CustomViewInflater.java revision ac5fe7c617c66850fff75a9fce9979c6e5674b0f 
1/*
2 * Copyright (C) 2017 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 androidx.appcompat.app.inflater;
18
19import android.content.Context;
20import androidx.annotation.NonNull;
21import androidx.annotation.Nullable;
22import androidx.appcompat.app.AppCompatViewInflater;
23import androidx.appcompat.widget.AppCompatButton;
24import androidx.appcompat.widget.AppCompatImageButton;
25import androidx.appcompat.widget.AppCompatTextView;
26import android.util.AttributeSet;
27import android.view.View;
28import android.widget.ToggleButton;
29
30/**
31 * Custom view inflater that takes over the inflation of a few widget types.
32 */
33public class CustomViewInflater extends AppCompatViewInflater {
34    public static class CustomTextView extends AppCompatTextView {
35        public CustomTextView(Context context) {
36            super(context);
37        }
38
39        public CustomTextView(Context context,
40                @Nullable AttributeSet attrs) {
41            super(context, attrs);
42        }
43
44        public CustomTextView(Context context,
45                @Nullable AttributeSet attrs, int defStyleAttr) {
46            super(context, attrs, defStyleAttr);
47        }
48    }
49
50    public static class CustomButton extends AppCompatButton {
51        public CustomButton(Context context) {
52            super(context);
53        }
54
55        public CustomButton(Context context, AttributeSet attrs) {
56            super(context, attrs);
57        }
58
59        public CustomButton(Context context, AttributeSet attrs, int defStyleAttr) {
60            super(context, attrs, defStyleAttr);
61        }
62    }
63
64    public static class CustomImageButton extends AppCompatImageButton {
65        public CustomImageButton(Context context) {
66            super(context);
67        }
68
69        public CustomImageButton(Context context, AttributeSet attrs) {
70            super(context, attrs);
71        }
72
73        public CustomImageButton(Context context, AttributeSet attrs, int defStyleAttr) {
74            super(context, attrs, defStyleAttr);
75        }
76    }
77
78    public static class CustomToggleButton extends ToggleButton {
79        public CustomToggleButton(Context context, AttributeSet attrs, int defStyleAttr,
80                int defStyleRes) {
81            super(context, attrs, defStyleAttr, defStyleRes);
82        }
83
84        public CustomToggleButton(Context context, AttributeSet attrs, int defStyleAttr) {
85            super(context, attrs, defStyleAttr);
86        }
87
88        public CustomToggleButton(Context context, AttributeSet attrs) {
89            super(context, attrs);
90        }
91
92        public CustomToggleButton(Context context) {
93            super(context);
94        }
95    }
96
97    @NonNull
98    @Override
99    protected AppCompatButton createButton(Context context, AttributeSet attrs) {
100        return new CustomButton(context, attrs);
101    }
102
103    @NonNull
104    @Override
105    protected AppCompatTextView createTextView(Context context, AttributeSet attrs) {
106        return new CustomTextView(context, attrs);
107    }
108
109    @NonNull
110    @Override
111    protected AppCompatImageButton createImageButton(Context context, AttributeSet attrs) {
112        return new CustomImageButton(context, attrs);
113    }
114
115    @Nullable
116    @Override
117    protected View createView(Context context, String name, AttributeSet attrs) {
118        if (name.equals("ToggleButton")) {
119            return new CustomToggleButton(context, attrs);
120        }
121        return null;
122    }
123}
124