public interface

Helper

 androidx.constraintlayout.core.widgets.Helper

Subclasses:

Flow, VirtualLayout, Barrier, HelperWidget, Placeholder

Gradle dependencies

compile group: 'androidx.constraintlayout', name: 'constraintlayout-core', version: '1.1.0-alpha01'

  • groupId: androidx.constraintlayout
  • artifactId: constraintlayout-core
  • version: 1.1.0-alpha01

Artifact androidx.constraintlayout:constraintlayout-core:1.1.0-alpha01 it located at Google repository (https://maven.google.com/)

Overview

interface to virtual objects

Summary

Methods
public voidadd(ConstraintWidget widget)

public voidremoveAllIds()

public voidupdateConstraints(ConstraintWidgetContainer container)

Methods

public void updateConstraints(ConstraintWidgetContainer container)

public void add(ConstraintWidget widget)

public void removeAllIds()

Source

/*
 * Copyright (C) 2018 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package androidx.constraintlayout.core.widgets;

/**
 * interface to virtual objects
 */

public interface Helper {
    /**
     * @TODO: add description
     */
    void updateConstraints(ConstraintWidgetContainer container);

    /**
     * @TODO: add description
     */
    void add(ConstraintWidget widget);

    /**
     * @TODO: add description
     */
    void removeAllIds();
}