setAccessibilityDelegate

List of usage examples for android.support.v4.view ViewCompat setAccessibilityDelegate

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Introduction

In this page you can find the example usage for android.support.v4.view ViewCompat setAccessibilityDelegate.

Prototype

public static void setAccessibilityDelegate(View v, AccessibilityDelegateCompat delegate)

Source Link

Document

Sets a delegate for implementing accessibility support via compositon as opposed to inheritance.

Usage

From source file:com.zwj.customview.gesturelock.PatternView.java

public PatternView(Context context, AttributeSet attrs, int defStyleAttr) {
    super(context, attrs, defStyleAttr);

    TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.PatternView, defStyleAttr, 0);

    mRowCount = a.getInteger(R.styleable.PatternView_pl_rowCount, PATTERN_SIZE_DEFAULT);
    mColumnCount = a.getInteger(R.styleable.PatternView_pl_columnCount, PATTERN_SIZE_DEFAULT);

    final String aspect = a.getString(R.styleable.PatternView_pl_aspect);

    if ("square".equals(aspect)) {
        mAspect = ASPECT_SQUARE;//from w  w w .jav a 2 s.  c  o  m
    } else if ("lock_width".equals(aspect)) {
        mAspect = ASPECT_LOCK_WIDTH;
    } else if ("lock_height".equals(aspect)) {
        mAspect = ASPECT_LOCK_HEIGHT;
    } else {
        mAspect = ASPECT_SQUARE;
    }

    setClickable(true);

    mPathPaint.setAntiAlias(true);
    mPathPaint.setDither(true);

    // Removed since every developer should set their own patternViewStyle.
    //mRegularColor = context.getColor(R.color.lock_pattern_view_regular_color);
    //mErrorColor = context.getColor(R.color.lock_pattern_view_error_color);
    //mSuccessColor = context.getColor(R.color.lock_pattern_view_success_color);
    mRegularColor = a.getColor(R.styleable.PatternView_pl_regularColor, mRegularColor);
    mErrorColor = a.getColor(R.styleable.PatternView_pl_errorColor, mErrorColor);
    mSuccessColor = a.getColor(R.styleable.PatternView_pl_successColor, mSuccessColor);

    // 
    int excircleColor = a.getColor(R.styleable.PatternView_excircle_color, Color.WHITE);

    // ?
    mExcircleRadius = a.getDimensionPixelSize(R.styleable.PatternView_excircle_radius,
            getResources().getDimensionPixelSize(R.dimen.pl_pattern_excircle_radius));

    // TODO ?????View????
    mDotRadius = a.getDimensionPixelSize(R.styleable.PatternView_dot_radius,
            getResources().getDimensionPixelSize(R.dimen.pl_pattern_dot_size));

    mDotRadiusActivated = a.getDimensionPixelSize(R.styleable.PatternView_dot_activated_radius,
            getResources().getDimensionPixelSize(R.dimen.pl_pattern_dot_size_activated));

    a.recycle();

    mPathPaint.setStyle(Paint.Style.STROKE);
    mPathPaint.setStrokeJoin(Paint.Join.ROUND);
    mPathPaint.setStrokeCap(Paint.Cap.ROUND);

    mPathWidth = getResources().getDimensionPixelSize(R.dimen.pl_pattern_dot_line_width);
    mPathPaint.setStrokeWidth(mPathWidth);

    mPaint.setAntiAlias(true);
    mPaint.setDither(true);

    mPaintExcircle.setAntiAlias(true);
    mPaintExcircle.setDither(true);
    mPaintExcircle.setColor(excircleColor);

    updatePatternSize();

    mFastOutSlowInInterpolator = new FastOutSlowInInterpolator();
    mLinearOutSlowInInterpolator = new LinearOutSlowInInterpolator();
    mExploreByTouchHelper = new PatternExploreByTouchHelper(this);
    ViewCompat.setAccessibilityDelegate(this, mExploreByTouchHelper);
    mAccessibilityManager = (AccessibilityManager) getContext().getSystemService(Context.ACCESSIBILITY_SERVICE);
    mAudioManager = (AudioManager) getContext().getSystemService(Context.AUDIO_SERVICE);
}

