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Clound SSD Virtual Server

Android Edit/Update Data to Web Server Database (Web Server)

Android Edit/Update Data to Web Server Database (Web Server) ตัวอย่างการเขียน Android เพื่อทำการอัพเดดแก้ไขข้อมูล (Update) ที่อยู่ในฝั่งของ Web Server โดยใน Web Server จะใช้ PHP กับ MySQL ทำหน้าที่เป็นสื่อกลางที่จะจัดการข้อมูลที่ถูกส่งมาจาก Android Client ขั้นตอนการทำงานคือ Android จะอ่านข้อมูลจาก Web Server ทั้งหมดแสดงบน ListView จากนั้นจะให้เลือกแก้ไขข้อมูลในแต่ล่ะรายการ พร้อม ๆ กับการออกแบบ Form เพื่อรอรับการแก้ไขข้อมูลจากผู้ใช้

Android Update Data to  Web Server Database


รูปภาพ Model การแก้ไขข้อมูลจาก Android เพื่อ Update ไปยัง Web Server

Basic Android Server and Client


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

ในการเขียน Android เพื่อติดต่อกับ Internet จะต้องกำหนด Permission ในส่วนนี้ด้วยทุกครั้ง

Web Server

member
CREATE TABLE `member` (
  `MemberID` int(2) NOT NULL auto_increment,
  `Username` varchar(50) NOT NULL,
  `Password` varchar(50) NOT NULL,
  `Name` varchar(50) NOT NULL,
  `Tel` varchar(50) NOT NULL,
  `Email` varchar(150) NOT NULL,
  PRIMARY KEY  (`MemberID`),
  UNIQUE KEY `Username` (`Username`),
  UNIQUE KEY `Email` (`Email`)
) ENGINE=MyISAM  DEFAULT CHARSET=utf8 AUTO_INCREMENT=4 ;

-- 
-- Dumping data for table `member`
-- 

INSERT INTO `member` VALUES (1, 'weerachai', '[email protected]', 'Weerachai Nukitram', '0819876107', '[email protected]');
INSERT INTO `member` VALUES (2, 'adisorn', '[email protected]', 'Adisorn Bunsong', '021978032', '[email protected]');
INSERT INTO `member` VALUES (3, 'surachai', '[email protected]', 'Surachai Sirisart', '0876543210', '[email protected]');


โครงสร้างของ MySQL Table

Android Update Data to  Web Server Database

showAllData.php ไฟล์สำหรับแสดงข้อมูลทั้งหมด
<?php
	$objConnect = mysql_connect("localhost","root","root");
	$objDB = mysql_select_db("mydatabase");
	
	// $_POST["txtKeyword"] = "a"; // for Sample

	$strKeyword = $_POST["txtKeyword"];
	$strSQL = "SELECT * FROM member WHERE 1 AND Name LIKE '%".$strKeyword."%'  ORDER BY MemberID ASC  ";

	$objQuery = mysql_query($strSQL);
	$intNumField = mysql_num_fields($objQuery);
	$resultArray = array();
	while($obResult = mysql_fetch_array($objQuery))
	{
		$arrCol = array();
		for($i=0;$i<$intNumField;$i++)
		{
			$arrCol[mysql_field_name($objQuery,$i)] = $obResult[$i];
		}
		array_push($resultArray,$arrCol);
	}
	
	mysql_close($objConnect);
	
	echo json_encode($resultArray);
?>


getByMemberID.php ไฟล์สำหรับแสดงข้อมูลแต่ล่ะรายการ
<?php
	$objConnect = mysql_connect("localhost","root","root");
	$objDB = mysql_select_db("mydatabase");
	
	//$_POST["sMemberID"] = "1"; // for Sample

	$strMemberID = $_POST["sMemberID"];
	$strSQL = "SELECT * FROM member WHERE 1 AND MemberID = '".$strMemberID."'  ";

