Android For All: contact application

Constructor
package com.contacts;

import android.graphics.Bitmap;

public class Constructor {

String name;
String number;
String email;
Bitmap image;

public Constructor(Bitmap image, String name, String number,String email) {
this.image=image;
this.name = name;
this.number = number;
this.email=email;

}
public Bitmap Image(){
return image;
}
public String Name() {
return name;
}

public String Number() {
return number;
}

public String Email() {
return email;
}

}

contact

package com.contacts;

import android.app.Activity;

import android.content.Intent;

import android.graphics.Bitmap;

import android.graphics.BitmapFactory;

import android.os.Bundle;

import android.view.View;

import android.widget.Button;

import android.widget.EditText;

import android.widget.ImageView;

public class contact extends Activity {

Database data;

EditText name,number,email;

Button addimage,save,enterdetails,showdetails;

ImageView image;

Bitmap b;

/** Called when the activity is first created. */

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.main);

data=new Database(this);

name=(EditText)findViewById(R.id.name);

number=(EditText)findViewById(R.id.number);

email=(EditText)findViewById(R.id.Email);

addimage=(Button)findViewById(R.id.getimage);

save=(Button)findViewById(R.id.save);

enterdetails=(Button)findViewById(R.id.details);

showdetails=(Button)findViewById(R.id.show);

image=(ImageView)findViewById(R.id.imageView1);

enterdetails.setEnabled(false);

save.setOnClickListener(new View.OnClickListener(){

public void onClick(View v){

if(name.getText().toString().trim().length()==0)

{

name.setError("Please Enter The Name");

}

else if(number.getText().toString().trim().length()==0)

{

number.setError("Please Enter The Mobile Number");

}

else if(email.getText().toString().trim().length()==0)

{

email.setError("Please Enter the Email Address");

}

else

{

String getname=name.getText().toString();

String getnumber=number.getText().toString();

String getemail=email.getText().toString();

b=BitmapFactory.decodeResource(getResources(), R.drawable.icon);

System.out.println("b::::::::::::::::::"+b);

data.open();

data.insertTitle(1, getname, getnumber, getemail, b);

data.close();

name.setText("");

number.setText("");

email.setText("");

}

});

showdetails.setOnClickListener(new View.OnClickListener() {

public void onClick(View v) {

Intent in=new Intent(getApplicationContext(),showdetails.class);

startActivity(in);

}

});

}

database

package com.contacts;

import java.io.ByteArrayOutputStream;

import android.content.ContentValues;

import android.content.Context;

import android.database.Cursor;

import android.database.SQLException;

import android.database.sqlite.SQLiteDatabase;

import android.database.sqlite.SQLiteOpenHelper;

import android.graphics.Bitmap;

import android.util.Log;

public class Database {

public static final String KEY_ROWID = "_id";

public static final String KEY_UNIQUE="uni";

public static final String KEY_NAME = "name";

public static final String KEY_NUMBER="number";

public static final String KEY_EMAIL="email";

public static final String KEY_IMAGE="image";

private static final String TAG = "DBAdapter";

private static final String DATABASE_NAME = "contactsinfo";

private static final String DATABASE_TABLE = "savecontacts";

private static final int DATABASE_VERSION = 25;

Bitmap bmp;

String number,name,email;

private static final String DATABASE_CREATE =

"create table savecontacts (_id integer primary key autoincrement,"+ "name text not null,number text not null,email text not null,image blob not null);";

private final Context context;

private DatabaseHelper DBHelper;

private SQLiteDatabase bfd;

public Database(Context ctx)

{

this.context = ctx;

DBHelper = new DatabaseHelper(context);

}

private static class DatabaseHelper extends SQLiteOpenHelper

{

DatabaseHelper(Context context)

{

super(context, DATABASE_NAME, null, DATABASE_VERSION);

}

@Override

public void onCreate(SQLiteDatabase db)

{

db.execSQL(DATABASE_CREATE);

}

@Override

public void onUpgrade(SQLiteDatabase db, int oldVersion,

int newVersion)

{

Log.w(TAG, "Upgrading database from version " + oldVersion

+ " to "

+ newVersion + ", which will destroy all old data");

db.execSQL("DROP TABLE IF EXISTS titles");

onCreate(db);

}

//---opens the database---

public Database open() throws SQLException

{

bfd = DBHelper.getWritableDatabase();

return this;

}

//---closes the database---

public void close()

{

DBHelper.close();

}

//---insert a title into the database---

public long insertTitle(long _id,String name,String number,String email,Bitmap b)

{

ByteArrayOutputStream out = new ByteArrayOutputStream();

b.compress(Bitmap.CompressFormat.PNG, 10, out);

System.out.println("out::::::::"+out.toByteArray());

ContentValues initialValues = new ContentValues();

initialValues.put(KEY_NAME, name);

initialValues.put(KEY_NUMBER,number);

initialValues.put(KEY_EMAIL,email);

initialValues.put(KEY_IMAGE, out.toByteArray());

return bfd.insert(DATABASE_TABLE, null, initialValues);

