SQLiteActivity file
PictureHelper file:
DatabaseHelper file:
Picture class file:
package com.example.irscu;
import com.example.database.Picture;
import com.example.helper.Picturehelper;
import android.os.Bundle;
import android.app.Activity;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.TextView;
public class SQLiteActivity extends Activity {
private Picturehelper pHelper;
private Button add;
private Button clear;
private Button delete;
private Button query;
private Button queryAll;
private Button update;
private Button deleteAll;
private EditText nameEdit;
private EditText IdEdit;
private TextView lableView,displayView;
ImageView imageView1;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate (savedInstanceState);
setContentView(R.layout.main);
add=(Button) findViewById(R.id.btn_add);
delete= (Button) findViewById(R.id.btn_delete);
deleteAll=(Button) findViewById(R.id.btn_deleteAll);
clear=(Button) findViewById(R.id.btn_clear);
query=(Button) findViewById(R.id.btn_query);
queryAll=(Button) findViewById(R.id.btn_queryAll);
update=(Button) findViewById(R.id.btn_update);
nameEdit=(EditText) findViewById(R.id.nameEdit);
IdEdit=(EditText)findViewById(R.id.IdEdit);
lableView=(TextView) findViewById(R.id.lable);
displayView=(TextView) findViewById(R.id.display);
pHelper=new Picturehelper(this);
pHelper.open();
//add new data
add.setOnClickListener(new OnClickListener() {
public void onClick(View v){
Picture.NAME=nameEdit.getText().toString();
Picture.ID=IdEdit.getText().toString();
long column=pHelper.insert(new Picture());
nameEdit.setText("");
IdEdit.setText("");
if(column== -1) {
lableView.setText("Add error");
}
else{
lableView.setText("Added data successfully, ID"+String.valueOf( Picture.ID));
}
}
} );
//ID query
query.setOnClickListener(new OnClickListener()
{
public void onClick(View v){
String id=IdEdit.getText().toString();
pHelper.queryOneData(id);
}
});
// query all
queryAll.setOnClickListener(new OnClickListener() {
public void onClick(View v){
pHelper.query();
}
}
);
// clear the display
clear.setOnClickListener(new OnClickListener()
{
public void onClick(View v){
pHelper.deleteAll();
lableView.setText("Clear all data");
displayView.setText("");
}
});
//ID delete
delete.setOnClickListener(new OnClickListener()
{
public void onClick(View v){
String id=IdEdit.getText().toString();
pHelper.delete(id); //There is a problem
lableView.setText("Delete the data whose ID is "+IdEdit.getText().toString()+"");
}
}
);
// delete all data
deleteAll.setOnClickListener(new OnClickListener()
{
public void onClick(View v){
pHelper.deleteAll();
lableView.setText("Delete all data");
displayView.setText("");
}
}
);
//update data
update.setOnClickListener(new OnClickListener()
{
public void onClick(View v){
String id=IdEdit.getText().toString();
Picture.NAME=nameEdit.getText().toString();
long count=pHelper.update(id);
if(count==-1){
lableView.setText("Update Error");
displayView.setText("");
}
else
{
lableView.setText("Successful update"+"Update data first"+String.valueOf(id)+"Article");
}
}
});
}
}
PictureHelper file:
package com.example.irscu;
import com.example.database.Picture;
import com.example.helper.Picturehelper;
import android.os.Bundle;
import android.app.Activity;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.TextView;
public class SQLiteActivity extends Activity {
private Picturehelper pHelper;
private Button add;
private Button clear;
private Button delete;
private Button query;
private Button queryAll;
private Button update;
private Button deleteAll;
private EditText nameEdit;
private EditText IdEdit;
private TextView lableView,displayView;
ImageView imageView1;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate (savedInstanceState);
setContentView(R.layout.main);
add=(Button) findViewById(R.id.btn_add);
delete= (Button) findViewById(R.id.btn_delete);
deleteAll=(Button) findViewById(R.id.btn_deleteAll);
clear=(Button) findViewById(R.id.btn_clear);
query=(Button) findViewById(R.id.btn_query);
queryAll=(Button) findViewById(R.id.btn_queryAll);
update=(Button) findViewById(R.id.btn_update);
nameEdit=(EditText) findViewById(R.id.nameEdit);
IdEdit=(EditText)findViewById(R.id.IdEdit);
lableView=(TextView) findViewById(R.id.lable);
displayView=(TextView) findViewById(R.id.display);
pHelper=new Picturehelper(this);
