SAMPLE NEW APP IN ANDROID - BASIC STEPS

Conference Dialing


/********************* ConferenceDialing Manifest *****************/

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

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

package="com.confdial.android"

android:versionCode="1"

android:versionName="1.0" >

<uses-sdk android:minSdkVersion="7" />

<uses-permission android:name="android.permission.CALL_PRIVILEGED" />

<application

android:icon="@drawable/ic_launcher"

android:label="@string/app_name" >

<activity

android:name=".ConferenceDialingActivity"

android:label="@string/app_name" >

<intent-filter>

<action android:name="android.intent.action.MAIN" />

<category android:name="android.intent.category.LAUNCHER" />

</intent-filter>

</activity>

<activity android:name=".DialerInput"

android:label="DIALER INPUT" ></activity>

<activity android:name=".ViewDetailsActivity"

android:label="DIALER INPUT" ></activity>

</application>

</manifest>

/******************* ConferenceDialingActivity **********************/

package com.confdial.android;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
public class ConferenceDialingActivity extends Activity implements OnClickListener{
Button btn_start;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
btn_start = (Button) findViewById(R.id.btn_start);
btn_start.setOnClickListener(this);
}
@Override
public void onClick(View arg0) {
Intent intent = new Intent(ConferenceDialingActivity.this, DialerInput.class);
startActivity(intent);
}
}

/******************* DialerInput.java **********************/

package com.confdial.android;

import android.app.Activity;

import android.content.Intent;

import android.database.Cursor;

import android.os.Bundle;

import android.util.Log;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

import android.widget.EditText;

public class DialerInput extends Activity implements OnClickListener {

EditText c_name;

EditText c_number;

Button btn_save;

Cursor cursor;

ContactDataSource datasource;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.input);

datasource = new ContactDataSource(this);

//datasource.open();

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

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

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

btn_save.setOnClickListener(this);

// datasource.createTable();

}

@Override

public void onClick(View v) {

String numbers = c_number.getText().toString();

String split = "-";

String[] numberArr = numbers.split(split);

String user_name = c_name.getText().toString();

String[] contacts = new String[numberArr.length / 2];

String[] delayTime = new String[numberArr.length / 2];

int j = 0;

for (int i = 0; i < numberArr.length; i++) {

if (i % 2 == 0) {

contacts[j] = numberArr[i];

} else {

delayTime[j] = numberArr[i];

Log.d("\n********************** " + contacts[j] , " **** " + delayTime[j] + " *** " + user_name);

datasource.createContact(user_name, Double.parseDouble(contacts[j]),

Integer.parseInt(delayTime[j]));

j++;

}

}

/*for (int i = 0; i < contact.length; i++) {

System.out.println("\n" + contact[i]);

System.out.println("\t" + delayTime[i]);

}*/

Log.d("\n************************** COUNT == ", "" + datasource.count());

Intent intent = new Intent(DialerInput.this, ViewDetailsActivity.class);

startActivity(intent);

}

@Override

protected void onPause() {

datasource.close();

super.onPause();

}

@Override

protected void onResume() {

datasource.open();

super.onResume();

}

}

/******************* DBHelper.java **********************/

package com.confdial.android;

import android.content.Context;

import android.database.sqlite.SQLiteDatabase;

import android.database.sqlite.SQLiteOpenHelper;

public class DBHelper extends SQLiteOpenHelper {

static final String DB_NAME = "ConferenceDailing.db";

private static final int DB_VERSION = 1;

public static class ContactTable {

static final String TABLE_NAME = "details";

static final String _ID = "_id";

static final String NAME = "name";

static final String CONTACTS = "contacts";

static final String DELAY_TIME = "delay_time";

public static final String CREATE_TABLE = "create table "

+ ContactTable.TABLE_NAME + "( " + _ID

+ " integer primary key autoincrement, " + NAME

+ " text not null," + CONTACTS

+ " double ," + DELAY_TIME

+ " integer );";

}

public DBHelper(Context context) {

super(context, DB_NAME, null, DB_VERSION);

}

@Override

public void onCreate(SQLiteDatabase db) {

db.execSQL(String.format(

"CREATE TABLE %s ( %s INTEGER PRIMARY KEY AUTOINCREMENT, %s TEXT, %s double, %s integer )",

ContactTable.TABLE_NAME, ContactTable._ID, ContactTable.NAME,

ContactTable.CONTACTS, ContactTable.DELAY_TIME));

}

@Override

public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {

db.execSQL("DROP TABLE IF EXISTS " + ContactTable.TABLE_NAME);

}

}

/******************* ContactDataSource.java **********************/

package com.confdial.android;

import org.apache.http.impl.cookie.BasicDomainHandler;

import com.confdial.android.DBHelper.ContactTable;

import android.app.Activity;

import android.content.ContentValues;

import android.content.Context;

import android.database.Cursor;

import android.database.DatabaseUtils;

import android.database.SQLException;

import android.database.sqlite.SQLiteDatabase;

import android.util.Log;

public class ContactDataSource {

private SQLiteDatabase db;

private DBHelper dbHelper;

public ContactDataSource(Context context) {

dbHelper = new DBHelper(context);

