Android Development Learning Note: Rounded button

Tags: Android Button casual fillet mobile development

The drawable-mdpi in the Res directory establishes the XML file Shape.xml, as shown in:

Shape.xml

2. <? XML version= "1.0" encoding="UTF-8"?>
4. <shape
6. xmlns:android="http://schemas.android.com/apk/res/android"
8. android:shape="Rectangle">
10. <!--filled colors--
12. <solid android:color="#FFFFFF" />
14. <!--set the four corners of the button arc--
16. <!--Android:radius arc radius--
18. <corners android:radius="5dip" />
22. <!--the spacing between the text and the button boundary in the Padding:button
24. <padding
26. android:left="10DP"
28. android:top="10DP"
30. android:right="10DP"
32. android:bottom="10DP"
34. />
36. </shape>

Main.xml

Shape.xml resources were used in android:background= "@drawable/shape"

2. <? XML version= "1.0" encoding="Utf-8"?>
4. <linearlayout xmlns:android="http://schemas.android.com/apk/res/android"
6. android:orientation="vertical"
8. android:layout_width="fill_parent"
10. android:layout_height="fill_parent"
12. >
14. <TextView
16. android:layout_width="fill_parent"
18. android:layout_height="wrap_content"
20. android:text="@string/hello"
22. />
24. <Button
26. android:id="@+id/roundbutton"
28. android:text="fillet button"
30. android:layout_width="wrap_content"
32. android:layout_height="wrap_content"
34. android:background="@drawable/shape"
36. />
38. </linearlayout>

Strings.xml

2. <? XML version= "1.0" encoding="Utf-8"?>
4. <resources>
6. <string name="Hello">hello world, roundbuttondemoactivity! </string>
8. <string name="app_name">roundbuttondemo</string>
10. </Resources>

Roundbuttondemoactivity.java

2. Package com.android.RoundButtonDemo.activity;
6. Import android.app.Activity;
8. Import Android.os.Bundle;
10. Import Android.view.View;
12. Import Android.view.View.OnClickListener;
14. Import Android.widget.Button;
16. Import Android.widget.Toast;
20. Public class Roundbuttondemoactivity extends Activity {
22. Button Roundbutton;
24. @Override
26. public void OnCreate (Bundle savedinstancestate) {
28. super.oncreate (savedinstancestate);
30. Setcontentview (R.layout.main);
34. roundbutton= (Button) Findviewbyid (R.id.roundbutton);
36. //Use anonymous class to register button events
38. Roundbutton.setonclicklistener (new Onclicklistener ()
40. {
42. public void OnClick (View v)
44. {
46. Toast.maketext (roundbuttondemoactivity.  This, "You clicked the Fillet button", Toast.length_long). Show ();
48. }
50. });
52. }
54. }

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Android Development Learning Note: Rounded button