pHelper.open();
//add new data
add.setOnClickListener(new OnClickListener() {
public void onClick(View v){
Picture.NAME=nameEdit.getText().toString();
Picture.ID=IdEdit.getText().toString();
long column=pHelper.insert(new Picture());
nameEdit.setText("");
IdEdit.setText("");
if(column== -1) {
lableView.setText("Add error");
}
else{
lableView.setText("Added data successfully, ID"+String.valueOf( Picture.ID));
}
}
} );
//ID query
query.setOnClickListener(new OnClickListener()
{
public void onClick(View v){
String id=IdEdit.getText().toString();
pHelper.queryOneData(id);
}
});
// query all
queryAll.setOnClickListener(new OnClickListener() {
public void onClick(View v){
pHelper.query();
}
}
);
// clear the display
clear.setOnClickListener(new OnClickListener()
{
public void onClick(View v){
pHelper.deleteAll();
lableView.setText("Clear all data");
displayView.setText("");
}
});
//ID delete
delete.setOnClickListener(new OnClickListener()
{
public void onClick(View v){
String id=IdEdit.getText().toString();
pHelper.delete(id); //There is a problem
lableView.setText("Delete the data whose ID is "+IdEdit.getText().toString()+"");
}
}
);
// delete all data
deleteAll.setOnClickListener(new OnClickListener()
{
public void onClick(View v){
pHelper.deleteAll();
lableView.setText("Delete all data");
displayView.setText("");
}
}
);
//update data
update.setOnClickListener(new OnClickListener()
{
public void onClick(View v){
String id=IdEdit.getText().toString();
Picture.NAME=nameEdit.getText().toString();
long count=pHelper.update(id);
if(count==-1){
lableView.setText("Update Error");
displayView.setText("");
}
else
{
lableView.setText("Successful update"+"Update data first"+String.valueOf(id)+"Article");
}
}
});
}
}
DatabaseHelper file:
<pre name="code" class="java">package com.example.database;
import android.content.Context;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;
import android.database.sqlite.SQLiteDatabase.CursorFactory;
public class DatabaseHelper extends SQLiteOpenHelper {
public DatabaseHelper(Context context, String name, CursorFactory factory,
int version) {
super(context, name, factory, version);
}
//Create a database where the location is stored
/**
static final String CREATE_DESTINATION_TABLE_SQL = "create table " + Destination.TABLE_NAME
+ "("
+ Destination.ID + " integer primary key autoincrement,"
+ Destination.LONGITUDE + " text,"
+ Destination.LATITUDE+ " text,"
+ ");";
**/
//Create a database of photos taken and published moods
static final String CREATE_PICYURES_TABLE_SQL = "create table " + Picture.TABLE_NAME
+ " ("
+Picture.ID +" text primary key ,"
+Picture.PIC +" text,"
+Picture.EMOTION + " text,"
+Picture.GPS +" text,"
+Picture.NAME+" text,"
+Picture.PATH+" text);";
@Override
public void onCreate(SQLiteDatabase db) {
//db.execSQL(CREATE_DESTINATION_TABLE_SQL) ;
db.execSQL(CREATE_PICYURES_TABLE_SQL);
}
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
String sql = "DROP TABLE IF EXISTS " + Picture.TABLE_NAME;
db.execSQL(sql);
onCreate(db);
}
}
Picture class file:
package com.example.database;
import android.content.Context;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;
import android.database.sqlite.SQLiteDatabase.CursorFactory;
public class DatabaseHelper extends SQLiteOpenHelper {
public DatabaseHelper(Context context, String name, CursorFactory factory,
int version) {
super(context, name, factory, version);
}
//Create a database where the location is stored
/**
static final String CREATE_DESTINATION_TABLE_SQL = "create table " + Destination.TABLE_NAME
+ "("
+ Destination.ID + " integer primary key autoincrement,"
+ Destination.LONGITUDE + " text,"
+ Destination.LATITUDE+ " text,"
+ ");";
**/
//Create a database of photos taken and published moods
static final String CREATE_PICYURES_TABLE_SQL = "create table " + Picture.TABLE_NAME
+ " ("
+Picture.ID +" text primary key ,"
+Picture.PIC +" text,"
+Picture.EMOTION + " text,"
+Picture.GPS +" text,"
+Picture.NAME+" text,"
+Picture.PATH+" text);";
@Override
public void onCreate(SQLiteDatabase db) {
//db.execSQL(CREATE_DESTINATION_TABLE_SQL) ;
db.execSQL(CREATE_PICYURES_TABLE_SQL);
}
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
String sql = "DROP TABLE IF EXISTS " + Picture.TABLE_NAME;
db.execSQL(sql);
onCreate(db);
}
}