From source file:ca.co.rufus.androidboilerplate.ui.DebugDrawerLayout.java

public DebugDrawerLayout(Context context, AttributeSet attrs, int defStyle) {
    super(context, attrs, defStyle);
    setDescendantFocusability(ViewGroup.FOCUS_AFTER_DESCENDANTS);
    final float density = getResources().getDisplayMetrics().density;
    mMinDrawerMargin = (int) (MIN_DRAWER_MARGIN * density + 0.5f);
    final float minVel = MIN_FLING_VELOCITY * density;

    mLeftCallback = new ViewDragCallback(Gravity.LEFT);
    mRightCallback = new ViewDragCallback(Gravity.RIGHT);

    mLeftDragger = ViewDragHelper.create(this, TOUCH_SLOP_SENSITIVITY, mLeftCallback);
    mLeftDragger.setEdgeTrackingEnabled(ViewDragHelper.EDGE_LEFT);
    mLeftDragger.setMinVelocity(minVel);
    mLeftCallback.setDragger(mLeftDragger);

    mRightDragger = ViewDragHelper.create(this, TOUCH_SLOP_SENSITIVITY, mRightCallback);
    mRightDragger.setEdgeTrackingEnabled(ViewDragHelper.EDGE_RIGHT);
    mRightDragger.setMinVelocity(minVel);
    mRightCallback.setDragger(mRightDragger);

    // So that we can catch the back button
    setFocusableInTouchMode(true);//from   w w  w. j  a  va 2 s  .c o  m

    ViewCompat.setImportantForAccessibility(this, ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_YES);

    ViewCompat.setAccessibilityDelegate(this, new AccessibilityDelegate());
    ViewGroupCompat.setMotionEventSplittingEnabled(this, false);
    if (ViewCompat.getFitsSystemWindows(this)) {
        IMPL.configureApplyInsets(this);
        mStatusBarBackground = IMPL.getDefaultStatusBarBackground(context);
    }
}

From source file:com.king.view.superslidingpanelayout.SuperSlidingPaneLayout.java

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

    final float density = context.getResources().getDisplayMetrics().density;
    mOverhangSize = (int) (DEFAULT_OVERHANG_SIZE * density + 0.5f);

    final ViewConfiguration viewConfig = ViewConfiguration.get(context);

    mEdgeSlop = viewConfig.getScaledEdgeSlop();

    setWillNotDraw(false);/*from w ww  . j  a  va  2s.co m*/

    final TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.SuperSlidingPaneLayout);
    mMode = Mode.getFromInt(a.getInt(R.styleable.SuperSlidingPaneLayout_mode, 0));

    mIsCompatSliding = a.getBoolean(R.styleable.SuperSlidingPaneLayout_compat_sliding, false);

    a.recycle();

    ViewCompat.setAccessibilityDelegate(this, new AccessibilityDelegate());
    ViewCompat.setImportantForAccessibility(this, ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_YES);

    mDragHelper = ViewDragHelper.create(this, 0.5f, new DragHelperCallback());
    mDragHelper.setMinVelocity(MIN_FLING_VELOCITY * density);
}

From source file:com.mark.quick.ui.view.swipebacklayout.SwipeBackLayout.java

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

    final float density = context.getResources().getDisplayMetrics().density;

    // ========================  START ========================
    //        mOverhangSize = (int) (DEFAULT_OVERHANG_SIZE * density + 0.5f);
    mOverhangSize = 0;/* w ww.j  a  v a  2 s  .  c o  m*/
    // ========================  END ========================
    setWillNotDraw(false);
    ViewCompat.setAccessibilityDelegate(this, new AccessibilityDelegate());
    ViewCompat.setImportantForAccessibility(this, ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_YES);
    mDragHelper = ViewDragHelper.create(this, 0.5f, new DragHelperCallback());
    mDragHelper.setMinVelocity(MIN_FLING_VELOCITY * density);
}

From source file:de.andacaydin.bidirectionalviewpagerlibrary.BiDirectionalViewPager.java

