从sqlite的显示数据的ListView使用光标适配器 [英] show data from sqlite to listview using cursor adapter
问题描述
我想提出在那里数据被保存在数据库中的应用程序。但是我没有使用游标适配器列表视图中显示的数据。不知道是什么code应写。请检查。
这是我的code:
MainActivity.java
包com.example.employeedetailsnew;进口java.text.SimpleDateFormat的;
进口的java.util.Calendar;进口android.app.Activity;
进口android.app.ActionBar;
进口android.app.AlertDialog;
进口android.app.Fragment;
进口android.app.ProgressDialog;
进口android.content.DialogInterface;
进口android.content.Intent;
进口android.os.Bundle;
进口android.view.LayoutInflater;
进口android.view.Menu;
进口android.view.MenuItem;
进口android.view.View;
进口android.view.ViewGroup;
导入android.widget *。
进口android.os.Build;公共类MainActivity延伸活动{
私人的EditText NME = NULL;
私人的EditText NUM = NULL;
私人EmployeeDatabase empObj; @覆盖
公共无效的onCreate(捆绑savedInstanceState){
super.onCreate(savedInstanceState);
的setContentView(R.layout.activity_main);
NME =(EditText上)findViewById(R.id.name);
NUM =(EditText上)findViewById(R.id.ageemp);
按钮btnShowData =(按钮)findViewById(R.id.button1); btnShowData.setOnClickListener(新Button.OnClickListener(){ @覆盖
公共无效的onClick(视图v){ onSaveClick();
}}); } 公共无效onButtonClicked(查看视图){
日历C = Calendar.getInstance();
SimpleDateFormat的SDF =新的SimpleDateFormat(DD:MMMM:YYYY HH:MM:SS);
串strDate = sdf.format(c.getTime());
字符串的varName = nme.getText()的toString()。
字符串varAge = num.getText()的toString()。 empObj =新EmployeeDatabase(getApplicationContext());
empObj.insert(varName中,varAge,strDate); AlertDialog alertDialog = NULL;
alertDialog =新AlertDialog.Builder(MainActivity.this).create();
alertDialog.setTitle(信息);
alertDialog.setMessage(您已经注册);
alertDialog.setCancelable(真);
alertDialog.show();
nme.setText();
num.setText(); } 公共无效onSaveClick(){ 意向意图=新意图(这一点,ShowData.class);
startActivity(意向); } @覆盖
公共布尔onCreateOptionsMenu(菜单菜单){ //充气菜单;如果是present这增加了项目操作栏。
。getMenuInflater()膨胀(R.menu.main,菜单);
返回true;
} @覆盖
公共布尔onOptionsItemSelected(菜单项项){
//处理动作栏项目点击这里。操作栏会
//自动处理上点击主页/向上按钮,只要
//你在AndroidManifest.xml中指定一个父活动。
INT ID = item.getItemId();
如果(ID == R.id.action_settings){
返回true;
}
返回super.onOptionsItemSelected(项目);
} }
EmployeeDatabse.java
包com.example.employeedetailsnew;进口android.content.ContentValues;
进口android.content.Context;
进口android.database.Cursor;
进口android.database.sqlite.SQLiteDatabase;
进口android.database.sqlite.SQLiteOpenHelper;公共类EmployeeDatabase扩展SQLiteOpenHelper { EmployeeDatabase(上下文的背景下){
超级(上下文中,empdb.db,空,3); }@覆盖
公共无效的onCreate(SQLiteDatabase数据库)
{ //创建表在这里
database.execSQL(
CREATE TABLE employeedetailnew+
(Name文本,年龄TEXT,时间TEXT)
);}
@覆盖
公共无效onUpgrade(SQLiteDatabase数据库,诠释oldVersion,诠释静态网页)
{
database.execSQL(DROP TABLE IF EXISTS EMPLOYEEDETAILNEW);
的onCreate(数据库);
//这里处理数据库模式升级
}公共光标getDetails()
{
SQLiteDatabase分贝= getReadableDatabase();
返回db.rawQuery(选择名称,从employeedetailnew时代,NULL);
}
公共无效插入(字符串名称,字符串年龄,字符串时间)
{
长ROWID = 0;
尝试{
SQLiteDatabase分贝= getWritableDatabase();
ContentValues contentValues =新ContentValues();
contentValues.put(名,名);
contentValues.put(时代,年龄);
contentValues.put(时间,时间);
ROWID = db.insert(employeedetailnew,空,contentValues);
}赶上(例外五){
e.printStackTrace();
}
最后{
的System.out.println(rowid的是+ ROWID);
的System.out.println(名称为+姓名);
的System.out.println(年龄+时代);
的System.out.println(时间是+时间);
}
//插入到数据库这里
}公共布尔deleteTitle(字符串名称)
