Android分页中显示出下面翻页的导航栏的布局实例代码

概述当页面条目过多的时候需要分页，要在布局中显示出分页的相关布局，使用android:layout_weight=\"11\"

当页面条目过多的时候需要分页，要在布局中显示出分页的相关布局，使用androID:layout_weight="11"

activity_call_safe.xml

<?xml version="1.0" enCoding="utf-8"?><linearLayout xmlns:androID="http://schemas.androID.com/apk/res/androID"  androID:layout_wIDth="match_parent"  androID:layout_height="match_parent"  androID:orIEntation="vertical" >  <TextVIEw     androID:text="黑名单管理"    />  <FrameLayout     androID:layout_wIDth="match_parent"   androID:layout_height="match_parent"   androID:layout_weight="11"    >    <linearLayout       androID:ID="@+ID/ll_pb"      androID:layout_wIDth="match_parent"    androID:layout_height="wrap_content"    androID:gravity="center"    androID:visibility="invisible"    androID:orIEntation="vertical"    >    <Progressbar      androID:layout_wIDth="wrap_content"    androID:layout_height="wrap_content"      />    <TextVIEw       androID:layout_wIDth="wrap_content"    androID:layout_height="wrap_content"    androID:text="玩命加载中..."      />    </linearLayout>   <include      androID:ID="@+ID/List_vIEw_callsafe"     layout="@layout/List_vIEw_callsafe"/>  </FrameLayout>  <linearLayout     androID:layout_wIDth="match_parent"   androID:layout_height="wrap_content"   androID:orIEntation="horizontal"    >    <button       androID:onClick="prePage"      androID:layout_wIDth="wrap_content"    androID:layout_height="wrap_content"    androID:text="上一页"    androID:layout_weight="1"      /> <button       androID:onClick="nextPage"      androID:layout_wIDth="wrap_content"    androID:layout_height="wrap_content"    androID:text="下一页"    androID:layout_weight="1"      />  <button       androID:onClick="jump"      androID:layout_wIDth="wrap_content"    androID:layout_height="wrap_content"    androID:text="跳转"    androID:layout_weight="1"      />      <EditText       androID:ID="@+ID/et_page_number"      androID:layout_wIDth="wrap_content"    androID:layout_height="wrap_content"    androID:layout_weight="1"       />     <TextVIEw       androID:ID="@+ID/tv_page_number"      androID:layout_wIDth="wrap_content"    androID:layout_height="wrap_content"    androID:text="0/12"    androID:textSize="20sp"    androID:layout_weight="1"       />           </linearLayout></linearLayout>