}

public void open() throws SQLException {

db = dbHelper.getWritableDatabase();

Log.d("/nDATABASE OPENED************", "OPENED");

}

public void close() {

dbHelper.close();

Log.d("/nDATABASE CLOSED************", "CLOSED");

}

public void createContact(String name, double contacts, int delay_time) {

ContentValues val = new ContentValues();

val.put("name", name);

val.put("contacts", contacts);

val.put("delay_time", delay_time);

try {

db.insert(ContactTable.TABLE_NAME, null, val);

Log.v("\nINSERT IN Employee table", "Inserted a row..\n");

} catch (SQLException e) {

Log.e(DBHelper.DB_NAME, e.toString());

}

}

public void createTable() {

db.execSQL(DBHelper.ContactTable.CREATE_TABLE);

}

public Cursor getAllContacts(Activity activity) {

String[] from = { ContactTable._ID, ContactTable.NAME,

ContactTable.CONTACTS, ContactTable.DELAY_TIME };

String order = ContactTable._ID;

Cursor cursor = db.query(ContactTable.TABLE_NAME, from, null, null,

null, null, order);

activity.startManagingCursor(cursor);

return cursor;

}

public int count() {

return (int) DatabaseUtils.queryNumEntries(db,

DBHelper.ContactTable.TABLE_NAME);

}

}

/******************* ViewDetailsActivity.java **********************/

package com.confdial.android;

import com.confdial.android.DBHelper.ContactTable;

import android.app.ListActivity;

import android.database.Cursor;

import android.os.Bundle;

import android.util.Log;

import android.widget.ListAdapter;

import android.widget.SimpleCursorAdapter;

public class ViewDetailsActivity extends ListActivity{

Cursor cursor;

ContactDataSource datasource;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

datasource = new ContactDataSource(this);

datasource.open();

cursor = datasource.getAllContacts(this);

String contact = ContactTable.CONTACTS;

String[] from = new String[] { ContactTable.NAME , contact, ContactTable.DELAY_TIME };

int[] to = new int[] { R.id.name, R.id.contacts , R.id.d_time};

ListAdapter mAdapter = new SimpleCursorAdapter(this, R.layout.list_item, cursor,

from, to);

Log.d("\n ************ VIEW ************** ", ContactTable.CONTACTS + "********** " + contact );

setListAdapter(mAdapter);

}

@Override

protected void onPause() {

datasource.close();

super.onPause();

}

@Override

protected void onResume() {

datasource.open();

super.onResume();

}

}

/******************* gradient_box.xml **********************/

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

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

android:shape="rectangle">

<gradient

android:startColor="#88dddd"

android:endColor="#44bbcc"

android:angle="45"/>

<padding android:left="7dp"

android:top="7dp"

android:right="7dp"

android:bottom="7dp" />

<corners android:radius="8dp" />

</shape>

/******************* main.xml **********************/

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

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

android:layout_width="220dp"

android:layout_height="100dp"

android:layout_gravity="center"

android:background="@drawable/gradient_box"

android:orientation="vertical" >

<TextView

android:layout_width="fill_parent"

android:layout_height="wrap_content"

android:layout_gravity="center"

android:gravity="center"

android:text="Conference Dialing"

android:textColor="#ffffff"

android:textSize="18sp"

android:textStyle="bold"

android:typeface="monospace" />

<Button

android:id="@+id/btn_start"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_gravity="center"

android:text="Start.."

android:layout_marginTop="10dp"

/>

</LinearLayout>

/******************* input.xml **********************/

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

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

android:layout_width="300dp"

android:layout_height="300dp"

android:layout_gravity="center"

android:background="@drawable/gradient_box"

android:orientation="vertical" >

<TextView

android:layout_width="fill_parent"

android:layout_height="wrap_content"

android:text="Name: "

android:textColor="#ffffff"

android:textSize="18sp"

android:textStyle="bold"

android:typeface="monospace" />

<EditText

android:id="@+id/c_name"

android:layout_width="fill_parent"

android:layout_height="wrap_content" />

<TextView

android:layout_width="fill_parent"

android:layout_height="wrap_content"

android:text="Contact: "

android:textColor="#ffffff"

android:textSize="18sp"

android:textStyle="bold"

android:typeface="monospace" />

<EditText

android:id="@+id/c_number"

android:layout_width="fill_parent"

android:layout_height="100dp" />

<Button

android:id="@+id/btn_save"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="Save"

android:layout_gravity="center"

android:layout_marginTop="10dp"

/>

</LinearLayout>

/******************* list_item.xml **********************/

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

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

android:layout_width="wrap_content"

android:layout_height="wrap_content" >

<TextView

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

android:id="@+id/name"

android:layout_width="fill_parent"

android:layout_height="fill_parent"

android:padding="10dp"

android:textSize="16sp" >

</TextView>

<TextView

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

android:id="@+id/contacts"

android:layout_width="fill_parent"

android:layout_height="fill_parent"

android:padding="10dp"

android:textSize="16sp" >

</TextView>

<TextView

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

android:id="@+id/d_time"

android:layout_width="fill_parent"

android:layout_height="fill_parent"

android:padding="10dp"

android:textSize="16sp" >

</TextView>

</LinearLayout>