{
//删除不全code .. :(
SQLiteDatabase分贝= getWritableDatabase();
返回db.delete(employeedetailnew名称+=+名,NULL)> 0;
}
}
EmployeeDetailAdapter.java
包com.example.employeedetailsnew;进口的java.util.ArrayList;进口android.content.Context;
进口android.database.Cursor;
进口android.support.v4.widget.CursorAdapter;
进口android.view.LayoutInflater;
进口android.view.View;
进口android.view.ViewGroup;
进口android.widget.BaseAdapter;
进口android.widget.TextView;公共类EmployeeDetailAdapter扩展的CursorAdapter{
公共EmployeeDetailAdapter(上下文的背景下,光标C){
超(背景下,C);
// TODO自动生成构造函数存根
} @覆盖
公众诠释的getCount(){
// TODO自动生成方法存根
返回0;
} @覆盖
公共对象的getItem(INT位置){
// TODO自动生成方法存根
返回null;
} @覆盖
众长getItemId(INT位置){
// TODO自动生成方法存根
返回0;
} @覆盖
公共查看getView(INT索引,视图观点,父母的ViewGroup){
// TODO自动生成方法存根
如果(查看== NULL)
{
LayoutInflater充气= LayoutInflater.from(parent.getContext());
鉴于= inflater.inflate(R.layout.shows_view,父母,假);
} EmployeeOther empDtl = times.get(指数); TextView的nameTextView =(TextView中)view.findViewById(R.id.name1);
nameTextView.setText(empDtl.getName());
TextView的ageTextView =(TextView中)view.findViewById(R.id.age2);
ageTextView.setText(empDtl.getAge());
TextView的timeTextView =(TextView中)view.findViewById(R.id.time3);
timeTextView.setText(empDtl.getTime());
返回视图。
} @覆盖
公共无效bindView(查看视图,上下文的背景下,光标光标){
// TODO自动生成方法存根
TextView的nameTextView =(TextView中)view.findViewById(R.id.name1);
nameTextView.setText(cursor.getString(cursor.getColumnIndex(名称))); TextView的ageTextView =(TextView中)view.findViewById(R.id.name1);
ageTextView.setText(cursor.getString(cursor.getColumnIndex(时代))); TextView的timeTextView =(TextView中)view.findViewById(R.id.name1);
timeTextView.setText(cursor.getString(cursor.getColumnIndex(时代)));
} @覆盖
公共查看NewView的(上下文的背景下,光标光标的ViewGroup父){
// TODO自动生成方法存根
LayoutInflater充气= LayoutInflater.from(parent.getContext());
查看查看= inflater.inflate(R.layout.shows_list,父母,假);
返回视图。
}}
ShowData.java
包com.example.employeedetailsnew;进口的java.util.ArrayList;
进口的java.util.HashMap;
进口的java.util.List;
进口的java.util.Map;进口android.app.ListActivity;
进口android.database.Cursor;
进口android.os.Bundle;
进口android.util.Log;
进口android.widget.ListView;
进口android.widget.SimpleAdapter;公共类ShowData扩展ListActivity
{
私人EmployeeDatabase databaseHelper;
公共无效的onCreate(捆绑savedInstanceState){
super.onCreate(savedInstanceState);
EmployeeDatabase empClick =新EmployeeDatabase(getApplicationContext());
光标光标= empClick.getDetails();
如果(cursor.moveToFirst())
{
做
{
字符串名称= cursor.getString(1);
串笔记= cursor.getString(2);
字符串时间= cursor.getString(3);
//东西必须写在这里
}而(cursor.moveToNext());
}
如果(!cursor.isClosed())
{
cursor.close();
} }
}
activity_main.xml中
<的RelativeLayout的xmlns:机器人=http://schemas.android.com/apk/res/android
的xmlns:工具=http://schemas.android.com/tools
机器人:layout_width =match_parent
机器人:layout_height =match_parent 机器人:paddingBottom会=@扪/ activity_vertical_margin
机器人:paddingLeft =@扪/ activity_horizontal_margin
机器人:paddingRight =@扪/ activity_horizontal_margin
机器人:paddingTop =@扪/ activity_vertical_margin
工具:上下文=$ com.example.employeedetailsnew.MainActivity PlaceholderFragment> <的EditText
机器人:ID =@ + ID /名称
机器人:layout_width =WRAP_CONTENT
机器人:layout_height =WRAP_CONTENT
机器人:layout_alignLeft =@ + ID / empname
机器人:layout_below =@ + ID / empname
