[英]get list view with specific records from server based on email address sent from android
我在服務器中有一個表,我想根據從android java代碼發送的電子郵件地址檢索特定記錄。
電子郵件地址存儲在全局變量中,我可以獲取其值,但是我不知道如何將其值發送到服務器並獲取記錄。
我的代碼從表中檢索所有記錄
請幫我做,我嘗試了3天,但是沒有解決辦法
這是我的PHP代碼:
<?php
$objConnect = mysql_connect("****","******","******");
$objDB = mysql_select_db("******");
$strSQL = "SELECT * FROM Appointment ";
$objQuery = mysql_query($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);
?>
這是我的Java代碼:
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 org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.StatusLine;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import android.os.Bundle;
import android.os.StrictMode;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.ClipData;
import android.content.ClipboardManager;
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.ListView;
import android.widget.SimpleAdapter;
import android.widget.Toast;
public class ServicesBMWGarageActivity extends Activity {
private ClipData myClip;
private ClipboardManager myClipboard;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.services_bmw_garage);
GlobalClass globalVariable = (GlobalClass) getApplicationContext();
// Get email from global/application context
final String Email = globalVariable.getEmail();
myClipboard = (ClipboardManager)getSystemService(CLIPBOARD_SERVICE);
// Permission StrictMode
if (android.os.Build.VERSION.SDK_INT > 9) {
StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
StrictMode.setThreadPolicy(policy);
}
// listView1
final ListView lisView1 = (ListView)findViewById(R.id.listView1);
String url = "http://ec2-54-148-64-28.us-west-2.compute.amazonaws.com/Codiad/workspace/BMWdatabase/MyAppointments.php";
try {
JSONArray data = new JSONArray(getJSONUrl(url));
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("A_ID", c.getString("A_ID"));
map.put("A_Model", c.getString("A_Model"));
map.put("A_Services", c.getString("A_Services"));
map.put("A_DATE", c.getString("A_DATE"));
MyArrList.add(map);
}
SimpleAdapter sAdap;
sAdap = new SimpleAdapter(ServicesBMWGarageActivity.this, MyArrList, R.layout.activity_column,
new String[] {"A_ID", "A_Model", "A_Services", "A_DATE"}, new int[] {R.id.ColMemberID, R.id.ColName, R.id.ColTel,R.id.Coldate });
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 A_ID1 = MyArrList.get(position).get("A_ID")
.toString();
String Type1 = MyArrList.get(position).get("A_Model")
.toString();
String Model1 = MyArrList.get(position).get("A_Services")
.toString();
String Model2 = MyArrList.get(position).get("A_DATE")
.toString();
final String phoneNumber = MyArrList.get(position).get("A_ID")
.toString();
//String sMemberID = ((TextView) myView.findViewById(R.id.ColMemberID)).getText().toString();
// String sName = ((TextView) myView.findViewById(R.id.ColName)).getText().toString();
// String sTel = ((TextView) myView.findViewById(R.id.ColTel)).getText().toString();
viewDetail.setIcon(android.R.drawable.btn_star_big_on);
viewDetail.setTitle("Appointment Detail");
viewDetail.setMessage("ID : " + A_ID1 + "\n"
+ "Vehicle Model : " + Type1 + "\n" + "Service Type : " + Model1
+ "\n" + "Date : " + Model2);
viewDetail.setPositiveButton("OK",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog,
int which) {
// TODO Auto-generated method stub
String text = phoneNumber;
myClip = ClipData.newPlainText("text", text);
myClipboard.setPrimaryClip(myClip);
Toast.makeText(getApplicationContext(), "Appointment ID Copied",
Toast.LENGTH_SHORT).show();
dialog.dismiss();
}
});
viewDetail.show();
}
});
} catch (JSONException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public String getJSONUrl(String url) {
StringBuilder str = new StringBuilder();
HttpClient client = new DefaultHttpClient();
HttpGet httpGet = new HttpGet(url);
try {
HttpResponse response = client.execute(httpGet);
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 results..");
}
} catch (ClientProtocolException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return str.toString();
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.main_activity_home_page, menu);
return true;
}
}
我找到了答案,問題解決了
這是一個簡單的解決方案
我只是將條件放在Java代碼中,而PHP代碼中沒有任何變化
變化是:
try {
JSONArray data = new JSONArray(getJSONUrl(url));
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("V_ID", c.getString("V_ID"));
map.put("V_Type", c.getString("V_Type"));
map.put("V_Model", c.getString("V_Model"));
map.put("V_Year", c.getString("V_Year"));
map.put("V_Plate", c.getString("V_Plate"));
map.put("ImagePath", c.getString("ImagePath"));
map.put("Email", c.getString("Email"));
String email = c.getString("Email");
GlobalClass globalVariable = (GlobalClass) getApplicationContext();
// Get name and email from global/application context
final String Email = globalVariable.getEmail();
if(email.equals(Email))
MyArrList.add(map);
}
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