Android Learning notes Advanced 19 to the picture and border

[Java]View PlainCopy

1. Set color
2. public void setcolour (int color) {
3. CO = color;
4. }
5. //Set Border width
6. public void setborderwidth (int width) {
8. BorderWidth = width;
9. }

Specific implementation:

[Java]View PlainCopy

2. Package xiaosi.imageborder;
6. Import android.app.Activity;
8. Import Android.graphics.Color;
10. Import Android.os.Bundle;
14. Public class Imageborderactivity extends Activity {
16. /** Called when the activity is first created. * /
18. private Myimageview image = null;
20. private Myimageview image1 = null;
22. @Override
24. public void OnCreate (Bundle savedinstancestate) {
26. super.oncreate (savedinstancestate);
28. Setcontentview (R.layout.main);
32. Image = (Myimageview) Findviewbyid (R.ID.IAMGE);
34. Image.setcolour (Color.yellow);
36. Image.setborderwidth (10);
38. Image1 = (Myimageview) Findviewbyid (r.id.iamge1);
40. Image1.setcolour (Color.green);
42. Image1.setborderwidth (5);
44. }
46. }

Main.xml

[Java]View PlainCopy

2. <linearlayout
4. xmlns:android="Http://schemas.android.com/apk/res/android"
6. android:background="@drawable/playerbackground"
8. Android:layout_width="Fill_parent"
10. android:layout_height="Fill_parent" >
12. <xiaosi.imageborder.myimageview
14. android:id="@+id/iamge"
16. Android:layout_width="200px"
18. android:layout_height="230px"
20. android:layout_alignparentright="true"
22. android:src="@drawable/V"
24. android:layout_centerinparent="true"
26. android:layout_marginright="3px"
28. />
30. <xiaosi.imageborder.myimageview
32. android:id="@+id/iamge1"
34. Android:layout_width="200px"
36. android:layout_height="230px"
38. android:layout_alignparentright="true"
40. android:src="@drawable/V"
42. android:layout_centerinparent="true"
44. android:layout_marginright="3px"
46. />
48. </LinearLayout>

[Java]View PlainCopy

2. Package xiaosi.imageborder;
6. Import Android.content.Context;
8. Import Android.graphics.Canvas;
10. Import Android.graphics.Paint;
12. Import Android.graphics.Rect;
14. Import Android.util.AttributeSet;
16. Import Android.widget.ImageView;
20. Public class Myimageview extends ImageView {
24. private int co;
26. private int borderwidth;
28. Public Myimageview (context context) {
30. super (context);
32. }
34. Public Myimageview (context context, AttributeSet attrs,
36. int Defstyle) {  
38. Super (context, attrs, Defstyle);
40. }
44. Public Myimageview (context context, AttributeSet attrs) {
46. Super (context, attrs);
48. }
50. //Set color
52. public void setcolour (int color) {
54. CO = color;
56. }
58. //Set Border width
60. public void setborderwidth (int width) {
64. BorderWidth = width;
66. }
68. @Override
70. protected void OnDraw (canvas canvas) {
72. Super.ondraw (canvas);
74. //Draw Border
76. Rect rec = canvas.getclipbounds ();
78. rec.bottom--;
80. rec.right--;
82. Paint paint = new paint ();
84. //Set Border color
86. Paint.setcolor (CO);
88. Paint.setstyle (Paint.Style.STROKE);
90. //Set Border width
92. Paint.setstrokewidth (BorderWidth);
94. Canvas.drawrect (REC, paint);
96. }
98. }

Source code Download: Click to open the link

Android Learning notes Advanced 19 to the picture and border