Android分頁(yè)中顯示出下面翻頁(yè)的導(dǎo)航欄的布局實(shí)例代碼
當(dāng)頁(yè)面條目過(guò)多的時(shí)候需要分頁(yè),要在布局中顯示出分頁(yè)的相關(guān)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 style="@style/TitleStyle" android:text="黑名單管理" /> <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="玩命加載中..." /> </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="上一頁(yè)" android:layout_weight="1" /> <Button android:onClick="nextPage" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="下一頁(yè)" android:layout_weight="1" /> <Button android:onClick="jump" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="跳轉(zhuǎn)" 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>
邏輯文件,實(shí)現(xiàn)分頁(yè)顯示,頁(yè)面的跳轉(zhuǎn),頁(yè)數(shù)的顯示,數(shù)據(jù)的刪除同時(shí)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;//每一頁(yè)顯示多少數(shù)據(jù) private int mCurrentPageNumber = 0;//當(dāng)前頁(yè)面 private int totalPage; private CallSafeAdapter adapter; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_call_safe); initUi(); initData(); } //初始化數(shù)據(jù) private Handler handler = new Handler(){ @Override public void handleMessage(Message msg) { //通過(guò)總數(shù),和每頁(yè)顯示多少條顯示有多少條數(shù)據(jù) tv_page_number.setText(mCurrentPageNumber + "/" + totalPage); //數(shù)據(jù)初始化結(jié)束,關(guān)閉家在全的展示 ll_pb.setVisibility(View.INVISIBLE); adapter = new CallSafeAdapter(blackNumberInfos, CallSafeActivity.this); //配置適配器 list_view_callsafe.setAdapter(adapter); } }; private EditText et_page_number; //初始化數(shù)據(jù) private void initData() { //防止阻塞主線程,在子線程中初始化數(shù)據(jù)(后期數(shù)據(jù)會(huì)很多) new Thread(){ @Override public void run(){ dao = new BlackNumberDao(CallSafeActivity.this); //獲取到總條數(shù)和頁(yè)數(shù) totalPage = dao.getTotalNumber() / mPageSize; //獲取到表的所有數(shù)據(jù) //blackNumberInfos = dao.findAll(); //分頁(yè)顯示數(shù)據(jù) blackNumberInfos = dao.findPar(mCurrentPageNumber, mPageSize); handler.sendEmptyMessage(0); } }.start(); } //初始化UI private void initUi() { ll_pb = (LinearLayout) findViewById(R.id.ll_pb); //初始化的時(shí)候展示加載的圓圈 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); } //對(duì)代碼進(jìn)行優(yōu)化,繼承自定義MyBaseAdapter,MyBaseAdapter繼承自BaseAdapter封裝一些常用的方法 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) { //谷歌推出的優(yōu)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("電話和短信攔截"); }else if(mode.equals("2")){ holder.tv_mode.setText("電話攔截"); }else if(mode.equals("3")){ holder.tv_mode.setText("短信攔截"); } final BlackNumberInfo info = lists.get(position); //監(jiān)聽(tīng)刪除數(shù)據(jù)按鈕,刪除數(shù)據(jù) 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, "刪除成功", Toast.LENGTH_SHORT).show(); lists.remove(info); //更新ListView adapter.notifyDataSetChanged(); }else{ Toast.makeText(CallSafeActivity.this, "刪除失敗", Toast.LENGTH_SHORT).show(); } } }); return convertView; /* //谷歌推出的優(yōu)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); 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("電話和短信攔截"); }else if(mode.equals("2")){ holder.tv_mode.setText("電話攔截"); }else if(mode.equals("3")){ holder.tv_mode.setText("短信攔截"); } return convertView; */ /*初步的優(yōu)化 