void initViewPager() {
    setDescendantFocusability(FOCUS_AFTER_DESCENDANTS);
    setFocusable(true);/*from  ww w. j a va 2  s.  co m*/
    final Context context = getContext();
    final ViewConfiguration configuration = ViewConfiguration.get(context);
    mTouchSlop = ViewConfigurationCompat.getScaledPagingTouchSlop(configuration);
    mMinimumVelocity = configuration.getScaledMinimumFlingVelocity();
    mMaximumVelocity = configuration.getScaledMaximumFlingVelocity();
    mLeftEdge = new EdgeEffectCompat(context);
    mRightEdge = new EdgeEffectCompat(context);
    final float density = context.getResources().getDisplayMetrics().density;
    mFlingDistance = (int) (MIN_DISTANCE_FOR_FLING * density);
    mCloseEnough = (int) (CLOSE_ENOUGH * density);
    mDefaultGutterSize = (int) (DEFAULT_GUTTER_SIZE * density);
    ViewCompat.setAccessibilityDelegate(this, getAccessibilityDelegateCompat());
    if (ViewCompat.getImportantForAccessibility(this) == ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_AUTO) {
        ViewCompat.setImportantForAccessibility(this, ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_YES);
    }
    setWillNotDraw(false);
    mScroller = new Scroller(getContext());
    mTouchSlop = ViewConfigurationCompat.getScaledPagingTouchSlop(configuration);
    mMinimumVelocity = configuration.getScaledMinimumFlingVelocity();
    mMaximumVelocity = configuration.getScaledMaximumFlingVelocity();
}

From source file:com.gome.ecmall.custom.VerticalViewPager.java

void initViewPager() {
    setWillNotDraw(false);//  w  w w .ja  v  a2s . com
    setDescendantFocusability(FOCUS_AFTER_DESCENDANTS);
    setFocusable(true);
    final Context context = getContext();
    mScroller = new Scroller(context, sInterpolator);
    final ViewConfiguration configuration = ViewConfiguration.get(context);
    mTouchSlop = ViewConfigurationCompat.getScaledPagingTouchSlop(configuration);
    mMinimumVelocity = configuration.getScaledMinimumFlingVelocity();
    mMaximumVelocity = configuration.getScaledMaximumFlingVelocity();
    mTopEdge = new EdgeEffectCompat(context);
    mBottomEdge = new EdgeEffectCompat(context);

    final float density = MobileDeviceUtil.getInstance(context.getApplicationContext()).getScreenDensity();
    mFlingDistance = (int) (MIN_DISTANCE_FOR_FLING * density);
    mCloseEnough = (int) (CLOSE_ENOUGH * density);
    mDefaultGutterSize = (int) (DEFAULT_GUTTER_SIZE * density);

    ViewCompat.setAccessibilityDelegate(this, new MyAccessibilityDelegate());

    if (ViewCompat.getImportantForAccessibility(this) == ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_AUTO) {
        ViewCompat.setImportantForAccessibility(this, ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_YES);
    }
}

From source file:com.xiaosu.lib.base.widget.drawerLayout.DrawerLayout.java

public DrawerLayout(Context context, AttributeSet attrs, int defStyle) {
    super(context, attrs, defStyle);
    setDescendantFocusability(ViewGroup.FOCUS_AFTER_DESCENDANTS);
    final float density = getResources().getDisplayMetrics().density;
    mMinDrawerMargin = (int) (MIN_DRAWER_MARGIN * density + 0.5f);

    mTouchSlop = ViewConfiguration.get(context).getScaledTouchSlop();
    // So that we can catch the back button
    setFocusableInTouchMode(true);//ww w  .j  a v a  2  s . com

    ViewCompat.setImportantForAccessibility(this, ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_YES);

    ViewCompat.setAccessibilityDelegate(this, new AccessibilityDelegate());
    ViewGroupCompat.setMotionEventSplittingEnabled(this, false);

    mDrawerElevation = DRAWER_ELEVATION * density;

    mNonDrawerViews = new ArrayList<View>();

    mNestedScrollingParentHelper = new NestedScrollingParentHelper(this);
    mNestedScrollingChildHelper = new NestedScrollingChildHelper(this);
    mScroller = ScrollerCompat.create(context, sInterpolator);

    setNestedScrollingEnabled(true);
}

From source file:com.jackie.sample.custom_view.CustomViewPagerInternal.java

void initViewPager() {
    setWillNotDraw(false);/*from w w  w  .j  a va  2 s. c  om*/
    setDescendantFocusability(FOCUS_AFTER_DESCENDANTS);
    setFocusable(true);
    final Context context = getContext();
    mScroller = new Scroller(context, sInterpolator);
    final ViewConfiguration configuration = ViewConfiguration.get(context);
    mTouchSlop = ViewConfigurationCompat.getScaledPagingTouchSlop(configuration);
    mMinimumVelocity = configuration.getScaledMinimumFlingVelocity();
    mMaximumVelocity = configuration.getScaledMaximumFlingVelocity();
    mLeftEdge = new EdgeEffectCompat(context);
    mRightEdge = new EdgeEffectCompat(context);

    final float density = context.getResources().getDisplayMetrics().density;
    // mFlingDistance = (int) (MIN_DISTANCE_FOR_FLING * density) * 4;
    mFlingDistance = (int) (60 * density);
    mCloseEnough = (int) (CLOSE_ENOUGH * density);
    mDefaultGutterSize = (int) (DEFAULT_GUTTER_SIZE * density);

