MainActivity.java
public class MainActivity extends AppCompatActivity {
EditText Name, Phone;
DatabaseHandler databaseHandler = new DatabaseHandler(this);
Contact contact = new Contact();
@Override protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Name = (EditText) findViewById(R.id.etName);
Phone = (EditText) findViewById(R.id.etPhone);
/* //reading all contact
List<Contact> contactList = databaseHandler.getAllContacts();
StringBuffer stringBuffer = new StringBuffer();
for (Contact contact : contactList) {
String s = contact.get_name() + contact.get_phone_name(); stringBuffer.append(s); }
//Toast.makeText(getApplicationContext(),stringBuffer,Toast.LENGTH_LONG).show();
*/ }
public void saveContact(View view) {
String name = Name.getText().toString();
String phone = Phone.getText().toString();
if(name.isEmpty() || phone.isEmpty()){
Toast.makeText(getApplicationContext(),"Cannot empty",Toast.LENGTH_LONG).show();
}else {
contact = new Contact(name,phone);
databaseHandler.addContact(contact);
Toast.makeText(getApplicationContext(),"Insert successufuly",Toast.LENGTH_LONG).show();
}
}
public void showContact(View view) {
Intent intent= new Intent(this,ShowContacts.class);
startActivity(intent);
}
}
================xml=============
<?xml version="1.0" encoding="utf-8"?><RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:id="@+id/activity_main" 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.edupointbd.amirul.contacts1.MainActivity">
<EditText android:background="#cfcfce" android:id="@+id/etName" android:layout_marginTop="20dp" android:textSize="30sp" android:layout_width="match_parent" android:layout_height="wrap_content" android:hint="Enter Name" />
<EditText android:layout_marginTop="20dp" android:background="@color/colorAccent" android:id="@+id/etPhone" android:textSize="30sp" android:layout_below="@+id/etName" android:layout_width="match_parent" android:layout_height="wrap_content" android:hint="Phone Number" />
<Button android:text="Save info" android:layout_marginTop="50dp" android:background="#123456" android:textColor="#fff" android:id="@+id/save" android:onClick="saveContact" android:layout_below="@+id/etPhone" android:layout_width="match_parent" android:layout_height="wrap_content" />
<Button android:text="Show info" android:layout_marginTop="50dp" android:background="#123456" android:textColor="#fff" android:onClick="showContact" android:layout_below="@+id/save" android:layout_width="match_parent" android:layout_height="wrap_content" />
</RelativeLayout>
========================================================
package com.edupointbd.amirul.contacts1;
/** * Created by Amirul on 13-Dec-17. */
public class TableInfo {
private TableInfo() {
}
public static class TableContacts{
// Database Name public static final String DATABASE_NAME = "contactsManager";
// Contacts table name public static final String TABLE_CONTACTS = "contacts";
// Contacts Table Columns names public static final String KEY_ID = "id";
public static final String KEY_NAME = "name";
public static final String KEY_PH_NO = "phone_number";
public static String CREATE_CONTACTS_TABLE = "CREATE TABLE IF NOT EXISTS " + TABLE_CONTACTS + "(" + KEY_ID + " INTEGER PRIMARY KEY," + KEY_NAME + " TEXT," + KEY_PH_NO + " TEXT" + ")";
}
}
============================================================
DatabaseHandler.java
package com.edupointbd.amirul.contacts1;
import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;
import java.util.ArrayList;
import java.util.List;
/** * Created by Amirul on 13-Dec-17. */
public class DatabaseHandler extends SQLiteOpenHelper {
// Database Version private static final int DATABASE_VERSION = 1;
public DatabaseHandler(Context context) {
super(context, TableInfo.TableContacts.DATABASE_NAME, null, DATABASE_VERSION);