逻辑文件，实现分页显示，页面的跳转，页数的显示，数据的删除同时更新ListVIEw

package com.lDW.safe.Activity;import java.util.List;import androID.app.Activity;import androID.content.Context;import androID.os.Bundle;import androID.os.Handler;import androID.os.Message;import androID.text.TextUtils;import androID.vIEw.VIEw;import androID.vIEw.VIEw.OnClickListener;import androID.vIEw.VIEwGroup;import androID.Widget.Adapter;import androID.Widget.EditText;import androID.Widget.ImageVIEw;import androID.Widget.linearLayout;import androID.Widget.ListVIEw;import androID.Widget.TextVIEw;import androID.Widget.Toast;import com.lDW.safe.R;import com.lDW.safe.adapter.MyBaseAdapter;import com.lDW.safe.bean.BlackNumberInfo;import com.lDW.safe.db.dao.BlackNumberDao;public class CallSafeActivity extends Activity { private ListVIEw List_vIEw_callsafe; private List<BlackNumberInfo> blackNumberInfos; private linearLayout ll_pb; private BlackNumberDao dao; private TextVIEw tv_page_number; private int pageNumber; private int mPageSize = 20;//每一页显示多少数据 private int mCurrentPageNumber = 0;//当前页面 private int totalPage; private CallSafeAdapter adapter; @OverrIDe  protected voID onCreate(Bundle savedInstanceState) {    super.onCreate(savedInstanceState);    setContentVIEw(R.layout.activity_call_safe);    initUi();    initData(); } //初始化数据 private Handler handler = new Handler(){ @OverrIDe    public voID handleMessage(Message msg) {  //通过总数，和每页显示多少条显示有多少条数据  tv_page_number.setText(mCurrentPageNumber + "/" + totalPage);  //数据初始化结束，关闭家在全的展示  ll_pb.setVisibility(VIEw.INVISIBLE);  adapter = new CallSafeAdapter(blackNumberInfos,CallSafeActivity.this);  //配置适配器  List_vIEw_callsafe.setAdapter(adapter); } }; private EditText et_page_number; //初始化数据 private voID initData() { //防止阻塞主线程，在子线程中初始化数据（后期数据会很多） new Thread(){  @OverrIDe  public voID run(){  dao = new BlackNumberDao(CallSafeActivity.this);  //获取到总条数和页数  totalPage = dao.getTotalNumber() / mPageSize;  //获取到表的所有数据  //blackNumberInfos = dao.findAll();  //分页显示数据  blackNumberInfos = dao.findPar(mCurrentPageNumber,mPageSize);  handler.sendEmptyMessage(0);  } }.start(); } //初始化UI private voID initUi() { ll_pb = (linearLayout) findVIEwByID(R.ID.ll_pb);    //初始化的时候展示加载的圆圈    ll_pb.setVisibility(VIEw.VISIBLE); List_vIEw_callsafe = (ListVIEw) findVIEwByID(R.ID.List_vIEw_callsafe); tv_page_number = (TextVIEw) findVIEwByID(R.ID.tv_page_number); et_page_number = (EditText) findVIEwByID(R.ID.et_page_number); } //对代码进行优化，继承自定义MyBaseAdapter，MyBaseAdapter继承自BaseAdapter封装一些常用的方法 private class CallSafeAdapter extends MyBaseAdapter<BlackNumberInfo>{ private CallSafeAdapter(List Lists,Context mContext){  super(Lists,mContext); } @OverrIDe public VIEw getVIEw(int position,VIEw convertVIEw,VIEwGroup parent) {  //谷歌推出的优化方案  VIEwHolder holder;  if(convertVIEw == null){  convertVIEw = VIEw.inflate(CallSafeActivity.this,R.layout.item_call_safe,null);  holder = new VIEwHolder();  holder.tv_number = (TextVIEw) convertVIEw.findVIEwByID(R.ID.tv_number);  holder.tv_mode = (TextVIEw) convertVIEw.findVIEwByID(R.ID.tv_mode);  holder.iv_delete = (ImageVIEw) convertVIEw.findVIEwByID(R.ID.iv_delete);  convertVIEw.setTag(holder);  }else{  holder = (VIEwHolder) convertVIEw.getTag();  }  holder.tv_number.setText(Lists.get(position).getNumber());  String mode = Lists.get(position).getMode();  if(mode.equals("1")){  holder.tv_mode.setText("电话和短信拦截");  }else if(mode.equals("2")){  