Dbutils

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package com.example.dbutils;import java.util.ArrayList;import java.util.List;import com.lidroid.xutils.DbUtils;import com.lidroid.xutils.exception.DbException;import android.app.Activity;import android.os.Bundle;import android.util.Log;import android.view.View;public class MainActivity extends Activity {private DbUtils create;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);//根据第一个参数进行删改create = DbUtils.create(this, "android.db");try {//当没有这张表的时候自动创建create.createTableIfNotExist(Android.class);} catch (DbException e) {e.printStackTrace();}}public void add(View v) {try {create.save(new Android(1, "张三", "23", "北京"));} catch (DbException e) {e.printStackTrace();}}public void delete(View v) {try {create.delete(new Android(3, null, null, null));} catch (DbException e) {e.printStackTrace();}}public void update(View v) {try {create.update(new Android(5, "李四", "18", "上海"));} catch (DbException e) {e.printStackTrace();}}public void select(View v) {try {List<Android> findAll = create.findAll(Android.class);for (Android a : findAll) {Log.i("android", a.toString());}} catch (DbException e) {e.printStackTrace();}}}
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