1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
/*
* Copyright (C) 2021 The Android Open Source Project
*
* 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.
*/
package com.android.car.rotaryplayground;
import android.content.Context;
import android.util.AttributeSet;
import android.widget.Button;
import androidx.annotation.Nullable;
public class CustomButton extends Button {
private static final int[] STATE_ROTARY_ENABLED = {R.attr.state_rotary_enabled};
private boolean mRotaryEnabled = true;
public CustomButton(Context context) {
super(context);
}
public CustomButton(Context context, @Nullable AttributeSet attrs) {
super(context, attrs);
}
public CustomButton(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
}
public CustomButton(Context context, @Nullable AttributeSet attrs, int defStyleAttr,
int defStyleRes) {
super(context, attrs, defStyleAttr, defStyleRes);
}
public void setRotaryEnabled(boolean enabled) {
mRotaryEnabled = enabled;
refreshDrawableState();
}
public boolean isRotaryEnabled() {
return mRotaryEnabled;
}
@Override
protected int[] onCreateDrawableState(int extraSpace) {
final int[] drawableState = super.onCreateDrawableState(extraSpace + 1);
if (mRotaryEnabled) {
mergeDrawableStates(drawableState, STATE_ROTARY_ENABLED);
}
return drawableState;
}
}
|
