码迷，mamicode.com
首页 > 移动开发 > 详细

android圆角矩形背景

时间：2015-01-13 14:21:11      阅读：261      评论：0      收藏：0      [点我收藏+]

标签：

Android平台
使用方便
StateRoundRectDrawable mRoundRectDradable = new StateRoundRectDrawable(int normalCorlor, int pressColor);
mRoundRectDradable.setBottomLeftRadius(0);
mRoundRectDradable.setBottomRightRadius(0); .............

xxxxx.setBackgroundDrawable(mRoundRectDradable);

[1].[代码] [Java]代码 跳至 [1] [2]

?
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
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.ColorFilter;
import android.graphics.Paint;
import android.graphics.Rect;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.shapes.RoundRectShape;
import android.view.MotionEvent;
 
public class RoundRectDradable extends Drawable{
    private static final float DEFAULT_RADIUS = 6.f;
    private Paint mPaint = new Paint();
    private RoundRectShape mShape;
    private float[] mOuter;
    private int mColor;
    private int mPressColor;
    private float mTopLeftRadius = DEFAULT_RADIUS;
    private float mTopRightRadius = DEFAULT_RADIUS;
    private float mBottomLeftRadius = DEFAULT_RADIUS;
    private float mBottomRightRadius = DEFAULT_RADIUS;
    public RoundRectDradable() {
        mColor = Color.WHITE;
        mPressColor = Color.WHITE;
        mPaint.setColor(mColor);
        mPaint.setAntiAlias(true);
    }
     
    public float getTopLeftRadius() {
        return mTopLeftRadius;
    }
 
    public void setTopLeftRadius(float topLeftRadius) {
        this.mTopLeftRadius = topLeftRadius;
    }
 
    public float getTopRightRadius() {
        return mTopRightRadius;
    }
 
    public void setTopRightRadius(float topRightRadius) {
        this.mTopRightRadius = topRightRadius;
    }
 
    public float getBottomLeftRadius() {
        return mBottomLeftRadius;
    }
 
    public void setBottomLeftRadius(float bottomLeftRadius) {
        this.mBottomLeftRadius = bottomLeftRadius;
    }
 
    public float getBottomRightRadius() {
        return mBottomRightRadius;
    }
 
    public void setBottomRightRadius(float bottomRightRadius) {
        this.mBottomRightRadius = bottomRightRadius;
    }
     
    public int getPressColor() {
        return mPressColor;
    }
 
    public void setPressColor(int pressColor) {
        this.mPressColor = pressColor;
    }
 
    @Override
    protected void onBoundsChange(Rect bounds) {
        super.onBoundsChange(bounds);
        refreshShape();
        mShape.resize(bounds.right - bounds.left, bounds.bottom - bounds.top);
    }
     
    private void refreshShape(){
        mOuter = new float[]{mTopLeftRadius, mTopLeftRadius
                , mTopRightRadius, mTopRightRadius
                , mBottomLeftRadius, mBottomLeftRadius
                , mBottomRightRadius, mBottomLeftRadius};
        mShape = new RoundRectShape(mOuter, null, null);
    }
     
    public void setColor(int color){
        mColor = color;
        mPaint.setColor(color);
    }
     
    @Override
    public void draw(Canvas canvas) {
        mShape.draw(canvas, mPaint);
    }
 
    @Override
    public void setAlpha(int alpha) {
        mPaint.setAlpha(alpha);
    }
     
    @Override
    public void setColorFilter(ColorFilter cf) {
        mPaint.setColorFilter(cf);
    }
 
    @Override
    public int getOpacity() {
        return mPaint.getAlpha();
    }
}

[2].[代码] [Java]代码 跳至 [1] [2]

