Android Web Server MySQL üzerinden php servis kullanarak veri çekme işlemi için örnek bir kod
Create Table
CREATE TABLE `customer` (
`CustomerID` varchar(4) NOT NULL,
`Name` varchar(50) NOT NULL,
`Email` varchar(50) NOT NULL,
`CountryCode` varchar(2) NOT NULL,
`Budget` double NOT NULL,
`Used` double NOT NULL,
PRIMARY KEY (`CustomerID`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8;
--
-- Dumping data for table `customer`
--
INSERT INTO `customer` VALUES ('C001', 'test1', 'test1@test.com', 'TR', 1000000, 600000);
INSERT INTO `customer` VALUES ('C002', 'test2', 'test2@test.com', 'EN', 2000000, 800000);
INSERT INTO `customer` VALUES ('C003', 'test2', 'test3@test.com', 'US', 3000000, 600000);
INSERT INTO `customer` VALUES ('C004', 'test4', 'test4@test.com', 'RU', 4000000, 100000);
getJSON.php
<?php
$objConnect = mysql_connect("localhost","root","root");
$objDB = mysql_select_db("mydatabase");
// $_POST["txtKeyword"] = "a"; // for Sample
$strKeyword = $_POST["txtKeyword"];
$strSQL = "SELECT * FROM customer WHERE 1 AND Name LIKE '%".$strKeyword."%' ";
$objQuery = mysql_query($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);
?>
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="Search Customer : "
android:layout_span="1"
android:textAppearance="?android:attr/textAppearanceMedium" />
<EditText
android:id="@+id/editText1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:ems="4" >
</EditText>
<Button
android:id="@+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="OK" />
</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.. ORHANTURK" />
</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/ColCustomerID" 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/ColEmail" android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="1" android:text="Email" android:textAppearance="?android:attr/textAppearanceSmall" /> </LinearLayout>
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.app.AlertDialog;
import android.content.DialogInterface;
import android.util.Log;
import android.view.View;
import android.view.Menu;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.SimpleAdapter;
public class MainActivity extends Activity {
@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);
}
final Button btn1 = (Button) findViewById(R.id.button1);
// Perform action on click
btn1.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
SearchData();
}
});
}
public void SearchData()
{
// listView1
final ListView lisView1 = (ListView)findViewById(R.id.listView1);
// editText1
final EditText inputText = (EditText)findViewById(R.id.editText1);
String url = "http://www.orhanturk.com.tr/android/getJSON.php";
// Paste Parameters
List<NameValuePair> params = new ArrayList<NameValuePair>();
params.add(new BasicNameValuePair("txtKeyword", inputText.getText().toString()));
try {
JSONArray data = new JSONArray(getJSONUrl(url,params));
final ArrayList<HashMap<String, String>> 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("CustomerID", c.getString("CustomerID"));
map.put("Name", c.getString("Name"));
map.put("Email", c.getString("Email"));
map.put("CountryCode", c.getString("CountryCode"));
map.put("Budget", c.getString("Budget"));
map.put("Used", c.getString("Used"));
MyArrList.add(map);
}
SimpleAdapter sAdap;
sAdap = new SimpleAdapter(MainActivity.this, MyArrList, R.layout.activity_column,
new String[] {"CustomerID", "Name", "Email"}, new int[] {R.id.ColCustomerID, R.id.ColName, R.id.ColEmail});
lisView1.setAdapter(sAdap);
final AlertDialog.Builder viewDetail = new AlertDialog.Builder(this);
// OnClick Item
lisView1.setOnItemClickListener(new OnItemClickListener() {
public void onItemClick(AdapterView<?> myAdapter, View myView,
int position, long mylng) {
String strCustomerID = MyArrList.get(position).get("CustomerID")
.toString();
String sName = MyArrList.get(position).get("Name")
.toString();
String strEmail = MyArrList.get(position).get("Email")
.toString();
String strCountryCode = MyArrList.get(position).get("CountryCode")
.toString();
String strBudget = MyArrList.get(position).get("Budget")
.toString();
String strUsed = MyArrList.get(position).get("Used")
.toString();
viewDetail.setIcon(android.R.drawable.btn_star_big_on);
viewDetail.setTitle("Member Detail");
viewDetail.setMessage("MemberID : " + strCustomerID + "\n"
+ "Name : " + sName + "\n"
+ "strEmail : " + strEmail + "\n"
+ "strCountryCode : " + strCountryCode + "\n"
+ "strBudget : " + strBudget + "\n"
+ "Used : " + strUsed);
viewDetail.setPositiveButton("OK",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog,
int which) {
// TODO Auto-generated method stub
dialog.dismiss();
}
});
viewDetail.show();
}
});
} catch (JSONException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
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 file..");
}
} 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;
}
}
Kaynak : Google