convertView = View.inflate(CallSafeActivity.this, R.layout.item_call_safe, 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("電話和短信攔截"); }else if(mode.equals("2")){ tv_mode.setText("電話攔截"); }else if(mode.equals("3")){ tv_mode.setText("短信攔截"); } return convertView; */ /*傳統(tǒng)的方式 View view = View.inflate(CallSafeActivity.this, R.layout.item_call_safe, 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("電話和短信攔截"); }else if(mode.equals("2")){ tv_mode.setText("電話攔截"); }else if(mode.equals("3")){ tv_mode.setText("短信攔截"); } return view; */ } } static class ViewHolder{ TextView tv_number; TextView tv_mode; ImageView iv_delete; } /* * 上一頁(yè) */ public void prePage(View v){ //頁(yè)碼不能超過(guò)范圍 if(mCurrentPageNumber <= 0){ Toast.makeText(this, "這已經(jīng)是第一頁(yè)", Toast.LENGTH_SHORT).show(); return; } mCurrentPageNumber --; initData(); } /* * 下一頁(yè) */ public void nextPage(View v){ //頁(yè)碼不能超過(guò)范圍 if(mCurrentPageNumber >= totalPage - 1){ Toast.makeText(this, "這已經(jīng)是最后一頁(yè)", Toast.LENGTH_SHORT).show(); return; } mCurrentPageNumber ++; initData(); } /* * 跳轉(zhuǎn)頁(yè)面 */ public void jump(View v){ String jump_page = et_page_number.getText().toString(); if(TextUtils.isEmpty(jump_page)){ Toast.makeText(this, "請(qǐng)輸入正確的頁(yè)碼", Toast.LENGTH_SHORT).show(); }else{ //讀取的字符串轉(zhuǎn)換成int int pageNumber = Integer.parseInt(jump_page); if(pageNumber >=0 && pageNumber<= totalPage - 1){ mCurrentPageNumber = pageNumber; initData(); }else{ Toast.makeText(this, "請(qǐng)輸入正確的頁(yè)碼", Toast.LENGTH_SHORT).show(); } } } }
以上所述是小編給大家介紹的Android分頁(yè)中顯示出下面翻頁(yè)的導(dǎo)航欄的布局實(shí)例代碼,希望對(duì)大家有所幫助,如果大家有任何疑問(wèn)歡迎給我留言,小編會(huì)及時(shí)回復(fù)大家的!
相關(guān)文章
Android接入ffmpeg庫(kù)及問(wèn)題解決方法
這篇文章主要介紹了Android接入ffmpeg庫(kù)的相關(guān)知識(shí),文中提到了交叉編譯ffmpeg+libx264+libfdk-aac的問(wèn)題及問(wèn)題解決方法,需要的朋友可以參考下2022-03-03Kotlin 協(xié)程 supervisorScope {} 運(yùn)行崩潰解決方法
看過(guò)很多?supervisorScope {}?文檔的使用,我照抄一摸一樣的代碼,運(yùn)行就崩潰,最后找到了解決方法,應(yīng)該是kotlin版本更新做過(guò)改動(dòng),當(dāng)前我使用的是?androidx.core:core-ktx:1.9.0,本文給大家介紹Kotlin 協(xié)程 supervisorScope {} 運(yùn)行崩潰解決方法,感興趣的朋友一起看看吧2024-01-01Android自定義View實(shí)現(xiàn)簡(jiǎn)單炫酷的球體進(jìn)度球?qū)嵗a
這篇文章主要給大家介紹了關(guān)于Android自定義View實(shí)現(xiàn)簡(jiǎn)單炫酷的球體進(jìn)度球的相關(guān)資料,文中通過(guò)示例代碼介紹的非常詳細(xì),對(duì)各位Android開(kāi)發(fā)者們具有一定的參考學(xué)習(xí)價(jià)值,需要的朋友們下面隨著小編來(lái)一起學(xué)習(xí)學(xué)習(xí)吧2019-01-01Android fragment實(shí)現(xiàn)多個(gè)頁(yè)面切換效果
這篇文章主要為大家詳細(xì)介紹了fragment實(shí)現(xiàn)多個(gè)頁(yè)面切換效果,文中示例代碼介紹的非常詳細(xì),具有一定的參考價(jià)值,感興趣的小伙伴們可以參考一下2018-04-04Android編程簡(jiǎn)單解析JSON格式數(shù)據(jù)的方法示例
這篇文章主要介紹了Android編程簡(jiǎn)單解析JSON格式數(shù)據(jù)的方法,結(jié)合實(shí)例形式分析了Android編程解析json格式數(shù)據(jù)的實(shí)現(xiàn)方法與相關(guān)操作技巧,需要的朋友可以參考下2017-08-08完美解決客戶端webview持有的頁(yè)面緩存,不會(huì)立即釋放的問(wèn)題
下面小編就為大家?guī)?lái)一篇完美解決客戶端webview持有的頁(yè)面緩存,不會(huì)立即釋放的問(wèn)題。小編覺(jué)得挺不錯(cuò)的,現(xiàn)在就分享給大家,也給大家做個(gè)參考。一起跟隨小編過(guò)來(lái)看看吧2016-12-12Android實(shí)現(xiàn)計(jì)時(shí)與倒計(jì)時(shí)的方法匯總
這篇文章主要介紹了Android實(shí)現(xiàn)計(jì)時(shí)與倒計(jì)時(shí)的方法匯總,非常不錯(cuò),具有參考借鑒價(jià)值,需要的朋友可以參考下2017-06-06