afinal FinalDb 和 FinalActivity 使用

测试实体类 Memoir 

package com.memoir.entity;

import com.memoir.configs.MemoirConfig;

import net.tsz.afinal.annotation.sqlite.Id;
import net.tsz.afinal.annotation.sqlite.Table;

@Table(name=MemoirConfig.MEMOIRE_TABLE_NAME) //自定义创建表名 否则 表名默认为 com_memoir_entity_memoir
public class Memoir {
    
    @Id(column="id")//自定义主键名称
    private String id;
    private String title;
    private String memoir;
    private String createDate;
    private String lstModDate;
    //get set 方法不可少
    public String getId() {
        return id;
    }

    public void setId(String id) {
        this.id = id;
    }

    public String getTitle() {
        return title;
    }

    public void setTitle(String title) {
        this.title = title;
    }

    public String getMemoir() {
        return memoir;
    }

    public void setMemoir(String memoir) {
        this.memoir = memoir;
    }

    public String getCreateDate() {
        return createDate;
    }

    public void setCreateDate(String createDate) {
        this.createDate = createDate;
    }

    public String getLstModDate() {
        return lstModDate;
    }

    public void setLstModDate(String lstModDate) {
        this.lstModDate = lstModDate;
    }
    
}

记录列表类 MemoirsActivity.java

package com.memoir.activity;

import java.util.ArrayList;
import java.util.List;

import net.tsz.afinal.FinalActivity;
import net.tsz.afinal.FinalDb;
import net.tsz.afinal.annotation.view.ViewInject;

import com.memoir.R;
import com.memoir.common.AndroidTools;
import com.memoir.common.TypeChangeFunction;
import com.memoir.configs.MemoirConfig;
import com.memoir.entity.Memoir;

import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.os.Bundle;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.AdapterView.OnItemLongClickListener;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.ListView;
import android.widget.TextView;

public class MemoirsActivity extends FinalActivity {
    // 定义选项菜单
    private static final int DB_ISNERT = 0x11;
    private static final int EXIT = 0x12;
    
    //listview
    @ViewInject(id=R.id.listMemoirs) ListView lv;
    @ViewInject(id=R.id.btnAdd,click="btnAddClick") Button btnAdd ; //注解控件对象和事件
    List<Memoir> mListViewData = new ArrayList<Memoir>();  
    
    ArrayList<String> al = new ArrayList<String>();
    FinalDb fd;//定义finaldb
    
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.memoirs);
        initListData();
        lv.setOnItemLongClickListener(new OnLvItemLongOnclick());
        lv.setOnItemClickListener(new OnLvItemclickListen());
    }
    
    public void btnAddClick(View v){
        Intent intent = new Intent(MemoirsActivity.this, AddMemoirActivity.class);
        this.startActivityForResult(intent, 30);
    }
    
    @Override
    public boolean onCreateOptionsMenu(Menu menu)
    {
        menu.add(0, DB_ISNERT, 0, "添加记录");
        menu.add(0, EXIT, 0, "退出程序");
        return super.onCreateOptionsMenu(menu);
    }
    
    /**
     * 初始化列表信息
     */
    private void initListData(){
        fd = FinalDb.create(this,MemoirConfig.DB_NAME);//创建数据库  后面参数为自定义库名 否则为FinalDb
        mListViewData.clear();  
        mListViewData.addAll(fd.findAll(Memoir.class));  
        mListAdapter.notifyDataSetChanged(); 
        lv.setAdapter(mListAdapter);
    
    }
    
    private BaseAdapter mListAdapter = new BaseAdapter() {  
        @Override
        public View getView(int position, View convertView, ViewGroup parent) {
            View item = View.inflate(MemoirsActivity.this, R.layout.listitem, null);  
            Memoir memo= mListViewData.get(position);  
            
            TextView txtID = (TextView) item.findViewById(R.id.textId);
            txtID.setVisibility(View.GONE);
            TextView txtTitle = (TextView) item.findViewById(R.id.txtTitle);
            TextView txtMemoir = (TextView) item.findViewById(R.id.txtMemoir);
            TextView txtCreateDate = (TextView) item.findViewById(R.id.txtCreateDate);
            TextView txtLstModDt = (TextView) item.findViewById(R.id.txtLstModDt);
            
            txtID.setText(memo.getId());  
            txtTitle.setText(getStringTxt(R.string.title)+" " +memo.getTitle());  
            txtMemoir.setText(getStringTxt(R.string.memoir)+" "+memo.getMemoir());  
            txtCreateDate.setText(getStringTxt(R.string.createdate)+" "+memo.getCreateDate());
            txtLstModDt.setText(getStringTxt(R.string.lstmoddate)+" "+memo.getLstModDate());
            return item;  
        }  
        
