android litepal (or handwritten db is easy to use)

 

Guo Dashen's litepal is not flattering, it takes up the id problem~~~ 

 

myApplication

 

package com.baoy.demo.demolitepal;

import org.litepal.LitePalApplication;

import android.content.Context;
 
//com.baoy.demo.demolitepal.MyApplication
public class MyApplication extends LitePalApplication {

    private static Context mContext;

    @Override
    public void onCreate() {
        super.onCreate();
        mContext = getApplicationContext();
    }

    public static Context getmContext() {
        return mContext;
    }

    public static void setmContext( Context mContext ) {
        MyApplication.mContext = mContext;
    }

}

 

 

package com.baoy.demo.demolitepal.entity;

import java.io.Serializable;
import java.util.Date;

import android.database.Cursor;

//com.baoy.demo.demolitepal.entity.UserEntity
public class UserEntity extends BaseDBEntity implements Serializable{

	private long id;
	private long sid;
	private RelatsionEntity relatsionEntity;
	private String nikeName;
	private String realName;
	private String password;
	private String phone;
	private String mail;
	private Date lastUpdateTime;
	private Date insertTime;
	private String photo;
	
	@Override
	public long getId() {
		return this.id ;
	}


	public UserEntity(){}
	public UserEntity(long id ,long sid,  String nikeName, String realName,
			String password, String phone, String mail, Date lastUpdateTime,
			Date insertTime, String photo) {
		this.id = id;
		this.sid = sid;
		this.nikeName = nikeName;
		this.realName = realName;
		this.password = password;
		this.phone = phone;
		this.mail = mail;
		this.lastUpdateTime = lastUpdateTime;
		this.insertTime = insertTime;
		this.photo = photo;
	}

 
	public UserEntity (long id, RelatsionEntity relatsionEntity,
			String nikeName, String realName, String password, String phone,
			String mail, Date lastUpdateTime, Date insertTime, String photo) {
		this.id = id;
		this.relatsionEntity = relatsionEntity;
		this.nikeName = nikeName;
		this.realName = realName;
		this.password = password;
		this.phone = phone;
		this.mail = mail;
		this.lastUpdateTime = lastUpdateTime;
		this.insertTime = insertTime;
		this.photo = photo;
	}
	@Override
	public String toString() {
		return "UserEntity [id=" + id + ",sid=" + sid + ", relatsionEntity=" + relatsionEntity
				+ ", nikeName=" + nikeName + ", realName=" + realName
				+ ", password=" + password + ", phone=" + phone + ", mail="
				+ mail + ", lastUpdateTime=" + lastUpdateTime + ", insertTime="
				+ insertTime + ", photo=" + photo + "]";
	}
	public RelatsionEntity getRelatsionEntity () {
		return relatsionEntity;
	}

	public void setRelatsionEntity (RelatsionEntity relatsionEntity) {
		this.relatsionEntity = relatsionEntity;
	}
 
	public String getNikeName() {
		return nikeName;
	}

	public void setNikeName(String nikeName) {
		this.nikeName = nikeName;
	}

	public String getRealName() {
		return realName;
	}

	public void setRealName(String realName) {
		this.realName = realName;
	}

	public String getPassword() {
		return password;
	}

	public void setPassword(String password) {
		this.password = password;
	}

	public String getPhone() {
		return phone;
	}

	public void setPhone(String phone) {
		this.phone = phone;
	}

	public String getMail() {
		return mail;
	}

	public void setMail(String mail) {
		this.mail = mail;
	}

	public Date getLastUpdateTime() {
		return lastUpdateTime;
	}

	public void setLastUpdateTime(Date lastUpdateTime) {
		this.lastUpdateTime = lastUpdateTime;
	}

	public Date getInsertTime() {
		return insertTime;
	}

	public void setInsertTime(Date insertTime) {
		this.insertTime = insertTime;
	}

	public String getPhoto() {
		return photo;
	}

	public void setPhoto(String photo) {
		this.photo = photo;
	}

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

	public long getSid() {
		return sid;
	}

	public void setSid(long sid) {
		this.sid = sid;
	}


	
	
}

 

 

package com.baoy.demo.demolitepal;

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

import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.util.Log;

import com.baoy.demo.demolitepal.entity.RelatsionEntity;
import com.baoy.demo.demolitepal.entity.UserEntity;

//https://github.com/LitePalFramework/LitePal
public class MainActivity extends Activity {

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate (savedInstanceState);
		setContentView(R.layout.main);
		 
				init();
		
	}
 
	
	
	/*static UserEntity user1 =new UserEntity(1,1 ,"a","a","a","15011112222","[email protected]",new Date(),new Date(),"");
	static UserEntity user2 =new UserEntity(2,2 ,"b","b","b","15011112223","[email protected]",new Date(),new Date(),"");
	static UserEntity user3 =new UserEntity(3,3 ,"c","c","c","15011112224","[email protected]",new Date(),new Date(),"");
	
	
	static RelatsionEntity re1 = new RelatsionEntity(1,"朋友",new ArrayList<UserEntity>(){{add(user1);add(user2);}});
	static RelatsionEntity re2 = new RelatsionEntity(2,"同事",new ArrayList<UserEntity>(){{add(user3);}});*/
	
	
	
	private void init() {  
		UserEntity user1 =new UserEntity(1,1 ,"a","a","a","15011112222","[email protected]",new Date(),new Date(),"");
	    UserEntity user2 =new UserEntity(2,2 ,"b","b","b","15011112223","[email protected]",new Date(),new Date(),"");
		 UserEntity user3 =new UserEntity(3,3 ,"c","c","c","15011112224","[email protected]",new Date(),new Date(),"");
		user1.save();
		user2.save();
		user3.save();
		
		/*re1.save();
		re2.save();
		
		RelatsionEntity re1 = RelatsionEntity.find (RelatsionEntity.class, 1, true);
		System.out.println("RelatsionEntity : ==== " +re1.toString());
		
		System.out.println("UserEntity list ==== " + re1.getUserListFromDB(re1.getId()));
		
		UserEntity ue1 = UserEntity.find(UserEntity.class, 1,true);
		System.out.println("UserEntity : ==== " + ue1.toString());*/
		
	 
		UserEntity ue1 = UserEntity.findFirst(UserEntity.class);
		Log.e("baoyou","UserEntity 1: ==== " + ue1.toString());
		
		int deleteAll2 = UserEntity.deleteAll(UserEntity.class, "id>?", "1");
		boolean save2 = user1.save();
		
		UserEntity ue2 = UserEntity.findFirst(UserEntity.class);
		Log.e("baoyou","UserEntity 2: ==== "+deleteAll2+"---"+save2 +"--" + ue2 );
		
		int deleteAll3 = UserEntity.deleteAll(UserEntity.class, "id>?", "1");
		boolean save3 = user1.save();
		
		UserEntity ue3 = UserEntity.findFirst(UserEntity.class);
		Log.e("baoyou","UserEntity 3: ====  "+deleteAll3+"---"+save3 +"--"   + ue3);
		
		
	}
	
	

}

 

 

 

 

 

 

 

 

 

 

 

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