	$objQuery = mysql_query($strSQL);
	$obResult = mysql_fetch_array($objQuery);
	if($obResult)
	{
		$arr["MemberID"] = $obResult["MemberID"];
		$arr["Username"] = $obResult["Username"];
		$arr["Password"] = $obResult["Password"];
		$arr["Name"] = $obResult["Name"];
		$arr["Email"] = $obResult["Email"];
		$arr["Tel"] = $obResult["Tel"];
	}

	
	mysql_close($objConnect);

	/*** return JSON by MemberID ***/
	/* Eg :
	{"MemberID":"2",
	"Username":"adisorn",
	"Password":"[email protected]",
	"Name":"Adisorn Bunsong",
	"Tel":"021978032",
	"Email":"[email protected]"}
	*/
	
	echo json_encode($arr);
?>


updateData.php ไฟล์สำหรับอัพเดดข้อมูล
<?php
	$objConnect = mysql_connect("localhost","root","root");
	$objDB = mysql_select_db("mydatabase");
	
	/*** for Sample 
		$_POST["sMemberID"] = "2";
		$_POST["sPassword"] = "[email protected]";
		$_POST["sName"] = "Adisorn Bunsong";
		$_POST["sEmail"] = "[email protected]";
		$_POST["sTel"] = "021978032";
	*/

	$strMemberID = $_POST["sMemberID"];
	$strPassword = $_POST["sPassword"];
	$strName = $_POST["sName"];
	$strEmail = $_POST["sEmail"];
	$strTel = $_POST["sTel"];

	/*** Check Email Exists ***/
	$strSQL = "SELECT * FROM member WHERE Email = '".$strEmail."' AND MemberID != '".$strMemberID."' ";
	$objQuery = mysql_query($strSQL);
	$objResult = mysql_fetch_array($objQuery);
	if($objResult)
	{
		$arr['StatusID'] = "0"; 
		$arr['Error'] = "Email Exists!";	
		echo json_encode($arr);
		exit();
	}
	
	/*** Update ***/
	$strSQL = " UPDATE member SET
		Password = '".$strPassword."'
		,Name = '".$strName."'
		,Email = '".$strEmail."'
		,Tel = '".$strTel."'
		WHERE MemberID = '".$strMemberID."'
	";

	$objQuery = mysql_query($strSQL);
	if(!$objQuery)
	{
		$arr['StatusID'] = "0"; 
		$arr['Error'] = "Cannot save data!";	
	}
	else
	{
		$arr['StatusID'] = "1"; 
		$arr['Error'] = "";	
	}

	/**
		$arr['StatusID'] // (0=Failed , 1=Complete)
		$arr['Error'] // Error Message
	*/
	
	mysql_close($objConnect);
	
	echo json_encode($arr);
?>









Android Project

โครงสร้างของไฟล์ประกอบด้วย 5 ไฟล์คือ MainActivity.java, activity_main.xml, activity_column.xml และ UpdateActivity.java, activity_update.xml

Android Update Data to  Web Server Database

activity_main.xml
<TableLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/tableLayout1"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent" >
 
   	<TableRow
      android:id="@+id/tableRow1"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content" >
     
     <TextView
        android:id="@+id/textView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:gravity="center"
        android:text="Update Member : "
        android:layout_span="1"
        android:textAppearance="?android:attr/textAppearanceMedium" />

     <EditText
         android:id="@+id/txtKeySearch"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:ems="4" >
     </EditText>

     <Button
         android:id="@+id/btnSearch"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:text="Search" />
  	        
 	</TableRow>

	<View
		android:layout_height="1dip"
		android:background="#CCCCCC" />
 
  <LinearLayout
        android:orientation="horizontal"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_weight="0.1">   
     
     <ListView
         android:id="@+id/listView1"
         android:layout_width="match_parent"
         android:layout_height="wrap_content">
     </ListView>
  	        