        @Override
        public long getItemId(int position) {  
            return position;  
        }  
          
        @Override
        public Object getItem(int position) {  
            return mListViewData.get(position);  
        }  
          
        @Override
        public int getCount() {  
            return mListViewData.size();  
        }

    };   
    
    @Override
    protected void onActivityResult(int requestCode, int resultCode,
            Intent intent) {
        if (intent != null) {
            if (resultCode==RESULT_OK){
//                al = intent.getStringArrayListExtra("data");
//                if (al.size()>0){
                    initListData();
//                }
            }
        }
    }
    
    @Override
    public boolean onOptionsItemSelected(MenuItem item){
        switch(item.getItemId())
        {
            case DB_ISNERT:
                // 跳转添加界面
                Intent intent = new Intent(MemoirsActivity.this, AddMemoirActivity.class);
                this.startActivityForResult(intent, 30);
                break;
            case EXIT:
                //退出
                AndroidTools.exitShowDialog(MemoirsActivity.this);
                break;
        }
        return super.onOptionsItemSelected(item);
    }

    
    /**
     * 
     * @param tag
     * @return
     */
    public String getStringTxt(int tag){
        return TypeChangeFunction.toString(MemoirsActivity.this.getResources().getText(tag));
    }
    
    /**
     * 菜单、返回键响应
     */
    @Override
    public boolean onKeyDown(int keyCode, KeyEvent event) {
        if (keyCode == KeyEvent.KEYCODE_BACK && event.getRepeatCount() == 0) {
            AndroidTools.exitBy2Click(this);
        }
        return false;
    }
    
    // listview点击事件
    class OnLvItemclickListen implements OnItemClickListener {
        @Override
        public void onItemClick(AdapterView<?> parent, View view, int position,
                long id) {
            //修改
            Intent intent = new Intent(MemoirsActivity.this, AddMemoirActivity.class);
            
            Memoir m = mListViewData.get(position);
            al.clear();
            al.add(0,m.getId());
            al.add(1,m.getTitle());
            al.add(2,m.getMemoir());
            al.add(3,m.getCreateDate());
            al.add(4,m.getLstModDate());
            intent.putStringArrayListExtra("data", al);
            MemoirsActivity.this.startActivityForResult(intent, 30);
        }

    }
    
    // listview长按事件
    class OnLvItemLongOnclick implements OnItemLongClickListener {
        @Override
        public boolean onItemLongClick(AdapterView<?> parent, View view,
                final int position, long id) {
            new AlertDialog.Builder(MemoirsActivity.this).setTitle("提示")
            .setMessage("是否确定删除选中的记录")
            .setPositiveButton("确定", new DialogInterface.OnClickListener() {
                @Override
                public void onClick(DialogInterface dialog, int which) {
//                    int positon = Integer.valueOf(v.getTag().toString());
                    Memoir memo = mListViewData.get(position);  
                    try{
                        //删除
                        fd.deleteById(Memoir.class, memo.getId());
                        
                        mListAdapter.notifyDataSetChanged();
                        lv.setAdapter(mListAdapter);
                    }catch(Exception e){
                        e.printStackTrace();
                    }

                }

            }).setNegativeButton("取消", null).show();
            return false;
        }

    }
}

添加修改记事类 AddMemoirActivity.java

package com.memoir.activity;

import java.util.ArrayList;
import com.memoir.R;
import com.memoir.common.DateUtils;
import com.memoir.common.GUID;
import com.memoir.common.Tools;
import com.memoir.configs.MemoirConfig;
import com.memoir.entity.Memoir;

import net.tsz.afinal.FinalActivity;
import net.tsz.afinal.FinalDb;
import net.tsz.afinal.annotation.view.ViewInject;

import android.os.Bundle;
import android.view.KeyEvent;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
import android.content.Intent;

public class AddMemoirActivity extends FinalActivity {
    
    @ViewInject(id=R.id.edtTitle) EditText edtTitle;
    @ViewInject(id=R.id.edtMemoir) EditText edtMemoir;
    @ViewInject(id=R.id.btnSave,click="btnSaveClick") Button btnSave;
    @ViewInject(id=R.id.btnCancel,click="btnCancelClick") Button btnCancel;