}

public Cursor getlistitems()

{

Cursor mCursor =

bfd.query(true, DATABASE_TABLE, new String[] {

KEY_NAME,

KEY_NUMBER,

KEY_EMAIL,

KEY_IMAGE,

null,

null);

if (mCursor != null) {

mCursor.moveToFirst();

}

return mCursor;

}

showdetails

package com.contacts;

import java.util.ArrayList;

import java.util.List;

import android.app.Activity;

import android.content.Context;

import android.content.Intent;

import android.database.Cursor;

import android.graphics.Bitmap;

import android.graphics.BitmapFactory;

import android.os.Bundle;

import android.view.LayoutInflater;

import android.view.View;

import android.view.ViewGroup;

import android.widget.BaseAdapter;

import android.widget.Button;

import android.widget.ImageView;

import android.widget.ListView;

import android.widget.TextView;

public class showdetails extends Activity {

Database data;

String name,email,number;

//Long number;

ListView contacts;

Button enterdetails,showdetails;

public DataAdapter notes;

byte[] image;

Bitmap img;

ArrayList<Constructor> DisplayData = new ArrayList<Constructor>();

@Override

protected void onCreate(Bundle savedInstanceState) {

// TODO Auto-generated method stub

data=new Database(this);

super.onCreate(savedInstanceState);

setContentView(R.layout.show);

notes=new DataAdapter(this,R.layout.button, DisplayData);

contacts=(ListView)findViewById(R.id.list);

contacts.setAdapter(notes);

enterdetails=(Button)findViewById(R.id.details1);

showdetails=(Button)findViewById(R.id.show1);

showdetails.setEnabled(false);

enterdetails.setOnClickListener(new View.OnClickListener() {

@Override

public void onClick(View v) {

Intent in=new Intent(getApplicationContext(),contact.class);

startActivity(in);

}

});

data.open();

Cursor getdetails=data.getlistitems();

if(getdetails.moveToFirst())

{

do{

name=getdetails.getString(0);

number=getdetails.getString(1);

email=getdetails.getString(2);

image=getdetails.getBlob(3);

img=BitmapFactory.decodeByteArray(image,0,image.length);

System.out.println("name::::::::::"+name);

System.out.println("number::::::::::::::"+number);

System.out.println("image::::::"+img);

DisplayData.add(new Constructor(img,name,number,email));

}while(getdetails.moveToNext());

}

getdetails.close();

//System.out.println("image::::::::::::::"+image);

}

public class DataAdapter extends BaseAdapter{

private Context context;

private List<Constructor> buttonList;

//private int rowResID;

public DataAdapter(Context context, int rowResID,

List<Constructor> buttonList ) {

this.context = context;

//this.rowResID = rowResID;

this.buttonList = buttonList;

}

public int getCount() {

return buttonList.size();

}

public Object getItem(int position) {

return buttonList.get(position);

}

public long getItemId(int position) {

return position;

}

public View getView(final int position, View convertView, ViewGroup parent) {

final Constructor row = buttonList.get(position);

LayoutInflater inflater = LayoutInflater.from( context );

View v = inflater.inflate( R.layout.button, parent, false );

final ImageView image1=(ImageView)v.findViewById(R.id.view);

final TextView nametext = (TextView)v.findViewById( R.id.nametext);

final TextView numbertext = (TextView)v.findViewById( R.id.numbertext );

final TextView emailtext = (TextView)v.findViewById( R.id.emailtext );

image1.setImageBitmap(row.Image());

nametext.setText(row.Name());

numbertext.setText(row.Number());

emailtext.setText(row.Email());

return v;

}

xml files

button.xml

<?xml version="1.0" encoding="utf-8"?>

<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"

android:id="@+id/scroller"

android:layout_width="fill_parent"

android:layout_height="fill_parent"

android:fillViewport="true" >

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

android:layout_width="fill_parent"

android:layout_height="wrap_content"

android:orientation="horizontal" >

<ImageView

android:id="@+id/view"

android:layout_width="50dp"

android:layout_height="40dp"/>

<LinearLayout

android:orientation="vertical"

android:layout_width="fill_parent"

android:layout_height="60dp"

<TextView

android:id="@+id/nametext"

android:layout_width="wrap_content"

android:textColor="#ffffff"

android:layout_height="wrap_content"

android:textStyle="bold"/>

<TextView

android:id="@+id/numbertext"

android:layout_width="wrap_content"

android:textColor="#ffffff"

android:layout_height="wrap_content"

android:textStyle="bold"/>

<TextView

android:id="@+id/emailtext"

android:layout_width="wrap_content"

android:textColor="#ffffff"

android:layout_height="wrap_content"

android:textStyle="bold"/>

</LinearLayout>

</ScrollView>

main.xml

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

android:orientation="vertical"

android:layout_width="fill_parent"

android:layout_height="fill_parent"

