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package com.mapbox.mapboxsdk.testapp.activity.annotation;
import android.annotation.SuppressLint;
import android.graphics.Bitmap;
import android.graphics.Color;
import android.os.Bundle;
import android.support.annotation.DrawableRes;
import android.support.v7.app.AppCompatActivity;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.ImageView;
import android.widget.TextView;
import com.mapbox.mapboxsdk.annotations.Icon;
import com.mapbox.mapboxsdk.annotations.IconFactory;
import com.mapbox.mapboxsdk.annotations.Marker;
import com.mapbox.mapboxsdk.annotations.MarkerOptions;
import com.mapbox.mapboxsdk.camera.CameraPosition;
import com.mapbox.mapboxsdk.camera.CameraUpdateFactory;
import com.mapbox.mapboxsdk.geometry.LatLng;
import com.mapbox.mapboxsdk.maps.MapView;
import com.mapbox.mapboxsdk.maps.MapboxMap;
import com.mapbox.mapboxsdk.maps.OnMapReadyCallback;
import com.mapbox.mapboxsdk.testapp.R;
import com.mapbox.mapboxsdk.testapp.utils.ViewToBitmapUtil;
import timber.log.Timber;
/**
* Test activity showcasing updating a Marker image when changing zoom levels
*/
public class AddRemoveMarkerActivity extends AppCompatActivity {
public static final double THRESHOLD = 5.0;
private MapView mapView;
private MapboxMap mapboxMap;
private double lastZoom;
private boolean isShowingHighThresholdMarker;
private boolean isShowingLowThresholdMarker;
private MarkerOptions lowThresholdMarker;
private MarkerOptions highThresholdMarker;
private Marker activeMarker;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_add_remove_marker);
View lowThresholdView = generateView("Low", R.drawable.ic_circle);
Bitmap lowThresholdBitmap = ViewToBitmapUtil.convertToBitmap(lowThresholdView);
Icon lowThresholdIcon = IconFactory.getInstance(this).fromBitmap(lowThresholdBitmap);
lowThresholdMarker = new MarkerOptions()
.icon(lowThresholdIcon)
.position(new LatLng(0.1, 0));
View highThesholdView = generateView("High", R.drawable.ic_circle);
Bitmap highThresholdBitmap = ViewToBitmapUtil.convertToBitmap(highThesholdView);
Icon highThresholdIcon = IconFactory.getInstance(this).fromBitmap(highThresholdBitmap);
highThresholdMarker = new MarkerOptions()
.icon(highThresholdIcon)
.position(new LatLng(0.1, 0));
mapView = (MapView) findViewById(R.id.mapView);
mapView.onCreate(savedInstanceState);
mapView.getMapAsync(new OnMapReadyCallback() {
@Override
public void onMapReady(MapboxMap mapboxMap) {
AddRemoveMarkerActivity.this.mapboxMap = mapboxMap;
updateZoom(mapboxMap.getCameraPosition().zoom);
mapboxMap.moveCamera(CameraUpdateFactory.zoomTo(4.9f));
mapboxMap.setOnCameraChangeListener(new MapboxMap.OnCameraChangeListener() {
@Override
public void onCameraChange(CameraPosition position) {
updateZoom(position.zoom);
}
});
}
});
}
@SuppressLint("InflateParams")
private View generateView(String text, @DrawableRes int drawableRes) {
View view = LayoutInflater.from(this).inflate(R.layout.view_custom_marker, null);
TextView textView = (TextView) view.findViewById(R.id.textView);
textView.setText(text);
textView.setTextColor(Color.WHITE);
ImageView imageView = (ImageView) view.findViewById(R.id.imageView);
imageView.setImageResource(drawableRes);
return view;
}
private void updateZoom(double zoom) {
if (lastZoom == zoom) {
return;
}
lastZoom = zoom;
if (zoom > THRESHOLD) {
showHighThresholdMarker();
} else {
showLowThresholdMarker();
}
}
private void showLowThresholdMarker() {
if (isShowingLowThresholdMarker) {
return;
}
isShowingLowThresholdMarker = true;
isShowingHighThresholdMarker = false;
if (activeMarker != null) {
Timber.d("Remove marker with " + activeMarker.getId());
mapboxMap.removeMarker(activeMarker);
} else {
Timber.e("active marker is null");
}
activeMarker = mapboxMap.addMarker(lowThresholdMarker);
Timber.d("showLowThresholdMarker() " + activeMarker.getId());
}
private void showHighThresholdMarker() {
if (isShowingHighThresholdMarker) {
return;
}
isShowingLowThresholdMarker = false;
isShowingHighThresholdMarker = true;
if (activeMarker != null) {
Timber.d("Remove marker with " + activeMarker.getId());
mapboxMap.removeMarker(activeMarker);
} else {
Timber.e("active marker is null");
}
activeMarker = mapboxMap.addMarker(highThresholdMarker);
Timber.d("showHighThresholdMarker() " + activeMarker.getId());
}
@Override
protected void onStart() {
super.onStart();
mapView.onStart();
}
@Override
protected void onResume() {
super.onResume();
mapView.onResume();
}
@Override
protected void onPause() {
super.onPause();
mapView.onPause();
}
@Override
protected void onStop() {
super.onStop();
mapView.onStop();
}
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
mapView.onSaveInstanceState(outState);
}
@Override
public void onLowMemory() {
super.onLowMemory();
mapView.onLowMemory();
}
@Override
protected void onDestroy() {
super.onDestroy();
mapView.onDestroy();
}
}
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