Android中格式化数字字符项目的代码清单

1、Android中格式化数字字符项目的代码清单范美英（北京信息职业技术学院）摘 要：Android应用开发中对字符串资源的使用无处不在，本文详细罗列了使用并格式化数字项目的代码清单。关键词： Android；数字字符串；格式化；代码清单1 MainActivity.java类的代码public class MainActivity extends Activity TextView tv_res;EditText edt_num;Overrideprotected void onCreate(Bundle savedInstanceState) super.onCreate(savedInsta

2、nceState);Overridepublic boolean onCreateOptionsMenu(Menu menu) return true;public void clickOK(View v)String res;try/获取用户输入的数量int quantity=Integer.valueOf(edt_num.getText().toString();/根据用户输入的数量，选择匹配的数量字符串/格式化字符串res=String.format(res,quantity);/运用HTML格式显示字符tv_res.setText(Html.fromHtml(res);catch(Ex

3、ception e)e.printStackTrace();2 res/layout/activity_main.xml的代码清单 android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" > <EditText android:id="+id/edt_num" android:layout_width="match_parent" and

4、roid:layout_height="wrap_content" android:ems="10" android:hint="string/hint"> <requestFocus /> </EditText> <Button android:id="+id/button1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:

5、text="string/ok" android:onClick="clickOK" /> <TextView android:id="+id/tv_res" android:layout_width="match_parent" android:layout_height="match_parent" android:text="string/res" /></LinearLayout>3 res/menu/activity_main.xml的

6、代码清单 <item android:id="+id/menu_settings" android:orderInCategory="100" android:showAsAction="never" android:title="string/menu_settings"/></menu>4 res/values/strings.xml的代码清单<?xml version="1.0" encoding="utf-8"?><resou

7、rces> <string name="app_name">Ex_string_02</string> <string name="action_settings">Settings</string> <string name="hint">How many books you want?</string> <string name="ok">OK</string> <string name="re

8、s">Result:n</string> <plurals name="number_of_books"> <item quantity="one">&#160;&#160;&#160;&#160;I get it, you want to buy &lt;b>only One&lt;/b> book!</item> <item quantity="other">&#160;&#160;&#160;&#160;I get it, you want to buy &