Unterschied zwischen Java und Android Java

package com.gibb.pickick;

import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;

import android.annotation.SuppressLint;
import android.os.Bundle;
import android.os.StrictMode;
import android.support.v7.app.ActionBarActivity;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

public class MainActivity extends ActionBarActivity {
        
    
    EditText etName;
    EditText etLastname;
    EditText etPhoneNumber;
    Button submit;
    InputStream is = null;
    
    @SuppressLint("NewApi")
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
        StrictMode.setThreadPolicy(policy);
        setContentView(R.layout.activity_main);        
              
        
        etName = (EditText) findViewById(R.id.editText1);
        etLastname = (EditText) findViewById(R.id.editText2);
        etPhoneNumber = (EditText) findViewById(R.id.editText3);
        
        submit.setOnClickListener(new View.OnClickListener() {
            
            @Override
            public void onClick(View v) {
                String name = ""+etName.getText().toString();
                String lastname = ""+etLastname.getText().toString();
                String phoneNumber = ""+etPhoneNumber.getText().toString();
                
                List<NameValuePair> nameValuePair = new ArrayList<NameValuePair>(1);
                
                nameValuePair.add(new BasicNameValuePair("name", name));
                nameValuePair.add(new BasicNameValuePair("lastname", lastname));
                nameValuePair.add(new BasicNameValuePair("phoneNumber", phoneNumber));
                
                try {
                    HttpClient httpClient = new DefaultHttpClient();
                    
                    HttpPost httpPost = new HttpPost("http://10.1.4.58/demo/demo.php");
                    
                    httpPost.setEntity(new UrlEncodedFormEntity(nameValuePair));
                    
                    HttpResponse response = httpClient.execute(httpPost);
                    
                    HttpEntity entity = response.getEntity();
                    
                    is = entity.getContent();
                    
                    String msg = "Data entered success";
                    
                    Toast.makeText(getApplicationContext(), msg, Toast.LENGTH_LONG).show();
                            
                } catch(ClientProtocolException e) {
                    Log.e("ClentProtocol", "IOException");
                    e.printStackTrace();
                } catch (IOException e) {
                    Log.e("Log_tag", "IOException");
                    e.printStackTrace();
                }
                
            }
        });
        
        
        
        
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();
        if (id == R.id.action_settings) {
            return true;
        }
        return super.onOptionsItemSelected(item);
    }
    
}

<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: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.gibb.pickick.MainActivity" >

    <EditText
        android:id="@+id/editText2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignLeft="@+id/textView2"
        android:layout_below="@+id/textView2"
        android:ems="10"
        android:inputType="textPersonName"
        android:text="Lastname" />

    <LinearLayout
        android:id="@+id/linearLayout1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_below="@+id/editText1"
        android:layout_marginLeft="15dp"
        android:orientation="vertical" >
    </LinearLayout>

    <TextView
        android:id="@+id/textView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentTop="true"
        android:layout_marginTop="14dp"
        android:text="Name:" />

    <EditText
        android:id="@+id/editText1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_below="@+id/textView1"
        android:layout_marginTop="15dp"
        android:ems="10"
        android:inputType="textPersonName"
        android:text="Name" >

        <requestFocus />
    </EditText>

    <TextView
        android:id="@+id/textView2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignLeft="@+id/editText1"
        android:layout_below="@+id/linearLayout1"
        android:text="Lastname:" />

    <TextView
        android:id="@+id/textView3"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignLeft="@+id/editText2"
        android:layout_below="@+id/editText2"
        android:text="Phone Number:" />

    <EditText
        android:id="@+id/editText3"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignLeft="@+id/textView3"
        android:layout_below="@+id/textView3"
        android:ems="10"
        android:inputType="phone"
        android:text="Phone" />

    <Button
        android:id="@+id/button1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_below="@+id/editText3"
        android:layout_marginTop="114dp"
        android:layout_toRightOf="@+id/textView3"
        android:text="Submt" />

</RelativeLayout>

<?php

$con=mysql_connect('localhost', 'root', '');
mysql_select_db("contactdb", $con);

$name=$_POST['name'];
$lastname=$_POST['lastname'];
$phoneNumber=$_POST['phoneNumber'];

mysql_query("insert into test(name, lastname, phoneNumber) values('{$name}', {$lastname}', {$phoneNumber}')");

mysql_close();



?>

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

button = (Button) findViewById(R.id.button1);