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243 changes: 243 additions & 0 deletions
243
app/src/main/java/org/neshan/sample/starter/activity/Search.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,243 @@ | ||
| package org.neshan.sample.starter.activity; | ||
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| import android.app.Activity; | ||
| import android.graphics.BitmapFactory; | ||
| import android.os.AsyncTask; | ||
| import android.support.v7.app.AppCompatActivity; | ||
| import android.os.Bundle; | ||
| import android.support.v7.widget.LinearLayoutManager; | ||
| import android.support.v7.widget.RecyclerView; | ||
| import android.text.Editable; | ||
| import android.text.TextWatcher; | ||
| import android.util.Log; | ||
| import android.view.View; | ||
| import android.view.Window; | ||
| import android.view.WindowManager; | ||
| import android.view.inputmethod.InputMethodManager; | ||
| import android.widget.EditText; | ||
| import android.widget.Toast; | ||
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| import org.neshan.core.Bounds; | ||
| import org.neshan.core.LngLat; | ||
| import org.neshan.core.Range; | ||
| import org.neshan.core.ViewportBounds; | ||
| import org.neshan.core.ViewportPosition; | ||
| import org.neshan.layers.VectorElementLayer; | ||
| import org.neshan.sample.starter.R; | ||
| import org.neshan.sample.starter.adapter.SearchAdapter; | ||
| import org.neshan.sample.starter.model.search.Item; | ||
| import org.neshan.sample.starter.model.search.Location; | ||
| import org.neshan.sample.starter.model.search.NeshanSearch; | ||
| import org.neshan.sample.starter.network.GetDataService; | ||
| import org.neshan.sample.starter.network.RetrofitClientInstance; | ||
| import org.neshan.services.NeshanMapStyle; | ||
| import org.neshan.services.NeshanServices; | ||
| import org.neshan.styles.MarkerStyle; | ||
| import org.neshan.styles.MarkerStyleCreator; | ||
| import org.neshan.ui.MapEventListener; | ||
| import org.neshan.ui.MapView; | ||
| import org.neshan.utils.BitmapUtils; | ||
| import org.neshan.vectorelements.Marker; | ||
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|
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| import java.util.ArrayList; | ||
| import java.util.List; | ||
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| import retrofit2.Call; | ||
| import retrofit2.Callback; | ||
| import retrofit2.Response; | ||
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| public class Search extends AppCompatActivity implements SearchAdapter.OnSearchItemListener { | ||
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| private static final String TAG = "Search"; | ||
| // layer number in which map is added | ||
| final int BASE_MAP_INDEX = 0; | ||
| private EditText editText; | ||
| private RecyclerView recyclerView; | ||
| private List<Item> items; | ||
| private SearchAdapter adapter; | ||
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| // map UI element | ||
| private MapView map; | ||
| private VectorElementLayer markerLayer; | ||
| private VectorElementLayer centerMarkerLayer; | ||
| private Marker centerMarker; | ||
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| @Override | ||
| protected void onCreate(Bundle savedInstanceState) { | ||
| super.onCreate(savedInstanceState); | ||
| setContentView(R.layout.activity_search); | ||
| // everything related to ui is initialized here | ||
| initLayoutReferences(); | ||
| } | ||
|
|
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| // Initializing layout references (views, map and map events) | ||
| private void initLayoutReferences() { | ||
| // Initializing views | ||
| initViews(); | ||
| // Initializing mapView element | ||
| initMap(); | ||
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| //listen for search text change | ||
| editText.addTextChangedListener(new TextWatcher() { | ||
| @Override | ||
| public void beforeTextChanged(CharSequence s, int start, int count, int after) { | ||
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| } | ||
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| @Override | ||
| public void onTextChanged(CharSequence s, int start, int before, int count) { | ||
| } | ||
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| @Override | ||
| public void afterTextChanged(Editable s) { | ||
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| search(s.toString()); | ||
| Log.i(TAG, "afterTextChanged: " + s.toString()); | ||
| } | ||
| }); | ||
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| } | ||
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| // We use findViewByID for every element in our layout file here | ||
| private void initViews() { | ||
| map = findViewById(R.id.map); | ||
| editText = findViewById(R.id.search_editText); | ||
| recyclerView = findViewById(R.id.recyclerView); | ||
| items = new ArrayList<>(); | ||
| adapter = new SearchAdapter(items, this); | ||
| recyclerView.setLayoutManager(new LinearLayoutManager(this)); | ||
| recyclerView.setAdapter(adapter); | ||
| } | ||
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|
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| private void initMap() { | ||
| // add Standard_day map to layer BASE_MAP_INDEX | ||
| map.getOptions().setZoomRange(new Range(4.5f, 18f)); | ||
| map.getLayers().insert(BASE_MAP_INDEX, NeshanServices.createBaseMap(NeshanMapStyle.STANDARD_DAY)); | ||
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| // Creating a VectorElementLayer(called markerLayer) to add all markers to it and adding it to map's layers | ||