    ArrayList<String> al = new ArrayList<String>();
    boolean isSuccess = false;
    
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        super.setTitle("添加杂记");
        
        setContentView(R.layout.addmemoir);
        //接收数据
        if(this.getIntent().getStringArrayListExtra("data") !=null){ 
            al  = this.getIntent().getStringArrayListExtra("data"); 
            if (al.size()>0){
                edtTitle.setText(nullToString(al.get(1)));
                edtMemoir.setText(nullToString(al.get(2)));
            }
        }

    }
    
    /**
     * 
     * @param v
     */
    public void btnSaveClick(View v){
        String checkStr = checkForm();
        if ("".equals(checkStr)){
            String title = nullToString(edtTitle.getText()).trim();
            String memoir = nullToString(edtMemoir.getText()).trim();
            
            String createDate = "";
            String lstModDt = "";
            String ID="";
            if (!"".equals(nullToString(al.get(0)))){
                ID = nullToString(al.get(0));
                createDate = nullToString(al.get(3));
                
                if (!title.equals(nullToString(al.get(1)))|| !memoir.equals(nullToString(al.get(2)))){
                    lstModDt = Tools.nowDate();
                }else{
                    lstModDt = nullToString(al.get(4));
                }
            }else{
                ID = GUID.newGUID();
                createDate = DateUtils.getCurrDateStr();
                lstModDt = Tools.nowDate();
            }
            
            try {
                if (!title.equals(nullToString(al.get(1)))|| !memoir.equals(nullToString(al.get(2)))){
                    FinalDb fd = FinalDb.create(this,MemoirConfig.DB_NAME);
                    Memoir memo = new Memoir();
                    memo.setId(ID);
                    memo.setTitle(title);
                    memo.setMemoir(memoir);
                    memo.setCreateDate(createDate);
                    memo.setLstModDate(lstModDt);
    
                    if (!"".equals(nullToString(al.get(1)))){
                        fd.update(memo);
                    }else{
                        fd.save(memo);//此方法保存数据 通过源码 看出是把类中的属性转换为字段 进行拼接建表语句和插入数据
                    }
                    
    //                al.clear();
    //                al.add(0, ID);
    //                al.add(1, title);
    //                al.add(2, memoir);
    //                al.add(3, createDate);
    //                al.add(4, lstModDt);
                    isSuccess = true;
                }
                resultData();
                
            } catch (Exception e) {
                // TODO: handle exception
                showToast("添加失败！");
            }
            
        }else{
            showToast(checkStr);
        }
    }
    
    public String checkForm(){
        String str = "";
        if ("".equals(nullToString(edtTitle.getText()))){
            str = "标题不能为空！";
        }else if("".equals(nullToString(edtMemoir.getText()))){
            str = "内容不能为空！";
        }
        
        return str;
    }
    
    /**
     * 转换
     * @param str
     * @return
     */
    public String nullToString(Object obj){
        return obj==null?"":obj.toString();
    }
    
    /**
     * 
     * @param v
     */
    public void btnCancelClick(View v){
        resultData();
    }
    
     private void showToast(String strMsg){  
            Toast.makeText(this, strMsg, Toast.LENGTH_LONG).show();  
        }  
     
    /**
     * Back键监听
     */
    @Override
    public boolean onKeyDown(int keyCode, KeyEvent event)
    {
        if (keyCode == KeyEvent.KEYCODE_BACK)
        {
            resultData();
        }
        
        return false;
    }
        
    private void resultData(){
        Intent intent = new Intent();
        if (isSuccess){
//            intent.putStringArrayListExtra("data",al); 
            
            setResult(RESULT_OK, intent);
        }

        this.finish();
//        SysApplication.getInstance().moveActivity(this);
    }
    
}

 

• 使用@ViewInject一定要继承FinalActivity类 否则无效
• 运用中最新的0.5版本绑定事件有问题 此demo用0.3.3版本

附件源码下载

Memoir.rar