机器人:layout_marginTop =19dp
机器人:EMS =10
安卓的inputType =textPersonName> < requestFocus的/>
< /&的EditText GT; <的TextView
机器人:ID =@ + ID / textView1
机器人:layout_width =WRAP_CONTENT
机器人:layout_height =WRAP_CONTENT
机器人:layout_alignLeft =@ + ID /子
机器人:layout_below =@ + ID /子
机器人:layout_marginTop =24dp/> <的TextView
机器人:ID =@ + ID / textView2
机器人:layout_width =WRAP_CONTENT
机器人:layout_height =WRAP_CONTENT
机器人:layout_alignLeft =@ + ID / textView1
机器人:layout_below =@ + ID / textView1/> <的TextView
机器人:ID =@ + ID / empname
机器人:layout_width =WRAP_CONTENT
机器人:layout_height =WRAP_CONTENT
机器人:layout_alignParentLeft =真
机器人:layout_alignParentTop =真
机器人:layout_marginLeft =46dp
机器人:layout_marginTop =27dp 机器人:文字=@字符串/ name_of_the_employee/> <的TextView
机器人:ID =@ + ID /时代
机器人:layout_width =WRAP_CONTENT
机器人:layout_height =WRAP_CONTENT
机器人:layout_alignLeft =@ + ID /名称
机器人:layout_below =@ + ID /名称
机器人:layout_marginTop =16DP 机器人:文字=@字符串/ age_of_the_employee/> <的EditText
机器人:ID =@ + ID / ageemp
机器人:layout_width =WRAP_CONTENT
机器人:layout_height =WRAP_CONTENT
机器人:layout_alignLeft =@ + ID /时代
机器人:layout_below =@ + ID /时代
机器人:EMS =10
安卓的inputType =numberSigned/> <按钮
机器人:ID =@ + ID /子
机器人:layout_width =match_parent
机器人:layout_height =WRAP_CONTENT
机器人:layout_alignRight =@ + ID /按钮1
机器人:layout_centerVertical =真
安卓的onClick =onButtonClicked
机器人:文字=@字符串/子/> <按钮
机器人:ID =@ + ID /按钮1
机器人:layout_width =match_parent
机器人:layout_height =WRAP_CONTENT
机器人:layout_alignTop =@ + ID / textView1
机器人:layout_centerHorizontal =真
机器人:文字=@字符串/ show_data/>
< / RelativeLayout的>
shows_list.xml
<?XML版本=1.0编码=UTF-8&GT?;
< LinearLayout中的xmlns:机器人=http://schemas.android.com/apk/res/android
机器人:layout_width =match_parent
机器人:layout_height =match_parent
机器人:方向=垂直> < ListView控件
机器人:ID =@ + ID / list_view
机器人:layout_width =match_parent
机器人:layout_height =WRAP_CONTENT>
< /&的ListView GT;< / LinearLayout中>
shows_view.xml
<?XML版本=1.0编码=UTF-8&GT?;
< LinearLayout中的xmlns:机器人=http://schemas.android.com/apk/res/android
机器人:layout_width =match_parent
机器人:layout_height =match_parent
机器人:方向=垂直> <的TextView
机器人:ID =@ + ID /名1
机器人:layout_width =FILL_PARENT
机器人:layout_height =WRAP_CONTENT
机器人:文字=TextView的/> <的TextView
机器人:ID =@ + ID / AGE2
机器人:layout_width =FILL_PARENT
机器人:layout_height =WRAP_CONTENT
机器人:文字=TextView的/> <的TextView
机器人:ID =@ + ID /时间3
机器人:layout_width =FILL_PARENT
机器人:layout_height =WRAP_CONTENT
机器人:文字=TextView的/>< / LinearLayout中>
修改 getDetails()
的 EmployeeDatabase
与低于code
公共光标getDetails()
{
SQLiteDatabase分贝= getReadableDatabase();
返回db.rawQuery(选择ROWID _id,姓名,年龄,从employeedetailnew时间,NULL);
}
和变化 ShowData.java的
的onCreate()
如下,
@覆盖
公共无效的onCreate(捆绑savedInstanceState){
super.onCreate(savedInstanceState);
EmployeeDatabase empClick =新EmployeeDatabase(getApplicationContext());
光标光标= empClick.getDetails();
如果(指针!= NULL)
getListView()。setAdapter(
新android.support.v4.widget.SimpleCursorAdapter(EmptyClass.this,R.layout.shows_view,光标,新的String [] {
姓名,年龄,时间
},新的INT [] {R.id.name1,R.id.age2,R.id.time3},0));
}
和办理 SimpleCursorAdapter
和这个例子
i am making a application where data is being saved in the database. but i am lacking in displaying the data in the list view using cursor adapter. don't know what code should be written. please check.