 	</LinearLayout>

	<View
		android:layout_height="1dip"
		android:background="#CCCCCC" />
   		  
   	<LinearLayout
      android:id="@+id/LinearLayout1"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:padding="5dip" >

   		<TextView
   		    android:id="@+id/textView2"
   		    android:layout_width="wrap_content"
   		    android:layout_height="wrap_content"
   		    android:text="By.. ThaiCreate.Com" />

	</LinearLayout>
	
</TableLayout>


activity_column.xml
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/linearLayout1"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent" >
    
	<TextView
	android:id="@+id/ColMemberID" 
		android:layout_width="0dp"
		android:layout_height="wrap_content" 
		android:layout_weight="0.2"
		android:text="CustomerID"
		android:textAppearance="?android:attr/textAppearanceSmall" />

	<TextView
		android:id="@+id/ColName" 
		android:layout_width="0dp"
		android:layout_height="wrap_content" 
		android:layout_weight="1.0"
		android:text="Name"
		android:textAppearance="?android:attr/textAppearanceSmall" />

	<TextView
	    android:id="@+id/ColTel"
	    android:layout_width="0dp"
	    android:layout_height="wrap_content"
	    android:layout_weight="1"
	    android:text="Tel"
	    android:textAppearance="?android:attr/textAppearanceSmall" />

</LinearLayout>



Android Update Data to  Web Server Database

activity_update.xml
<TableLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/tableLayout1"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent">
 
   	<TableRow
      android:id="@+id/tableRow1"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content" >
     
     <TextView
        android:id="@+id/textView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:gravity="center"
        android:text="Update Form "
        android:layout_span="1"
        android:textAppearance="?android:attr/textAppearanceLarge" />
  	        
 	</TableRow>

	<View
		android:layout_height="1dip"
		android:background="#CCCCCC" />
 
  <TableLayout 
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_weight="0.1"
        android:orientation="horizontal">

     <TableRow>
      <TextView
          android:layout_width="wrap_content"
          android:layout_height="wrap_content"
          android:text="MemberID "
          android:textAppearance="?android:attr/textAppearanceMedium" />
      <TextView
          android:layout_width="wrap_content"
          android:layout_height="wrap_content"
          android:gravity="center"
          android:layout_weight="0.2"
          android:text=" = " />
      <TextView
          android:id="@+id/txtMemberID"
          android:layout_width="wrap_content"
          android:layout_height="wrap_content"
          android:text="MemberID" />
     </TableRow>
     
	<TableRow>
      <TextView
          android:layout_width="wrap_content"
          android:layout_height="wrap_content"
          android:text="Username "
          android:textAppearance="?android:attr/textAppearanceMedium" />
      <TextView
          android:layout_width="wrap_content"
          android:layout_height="wrap_content"
          android:gravity="center"
          android:layout_weight="0.2"
          android:text=" = " />
      <TextView
          android:id="@+id/txtUsername"
          android:layout_width="wrap_content"
          android:layout_height="wrap_content"
          android:text="Username" />
     </TableRow>

      <TextView
          android:layout_width="wrap_content"
          android:layout_height="wrap_content"
          android:text="Input Password/Confirm Password :"
          android:textAppearance="?android:attr/textAppearanceMedium" />
		<TableRow>
      <EditText
          android:id="@+id/txtPassword"
          android:layout_width="wrap_content"
          android:layout_height="wrap_content"
          android:ems="6"
          android:inputType="textPassword" >
      </EditText>
      <TextView
          android:layout_width="wrap_content"
          android:layout_height="wrap_content"
          android:text=" Again " />

      <EditText
          android:id="@+id/txtConPassword"
          android:layout_width="wrap_content"
          android:layout_height="wrap_content"
          android:ems="7"
          android:inputType="textPassword" >
      </EditText>
      </TableRow>
      
      <TextView
          android:layout_width="wrap_content"
          android:layout_height="wrap_content"
          android:text="Input Name :"
          android:textAppearance="?android:attr/textAppearanceMedium" />

