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package com.example.gumtree;
import android.app.Activity;
import android.content.Intent;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.graphics.Color;
import android.graphics.Typeface;
import android.os.Bundle;
import android.text.Editable;
import android.text.TextWatcher;
import android.view.Menu;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TableLayout;
import android.widget.TableRow;
import android.widget.TextView;
import android.widget.Toast;
public class Book extends Activity {
String booktitle,bookprice,phonenumber;
SQLiteDatabase db;
TableRow tableRow;
TextView textView,textView1,textView2,textView3,textView4,textView5;
private EditText title,price,phone;
private Button postButton;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.book);
db=openOrCreateDatabase("MyDB1",MODE_PRIVATE, null);
db.execSQL("CREATE TABLE IF NOT EXISTS Book(booktitle VARCHAR,bookprice VARCHAR, phonenumber INTEGER(10));");
registerViews();
}
public void data(View view)
{
EditText edittext1=(EditText )findViewById(R.id.firstname);
EditText edittext2=(EditText )findViewById(R.id.lastname);
EditText edittext3=(EditText )findViewById(R.id.email);
booktitle=edittext1.getText().toString();
bookprice=edittext2.getText().toString();
phonenumber=edittext3.getText().toString();
db.execSQL("INSERT INTO Book VALUES('"+booktitle+"','"+bookprice+"','"+phonenumber+"');");
}
public void showdata(View view)
{
Cursor c=db.rawQuery("SELECT * from Book", null);
int count= c.getCount();
c.moveToFirst();
TableLayout tableLayout = new TableLayout(getApplicationContext());
tableLayout.setVerticalScrollBarEnabled(true);
TableRow tableRow;
TextView textView,textView1,textView2,textView3,textView4,textView5;
tableRow = new TableRow(getApplicationContext());
textView=new TextView(getApplicationContext());
textView.setText("Title");
textView.setTextColor(Color.RED);
textView.setTypeface(null, Typeface.BOLD);
textView.setPadding(20, 20, 20, 20);
tableRow.addView(textView);
textView4=new TextView(getApplicationContext());
textView4.setText("Price");
textView4.setTextColor(Color.RED);
textView4.setTypeface(null, Typeface.BOLD);
textView4.setPadding(20, 20, 20, 20);
tableRow.addView(textView4);
textView5=new TextView(getApplicationContext());
textView5.setText("PhoneNo");
textView5.setTextColor(Color.RED);
textView5.setTypeface(null, Typeface.BOLD);
textView5.setPadding(20, 20, 20, 20);
tableRow.addView(textView5);
tableLayout.addView(tableRow);
for (Integer j = 0; j < count; j++)
{
tableRow = new TableRow(getApplicationContext());
textView1 = new TextView(getApplicationContext());
textView1.setText(c.getString(c.getColumnIndex("booktitle")));
textView2 = new TextView(getApplicationContext());
textView2.setText(c.getString(c.getColumnIndex("bookprice")));
textView3 = new TextView(getApplicationContext());
textView3.setText(c.getString(c.getColumnIndex("phonenumber")));
textView1.setPadding(20, 20, 20, 20);
textView2.setPadding(20, 20, 20, 20);
textView3.setPadding(20, 20, 20, 20);
tableRow.addView(textView1);
tableRow.addView(textView2);
tableRow.addView(textView3);
tableLayout.addView(tableRow);
c.moveToNext() ;
}
setContentView(tableLayout);
db.close();
}
// validate text fields
private void registerViews() {
title = (EditText) findViewById(R.id.firstname);
// TextWatcher would let to check validation error on the fly
title.addTextChangedListener(new TextWatcher() {
public void afterTextChanged(Editable s) {
Validation.hasText(title);
}
public void beforeTextChanged(CharSequence s, int start, int count, int after){}
public void onTextChanged(CharSequence s, int start, int before, int count){}
});
price = (EditText) findViewById(R.id.lastname);
price.addTextChangedListener(new TextWatcher() {
// after every change has been made to this editText, we would like to check validity
public void afterTextChanged(Editable s) {
Validation.isPrice(price, true);
}
public void beforeTextChanged(CharSequence s, int start, int count, int after){}
public void onTextChanged(CharSequence s, int start, int before, int count){}