}
@Override public void onCreate(SQLiteDatabase db) {
db.execSQL(TableInfo.TableContacts.CREATE_CONTACTS_TABLE);
}
@Override public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
// Drop older table if existed db.execSQL("DROP TABLE IF EXISTS " + TableInfo.TableContacts.TABLE_CONTACTS);
// Create tables again onCreate(db);
}
void addContact(Contact contact) {
SQLiteDatabase database = this.getWritableDatabase();
ContentValues values = new ContentValues();
values.put(TableInfo.TableContacts.KEY_NAME, contact.get_name());
values.put(TableInfo.TableContacts.KEY_PH_NO, contact.get_phone_name());
//insert row database.insert(TableInfo.TableContacts.TABLE_CONTACTS, null, values);
database.close();
}
//getting single contact
Contact getContact(int id) {
String[] projection = {
TableInfo.TableContacts.KEY_ID,
TableInfo.TableContacts.KEY_NAME,
TableInfo.TableContacts.KEY_PH_NO,
};
SQLiteDatabase db = this.getReadableDatabase();
Cursor cursor = db.query(TableInfo.TableContacts.TABLE_CONTACTS, projection, TableInfo.TableContacts.KEY_ID + "=?", new String[]{String.valueOf(id)}, null, null, null, null);
if (cursor != null) {
cursor.moveToFirst();
}
Contact contact = new Contact(Integer.parseInt(cursor.getString(0)), cursor.getString(1), cursor.getString(2));
return contact;
}
//getting all contacts
public List<Contact> getAllContacts() {
List<Contact> contactList = new ArrayList<>();
//select all query String selectQuery = "SELECT * FROM " + TableInfo.TableContacts.TABLE_CONTACTS;
SQLiteDatabase database = this.getWritableDatabase();
Cursor cursor = database.rawQuery(selectQuery, null);
//looping throw all roe anf adding the list if (cursor.moveToFirst()) {
do {
Contact contact = new Contact();
contact.set_id(Integer.parseInt(cursor.getString(0)));
contact.set_name(cursor.getString(1));
contact.set_phone_name(cursor.getString(2));
contactList.add(contact);
} while (cursor.moveToNext());
}
cursor.close();
//return contact list return contactList;
}
//updating single contact
public int UpdateContact(Contact contact) {
SQLiteDatabase database = this.getWritableDatabase();
ContentValues values = new ContentValues();
values.put(TableInfo.TableContacts.KEY_NAME, contact.get_name());
values.put(TableInfo.TableContacts.KEY_PH_NO, contact.get_phone_name());
//update row
return database.update(TableInfo.TableContacts.TABLE_CONTACTS, values, TableInfo.TableContacts.KEY_ID + " = ?", new String[]
{String.valueOf(contact.get_id())});
}
//delete row
public int deleteContact(Contact contact) {
SQLiteDatabase database = this.getWritableDatabase();
int de =database.delete(TableInfo.TableContacts.TABLE_CONTACTS, TableInfo.TableContacts.KEY_ID + " =? ",
new String[]{String.valueOf(contact.get_id()) });
database.close();
return contact.get_id();
}
}
========================================================
Contact.java
package com.edupointbd.amirul.contacts1;
/** * Created by Amirul on 13-Dec-17. */
public class Contact {
//private varible private int _id;
private String _name;
private String _phone_name;
//constractor
public Contact() {
}
//Constructor public Contact(int _id, String _name, String _phone_name) {
this._id = _id;
this._name = _name;
this._phone_name = _phone_name;
}
//Constructor without id public Contact(String _name, String _phone_name) {
this._name = _name;
this._phone_name = _phone_name;
}
public int get_id() {
return _id;
}
public void set_id(int _id) {
this._id = _id;
}
public String get_name() {
return _name;
}
public void set_name(String _name) {
this._name = _name;
}
public String get_phone_name() {
return _phone_name;
}
public void set_phone_name(String _phone_name) {
this._phone_name = _phone_name;
}
}
======================================================================