here is my code: MainActivity.java
package com.example.employeedetailsnew;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import android.app.Activity;
import android.app.ActionBar;
import android.app.AlertDialog;
import android.app.Fragment;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.*;
import android.os.Build;
public class MainActivity extends Activity {
private EditText nme = null;
private EditText num = null;
private EmployeeDatabase empObj;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
nme = (EditText) findViewById(R.id.name);
num = (EditText) findViewById(R.id.ageemp);
Button btnShowData = (Button) findViewById(R.id.button1);
btnShowData.setOnClickListener(new Button.OnClickListener() {
@Override
public void onClick(View v) {
onSaveClick();
} });
}
public void onButtonClicked(View view) {
Calendar c = Calendar.getInstance();
SimpleDateFormat sdf = new SimpleDateFormat("dd:MMMM:yyyy HH:mm:ss a");
String strDate = sdf.format(c.getTime());
String varName = nme.getText().toString();
String varAge = num.getText().toString();
empObj = new EmployeeDatabase(getApplicationContext());
empObj.insert(varName,varAge,strDate);
AlertDialog alertDialog = null;
alertDialog = new AlertDialog.Builder(MainActivity.this).create();
alertDialog.setTitle("Message");
alertDialog.setMessage("You have been Registered");
alertDialog.setCancelable(true);
alertDialog.show();
nme.setText("");
num.setText("");
}
public void onSaveClick(){
Intent intent = new Intent(this, ShowData.class);
startActivity(intent);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
}
EmployeeDatabse.java
package com.example.employeedetailsnew;
import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;
public class EmployeeDatabase extends SQLiteOpenHelper{
EmployeeDatabase (Context context) {
super(context, "empdb.db", null,3);
}
@Override
public void onCreate(SQLiteDatabase database)
{
// create your table here
database.execSQL(
"create table employeedetailnew" +
"(name TEXT , age TEXT, time TEXT)"
);
}
@Override
public void onUpgrade(SQLiteDatabase database, int oldVersion, int newVersion)
{
database.execSQL("DROP TABLE IF EXISTS EMPLOYEEDETAILNEW");
onCreate(database);
// handle database schema upgrades in here
}
public Cursor getDetails()
{
SQLiteDatabase db = getReadableDatabase();
return db.rawQuery("select name, age from employeedetailnew", null);
}
public void insert(String name, String age, String time)
{
long rowId = 0;
try{
SQLiteDatabase db = getWritableDatabase();
ContentValues contentValues = new ContentValues();
contentValues.put("name", name);
contentValues.put("age", age);
contentValues.put("time", time);
rowId = db.insert("employeedetailnew", null, contentValues);
}catch(Exception e){
e.printStackTrace();
}
finally{
System.out.println("The rowId is "+rowId);
System.out.println("Name is "+name);
System.out.println("Age is "+age);
System.out.println("Time is "+time);
}
// insert into database here
}
public boolean deleteTitle(String name)
{
// incomplete delete code..:(
SQLiteDatabase db = getWritableDatabase();
return db.delete("employeedetailnew", name + "=" + name, null) > 0;
}
}
EmployeeDetailAdapter.java
package com.example.employeedetailsnew;
import java.util.ArrayList;
import android.content.Context;
import android.database.Cursor;
import android.support.v4.widget.CursorAdapter;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.TextView;
public class EmployeeDetailAdapter extends CursorAdapter
{
public EmployeeDetailAdapter(Context context, Cursor c) {
super(context, c);
// TODO Auto-generated constructor stub
}
@Override
public int getCount() {
// TODO Auto-generated method stub
return 0;
}
@Override
public Object getItem(int position) {
// TODO Auto-generated method stub
return null;
}
@Override
public long getItemId(int position) {
// TODO Auto-generated method stub
return 0;
}
@Override
public View getView(int index, View view, ViewGroup parent) {
// TODO Auto-generated method stub
if (view == null)
{
LayoutInflater inflater = LayoutInflater.from(parent.getContext());
view = inflater.inflate(R.layout.shows_view, parent, false);
}
EmployeeOther empDtl = times.get(index);
TextView nameTextView = (TextView) view.findViewById(R.id.name1);
nameTextView.setText(empDtl.getName());
TextView ageTextView = (TextView) view.findViewById(R.id.age2);
ageTextView.setText(empDtl.getAge());
TextView timeTextView = (TextView) view.findViewById(R.id.time3);
timeTextView.setText(empDtl.getTime());
return view;
}
@Override
public void bindView(View view, Context context, Cursor cursor) {
