Android中格式化數(shù)字字符項(xiàng)目的代碼清單

1、Android中格式化數(shù)字字符項(xiàng)目的代碼清單范美英（北京信息職業(yè)技術(shù)學(xué)院）摘 要：Android應(yīng)用開發(fā)中對(duì)字符串資源的使用無處不在，本文詳細(xì)羅列了使用并格式化數(shù)字項(xiàng)目的代碼清單。關(guān)鍵詞： Android；數(shù)字字符串；格式化；代碼清單1 MainActivity.java類的代碼package com.zyk.ex_string_02;import android.app.Activity;import android.os.Bundle;import android.text.Html;import android.util.Log;import android.view.Menu;impo

2、rt android.view.View;import android.widget.EditText;import android.widget.TextView;public class MainActivity extends Activity TextView tv_res;EditText edt_num;Overrideprotected void onCreate(Bundle savedInstanceState) super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);tv_res=(

3、TextView) this.findViewById(R.id.tv_res);edt_num=(EditText) this.findViewById(R.id.edt_num);Overridepublic boolean onCreateOptionsMenu(Menu menu) getMenuInflater().inflate(R.menu.main, menu);return true;public void clickOK(View v)String res;try/獲取用戶輸入的數(shù)量int quantity=Integer.valueOf(edt_num.getText()

4、.toString();/根據(jù)用戶輸入的數(shù)量，選擇匹配的數(shù)量字符串res=this.getResources().getQuantityString(R.plurals.number_of_books, quantity);/格式化字符串res=String.format(res,quantity);/運(yùn)用HTML格式顯示字符tv_res.setText(Html.fromHtml(res);catch(Exception e)e.printStackTrace();2 res/layout/activity_main.xml的代碼清單<LinearLayout xmlns:androi

5、d=" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" > <EditText android:id="+id/edt_num" android:layout_width="match_parent" android:layout_height="wrap_content" android:ems=&

6、quot;10" android:hint="string/hint"> <requestFocus /> </EditText> <Button android:id="+id/button1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="string/ok" android:onClick="clickOK&

7、quot; /> <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的代碼清單<menu xmlns:android=" > <item android:i

8、d="+id/menu_settings" android:orderInCategory="100" android:showAsAction="never" android:title="string/menu_settings"/></menu>4 res/values/strings.xml的代碼清單<?xml version="1.0" encoding="utf-8"?><resources> <string nam

9、e="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="res">Result:n<

10、/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 g