diff options
Diffstat (limited to 'platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/style/SymbolGeneratorActivity.java')
| -rw-r--r-- | platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/style/SymbolGeneratorActivity.java | 373 |
1 files changed, 0 insertions, 373 deletions
diff --git a/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/style/SymbolGeneratorActivity.java b/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/style/SymbolGeneratorActivity.java deleted file mode 100644 index e80d6fe3e1..0000000000 --- a/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/style/SymbolGeneratorActivity.java +++ /dev/null @@ -1,373 +0,0 @@ -package com.mapbox.mapboxsdk.testapp.activity.style; - -import android.content.Context; -import android.graphics.Bitmap; -import android.graphics.Canvas; -import android.graphics.Color; -import android.graphics.PointF; -import android.os.AsyncTask; -import android.os.Bundle; -import android.support.annotation.NonNull; -import android.support.v7.app.AppCompatActivity; -import android.view.Menu; -import android.view.MenuItem; -import android.view.View; -import android.widget.TextView; -import android.widget.Toast; - -import com.mapbox.geojson.Feature; -import com.mapbox.geojson.FeatureCollection; -import com.mapbox.mapboxsdk.maps.MapView; -import com.mapbox.mapboxsdk.maps.MapboxMap; -import com.mapbox.mapboxsdk.maps.OnMapReadyCallback; -import com.mapbox.mapboxsdk.maps.Style; -import com.mapbox.mapboxsdk.style.expressions.Expression; -import com.mapbox.mapboxsdk.style.layers.SymbolLayer; -import com.mapbox.mapboxsdk.style.sources.GeoJsonSource; -import com.mapbox.mapboxsdk.style.sources.Source; -import com.mapbox.mapboxsdk.testapp.R; -import com.mapbox.mapboxsdk.testapp.utils.ResourceUtils; - -import java.io.IOException; -import java.lang.ref.WeakReference; -import java.util.HashMap; -import java.util.List; - -import timber.log.Timber; - -import static com.mapbox.mapboxsdk.style.expressions.Expression.concat; -import static com.mapbox.mapboxsdk.style.expressions.Expression.division; -import static com.mapbox.mapboxsdk.style.expressions.Expression.downcase; -import static com.mapbox.mapboxsdk.style.expressions.Expression.eq; -import static com.mapbox.mapboxsdk.style.expressions.Expression.get; -import static com.mapbox.mapboxsdk.style.expressions.Expression.literal; -import static com.mapbox.mapboxsdk.style.expressions.Expression.match; -import static com.mapbox.mapboxsdk.style.expressions.Expression.number; -import static com.mapbox.mapboxsdk.style.expressions.Expression.pi; -import static com.mapbox.mapboxsdk.style.expressions.Expression.product; -import static com.mapbox.mapboxsdk.style.expressions.Expression.rgba; -import static com.mapbox.mapboxsdk.style.expressions.Expression.step; -import static com.mapbox.mapboxsdk.style.expressions.Expression.stop; -import static com.mapbox.mapboxsdk.style.expressions.Expression.string; -import static com.mapbox.mapboxsdk.style.expressions.Expression.upcase; -import static com.mapbox.mapboxsdk.style.expressions.Expression.zoom; -import static com.mapbox.mapboxsdk.style.layers.Property.ICON_ANCHOR_BOTTOM; -import static com.mapbox.mapboxsdk.style.layers.Property.TEXT_ANCHOR_TOP; -import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.iconAllowOverlap; -import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.iconAnchor; -import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.iconImage; -import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.iconOffset; -import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.iconOpacity; -import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.iconSize; -import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.textAnchor; -import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.textColor; -import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.textField; -import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.textSize; - -/** - * Test activity showcasing using a symbol generator that generates Bitmaps from Android SDK Views. - */ -public class SymbolGeneratorActivity extends AppCompatActivity implements OnMapReadyCallback { - - private static final String SOURCE_ID = "com.mapbox.mapboxsdk.style.layers.symbol.source.id"; - private static final String LAYER_ID = "com.mapbox.mapboxsdk.style.layers.symbol.layer.id"; - private static final String FEATURE_ID = "brk_name"; - private static final String FEATURE_RANK = "scalerank"; - private static final String FEATURE_NAME = "name_sort"; - private static final String FEATURE_TYPE = "type"; - private static final String FEATURE_REGION = "continent"; - - private MapView mapView; - private MapboxMap mapboxMap; - - @Override - public void onCreate(Bundle savedInstanceState) { - super.onCreate(savedInstanceState); - setContentView(R.layout.activity_symbol_generator); - - mapView = (MapView) findViewById(R.id.mapView); - mapView.onCreate(savedInstanceState); - mapView.getMapAsync(this); - } - - @Override - public void onMapReady(@NonNull final MapboxMap map) { - mapboxMap = map; - map.setStyle(Style.OUTDOORS, style -> { - addSymbolClickListener(); - new LoadDataTask(SymbolGeneratorActivity.this).execute(); - }); - } - - private void addSymbolClickListener() { - mapboxMap.addOnMapClickListener(point -> { - PointF screenPoint = mapboxMap.getProjection().toScreenLocation(point); - List<Feature> features = mapboxMap.queryRenderedFeatures(screenPoint, LAYER_ID); - if (!features.isEmpty()) { - Feature feature = features.get(0); - // validate symbol flicker regression for #13407 - SymbolLayer layer = mapboxMap.getStyle().getLayerAs(LAYER_ID); - layer.setProperties(iconOpacity(match( - get(FEATURE_ID), literal(1.0f), - stop(feature.getStringProperty(FEATURE_ID), 0.3f) - ))); - Timber.v("Feature was clicked with data: %s", feature.toJson()); - Toast.makeText( - SymbolGeneratorActivity.this, - "hello from: " + feature.getStringProperty(FEATURE_NAME), - Toast.LENGTH_LONG).show(); - } - - return false; - }); - } - - @Override - public boolean onCreateOptionsMenu(Menu menu) { - getMenuInflater().inflate(R.menu.menu_generator_symbol, menu); - return super.onCreateOptionsMenu(menu); - } - - @Override - public boolean onOptionsItemSelected(MenuItem item) { - if (item.getItemId() == R.id.menu_action_icon_overlap) { - SymbolLayer layer = mapboxMap.getStyle().getLayerAs(LAYER_ID); - layer.setProperties(iconAllowOverlap(!layer.getIconAllowOverlap().getValue())); - return true; - } else if (item.getItemId() == R.id.menu_action_filter) { - SymbolLayer layer = mapboxMap.getStyle().getLayerAs(LAYER_ID); - layer.setFilter(eq(get(FEATURE_RANK), literal(1))); - Timber.e("Filter that was set: %s", layer.getFilter()); - return true; - } - return super.onOptionsItemSelected(item); - } - - @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 - public void onSaveInstanceState(Bundle outState) { - super.onSaveInstanceState(outState); - mapView.onSaveInstanceState(outState); - } - - @Override - public void onLowMemory() { - super.onLowMemory(); - mapView.onLowMemory(); - } - - @Override - public void onDestroy() { - super.onDestroy(); - mapView.onDestroy(); - } - - /** - * Utility class to generate Bitmaps for Symbol. - * <p> - * Bitmaps can be added to the map with {@link com.mapbox.mapboxsdk.maps.MapboxMap#addImage(String, Bitmap)} - * </p> - */ - private static class SymbolGenerator { - - /** - * Generate a Bitmap from an Android SDK View. - * - * @param view the View to be drawn to a Bitmap - * @return the generated bitmap - */ - public static Bitmap generate(@NonNull View view) { - int measureSpec = View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED); - view.measure(measureSpec, measureSpec); - - int measuredWidth = view.getMeasuredWidth(); - int measuredHeight = view.getMeasuredHeight(); - - view.layout(0, 0, measuredWidth, measuredHeight); - Bitmap bitmap = Bitmap.createBitmap(measuredWidth, measuredHeight, Bitmap.Config.ARGB_8888); - bitmap.eraseColor(Color.TRANSPARENT); - Canvas canvas = new Canvas(bitmap); - view.draw(canvas); - return bitmap; - } - } - - private static class LoadDataTask extends AsyncTask<Void, Void, FeatureCollection> { - - private WeakReference<SymbolGeneratorActivity> activity; - - LoadDataTask(SymbolGeneratorActivity activity) { - this.activity = new WeakReference<>(activity); - } - - @Override - protected FeatureCollection doInBackground(Void... params) { - Context context = activity.get(); - if (context != null) { - try { - // read local geojson from raw folder - String tinyCountriesJson = ResourceUtils.readRawResource(context, R.raw.tiny_countries); - return FeatureCollection.fromJson(tinyCountriesJson); - - } catch (IOException exception) { - Timber.e(exception); - } - } - return null; - } - - @Override - protected void