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
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
|
/*
* Copyright (C) 2013 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.datetimepicker.time;
import android.content.Context;
import android.content.res.Resources;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.util.Log;
import android.view.View;
import com.android.datetimepicker.R;
/**
* Draws a simple white circle on which the numbers will be drawn.
*/
public class CircleView extends View {
private static final String TAG = "CircleView";
private final Paint mPaint = new Paint();
private boolean mIs24HourMode;
private int mCircleColor;
private int mDotColor;
private float mCircleRadiusMultiplier;
private float mAmPmCircleRadiusMultiplier;
private boolean mIsInitialized;
private boolean mDrawValuesReady;
private int mXCenter;
private int mYCenter;
private int mCircleRadius;
public CircleView(Context context) {
super(context);
Resources res = context.getResources();
mCircleColor = res.getColor(android.R.color.white);
mDotColor = res.getColor(R.color.numbers_text_color);
mPaint.setAntiAlias(true);
mIsInitialized = false;
}
public void initialize(Context context, boolean is24HourMode) {
if (mIsInitialized) {
Log.e(TAG, "CircleView may only be initialized once.");
return;
}
Resources res = context.getResources();
mIs24HourMode = is24HourMode;
if (is24HourMode) {
mCircleRadiusMultiplier = Float.parseFloat(
res.getString(R.string.circle_radius_multiplier_24HourMode));
} else {
mCircleRadiusMultiplier = Float.parseFloat(
res.getString(R.string.circle_radius_multiplier));
mAmPmCircleRadiusMultiplier =
Float.parseFloat(res.getString(R.string.ampm_circle_radius_multiplier));
}
mIsInitialized = true;
}
/* package */ void setTheme(Context context, boolean dark) {
Resources res = context.getResources();
if (dark) {
mCircleColor = res.getColor(R.color.dark_gray);
mDotColor = res.getColor(R.color.light_gray);
} else {
mCircleColor = res.getColor(android.R.color.white);
mDotColor = res.getColor(R.color.numbers_text_color);
}
}
@Override
public void onDraw(Canvas canvas) {
int viewWidth = getWidth();
if (viewWidth == 0 || !mIsInitialized) {
return;
}
if (!mDrawValuesReady) {
mXCenter = getWidth() / 2;
mYCenter = getHeight() / 2;
mCircleRadius = (int) (Math.min(mXCenter, mYCenter) * mCircleRadiusMultiplier);
if (!mIs24HourMode) {
// We'll need to draw the AM/PM circles, so the main circle will need to have
// a slightly higher center. To keep the entire view centered vertically, we'll
// have to push it up by half the radius of the AM/PM circles.
int amPmCircleRadius = (int) (mCircleRadius * mAmPmCircleRadiusMultiplier);
mYCenter -= amPmCircleRadius / 2;
}
mDrawValuesReady = true;
}
// Draw the white circle.
mPaint.setColor(mCircleColor);
canvas.drawCircle(mXCenter, mYCenter, mCircleRadius, mPaint);
// Draw a small black circle in the center.
mPaint.setColor(mDotColor);
canvas.drawCircle(mXCenter, mYCenter, 2, mPaint);
}
}
|