?
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
import android.graphics.Rect;
import android.graphics.drawable.StateListDrawable;
 
public class StateRoundRectDrawable extends StateListDrawable{
    private static final float DEFAULT_RADIUS = 6.f;
    private float mTopLeftRadius = DEFAULT_RADIUS;
    private float mTopRightRadius = DEFAULT_RADIUS;
    private float mBottomLeftRadius = DEFAULT_RADIUS;
    private float mBottomRightRadius = DEFAULT_RADIUS;
    private int mNormalColor;
    private int mPressedColor;
    private RoundRectDradable mNormalDradable;
    private RoundRectDradable mPressedDradable;
    public StateRoundRectDrawable(int normalCorlor, int pressColor) {
        this.mNormalColor = normalCorlor;
        this.mPressedColor = pressColor;
    }
     
    @Override
    protected void onBoundsChange(Rect bounds) {
        if(mNormalDradable == null){
            mNormalDradable = new RoundRectDradable();
            mNormalDradable.setTopLeftRadius(mTopLeftRadius);
            mNormalDradable.setTopRightRadius(mTopRightRadius);
            mNormalDradable.setBottomLeftRadius(mBottomLeftRadius);
            mNormalDradable.setBottomRightRadius(mBottomRightRadius);
            mNormalDradable.setColor(mNormalColor);
            mNormalDradable.onBoundsChange(bounds);
        }
        if(mPressedDradable == null){
            mPressedDradable = new RoundRectDradable();
            mPressedDradable.setTopLeftRadius(mTopLeftRadius);
            mPressedDradable.setTopRightRadius(mTopRightRadius);
            mPressedDradable.setBottomLeftRadius(mBottomLeftRadius);
            mPressedDradable.setBottomRightRadius(mBottomRightRadius);
            mPressedDradable.setColor(mPressedColor);
            mPressedDradable.onBoundsChange(bounds);
        }
        this.addState(new int[]{-android.R.attr.state_pressed}, mNormalDradable);
        this.addState(new int[]{android.R.attr.state_pressed}, mPressedDradable);
    }
     
    public float getTopLeftRadius() {
        return mTopLeftRadius;
    }
 
    public void setTopLeftRadius(float topLeftRadius) {
        this.mTopLeftRadius = topLeftRadius;
    }
 
    public float getTopRightRadius() {
        return mTopRightRadius;
    }
 
    public void setTopRightRadius(float topRightRadius) {
        this.mTopRightRadius = topRightRadius;
    }
 
    public float getBottomLeftRadius() {
        return mBottomLeftRadius;
    }
 
    public void setBottomLeftRadius(float bottomLeftRadius) {
        this.mBottomLeftRadius = bottomLeftRadius;
    }
 
    public float getBottomRightRadius() {
        return mBottomRightRadius;
    }
 
    public void setBottomRightRadius(float bottomRightRadius) {
        this.mBottomRightRadius = bottomRightRadius;
    }
 
    public int getNormalColor() {
        return mNormalColor;
    }
 
    public void setNormalColor(int normalColor) {
        this.mNormalColor = normalColor;
    }
 
    public int getPressedColor() {
        return mPressedColor;
    }
 
    public void setPressedColor(int pressedColor) {
        this.mPressedColor = pressedColor;
    }
     
}

android圆角矩形背景

标签：

原文地址：http://blog.csdn.net/u014311077/article/details/42675957
踩
(0)
赞
(0)
   
举报
评论 一句话评论（0）
登录后才能评论！
分享档案
更多>
2021年07月29日 (22)
2021年07月28日 (40)
2021年07月27日 (32)
2021年07月26日 (79)
2021年07月23日 (29)
2021年07月22日 (30)
2021年07月21日 (42)
2021年07月20日 (16)
2021年07月19日 (90)
2021年07月16日 (35)
周排行
mamicode.com排行更多图片
更多
友情链接
兰亭集智   国之画   百度统计   站长统计   阿里云   chrome插件   新版天听网
关于我们 - 联系我们 - 留言反馈
© 2014 mamicode.com 版权所有  联系我们:gaon5@hotmail.com
迷上了代码！