      <EditText
          android:id="@+id/txtName"
          android:layout_width="wrap_content"
          android:layout_height="wrap_content"
          android:ems="10" >
      </EditText>
      
      <TextView
          android:layout_width="wrap_content"
          android:layout_height="wrap_content"
          android:text="Input Email :"
          android:textAppearance="?android:attr/textAppearanceMedium" />

      <EditText
          android:id="@+id/txtEmail"
          android:layout_width="wrap_content"
          android:layout_height="wrap_content"
          android:inputType="textEmailAddress"
          android:ems="10" >
      </EditText>
      
      <TextView
          android:layout_width="wrap_content"
          android:layout_height="wrap_content"
          android:text="Input Tel :"
          android:textAppearance="?android:attr/textAppearanceMedium" />

      <EditText
          android:id="@+id/txtTel"
          android:layout_width="wrap_content"
          android:layout_height="wrap_content"
          android:inputType="phone"
          android:ems="10" >
      </EditText>

		<Button
		    android:id="@+id/btnSave"
		    android:layout_width="wrap_content"
		    android:layout_height="wrap_content"
		    android:text="Save" />

		<Button
		    android:id="@+id/btnCancel"
		    android:layout_width="wrap_content"
		    android:layout_height="wrap_content"
		    android:text="Cancel" />
  	        
 	</TableLayout >

	<View
		android:layout_height="1dip"
		android:background="#CCCCCC" />
   		  
   	<LinearLayout
      android:id="@+id/LinearLayout1"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:padding="5dip" >

   		<TextView
   		    android:id="@+id/textView2"
   		    android:layout_width="wrap_content"
   		    android:layout_height="wrap_content"
   		    android:text="By.. ThaiCreate.Com" />

	</LinearLayout>
	
</TableLayout>









MainActivity.java
package com.myapp;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.StatusLine;
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 org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import android.os.Bundle;
import android.os.StrictMode;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.util.Log;
import android.view.ContextMenu;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.LayoutInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.Menu;
import android.view.ViewGroup;
import android.view.inputmethod.InputMethodManager;
import android.widget.AdapterView;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;

public class MainActivity extends Activity {
	
	ArrayList<HashMap<String, String>> MyArrList;
	String[] Cmd = {"View","Update","Delete"};
	    
    @SuppressLint("NewApi")
	@Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        // Permission StrictMode
        if (android.os.Build.VERSION.SDK_INT > 9) {
            StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
            StrictMode.setThreadPolicy(policy);
        }
        
        ShowData();
        
        
        // btnSearch
        final Button btnSearch = (Button) findViewById(R.id.btnSearch);
        //btnSearch.setBackgroundColor(Color.TRANSPARENT);
        // Perform action on click
        btnSearch.setOnClickListener(new View.OnClickListener() {
            public void onClick(View v) {
            	ShowData();
            }
        });
        
    }
    
    public void ShowData()
    {
    	 // listView1
        final ListView lisView1 = (ListView)findViewById(R.id.listView1); 	
        
        // keySearch
        EditText strKeySearch = (EditText)findViewById(R.id.txtKeySearch); 
        
        // Disbled Keyboard auto focus
        InputMethodManager imm = (InputMethodManager)getSystemService(
      	      Context.INPUT_METHOD_SERVICE);
      	imm.hideSoftInputFromWindow(strKeySearch.getWindowToken(), 0);
        
		/**
		 * [{"MemberID":"1","Username":"weerachai","Password":"[email protected]","Name":"Weerachai Nukitram","Tel":"0819876107","Email":"[email protected]"},
		 * {"MemberID":"2","Username":"adisorn","Password":"[email protected]","Name":"Adisorn Bunsong","Tel":"021978032","Email":"[email protected]"},
		 * {"MemberID":"3","Username":"surachai","Password":"[email protected]","Name":"Surachai Sirisart","Tel":"0876543210","Email":"[email protected]"}]
		 */
		
