com.facebook.react.uimanager.MeasureSpecAssertions.java Source code

Introduction

Here is the source code for com.facebook.react.uimanager.MeasureSpecAssertions.java

Source

/*
 * Copyright (c) Facebook, Inc. and its affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */

package com.facebook.react.uimanager;

import android.view.View;

/** Shared utility for asserting on MeasureSpecs. */
public class MeasureSpecAssertions {

    public static final void assertExplicitMeasureSpec(int widthMeasureSpec, int heightMeasureSpec) {
        int widthMode = View.MeasureSpec.getMode(widthMeasureSpec);
        int heightMode = View.MeasureSpec.getMode(heightMeasureSpec);

        if (widthMode == View.MeasureSpec.UNSPECIFIED || heightMode == View.MeasureSpec.UNSPECIFIED) {
            throw new IllegalStateException(
                    "A catalyst view must have an explicit width and height given to it. This should "
                            + "normally happen as part of the standard catalyst UI framework.");
        }
    }
}