// TODO Auto-generated method stub
TextView nameTextView = (TextView) view.findViewById(R.id.name1);
nameTextView.setText(cursor.getString(cursor.getColumnIndex("name")));
TextView ageTextView = (TextView) view.findViewById(R.id.name1);
ageTextView.setText(cursor.getString(cursor.getColumnIndex("age")));
TextView timeTextView = (TextView) view.findViewById(R.id.name1);
timeTextView.setText(cursor.getString(cursor.getColumnIndex("time")));
}
@Override
public View newView(Context context, Cursor cursor, ViewGroup parent) {
// TODO Auto-generated method stub
LayoutInflater inflater = LayoutInflater.from (parent.getContext());
View view = inflater.inflate(R.layout.shows_list, parent, false);
return view;
}
}
ShowData.java
package com.example.employeedetailsnew;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import android.app.ListActivity;
import android.database.Cursor;
import android.os.Bundle;
import android.util.Log;
import android.widget.ListView;
import android.widget.SimpleAdapter;
public class ShowData extends ListActivity
{
private EmployeeDatabase databaseHelper;
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
EmployeeDatabase empClick = new EmployeeDatabase(getApplicationContext());
Cursor cursor = empClick.getDetails();
if (cursor.moveToFirst())
{
do
{
String name = cursor.getString(1);
String notes = cursor.getString(2);
String time = cursor.getString(3);
// something must be written here
} while (cursor.moveToNext());
}
if (!cursor.isClosed())
{
cursor.close();
}
}
}
activity_main.xml
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context="com.example.employeedetailsnew.MainActivity$PlaceholderFragment" >
<EditText
android:id="@+id/name"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/empname"
android:layout_below="@+id/empname"
android:layout_marginTop="19dp"
android:ems="10"
android:inputType="textPersonName" >
<requestFocus />
</EditText>
<TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/sub"
android:layout_below="@+id/sub"
android:layout_marginTop="24dp" />
<TextView
android:id="@+id/textView2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/textView1"
android:layout_below="@+id/textView1" />
<TextView
android:id="@+id/empname"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
android:layout_marginLeft="46dp"
android:layout_marginTop="27dp"
android:text="@string/name_of_the_employee" />
<TextView
android:id="@+id/age"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/name"
android:layout_below="@+id/name"
android:layout_marginTop="16dp"
android:text="@string/age_of_the_employee" />
<EditText
android:id="@+id/ageemp"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/age"
android:layout_below="@+id/age"
android:ems="10"
android:inputType="numberSigned" />
<Button
android:id="@+id/sub"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignRight="@+id/button1"
android:layout_centerVertical="true"
android:onClick="onButtonClicked"
android:text="@string/sub" />
<Button
android:id="@+id/button1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignTop="@+id/textView1"
android:layout_centerHorizontal="true"
android:text="@string/show_data" />
</RelativeLayout>
shows_list.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" >
<ListView
android:id="@+id/list_view"
android:layout_width="match_parent"
android:layout_height="wrap_content" >
</ListView>
</LinearLayout>
shows_view.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:id="@+id/name1"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="TextView" />
<TextView
android:id="@+id/age2"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="TextView" />
<TextView
android:id="@+id/time3"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="TextView" />
</LinearLayout>
Change getDetails()
of EmployeeDatabase
with below code
public Cursor getDetails()
{
SQLiteDatabase db = getReadableDatabase();
return db.rawQuery("select rowid _id,name, age,time from employeedetailnew", null);
}
and change ShowData.java's
onCreate()
as below,
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
EmployeeDatabase empClick = new EmployeeDatabase(getApplicationContext());
Cursor cursor = empClick.getDetails();
if(cursor !=null)
getListView().setAdapter(
new android.support.v4.widget.SimpleCursorAdapter(EmptyClass.this, R.layout.shows_view, cursor, new String[] {
"name", "age", "time"
}, new int[] {R.id.name1,R.id.age2,R.id.time3}, 0));
}
and go through SimpleCursorAdapter
and this example
这篇关于从sqlite的显示数据的ListView使用光标适配器的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!