		String url = "https://www.thaicreate.com/android/showAllData.php";
		
		// Paste Parameters
		List<NameValuePair> params = new ArrayList<NameValuePair>();
        params.add(new BasicNameValuePair("txtKeyword", strKeySearch.getText().toString()));

		try {
			JSONArray data = new JSONArray(getJSONUrl(url,params));
			
			
			MyArrList = new ArrayList<HashMap<String, String>>();
			HashMap<String, String> map;
			
			for(int i = 0; i < data.length(); i++){
                JSONObject c = data.getJSONObject(i);
                
    			map = new HashMap<String, String>();
    			map.put("MemberID", c.getString("MemberID"));
    			map.put("Username", c.getString("Username"));
    			map.put("Password", c.getString("Password"));
    			map.put("Name", c.getString("Name"));
    			map.put("Email", c.getString("Email"));
    			map.put("Tel", c.getString("Tel"));
    			MyArrList.add(map);
    			
			}

			lisView1.setAdapter(new ImageAdapter(this));
			
			registerForContextMenu(lisView1);
			
	        
		} catch (JSONException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
    }
    
    public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {

		menu.setHeaderIcon(android.R.drawable.btn_star_big_on);	
		menu.setHeaderTitle("Command");
		String[] menuItems = Cmd; 
		for (int i = 0; i<menuItems.length; i++) {
			menu.add(Menu.NONE, i, i, menuItems[i]);
		}
    }
    
    @Override
    public boolean onContextItemSelected(MenuItem item) {
    	AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo)item.getMenuInfo();
	    int menuItemIndex = item.getItemId();
		String[] menuItems = Cmd;
		String CmdName = menuItems[menuItemIndex];
	    
	    // Check Event Command
        if ("View".equals(CmdName)) {
          	 Toast.makeText(MainActivity.this,"Your Selected View",Toast.LENGTH_LONG).show();
          	 /**
          	  * Call the mthod
          	  */
        } else if ("Update".equals(CmdName)) {
        	Toast.makeText(MainActivity.this,"Your Selected Update",Toast.LENGTH_LONG).show(); 

			String sMemberID = MyArrList.get(info.position).get("MemberID").toString();
			String sName = MyArrList.get(info.position).get("Name").toString();
			String sTel = MyArrList.get(info.position).get("Tel").toString();
			
			Intent newActivity = new Intent(MainActivity.this,UpdateActivity.class);
			newActivity.putExtra("MemberID", sMemberID);
			startActivity(newActivity);
			
        } else if ("Delete".equals(CmdName)) {
          	 Toast.makeText(MainActivity.this,"Your Selected Delete",Toast.LENGTH_LONG).show(); 
          	 /**
          	  * Call the mthod
          	  */
        }        
    	return true;
    }

    
    public class ImageAdapter extends BaseAdapter 
    {
        private Context context;

        public ImageAdapter(Context c) 
        {
        	// TODO Auto-generated method stub
            context = c;
        }
 
        public int getCount() {
        	// TODO Auto-generated method stub
            return MyArrList.size();
        }
 
        public Object getItem(int position) {
        	// TODO Auto-generated method stub
            return position;
        }
 
        public long getItemId(int position) {
        	// TODO Auto-generated method stub
            return position;
        }
		public View getView(final int position, View convertView, ViewGroup parent) {
			// TODO Auto-generated method stub
			
			LayoutInflater inflater = (LayoutInflater) context
					.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
			
				if (convertView == null) {
					convertView = inflater.inflate(R.layout.activity_column, null); 
				}

				// ColMemberID
				TextView txtMemberID = (TextView) convertView.findViewById(R.id.ColMemberID);
				txtMemberID.setPadding(10, 0, 0, 0);
				txtMemberID.setText(MyArrList.get(position).get("MemberID") +".");
				
