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How to display a map using shape files in Android?

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12-02-2016 01:29 AM
PeddirajuGinnedumu
by
New Contributor
‎12-02-2016 01:29 AM

I have tried with below code for read and display shapefile from my SD card

    ShapefileFeatureTable shapefileFeatureTable = null;    try {        shapefileFeatureTable = new ShapefileFeatureTable(Environment.getExternalStorageDirectory().getAbsolutePath()+"/India_SHP/INDIA.shp");        featureLayer = new FeatureLayer(shapefileFeatureTable);        featureLayer.setRenderer(new SimpleRenderer(new SimpleMarkerSymbol(                getResources().getColor(android.R.color.holo_blue_bright),                28, SimpleMarkerSymbol.STYLE.CIRCLE)));         mMapView.addLayer(featureLayer);     } catch (FileNotFoundException e) {        e.printStackTrace();    }

But it returning empty black screen, Can any one help me regarding this?

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EricBader
by
Occasional Contributor III
‎12-03-2016 06:03 PM

I see this happen sometimes when my app hasn't been granted external storage permissions. Does you manifest file have the following entry?

<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />

ShellyGill1
by Esri Contributor
Esri Contributor
‎12-06-2016 02:19 AM

Good point Eric, it's easy to get caught by this. Also, if you're working on Android Marshmallow or up, then these permissions will not automatically be granted at install time - so add code to check, then ask for permission when you run the app, and allow the user to agree or disagree - you can see an example of this in this sample on GitHub: arcgis-runtime-samples-android/MainActivity.java at master · Esri/arcgis-runtime-samples-android · G... .