kopia lustrzana https://github.com/sh123/codec2_talkie
175 wiersze
6.8 KiB
Java
175 wiersze
6.8 KiB
Java
package com.radio.codec2talkie.maps;
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import android.content.Context;
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import android.content.SharedPreferences;
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import android.graphics.Bitmap;
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import android.graphics.Canvas;
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import android.graphics.Color;
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import android.graphics.Paint;
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import android.graphics.Rect;
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import android.graphics.drawable.BitmapDrawable;
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import android.os.Bundle;
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import android.util.DisplayMetrics;
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import android.view.MenuItem;
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import androidx.appcompat.app.ActionBar;
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import androidx.appcompat.app.AppCompatActivity;
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import androidx.lifecycle.LiveData;
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import androidx.lifecycle.Observer;
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import androidx.lifecycle.ViewModelProvider;
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import androidx.preference.PreferenceManager;
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import com.radio.codec2talkie.R;
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import com.radio.codec2talkie.protocol.aprs.tools.AprsSymbolTable;
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import com.radio.codec2talkie.settings.PreferenceKeys;
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import com.radio.codec2talkie.storage.log.LogItemViewModel;
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import com.radio.codec2talkie.storage.log.group.LogItemGroup;
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import org.osmdroid.api.IMapController;
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import org.osmdroid.config.Configuration;
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import org.osmdroid.tileprovider.tilesource.TileSourceFactory;
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import org.osmdroid.util.GeoPoint;
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import org.osmdroid.views.MapController;
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import org.osmdroid.views.MapView;
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import org.osmdroid.views.overlay.ItemizedIconOverlay;
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import org.osmdroid.views.overlay.ItemizedOverlayWithFocus;
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import org.osmdroid.views.overlay.OverlayItem;
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import org.osmdroid.views.overlay.compass.CompassOverlay;
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import org.osmdroid.views.overlay.compass.InternalCompassOrientationProvider;
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import org.osmdroid.views.overlay.mylocation.GpsMyLocationProvider;
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import org.osmdroid.views.overlay.mylocation.MyLocationNewOverlay;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Observable;
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public class MapActivity extends AppCompatActivity {
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private static final String TAG = MapActivity.class.getSimpleName();
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private MapView _map;
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private IMapController _mapController;
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private CompassOverlay _compassOverlay;
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private MyLocationNewOverlay _myLocationNewOverlay;
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private ItemizedIconOverlay<OverlayItem> _objectOverlay;
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private ArrayList<OverlayItem> _objectOverlayItems;
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private LogItemViewModel _logItemViewModel;
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private AprsSymbolTable _aprsSymbolTable;
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private String _mySymbolCode;
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setTitle(R.string.menu_aprs_map);
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setContentView(R.layout.activity_map_view);
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ActionBar actionBar = getSupportActionBar();
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if (actionBar != null) actionBar.setDisplayHomeAsUpEnabled(true);
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Context context = getApplicationContext();
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Configuration.getInstance().setUserAgentValue("C2T");
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SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context);
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_aprsSymbolTable = AprsSymbolTable.getInstance(context);
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_mySymbolCode = sharedPreferences.getString(PreferenceKeys.APRS_SYMBOL, "/[");
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// map
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_map = findViewById(R.id.map);
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_map.setTileSource(TileSourceFactory.MAPNIK);
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_map.setMultiTouchControls(true);
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// controller
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_mapController = _map.getController();
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_mapController.zoomTo(5.0);
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// compass
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_compassOverlay = new CompassOverlay(context, new InternalCompassOrientationProvider(context), _map);
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_compassOverlay.enableCompass();
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_map.getOverlays().add(_compassOverlay);
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// my location
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_myLocationNewOverlay = new MyLocationNewOverlay(new GpsMyLocationProvider(context), _map);
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Bitmap myBitmapIcon = _aprsSymbolTable.bitmapFromSymbol(_mySymbolCode, true);
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_myLocationNewOverlay.setDirectionIcon(myBitmapIcon);
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_myLocationNewOverlay.setPersonIcon(myBitmapIcon);
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_myLocationNewOverlay.enableMyLocation();
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_myLocationNewOverlay.runOnFirstFix(() -> runOnUiThread(() -> {
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_mapController.setCenter(_myLocationNewOverlay.getMyLocation());
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_mapController.animateTo(_myLocationNewOverlay.getMyLocation());
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}));
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_map.getOverlays().add(_myLocationNewOverlay);
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// objects
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_objectOverlayItems = new ArrayList<OverlayItem>();
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_objectOverlay = new ItemizedIconOverlay<OverlayItem>(_objectOverlayItems, new ItemizedIconOverlay.OnItemGestureListener<OverlayItem>() {
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@Override
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public boolean onItemSingleTapUp(int index, OverlayItem item) {
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return false;
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}
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@Override
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public boolean onItemLongPress(int index, OverlayItem item) {
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return false;
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}
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}, context);
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_map.getOverlays().add(_objectOverlay);
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// add data listener
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_logItemViewModel = new ViewModelProvider(this).get(LogItemViewModel.class);
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_logItemViewModel.getGroups().observe(this, logItemGroups -> {
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for (LogItemGroup group : logItemGroups) {
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String callsign = group.getSrcCallsign();
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Bitmap bitmapIcon = _aprsSymbolTable.bitmapFromSymbol(group.getSymbolCode(), false);
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if (bitmapIcon == null) continue;
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Paint paint = new Paint();
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paint.setStyle(Paint.Style.FILL);
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Rect bounds = new Rect();
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paint.getTextBounds(callsign, 0, callsign.length(), bounds);
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int width = Math.max(bitmapIcon.getWidth(), bounds.width());
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int height = bitmapIcon.getHeight() + bounds.height();
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Bitmap bitmap = Bitmap.createBitmap(width, height, null);
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bitmap.setDensity(DisplayMetrics.DENSITY_DEFAULT);
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Canvas canvas = new Canvas(bitmap);
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float bitmapLeft = width > bitmapIcon.getWidth() ? width / 2.0f - bitmapIcon.getWidth() / 2.0f : 0;
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canvas.drawBitmap(bitmapIcon, bitmapLeft, 0, null);
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paint.setColor(Color.WHITE);
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paint.setAlpha(120);
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bounds.set(0, bitmapIcon.getHeight(), width, height);
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canvas.drawRect(bounds, paint);
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paint.setColor(Color.BLACK);
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paint.setAlpha(255);
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paint.setTextSize(12);
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paint.setFlags(Paint.ANTI_ALIAS_FLAG);
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canvas.drawText(callsign, 0, height, paint);
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BitmapDrawable drawableText = new BitmapDrawable(getResources(), bitmap);
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OverlayItem overlayItemText = new OverlayItem(callsign, "", new GeoPoint(group.getLatitude(), group.getLongitude()));
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overlayItemText.setMarker(drawableText);
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_objectOverlay.addItem(overlayItemText);
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}
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});
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}
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@Override
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public boolean onOptionsItemSelected(MenuItem item)
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{
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int itemId = item.getItemId();
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if (itemId == android.R.id.home) {
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finish();
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return true;
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}
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return super.onOptionsItemSelected(item);
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}
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}
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