Android Development Learning Note: Rounded button

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

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Shape.xml

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<?xml version= "1.0"  encoding= "UTF-8"? > <shape      xmlns:android= "Http://schemas.android.com/apk/res/android"       android:shape= "Rectangle" >     <!--  Fill Color  -->      <solid android:color= "#FFFFFF"  />     <!--   Set Four corners of the button for arcs  -->     <!-- android:radius  arc radius  -->      <corners android:radius= "5dip"  />        <!--The spacing between the text inside the  padding:button and the button boundary  --> <padding     android:left= "10DP"     android:top= "10DP"     android:right= "10DP"     android:bottom= "10DP" &NBSP;/>&NBSP;</SHAPE> 

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Main.xml

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

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<?xml version= "1.0"  encoding= "Utf-8"? > <linearlayout xmlns:android= "http// Schemas.android.com/apk/res/android "     android:orientation=" vertical "      android:layout_width= "Fill_parent"      android:layout_height= "Fill_ Parent "     > <TextView         Android:layout_width= "Fill_parent"        android:layout_height= "Wrap_ Content "       android:text=" @string/hello "     / >   <button       android:id= "@+id/roundButton"       android:text= "  Fillet button  "      android:layout_width= " Wrap_content "       android:layout_height=" Wrap_content "        android:background= "@drawable/shape"      /> </LinearLayout> 

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Strings.xml

<?xml version= "1.0" encoding= "Utf-8"?> <resources> <string name= "Hello" >hello World, Roundbuttondem oactivity!</string> <string name= "App_name" >RoundButtonDemo</string> </resources>

Roundbuttondemoactivity.java

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package com.android.roundbuttondemo.activity;   import android.app.activity;   import android.os.Bundle;  import android.view.View;  import  android.view.view.onclicklistener;  import android.widget.button;  import  android.widget.toast;   public class roundbuttondemoactivity extends  activity {      button roundbutton;        @Override      public void oncreate (bundle savedinstancestate)  {          super.oncreate (savedInstanceState);           setcontentview (R.layout.main);                     roundbutton= ( Button) Findviewbyid (R.id.roundbutton);         //Registering button events with anonymous classes            roundbutton.setonclicklistener (New onclicklistener ()          {                    public void onclick (VIEW V)                {                   toast.maketext (roundbuttondemoactivity.this,  "You clicked on the Fillet button", Toast.LENGTH_ LONG). Show ();              }           });       }  }

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：

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Android Development Learning Note: Rounded button