File not found exception when using ShapefileFeatureTable with ArcGIS on Android

Question

I'm trying to use ArcGIS to draw some shape file on the map using its ShapefileFeatureTable. But when I try the load the shape file I get a File not found Exception.
This is the code I'm using:

ShapefileFeatureTable shapefileFeatureTable;
try {
    shapefileFeatureTable = new ShapefileFeatureTable(Environment.getExternalStorageDirectory().getAbsolutePath() + "/shape.shp");
} catch (Exception e) {
    e.printStackTrace();
    Toast.makeText(this, "loading shape failed", Toast.LENGTH_SHORT).show();
    return;
}

The catch here is that the shape file actually exists on the sdcard. I debugged the code and reached this part which is throwing the exception:

static Geodatabase a(String var0) throws FileNotFoundException {
    File var1 = new File(var0);
    if(!var1.exists()) {
        throw new FileNotFoundException(var1 + " does not exist.");
    } else {
        return new Geodatabase(nativeOpenShapefile(var0)); // this is where it happens
    }
}

The native nativeOpenShapefile seems to not be able to see the file while the java part perfectly sees it. Check the stacktrace:

D/dalvikvm: Trying to load lib /data/data/com.hmomeni.arcgis/lib/libruntimecore_java.so 0x4163daf0 D/dalvikvm: Added shared lib /data/data/com.hmomeni.arcgis/lib/libruntimecore_java.so 0x4163daf0 W/System.err: java.lang.RuntimeException: Shape file not found: /storage/sdcard0/shape.shp W/System.err: at com.esri.core.geodatabase.Geodatabase.nativeOpenShapefile(Native Method) W/System.err: at com.esri.core.geodatabase.Geodatabase.a(SourceFile:126) W/System.err: at com.esri.core.geodatabase.ShapefileFeatureTable.(SourceFile:79) W/System.err: at com.hmomeni.arcgis.MainActivity.initView(MainActivity.java:32) W/System.err: at com.hmomeni.arcgis.MainActivity.onCreate(MainActivity.java:21) W/System.err: at android.app.Activity.performCreate(Activity.java:5031) W/System.err:
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1082) W/System.err: at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2038) W/System.err: at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2099) W/System.err: at android.app.ActivityThread.access$600(ActivityThread.java:134) W/System.err: at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1207) W/System.err: at android.os.Handler.dispatchMessage(Handler.java:99) W/System.err:
at android.os.Looper.loop(Looper.java:137) W/System.err: at android.app.ActivityThread.main(ActivityThread.java:4797) W/System.err: at java.lang.reflect.Method.invokeNative(Native Method) W/System.err: at java.lang.reflect.Method.invoke(Method.java:511) W/System.err: at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:776) W/System.err: at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:543) W/System.err: at dalvik.system.NativeStart.main(Native Method)

I wonder what could be the problem?

Answer 1

The problem turned out to be that I have not included all the necessary files that come with .shp file. There are other files needed for this purpose such as .shx, .dbf, .prj.
Including them all fixed the issue.

Answer 2

In AndroidManifest.xml, did you request permission to read and/or write the external storage?

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

or

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

Try each of those and see if it helps. See the ArcGIS Runtime documentation and read the section "Required permissions and features" for details.