Determines if two views intersect in the window. - Android User Interface

Android examples for User Interface:View

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Description

Determines if two views intersect in the window.

Demo Code

/*// w  ww  . j a  va 2 s.  c  om
 * Copyright 2015 Google Inc.
 *
 * 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.
 */
import android.graphics.Rect;
import android.view.View;

public class Main {
  /**
   * Determines if two views intersect in the window.
   */
  public static boolean viewsIntersect(View view1, View view2) {
    final int[] view1Loc = new int[2];
    view1.getLocationOnScreen(view1Loc);
    final Rect view1Rect = new Rect(view1Loc[0], view1Loc[1], view1Loc[0]
        + view1.getWidth(), view1Loc[1] + view1.getHeight());
    int[] view2Loc = new int[2];
    view2.getLocationOnScreen(view2Loc);
    final Rect view2Rect = new Rect(view2Loc[0], view2Loc[1], view2Loc[0]
        + view2.getWidth(), view2Loc[1] + view2.getHeight());
    return view1Rect.intersect(view2Rect);
  }
}

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