package com.edupointbd.amirul.contacts1;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.text.Html;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;
import com.github.clans.fab.FloatingActionButton;
import com.github.clans.fab.FloatingActionMenu;
public class UpdateDelete extends AppCompatActivity {
private FloatingActionMenu fam;
private FloatingActionButton fabEdit, fabDelete, savedata;
TextView idShow, nameShow, phoneShow;
String namef= null;
String phonef= null;
int idgrobal=0;
DatabaseHandler databaseHandler = new DatabaseHandler(this);
Contact contact = new Contact();
@Override protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_update_delete);
idShow = (TextView)findViewById(R.id.tvshowId);
nameShow = (TextView)findViewById(R.id.tvshowName);
phoneShow = (TextView)findViewById(R.id.tvshowPhone);
Intent intent = getIntent();
String id = intent.getStringExtra("ID");
String name = intent.getStringExtra("NAME");
String phone = intent.getStringExtra("PHONE");
namef = name;
phonef = phone;
int idn = Integer.valueOf(id);
idgrobal = idn;
contact = new Contact(idn,name,phone);
idShow.setText(id);
nameShow.setText(name);
phoneShow.setText(phone);
savedata = (FloatingActionButton) findViewById(R.id.savefab);
fabDelete = (FloatingActionButton) findViewById(R.id.deletefab);
fabEdit = (FloatingActionButton) findViewById(R.id.editfab);
fam = (FloatingActionMenu) findViewById(R.id.fab_menu);
//handling menu status (open or close) fam.setOnMenuToggleListener(new FloatingActionMenu.OnMenuToggleListener() {
@Override public void onMenuToggle(boolean opened) {
if (opened) {
// showToast("Menu is opened"); } else {
// showToast("Menu is closed"); }
}
});
//handling each floating action button clicked fabDelete.setOnClickListener(onButtonClick());
fabEdit.setOnClickListener(onButtonClick());
savedata.setOnClickListener(onButtonClick());
fam.setOnClickListener(new View.OnClickListener() {
@Override public void onClick(View view) {
if (fam.isOpened()) {
fam.close(true);
}
}
});
//Toast.makeText(getApplicationContext(), "id "+id+" name"+name+" phone"+phone, Toast.LENGTH_SHORT).show(); }
private View.OnClickListener onButtonClick() {
return new View.OnClickListener() {
@Override public void onClick(View view) {
if (view == savedata) {
showToast("Save Data successfully");
} else if (view == fabDelete) {
//alert dialog AlertDialog.Builder builder = new AlertDialog.Builder(UpdateDelete.this);
builder.setTitle(Html.fromHtml("<font color='#FF7F27'>Delete Data</font>"));
String nam= "Are you Delete "+ namef+" ? ";
builder.setMessage(nam);
builder.setIcon(R.drawable.amirul);
builder.setPositiveButton("YES", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
int de = databaseHandler.deleteContact(contact);
showToast(String.valueOf(de));
Intent intent = new Intent(getApplicationContext(),ShowContacts.class);
startActivity(intent);
finish();
}
});
builder.setNeutralButton("CANCEL", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
Toast.makeText(getApplicationContext(),"CANCEL",Toast.LENGTH_LONG).show();
}
});
AlertDialog alert = builder.create();
alert.show();
// showToast("Button Delete clicked"); }
else if (view == fabEdit) {
LayoutInflater li = LayoutInflater.from(UpdateDelete.this);
View view1 =li.inflate(R.layout.update,null);
AlertDialog.Builder builder = new AlertDialog.Builder(UpdateDelete.this);
builder.setView(view1);
final EditText namedialog = (EditText)view1.findViewById(R.id.etUpdateName);
final EditText phonedialog = (EditText)view1.findViewById(R.id.etUpdatephone);
namedialog.setText(namef);
phonedialog.setText(phonef);
//set dialog message builder.setCancelable(false)
.setPositiveButton("Update", new DialogInterface.OnClickListener() {
