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
|
/*
* 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.date;
import android.content.Context;
import android.content.res.Resources;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.Paint.Align;
import android.graphics.Paint.Style;
import android.util.AttributeSet;
import android.widget.TextView;
import com.android.datetimepicker.R;
/**
* A text view which, when pressed or activated, displays a blue circle around the text.
*/
public class TextViewWithCircularIndicator extends TextView {
private static final int SELECTED_CIRCLE_ALPHA = 60;
Paint mCirclePaint = new Paint();
private final int mRadius;
private final int mCircleColor;
private final String mItemIsSelectedText;
private boolean mDrawCircle;
public TextViewWithCircularIndicator(Context context, AttributeSet attrs) {
super(context, attrs);
Resources res = context.getResources();
mCircleColor = res.getColor(R.color.blue);
mRadius = res.getDimensionPixelOffset(R.dimen.month_select_circle_radius);
mItemIsSelectedText = context.getResources().getString(R.string.item_is_selected);
init();
}
private void init() {
mCirclePaint.setFakeBoldText(true);
mCirclePaint.setAntiAlias(true);
mCirclePaint.setColor(mCircleColor);
mCirclePaint.setTextAlign(Align.CENTER);
mCirclePaint.setStyle(Style.FILL);
mCirclePaint.setAlpha(SELECTED_CIRCLE_ALPHA);
}
public void drawIndicator(boolean drawCircle) {
mDrawCircle = drawCircle;
}
@Override
public void onDraw(Canvas canvas) {
super.onDraw(canvas);
if (mDrawCircle) {
final int width = getWidth();
final int height = getHeight();
int radius = Math.min(width, height) / 2;
canvas.drawCircle(width / 2, height / 2, radius, mCirclePaint);
}
}
@Override
public CharSequence getContentDescription() {
CharSequence itemText = getText();
if (mDrawCircle) {
return String.format(mItemIsSelectedText, itemText);
} else {
return itemText;
}
}
}
|
