1/*
2 * Copyright (C) 2006 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package android.view;
18
19/** Interface to let you add and remove child views to an Activity. To get an instance
20  * of this class, call {@link android.content.Context#getSystemService(java.lang.String) Context.getSystemService()}.
21  */
22public interface ViewManager
23{
24    /**
25     * Assign the passed LayoutParams to the passed View and add the view to the window.
26     * <p>Throws {@link android.view.WindowManager.BadTokenException} for certain programming
27     * errors, such as adding a second view to a window without removing the first view.
28     * <p>Throws {@link android.view.WindowManager.InvalidDisplayException} if the window is on a
29     * secondary {@link Display} and the specified display can't be found
30     * (see {@link android.app.Presentation}).
31     * @param view The view to be added to this window.
32     * @param params The LayoutParams to assign to view.
33     */
34    public void addView(View view, ViewGroup.LayoutParams params);
35    public void updateViewLayout(View view, ViewGroup.LayoutParams params);
36    public void removeView(View view);
37}
38