holder.tv_mode.setText("电话拦截");  }else if(mode.equals("3")){  holder.tv_mode.setText("短信拦截");  }  final BlackNumberInfo info = Lists.get(position);  //监听删除数据按钮，删除数据  holder.iv_delete.setonClickListener(new OnClickListener(){  @OverrIDe  public voID onClick(VIEw v) {   String number = info.getNumber();   boolean result = dao.delete(number);   if(result){   Toast.makeText(CallSafeActivity.this,"删除成功",Toast.LENGTH_SHORT).show();   Lists.remove(info);   //更新ListVIEw   adapter.notifyDataSetChanged();   }else{   Toast.makeText(CallSafeActivity.this,"删除失败",Toast.LENGTH_SHORT).show();   }  }  });  return convertVIEw;  /*  //谷歌推出的优化方案  VIEwHolder holder;  if(convertVIEw == null){  convertVIEw = VIEw.inflate(CallSafeActivity.this,null);  holder = new VIEwHolder();  holder.tv_number = (TextVIEw) convertVIEw.findVIEwByID(R.ID.tv_number);  holder.tv_mode = (TextVIEw) convertVIEw.findVIEwByID(R.ID.tv_mode);  convertVIEw.setTag(holder);  }else{  holder = (VIEwHolder) convertVIEw.getTag();  }  holder.tv_number.setText(blackNumberInfos.get(position).getNumber());  String mode = blackNumberInfos.get(position).getMode();  if(mode.equals("1")){  holder.tv_mode.setText("电话和短信拦截");  }else if(mode.equals("2")){  holder.tv_mode.setText("电话拦截");  }else if(mode.equals("3")){  holder.tv_mode.setText("短信拦截");  }  return convertVIEw;  */  /*初步的优化  convertVIEw = VIEw.inflate(CallSafeActivity.this,null);  TextVIEw tv_number = (TextVIEw) convertVIEw.findVIEwByID(R.ID.tv_number);  TextVIEw tv_mode = (TextVIEw) convertVIEw.findVIEwByID(R.ID.tv_mode);  tv_number.setText(blackNumberInfos.get(position).getNumber());  String mode = blackNumberInfos.get(position).getMode();  if(mode.equals("1")){  tv_mode.setText("电话和短信拦截");  }else if(mode.equals("2")){  tv_mode.setText("电话拦截");  }else if(mode.equals("3")){  tv_mode.setText("短信拦截");  }  return convertVIEw;  */  /*传统的方式  VIEw vIEw = VIEw.inflate(CallSafeActivity.this,null);  TextVIEw tv_number = (TextVIEw) vIEw.findVIEwByID(R.ID.tv_number);  TextVIEw tv_mode = (TextVIEw) vIEw.findVIEwByID(R.ID.tv_mode);  tv_number.setText(blackNumberInfos.get(position).getNumber());  String mode = blackNumberInfos.get(position).getMode();  if(mode.equals("1")){  tv_mode.setText("电话和短信拦截");  }else if(mode.equals("2")){  tv_mode.setText("电话拦截");  }else if(mode.equals("3")){  tv_mode.setText("短信拦截");  }  return vIEw;  */ }  } static class VIEwHolder{ TextVIEw tv_number; TextVIEw tv_mode; ImageVIEw iv_delete; } /* * 上一页 */ public voID prePage(VIEw v){ //页码不能超过范围 if(mCurrentPageNumber <= 0){  Toast.makeText(this,"这已经是第一页",Toast.LENGTH_SHORT).show();  return; } mCurrentPageNumber --; initData(); } /* * 下一页 */ public voID nextPage(VIEw v){ //页码不能超过范围 if(mCurrentPageNumber >= totalPage - 1){  Toast.makeText(this,"这已经是最后一页",Toast.LENGTH_SHORT).show();  return; } mCurrentPageNumber ++; initData(); } /* * 跳转页面 */ public voID jump(VIEw v){ String jump_page = et_page_number.getText().toString(); if(TextUtils.isEmpty(jump_page)){  Toast.makeText(this,"请输入正确的页码",Toast.LENGTH_SHORT).show(); }else{  //读取的字符串转换成int  int pageNumber = Integer.parseInt(jump_page);  if(pageNumber >=0 && pageNumber<= totalPage - 1){  mCurrentPageNumber = pageNumber;  initData();  }else{  Toast.makeText(this,Toast.LENGTH_SHORT).show();  } } }}

以上所述是小编给大家介绍的AndroID分页中显示出下面翻页的导航栏的布局实例代码，希望对大家有所帮助，如果大家有任何疑问欢迎给我留言，小编会及时回复大家的！

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