@Override public void onClick(DialogInterface dialog, int which) {
databaseHandler.UpdateContact(new Contact(idgrobal,namedialog.getText().toString(),phonedialog.getText().toString()));
Intent intent = new Intent(getApplicationContext(),ShowContacts.class);
startActivity(intent);
finish();
showToast("Updated successfully");
// Toast.makeText(getApplicationContext(),"CANCEL"+name +" "+phone,Toast.LENGTH_LONG).show();
}
})
.setNegativeButton("cencle", new DialogInterface.OnClickListener() {
@Override public void onClick(DialogInterface dialog, int which) {
}
});
//create alert dialog
AlertDialog alertDialog = builder.create();
//show dialog alertDialog.show();
}
fam.close(true);
}
};
}
private void showToast(String msg) {
Toast.makeText(this, msg, Toast.LENGTH_SHORT).show();
}
}
========================xml=============================================
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" xmlns:fab="http://schemas.android.com/apk/res-auto" android:id="@+id/activity_update_delete" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" 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.edupointbd.amirul.contacts1.UpdateDelete">
<TextView android:id="@+id/tvshowId" android:text="Name" android:textSize="25dp" android:layout_width="match_parent" android:layout_height="wrap_content" />
<TextView android:id="@+id/tvshowName" android:text="Name" android:gravity="center" android:background="#123456" android:layout_marginTop="5sp" android:textColor="#fff" android:textSize="18sp" android:layout_width="match_parent" android:layout_height="wrap_content" />
<TextView android:id="@+id/tvshowPhone" android:text="Name" android:gravity="center" android:background="#567890" android:layout_marginTop="5sp" android:textColor="#fff" android:textSize="18sp" android:layout_width="match_parent" android:layout_height="wrap_content" />
<com.github.clans.fab.FloatingActionMenu android:id="@+id/fab_menu" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_alignParentBottom="true" android:layout_alignParentRight="true" android:paddingBottom="@dimen/activity_horizontal_margin" android:paddingRight="@dimen/activity_horizontal_margin" fab:menu_backgroundColor="#ccffffff" fab:menu_fab_label="Choose an action" fab:fab_colorNormal="#DA4336" fab:fab_colorPressed="#E75043" fab:fab_colorRipple="#99FFFFFF" fab:fab_showShadow="true" fab:menu_labels_colorNormal="#333333" fab:menu_labels_colorPressed="#444444" fab:menu_labels_colorRipple="#66FFFFFF" fab:menu_labels_showShadow="true" fab:menu_labels_maxLines="-1" fab:menu_labels_position="left" fab:menu_openDirection="up" fab:fab_shadowColor="#66000000" fab:menu_labels_ellipsize="end" fab:menu_labels_singleLine="true">
<com.github.clans.fab.FloatingActionButton android:id="@+id/editfab" android:layout_width="wrap_content" android:layout_height="wrap_content" android:src="@android:drawable/ic_menu_edit" fab:fab_label="Edit " fab:fab_size="mini" />
<com.github.clans.fab.FloatingActionButton android:id="@+id/savefab" android:layout_width="wrap_content" android:layout_height="wrap_content" android:src="@android:drawable/ic_menu_save" fab:fab_label="Save" fab:fab_size="mini" layout_height="" />
<com.github.clans.fab.FloatingActionButton android:id="@+id/deletefab" android:layout_width="wrap_content" android:layout_height="wrap_content" android:src="@android:drawable/ic_menu_delete" fab:fab_label="Delete" fab:fab_size="mini" />
</com.github.clans.fab.FloatingActionMenu>
</LinearLayout>
=====================dont forget==========================
compile 'com.android.support:appcompat-v7:25.3.1'compile 'com.android.support:cardview-v7:25.0.0'compile 'com.android.support:recyclerview-v7:25.0.0'compile 'com.android.support:design:25.3.1'compile 'com.github.clans:fab:1.6.4'
