show free slots android page

app/src/main/java/com/example/vehicleparkingsystem/ParkingSlots.java

+package com.example.vehicleparkingsystem;
+
+import androidx.annotation.RequiresApi;
+import androidx.appcompat.app.AlertDialog;
+import androidx.appcompat.app.AppCompatActivity;
+
+import android.content.DialogInterface;
+import android.graphics.Color;
+import android.os.AsyncTask;
+import android.os.Build;
+import android.os.Bundle;
+import android.view.View;
+import android.widget.Button;
+import android.widget.LinearLayout;
+
+import com.example.vehicleparkingsystem.Models.BaseURL;
+import com.example.vehicleparkingsystem.SQLite.Sqlitedb;
+
+import org.json.JSONArray;
+import org.json.JSONException;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Objects;
+
+import okhttp3.MediaType;
+import okhttp3.MultipartBody;
+import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.RequestBody;
+import okhttp3.Response;
+import okhttp3.ResponseBody;
+
+public class ParkingSlots extends AppCompatActivity {
+
+    LinearLayout L1,L2,L3,L4,L5,L6,L7,L8,L9,L10,L11,L12;
+    Button button;
+    String l1,l2,l3,l4,l5,l6,l7,l8,l9,l10,l11,l12;
+    ArrayList<Map<String, String>> SavedData;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_parking_slots);
+
+        L1 = findViewById(R.id.l1);
+        L2 = findViewById(R.id.l2);
+        L3 = findViewById(R.id.l3);
+        L4 = findViewById(R.id.l4);
+        L5 = findViewById(R.id.l5);
+        L6 = findViewById(R.id.l6);
+        L7 = findViewById(R.id.l7);
+        L8 = findViewById(R.id.l8);
+        L9 = findViewById(R.id.l9);
+        L10 = findViewById(R.id.l10);
+        L11 = findViewById(R.id.l11);
+        L12 = findViewById(R.id.l12);
+        button = findViewById(R.id.availability);
+
+        L1.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                confirmAlert("L1","1", L1);
+            }
+        });
+
+        L2.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                confirmAlert("L2","1", L2);
+            }
+        });
+
+        L3.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                confirmAlert("L3","1", L3);
+            }
+        });
+
+        L4.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                confirmAlert("L4","1", L4);
+            }
+        });
+
+        L5.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                confirmAlert("L5","10", L5);
+            }
+        });
+
+        L6.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                confirmAlert("L6","1", L6);
+            }
+        });
+
+        L7.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                confirmAlert("L7","1", L7);
+            }
+        });
+
+        L8.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                confirmAlert("L8","1", L8);
+            }
+        });
+
+        L9.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                confirmAlert("L9","1", L9);
+            }
+        });
+
+        L10.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                confirmAlert("L10","1", L10);
+            }
+        });
+
+        L11.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                confirmAlert("L11","1", L11);
+            }
+        });
+
+        L12.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                confirmAlert("L12","1", L12);
+            }
+        });
+
+        button.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                new SlotsIdentify().execute();
+            }
+        });
+
+
+    }
+
+    private class SlotsIdentify extends AsyncTask<String, String, String> {
+
+        @Override
+        protected void onPreExecute() {
+//            SavedData = Sqlitedb.Search(ParkingSlots.this,"SELECT * FROM ParkingSlots",3);
+//            System.out.println(SavedData);
+//
+//            if(!SavedData.isEmpty()){
+//                l1 = SavedData.get(0).get("2");
+//                l2 = SavedData.get(0).get("2");
+//                l3 = SavedData.get(0).get("2");
+//                l4 = SavedData.get(0).get("2");
+//                l5 = SavedData.get(0).get("2");
+//                l6 = SavedData.get(0).get("2");
+//                l7 = SavedData.get(0).get("2");
+//                l8 = SavedData.get(0).get("2");
+//                l9 = SavedData.get(0).get("2");
+//                l10 = SavedData.get(0).get("2");
+//                l11 = SavedData.get(0).get("2");
+//                l12 = SavedData.get(0).get("2");
+//
+//
+//                if(Objects.equals(l1, "1")){
+//                    L1.setBackgroundColor(Color.RED);
+//                }else if(Objects.equals(l2, "1")){
+//                    L2.setBackgroundColor(Color.RED);
+//                }else if(Objects.equals(l3, "1")){
+//                    L3.setBackgroundColor(Color.RED);
+//                }else if(Objects.equals(l4, "1")){
+//                    L4.setBackgroundColor(Color.RED);
+//                }else if(Objects.equals(l5, "1")){
+//                    L5.setBackgroundColor(Color.RED);
+//                }else if(Objects.equals(l6, "1")){
+//                    L6.setBackgroundColor(Color.RED);