onPostExecute(FeatureCollection featureCollection) { - super.onPostExecute(featureCollection); - SymbolGeneratorActivity activity = this.activity.get(); - if (featureCollection == null || activity == null) { - return; - } - - activity.onDataLoaded(featureCollection); - } - } - - public void onDataLoaded(@NonNull FeatureCollection featureCollection) { - if (mapView.isDestroyed()) { - return; - } - - // create expressions - Expression iconImageExpression = string(get(literal(FEATURE_ID))); - Expression iconSizeExpression = division(number(get(literal(FEATURE_RANK))), literal(2.0f)); - Expression textSizeExpression = product(get(literal(FEATURE_RANK)), pi()); - Expression textFieldExpression = concat(upcase(literal("a ")), upcase(string(get(literal(FEATURE_TYPE)))), - downcase(literal(" IN ")), string(get(literal(FEATURE_REGION))) - ); - Expression textColorExpression = match(get(literal(FEATURE_RANK)), - literal(1), rgba(255, 0, 0, 1.0f), - literal(2), rgba(0, 0, 255.0f, 1.0f), - rgba(0.0f, 255.0f, 0.0f, 1.0f) - ); - - rgba( - division(literal(255), get(FEATURE_RANK)), - literal(0.0f), - literal(0.0f), - literal(1.0f) - ); - - // create symbol layer - SymbolLayer symbolLayer = new SymbolLayer(LAYER_ID, SOURCE_ID) - .withProperties( - // icon configuration - iconImage(iconImageExpression), - iconAllowOverlap(false), - iconSize(iconSizeExpression), - iconAnchor(ICON_ANCHOR_BOTTOM), - iconOffset(step(zoom(), literal(new float[] {0f, 0f}), - stop(1, new Float[] {0f, 0f}), - stop(10, new Float[] {0f, -35f}) - )), - - // text field configuration - textField(textFieldExpression), - textSize(textSizeExpression), - textAnchor(TEXT_ANCHOR_TOP), - textColor(textColorExpression) - ); - - // add a geojson source to the map - Source source = new GeoJsonSource(SOURCE_ID, featureCollection); - mapboxMap.getStyle().addSource(source); - - // add symbol layer - mapboxMap.getStyle().addLayer(symbolLayer); - - // get expressions - Expression iconImageExpressionResult = symbolLayer.getIconImage().getExpression(); - Expression iconSizeExpressionResult = symbolLayer.getIconSize().getExpression(); - Expression textSizeExpressionResult = symbolLayer.getTextSize().getExpression(); - Expression textFieldExpressionResult = symbolLayer.getTextField().getExpression(); - Expression textColorExpressionResult = symbolLayer.getTextColor().getExpression(); - - // log expressions - Timber.e(iconImageExpressionResult.toString()); - Timber.e(iconSizeExpressionResult.toString()); - Timber.e(textSizeExpressionResult.toString()); - Timber.e(textFieldExpressionResult.toString()); - Timber.e(textColorExpressionResult.toString()); - - // reset expressions - symbolLayer.setProperties( - iconImage(iconImageExpressionResult), - iconSize(iconSizeExpressionResult), - textSize(textSizeExpressionResult), - textField(textFieldExpressionResult), - textColor(textColorExpressionResult) - ); - - new GenerateSymbolTask(mapboxMap, this).execute(featureCollection); - } - - private static class GenerateSymbolTask extends AsyncTask<FeatureCollection, Void, HashMap<String, Bitmap>> { - - private MapboxMap mapboxMap; - private WeakReference<Context> context; - - GenerateSymbolTask(MapboxMap mapboxMap, Context context) { - this.mapboxMap = mapboxMap; - this.context = new WeakReference<>(context); - } - - @SuppressWarnings("WrongThread") - @Override - protected HashMap<String, Bitmap> doInBackground(FeatureCollection... params) { - HashMap<String, Bitmap> imagesMap = new HashMap<>(); - Context context = this.context.get(); - List<Feature> features = params[0].features(); - if (context != null && features != null) { - for (Feature feature : features) { - String countryName = feature.getStringProperty(FEATURE_ID); - TextView textView = new TextView(context); - textView.setBackgroundColor(context.getResources().getColor(R.color.blueAccent)); - textView.setPadding(10, 5, 10, 5); - textView.setTextColor(Color.WHITE); - textView.setText(countryName); - imagesMap.put(countryName, SymbolGenerator.generate(textView)); - } - } - return imagesMap; - } - - @Override - protected void onPostExecute(HashMap<String, Bitmap> bitmapHashMap) { - super.onPostExecute(bitmapHashMap); - mapboxMap.getStyle(new Style.OnStyleLoaded() { - @Override - public void onStyleLoaded(@NonNull Style style) { - style.addImagesAsync(bitmapHashMap); - } - }); - } - } -}
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