});
phone = (EditText) findViewById(R.id.email);
phone.addTextChangedListener(new TextWatcher() {
public void afterTextChanged(Editable s) {
Validation.isPhoneNumber(phone, false);
}
public void beforeTextChanged(CharSequence s, int start, int count, int after){}
public void onTextChanged(CharSequence s, int start, int before, int count){}
});
postButton = (Button) findViewById(R.id.buttonP);
postButton.setonclickListener(new View.onclickListener() {
@Override
public void onclick(View view) {
/*
Validation class will check the error and display the error on respective fields
but it won't resist the form submission, so we need to check again before submit
*/
if ( checkValidation () )
submitForm();
else
Toast.makeText(Book.this, "INCORRECT INPUTS", Toast.LENGTH_LONG).show();
}
});
}
private void submitForm() {
// Submit your form here. your form is valid
Toast.makeText(this, "Advert Has Been Posted", Toast.LENGTH_LONG).show();
}
private boolean checkValidation() {
boolean ret = true;
if (!Validation.hasText(title)) ret = false;
if (!Validation.isPrice(price, true)) ret = false;
if (!Validation.isPhoneNumber(phone, false)) ret = false;
return ret;
}
//end of text fields validation
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.activity_main, menu);
return true;
}
public void handleClick1(View v){
Intent intent = new Intent ();
intent.setClass (this,Book.class);
startActivity(intent);
}
}
and the xml code
<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:background="@drawable/rtv"
android:gravity="right" >
<Button
android:id="@+id/button3"
style="?android:attr/buttonStyleSmall"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_alignParentLeft="true"
android:layout_alignParentRight="true"
android:onclick="showdata"
android:text="@string/sho"
tools:ignore="HardcodedText" />
<TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_centerVertical="true"
android:text="@string/descr"
android:textColor="#ffffff"
tools:ignore="HardcodedText" />
<ImageView
android:id="@+id/imageView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:src="@drawable/b"
tools:ignore="ContentDescription" />
<TextView
android:id="@+id/textView4"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/imageView1"
android:textColor="#ffffff"
android:text="@string/adv"
android:textAppearance="?android:attr/textAppearanceSmall" />
<Button
android:id="@+id/buttonP"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_above="@+id/button3"
android:layout_alignParentLeft="true"
android:layout_alignParentRight="true"
android:onclick="data"
android:text="@string/post"
tools:ignore="HardcodedText" />
<EditText
android:id="@+id/firstname"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/lastname"
android:layout_alignParentRight="true"
android:layout_alignTop="@+id/textView1"
android:background="#ffffff"
android:ems="10"
android:inputType="text"
tools:ignore="TextFields" />
<TextView
android:id="@+id/textView2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBottom="@+id/lastname"
android:layout_alignParentLeft="true"
android:layout_below="@+id/firstname"
android:layout_marginTop="30dp"
android:text="@string/p"
android:textColor="#ffffff"
tools:ignore="HardcodedText" />
<EditText
android:id="@+id/lastname"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_below="@+id/firstname"
android:layout_marginTop="31dp"
android:background="#ffffff"
android:ems="10"
android:inputType="text"
tools:ignore="TextFields" />
<TextView
android:id="@+id/textView3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignTop="@+id/email"
android:text="@string/phone"
android:textColor="#ffffff"
tools:ignore="HardcodedText" />
<EditText
android:id="@+id/email"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_above="@+id/buttonP"
android:layout_alignParentRight="true"
android:layout_marginBottom="19dp"
android:background="#ffffff"
android:ems="10"
android:inputType="number"
tools:ignore="TextFields" >
<requestFocus />
</EditText>
</RelativeLayout>
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