| markerLayer = NeshanServices.createVectorElementLayer(); | ||
| centerMarkerLayer = NeshanServices.createVectorElementLayer(); | ||
| map.getLayers().add(markerLayer); | ||
| map.getLayers().add(centerMarkerLayer); | ||
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| // Setting map focal position to a fixed position and setting camera zoom | ||
| LngLat lngLat = new LngLat(51.330743, 35.767234); | ||
| map.setFocalPointPosition(lngLat, 0); | ||
| map.setZoom(14f, 0); | ||
| centerMarker = new Marker(lngLat, getCenterMarkerStyle()); | ||
| centerMarkerLayer.add(centerMarker); | ||
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| } | ||
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| private void search(String term) { | ||
| final double lat = map.getFocalPointPosition().getY(); | ||
| final double lng = map.getFocalPointPosition().getX(); | ||
| final String requestURL = "https://api.neshan.org/v1/search?term=" + term + "&lat=" + lat + "&lng=" + lng; | ||
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| GetDataService api = RetrofitClientInstance.getRetrofitInstance().create(GetDataService.class); | ||
| Call<NeshanSearch> call = api.getNeshanSearch(requestURL); | ||
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| call.enqueue(new Callback<NeshanSearch>() { | ||
| @Override | ||
| public void onResponse(Call<NeshanSearch> call, Response<NeshanSearch> response) { | ||
| if (response.isSuccessful()) { | ||
| NeshanSearch neshanSearch = response.body(); | ||
| items = neshanSearch.getItems(); | ||
| adapter.updateList(items); | ||
| addCenterMarker(new LngLat(lng , lat)); | ||
| } else { | ||
| Log.i(TAG, "onResponse: " + response.code() + " " + response.message()); | ||
| Toast.makeText(Search.this, "خطا در برقراری ارتباط!", Toast.LENGTH_SHORT).show(); | ||
| } | ||
| } | ||
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| @Override | ||
| public void onFailure(Call<NeshanSearch> call, Throwable t) { | ||
| Log.i(TAG, "onFailure: " + t.getMessage()); | ||
| Toast.makeText(Search.this, "ارتباط برقرار نشد!", Toast.LENGTH_SHORT).show(); | ||
| } | ||
| }); | ||
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| } | ||
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| private void addCenterMarker(LngLat lngLat) { | ||
| centerMarker.setPos(lngLat); | ||
| } | ||
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| private MarkerStyle getCenterMarkerStyle() { | ||
| MarkerStyleCreator styleCreator = new MarkerStyleCreator(); | ||
| styleCreator.setSize(50); | ||
| styleCreator.setBitmap | ||
| (BitmapUtils.createBitmapFromAndroidBitmap | ||
| (BitmapFactory.decodeResource(getResources(), R.drawable.center_marker))); | ||
| return styleCreator.buildStyle(); | ||
| } | ||
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| private void addMarker(LngLat lngLat, float size) { | ||
| Marker marker = new Marker(lngLat, getMarkerStyle(size)); | ||
| markerLayer.add(marker); | ||
| } | ||
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| private MarkerStyle getMarkerStyle(float size) { | ||
| MarkerStyleCreator styleCreator = new MarkerStyleCreator(); | ||
| styleCreator.setSize(size); | ||
| styleCreator.setBitmap | ||
| (BitmapUtils.createBitmapFromAndroidBitmap | ||
| (BitmapFactory.decodeResource(getResources(), R.drawable.ic_marker))); | ||
| return styleCreator.buildStyle(); | ||
| } | ||
|
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| private void closeKeyBoard() { | ||
| InputMethodManager imm = (InputMethodManager) getSystemService(Activity.INPUT_METHOD_SERVICE); | ||
| if (getCurrentFocus() != null) { | ||
| imm.hideSoftInputFromWindow(getCurrentFocus().getWindowToken(), 0); | ||
| } | ||
| } | ||
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| public void showSearchClick(View view) { | ||
| closeKeyBoard(); | ||
| adapter.updateList(items); | ||
| markerLayer.clear(); | ||
| } | ||
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| public void showMarkersClick(View view) { | ||
| adapter.updateList(new ArrayList<Item>()); | ||
| closeKeyBoard(); | ||
| markerLayer.clear(); | ||
| double minLat = Double.MAX_VALUE; | ||
| double minLng = Double.MAX_VALUE; | ||
| double maxLat = Double.MIN_VALUE; | ||
| double maxLng = Double.MIN_VALUE; | ||
| for (Item item : items) { | ||
| Location location = item.getLocation(); | ||
| LngLat lngLat = new LngLat(location.getX(), location.getY()); | ||
| addMarker(lngLat, 15f); | ||
| minLat = Math.min(lngLat.getY(), minLat); | ||
| minLng = Math.min(lngLat.getX(), minLng); | ||
| maxLat = Math.max(lngLat.getY(), maxLat); | ||
| maxLng = Math.max(lngLat.getX(), maxLng); | ||
| } | ||
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| if (items.size() > 0) { | ||
| map.moveToCameraBounds(new Bounds(new LngLat(minLng, minLat), new LngLat(maxLng, maxLat)), | ||
| new ViewportBounds(new ViewportPosition(0, 0), new ViewportPosition(map.getWidth(), map.getHeight())), | ||
| true, 0.5f); | ||
| } | ||
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| } | ||
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| @Override | ||
| public void onSeachItemClick(LngLat lngLat) { | ||
| closeKeyBoard(); | ||
| markerLayer.clear(); | ||
| adapter.updateList(new ArrayList<Item>()); | ||
| map.setFocalPointPosition(lngLat, 0); | ||
| map.setZoom(16f, 0); | ||
| addMarker(lngLat, 30f); | ||
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| } | ||
| } |
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