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 17 package 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 */ 22 public 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 */ addView(View view, ViewGroup.LayoutParams params)34 public void addView(View view, ViewGroup.LayoutParams params); updateViewLayout(View view, ViewGroup.LayoutParams params)35 public void updateViewLayout(View view, ViewGroup.LayoutParams params); removeView(View view)36 public void removeView(View view); 37 } 38