Text plus border for Android learning note tips

Bordertextviews.java

[Java]View PlainCopy

2. Package Xiaosi. Bordertextview;
6. Import Android.content.Context;
8. Import Android.graphics.Canvas;
10. Import Android.graphics.Color;
12. Import Android.graphics.Paint;
14. Import Android.util.AttributeSet;
16. Import Android.widget.TextView;
20. Public class Bordertextviews extends TextView
22. {
24. Private Paint paint = null;
26. private int color = Color.gray;
28. Public bordertextviews (context context, AttributeSet attrs)
30. {
32. Super (context, attrs);
34. }
36. //Set Border color
38. public void Setpaintcolor (int color) {
40. this.color = color;
42. }
44. @Override
46. protected void OnDraw (canvas canvas)
48. {
50. Super.ondraw (canvas);
52. Paint = new paint ();
54. //Set color for border
56. Paint.setcolor (color);
58. //On
60. Canvas.drawline (0, 0, this.getwidth ()-1, 0, paint);
62. //Left
64. Canvas.drawline (0, 0, 0, this.getheight ()-1, paint);
66. //Down
68. Canvas.drawline (0, this.getheight ()-1, this.getwidth ()-1, this.getheight ()-1, paint);
70. //Right
72. Canvas.drawline (this.getwidth ()-1, 0, this.getwidth ()-1, this.getheight ()-1,  Paint);
74. }
76. }

[Java]View PlainCopy

2. Package Xiaosi. Bordertextview;
6. Import android.app.Activity;
8. Import Android.graphics.Color;
10. Import Android.os.Bundle;
14. Public class Bordertextviewactivity extends Activity {
16. /** Called when the activity is first created. * /
18. private Bordertextviews Bordertextview = null;
20. @Override
22. public void OnCreate (Bundle savedinstancestate) {
24. super.oncreate (savedinstancestate);
26. Setcontentview (R.layout.main);
28. Bordertextview = (bordertextviews) Findviewbyid (R.id.border);
30. Bordertextview.setpaintcolor (Color.gray);
32. }
34. }

Main.xml

[Java]View PlainCopy

2. <?xml version="1.0" encoding="Utf-8"?>
4. <linearlayout xmlns:android="Http://schemas.android.com/apk/res/android"
6. Android:layout_width="Fill_parent"
8. android:layout_height="Fill_parent"
10. android:orientation="Vertical"
12. android:background="#CCFF66" >
16. <xiaosi. Bordertextview.bordertextviews
18. android:id="@+id/border"
20. Android:layout_width="Wrap_content"
22. android:layout_height="Wrap_content"
24. android:textcolor="#C71585"
26. android:layout_margintop="20DP"
28. android:padding="10DP"
30. android:layout_gravity="center"
32. android:text="Draw a border on canvas"/>
36. </LinearLayout>

Text plus border for Android learning note tips