Merge "Hide clear-all button from accessibility" into ub-launcher3-edmonton

    android:textColor="?attr/workspaceTextColor"

    android:visibility="invisible"

    android:textSize="14sp"

    android:importantForAccessibility="no"

/>

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import android.os.Bundle;

import android.support.annotation.Nullable;

import android.util.AttributeSet;

import android.view.accessibility.AccessibilityNodeInfo;

import android.widget.Button;

public class ClearAllButton extends Button {

        mRecentsView = recentsView;

    }

    @Override

    public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) {

        super.onInitializeAccessibilityNodeInfo(info);

        // Should be visible to accessibility even when completely covered by the task.

        // Otherwise, we won't be able to scroll to it.

        info.setVisibleToUser(true);

    }

    @Override

    public boolean performAccessibilityAction(int action, Bundle arguments) {

        final boolean res = super.performAccessibilityAction(action, arguments);

    private void onChildViewsChanged() {

        final int childCount = getChildCount();

        mClearAllButton.setAccessibilityTraversalAfter(

                childCount == 0 ? NO_ID : getChildAt(childCount - 1).getId());

        mClearAllButton.setVisibility(childCount == 0 ? INVISIBLE : VISIBLE);

    }