				// R.id.ColName
				TextView txtName = (TextView) convertView.findViewById(R.id.ColName);
				txtName.setPadding(5, 0, 0, 0);
				txtName.setText(MyArrList.get(position).get("Name"));
				
				// R.id.ColTel
				TextView txtTel = (TextView) convertView.findViewById(R.id.ColTel);
				txtTel.setPadding(5, 0, 0, 0);
				txtTel.setText(MyArrList.get(position).get("Tel"));
				
	 
				return convertView;
				
		}

    } 
    

	public String getJSONUrl(String url,List<NameValuePair> params) {
		StringBuilder str = new StringBuilder();
		HttpClient client = new DefaultHttpClient();
		HttpPost httpPost = new HttpPost(url);
		
		try {
			httpPost.setEntity(new UrlEncodedFormEntity(params));
			HttpResponse response = client.execute(httpPost);
			StatusLine statusLine = response.getStatusLine();
			int statusCode = statusLine.getStatusCode();
			if (statusCode == 200) { // Download OK
				HttpEntity entity = response.getEntity();
				InputStream content = entity.getContent();
				BufferedReader reader = new BufferedReader(new InputStreamReader(content));
				String line;
				while ((line = reader.readLine()) != null) {
					str.append(line);
				}
			} else {
				Log.e("Log", "Failed to download result..");
			}
		} catch (ClientProtocolException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
		return str.toString();
	}
	
    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.activity_main, menu);
        return true;
    }
    
}


UpdateActivity.java
package com.myapp;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
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.StatusLine;
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 org.json.JSONException;
import org.json.JSONObject;

import android.os.Bundle;
import android.os.StrictMode;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.Intent;
import android.util.Log;
import android.view.View;
import android.view.Menu;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

public class UpdateActivity extends Activity {
	   
    @SuppressLint("NewApi")
	@Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_update);

        // Permission StrictMode
        if (android.os.Build.VERSION.SDK_INT > 9) {
            StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
            StrictMode.setThreadPolicy(policy);
        }
        
        showInfo();
        
        // btnSave
        Button btnSave = (Button) findViewById(R.id.btnSave);
        // Perform action on click
        btnSave.setOnClickListener(new View.OnClickListener() {
            public void onClick(View v) {
            	if(SaveData())
            	{
            		// When Save Complete
        			Intent newActivity = new Intent(UpdateActivity.this,MainActivity.class);
        			startActivity(newActivity);
            	}
            }
        });
        
        
        // btnCancel
        final Button btnCancel = (Button) findViewById(R.id.btnCancel);
        // Perform action on click
        btnCancel.setOnClickListener(new View.OnClickListener() {
            public void onClick(View v) {
				Intent newActivity = new Intent(UpdateActivity.this,MainActivity.class);
				startActivity(newActivity);
            }
        });
        
    }
    
    public void showInfo()
    {
    	// txtMemberID,txtUsername,txtPassword,txtConPassword,txtName,txtEmail,txtTel
    	final TextView tMemberID = (TextView)findViewById(R.id.txtMemberID);
    	final TextView tUsername = (TextView)findViewById(R.id.txtUsername);
    	final TextView tPassword = (TextView)findViewById(R.id.txtPassword);
    	final TextView tConPassword = (TextView)findViewById(R.id.txtConPassword);
    	final TextView tName = (TextView)findViewById(R.id.txtName);
    	final TextView tEmail = (TextView)findViewById(R.id.txtEmail);
    	final TextView tTel = (TextView)findViewById(R.id.txtTel);
    	
    	Button btnSave = (Button) findViewById(R.id.btnSave);
    	Button btnCancel = (Button) findViewById(R.id.btnCancel);
    	
    	String url = "https://www.thaicreate.com/android/getByMemberID.php";
    	
    	Intent intent= getIntent();
    	final String MemberID = intent.getStringExtra("MemberID"); 