    ViewCompat.setAccessibilityDelegate(this, new MyAccessibilityDelegate());

    if (ViewCompat.getImportantForAccessibility(this) == ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_AUTO) {
        ViewCompat.setImportantForAccessibility(this, ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_YES);
    }
}

From source file:com.sanron.sunweather.view.v4.DrawerLayout.java

public DrawerLayout(Context context, AttributeSet attrs, int defStyle) {
    super(context, attrs, defStyle);
    setDescendantFocusability(ViewGroup.FOCUS_AFTER_DESCENDANTS);
    final float density = getResources().getDisplayMetrics().density;
    mMinDrawerMargin = (int) (MIN_DRAWER_MARGIN * density + 0.5f);
    final float minVel = MIN_FLING_VELOCITY * density;

    mLeftCallback = new ViewDragCallback(Gravity.LEFT);
    mRightCallback = new ViewDragCallback(Gravity.RIGHT);

    mLeftDragger = ViewDragHelper.create(this, TOUCH_SLOP_SENSITIVITY, mLeftCallback);
    mLeftDragger.setEdgeTrackingEnabled(ViewDragHelper.EDGE_LEFT);
    mLeftDragger.setMinVelocity(minVel);
    mLeftCallback.setDragger(mLeftDragger);

    mRightDragger = ViewDragHelper.create(this, TOUCH_SLOP_SENSITIVITY, mRightCallback);
    mRightDragger.setEdgeTrackingEnabled(ViewDragHelper.EDGE_RIGHT);
    mRightDragger.setMinVelocity(minVel);
    mRightCallback.setDragger(mRightDragger);

    // So that we can catch the back button
    setFocusableInTouchMode(true);//  w  ww  .  j av a  2  s. c  om

    ViewCompat.setImportantForAccessibility(this, ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_YES);

    ViewCompat.setAccessibilityDelegate(this, new AccessibilityDelegate());
    ViewGroupCompat.setMotionEventSplittingEnabled(this, false);
    if (ViewCompat.getFitsSystemWindows(this)) {
        IMPL.configureApplyInsets(this);
    }
}

From source file:com.android.launcher3.CellLayout.java

@TargetApi(Build.VERSION_CODES.LOLLIPOP)
public void enableAccessibleDrag(boolean enable, int dragType) {
    mUseTouchHelper = enable;//from w  ww.j  a  v a 2 s. c om
    if (!enable) {
        ViewCompat.setAccessibilityDelegate(this, null);
        setImportantForAccessibility(IMPORTANT_FOR_ACCESSIBILITY_NO);
        getShortcutsAndWidgets().setImportantForAccessibility(IMPORTANT_FOR_ACCESSIBILITY_NO);
        setOnClickListener(mLauncher);
    } else {
        if (dragType == WORKSPACE_ACCESSIBILITY_DRAG
                && !(mTouchHelper instanceof WorkspaceAccessibilityHelper)) {
            mTouchHelper = new WorkspaceAccessibilityHelper(this);
        } else if (dragType == FOLDER_ACCESSIBILITY_DRAG
                && !(mTouchHelper instanceof FolderAccessibilityHelper)) {
            mTouchHelper = new FolderAccessibilityHelper(this);
        }
        ViewCompat.setAccessibilityDelegate(this, mTouchHelper);
        setImportantForAccessibility(IMPORTANT_FOR_ACCESSIBILITY_YES);
        getShortcutsAndWidgets().setImportantForAccessibility(IMPORTANT_FOR_ACCESSIBILITY_YES);
        setOnClickListener(mTouchHelper);
    }

    // Invalidate the accessibility hierarchy
    if (getParent() != null) {
        getParent().notifySubtreeAccessibilityStateChanged(this, this,
                AccessibilityEvent.CONTENT_CHANGE_TYPE_SUBTREE);
    }
}