+//                }else if(Objects.equals(l7, "1")){
+//                    L7.setBackgroundColor(Color.RED);
+//                }else if(Objects.equals(l8, "1")){
+//                    L8.setBackgroundColor(Color.RED);
+//                }else if(Objects.equals(l9, "1")){
+//                    L9.setBackgroundColor(Color.RED);
+//                }else if(Objects.equals(l10, "1")){
+//                    L10.setBackgroundColor(Color.RED);
+//                }else if(Objects.equals(l11, "1")){
+//                    L11.setBackgroundColor(Color.RED);
+//                }else if(Objects.equals(l12, "1")){
+//                    L12.setBackgroundColor(Color.RED);
+//                }
+//            }
+
+        }
+
+        @Override
+        protected void onPostExecute(String s) {
+
+
+        }
+
+        @RequiresApi(api = Build.VERSION_CODES.KITKAT)
+        @Override
+        protected String doInBackground(String... strings) {
+
+            try {
+
+                String Url = BaseURL.get_url() + "slot_availability";
+                OkHttpClient client = new OkHttpClient();
+
+                Request request = new Request.Builder()
+                        .url(Url)
+                        .get()
+                        .build();
+
+                try (Response response = client.newCall(request).execute()) {
+                    ResponseBody body = response.body();
+                    JSONArray json = new JSONArray(body.string());
+                    System.out.println(json);
+
+                    for (int i = 0; i < json.length(); i++) {
+                        l1 = json.getJSONObject(0).getString("1");
+                        l2 = json.getJSONObject(0).getString("2");
+                        l3 = json.getJSONObject(0).getString("3");
+                        l4 = json.getJSONObject(0).getString("4");
+                        l5 = json.getJSONObject(0).getString("5");
+                        l6 = json.getJSONObject(0).getString("6");
+                        l7 = json.getJSONObject(0).getString("7");
+                        l8 = json.getJSONObject(0).getString("8");
+                        l9 = json.getJSONObject(0).getString("9");
+                        l10 = json.getJSONObject(0).getString("10");
+                        l11 = json.getJSONObject(0).getString("11");
+                        l12 = json.getJSONObject(0).getString("12");
+                    }
+
+                    if(Objects.equals(l1, "1")){
+                        L1.setBackgroundColor(Color.RED);
+                    }if(Objects.equals(l2, "1")){
+                        L2.setBackgroundColor(Color.RED);
+                    }if(Objects.equals(l3, "1")){
+                        L3.setBackgroundColor(Color.RED);
+                    }if(Objects.equals(l4, "1")){
+                        L4.setBackgroundColor(Color.RED);
+                    }if(Objects.equals(l5, "1")){
+                        L5.setBackgroundColor(Color.RED);
+                    }if(Objects.equals(l6, "1")){
+                        L6.setBackgroundColor(Color.RED);
+                    }if(Objects.equals(l7, "1")){
+                        L7.setBackgroundColor(Color.RED);
+                    }if(Objects.equals(l8, "1")){
+                        L8.setBackgroundColor(Color.RED);
+                    }if(Objects.equals(l9, "1")){
+                        L9.setBackgroundColor(Color.RED);
+                    }if(Objects.equals(l10, "1")){
+                        L10.setBackgroundColor(Color.RED);
+                    }if(Objects.equals(l11, "1")){
+                        L11.setBackgroundColor(Color.RED);
+                    }if(Objects.equals(l12, "1")){
+                        L12.setBackgroundColor(Color.RED);
+                    }
+
+                } catch (IOException | JSONException e) {
+                    e.printStackTrace();
+                }
+
+                return null;
+            } finally {
+
+            }
+
+        }
+    }
+
+    private void confirmAlert(String slot, String status, LinearLayout layout) {
+
+        AlertDialog.Builder builder1 = new AlertDialog.Builder(ParkingSlots.this);
+        builder1.setMessage("Do you want to reserve this parking slot?");
+        builder1.setCancelable(true);
+
+        builder1.setPositiveButton(
+                "Yes",
+                new DialogInterface.OnClickListener() {
+                    public void onClick(DialogInterface dialog, int id) {
+                        Sqlitedb.InsertData(ParkingSlots.this, "ParkingSlots",
+                                "slot,status",
+                                "'" + slot + "','" + status + "'");
+
+                        layout.setBackgroundColor(Color.RED);
+                    }
+                });
+
+        builder1.setNegativeButton(
+                "No",
+                new DialogInterface.OnClickListener() {
+                    public void onClick(DialogInterface dialog, int id) {
+                        dialog.cancel();
+                    }
+                });
+
+        AlertDialog alert11 = builder1.create();
+        alert11.show();
+
+    }
+
+}
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