		List<NameValuePair> params = new ArrayList<NameValuePair>();
        params.add(new BasicNameValuePair("sMemberID", MemberID));

        /** Get result from Server (Return the JSON Code)
         * 
         * {"MemberID":"2","Username":"adisorn","Password":"[email protected]","Name":"Adisorn Bunsong","Tel":"021978032","Email":"[email protected]"}
         */
        
    	String resultServer  = getHttpPost(url,params);
    	
        String strMemberID = "";
    	String strUsername = "";
    	String strPassword = "";
    	String strName = "";
    	String strEmail = "";
    	String strTel = "";
    	
    	JSONObject c;
		try {
			c = new JSONObject(resultServer);
			strMemberID = c.getString("MemberID");
			strUsername = c.getString("Username");
			strPassword = c.getString("Password");
			strName = c.getString("Name");
			strEmail = c.getString("Email");
			strTel = c.getString("Tel");
			
			if(!strMemberID.equals(""))
			{
				tMemberID.setText(strMemberID);
				tUsername.setText(strUsername);
				tPassword.setText(strPassword);
				tConPassword.setText(strPassword);
				tName.setText(strName);
				tEmail.setText(strEmail);
				tTel.setText(strTel);
			}
			else
			{
				tMemberID.setText("-");
				tUsername.setText("-");
				tName.setText("-");
				tEmail.setText("-");
				tTel.setText("-");
				btnSave.setEnabled(false);
				btnCancel.requestFocus();
			}
        	
		} catch (JSONException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		
    }
    
    
    public boolean SaveData()
    {
    	
        // txtMemberID,txtPassword,txtName,txtEmail,txtTel
        final TextView txtMemberID = (TextView)findViewById(R.id.txtMemberID); 
        final EditText txtPassword = (EditText)findViewById(R.id.txtPassword); 
        final EditText txtConPassword = (EditText)findViewById(R.id.txtConPassword); 
        final EditText txtName = (EditText)findViewById(R.id.txtName); 
        final EditText txtEmail = (EditText)findViewById(R.id.txtEmail); 
        final EditText txtTel = (EditText)findViewById(R.id.txtTel); 
        
            
    		// Dialog
        	final AlertDialog.Builder ad = new AlertDialog.Builder(this);

    		ad.setTitle("Error! ");
    		ad.setIcon(android.R.drawable.btn_star_big_on); 
    		ad.setPositiveButton("Close", null);

    		// Check Password
    		if(txtPassword.getText().length() == 0 || txtConPassword.getText().length() == 0 )
    		{
                ad.setMessage("Please input [Password/Confirm Password] ");
                ad.show();
                txtPassword.requestFocus();
                return false;
    		}
    		// Check Password and Confirm Password (Match)
    		if(!txtPassword.getText().toString().equals(txtConPassword.getText().toString()))
    		{
                ad.setMessage("Password and Confirm Password Not Match! ");
                ad.show();
                txtConPassword.requestFocus();
                return false;
    		}
    		// Check Name
    		if(txtName.getText().length() == 0)
    		{
                ad.setMessage("Please input [Name] ");
                ad.show();
                txtName.requestFocus();
                return false;
    		}
    		// Check Email
    		if(txtEmail.getText().length() == 0)
    		{
                ad.setMessage("Please input [Email] ");
                ad.show();
                txtEmail.requestFocus();
                return false;
    		}
      		// Check Tel
    		if(txtTel.getText().length() == 0)
    		{
                ad.setMessage("Please input [Tel] ");
                ad.show();
                txtTel.requestFocus();
                return false;
    		}
    		

     		String url = "https://www.thaicreate.com/android/updateData.php";
     		
    		List<NameValuePair> params = new ArrayList<NameValuePair>();
            params.add(new BasicNameValuePair("sMemberID", txtMemberID.getText().toString()));
            params.add(new BasicNameValuePair("sPassword", txtPassword.getText().toString()));
            params.add(new BasicNameValuePair("sName", txtName.getText().toString()));
            params.add(new BasicNameValuePair("sEmail", txtEmail.getText().toString()));
            params.add(new BasicNameValuePair("sTel", txtTel.getText().toString()));
            