<LinearLayout

android:orientation="vertical"

android:layout_width="fill_parent"

android:layout_height="40dp"

<TextView

android:layout_width="fill_parent"

android:layout_height="50dp"

android:layout_marginLeft="20dp"

android:layout_marginRight="20dp"

android:layout_marginTop="15dp"

android:textColor="#ffffff"

android:text="ENTER THE CONTACT DETAILS"

android:textSize="20sp"

</LinearLayout>

<LinearLayout

android:orientation="vertical"

android:layout_width="fill_parent"

android:layout_height="20dp"

</LinearLayout>

<LinearLayout

android:orientation="vertical"

android:layout_width="fill_parent"

android:layout_height="wrap_content"

android:background="#2F4F4F"

android:layout_marginLeft="10dp"

android:layout_marginRight="10dp"

<TextView

android:layout_width="fill_parent"

android:layout_height="wrap_content"

android:text="ENTER NAME"

android:layout_marginLeft="10dp"

android:layout_marginRight="10dp"

<EditText

android:layout_width="fill_parent"

android:layout_height="wrap_content"

android:id="@+id/name"

android:layout_marginLeft="10dp"

android:layout_marginRight="10dp"/>

<TextView

android:layout_width="fill_parent"

android:layout_height="wrap_content"

android:text="ENTER NUMBER"

android:layout_marginLeft="10dp"

<EditText

android:layout_width="fill_parent"

android:layout_height="wrap_content"

android:id="@+id/number"

android:layout_marginLeft="10dp"

android:layout_marginRight="10dp"/>

<TextView

android:layout_width="fill_parent"

android:layout_height="wrap_content"

android:text="ENTER EMAIL"

android:layout_marginLeft="10dp"

<EditText

android:layout_width="fill_parent"

android:layout_height="wrap_content"

android:id="@+id/Email"

android:layout_marginLeft="10dp"

android:layout_marginRight="10dp"/>

</LinearLayout>

<LinearLayout

android:orientation="horizontal"

android:layout_width="fill_parent"

android:layout_height="10dp"

</LinearLayout>

<LinearLayout

android:orientation="horizontal"

android:layout_width="fill_parent"

android:layout_height="50dp"

<Button

android:layout_height="wrap_content"

android:text="ADD IMAGE"

android:id="@+id/getimage"

android:layout_marginLeft="10dp"

android:layout_width="wrap_content"/>

<ImageView

android:id="@+id/imageView1"

android:src="@drawable/icon"

android:layout_height="wrap_content"

android:layout_width="fill_parent"

android:gravity="right">

</ImageView>

</LinearLayout>

<LinearLayout

android:orientation="vertical"

android:layout_width="fill_parent"

android:layout_height="wrap_content"

<Button

android:layout_height="wrap_content"

android:layout_gravity="center"

android:text="SAVE"

android:id="@+id/save"

android:layout_width="300dp"/>

<LinearLayout

android:orientation="vertical"

android:layout_width="fill_parent"

android:layout_height="15dp"

</LinearLayout>

<LinearLayout

android:orientation="horizontal"

android:layout_gravity="bottom"

android:background="#ffffff"

android:layout_width="fill_parent"

android:layout_height="50dp"

<Button

android:layout_height="wrap_content"

android:text="Enter Details"

android:id="@+id/details"

android:layout_width="fill_parent"

android:layout_weight="0.5"/>

<Button

android:layout_height="wrap_content"

android:text="Show Contacts"

android:id="@+id/show"

android:layout_width="fill_parent"

android:layout_weight="0.5"/>

</LinearLayout>

show.xml

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

android:orientation="vertical"

android:layout_width="fill_parent"

android:layout_height="fill_parent">

<ListView android:id="@+id/list"

android:layout_width="fill_parent"

android:layout_height="0dip"

android:layout_weight="1"

android:stackFromBottom="false"

android:transcriptMode="normal"/>

<LinearLayout

android:orientation="horizontal"

android:layout_gravity="bottom"

android:background="#ffffff"

android:layout_width="fill_parent"

android:layout_height="50dp"

<Button

android:layout_height="wrap_content"

android:text="Enter Details"

android:id="@+id/details1"

android:layout_width="fill_parent"

android:layout_weight="0.5"/>

<Button

android:layout_height="wrap_content"

android:text="Show Contacts"

android:id="@+id/show1"

android:layout_width="fill_parent"

android:layout_weight="0.5"/>

</LinearLayout>

manifest file

<?xml version="1.0" encoding="utf-8"?>

<manifest xmlns:android="http://schemas.android.com/apk/res/android"

package="com.contacts"

android:versionCode="1"

android:versionName="1.0">

<activity android:name=".contact"

android:label="@string/app_name">

<intent-filter>

</intent-filter>

</activity>

</activity>

</application>

</manifest>

Android For All

Friday, July 08, 2011

contact application

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