            /** Get result from Server (Return the JSON Code)
             * StatusID = ? [0=Failed,1=Complete]
             * Error	= ?	[On case error return custom error message]
             * 
             * Eg Save Failed = {"StatusID":"0","Error":"Email Exists!"}
             * Eg Save Complete = {"StatusID":"1","Error":""}
             */
        	
            String resultServer  = getHttpPost(url,params);
            
            /*** Default Value ***/
        	String strStatusID = "0";
        	String strError = "Unknow Status!";
        	
        	JSONObject c;
			try {
				c = new JSONObject(resultServer);
            	strStatusID = c.getString("StatusID");
            	strError = c.getString("Error");
			} catch (JSONException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
			
			// Prepare Save Data
			if(strStatusID.equals("0"))
			{
                ad.setMessage(strError);
                ad.show();
				return false;
			}
			else
			{
				Toast.makeText(UpdateActivity.this, "Update Data Successfully", Toast.LENGTH_SHORT).show();
			}
       	            
    
    	return true;
    }
    
	public String getHttpPost(String url,List<NameValuePair> params) {
		StringBuilder str = new StringBuilder();
		HttpClient client = new DefaultHttpClient();
		HttpPost httpPost = new HttpPost(url);
		
		try {
			httpPost.setEntity(new UrlEncodedFormEntity(params));
			HttpResponse response = client.execute(httpPost);
			StatusLine statusLine = response.getStatusLine();
			int statusCode = statusLine.getStatusCode();
			if (statusCode == 200) { // Status OK
				HttpEntity entity = response.getEntity();
				InputStream content = entity.getContent();
				BufferedReader reader = new BufferedReader(new InputStreamReader(content));
				String line;
				while ((line = reader.readLine()) != null) {
					str.append(line);
				}
			} else {
				Log.e("Log", "Failed to download result..");
			}
		} catch (ClientProtocolException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
		return str.toString();
	}
	
    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.activity_main, menu);
        return true;
    }
    
}


AndroidManifest.xml
		<activity 
		    android:name="UpdateActivity"
		    android:theme="@style/AppTheme"
		    android:screenOrientation="portrait"            
		    android:label="@string/title_activity_main" />

เพิ่มคำสั่งนี้ลงในไฟล์ AndroidManifest.xml



Screenshot

Android Update Data to  Web Server Database

หน้าจอแสดงข้อมูลทั้งหมด

Android Update Data to  Web Server Database

ให้ Long Click แต่ล่ะรายการจากนั้นจะมี Context Menu ให้เลือก Edit

Android Update Data to  Web Server Database

แสดงข้อมูลสำหรับการอัพเดด ในนี้จะลองแก้ไขข้อมูล Name

Android Update Data to  Web Server Database

ทดสอบการแก้ไขข้อมูล Name

Android Update Data to  Web Server Database

เลือก Save เพื่อบันทึกการแก้ไข

Android Update Data to  Web Server Database

หลังจากแก้ไขเรียบร้อยแล้ว เมื่อกลับไปดูข้อมูลที่ Web Server ก็จะเห็นข้อมูลถุกแก้ไขเรียบร้อย


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ช่วยกันสนับสนุนรักษาเว็บไซต์ความรู้แห่งนี้ไว้ด้วยการสนับสนุน Source Code 2.0 ของทีมงานไทยครีเอท


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  By : ThaiCreate.Com Team (บทความเป็นลิขสิทธิ์ของเว็บไทยครีเอทห้ามนำเผยแพร่ ณ เว็บไซต์อื่น ๆ)
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  Create/Update Date : 2012-08-11 14:27:12 / 2017-03-26 22:58:59
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