Added gradle configuration tu enable APK split by abi to avoid java.l…

…ang.UnsatisfiedLinkError

app/build.gradle

@@ -24,6 +24,34 @@ android {
     }
 }
 
+//// DE-COMMENT THIS IF YOU HAVE ISSUES AT RUNTIME, CRASHING WITH java.lang.UnsatisfiedLinkError
+
+//android {
+//
+//    splits {
+//
+//        // Configures multiple APKs based on ABI.
+//        abi {
+//
+//            // Enables building multiple APKs per ABI.
+//            enable true
+//
+//            // By default all ABIs are included, so use reset() and include to specify that we only
+//            // want APKs for x86, armeabi-v7a, and mips.
+//
+//            // Resets the list of ABIs that Gradle should create APKs for to none.
+//            reset()
+//
+//            // Specifies a list of ABIs that Gradle should create APKs for.
+//            include 'armeabi-v7a', 'x86', 'x86_64' // de-comment this to test on emulator
+//            // include 'armeabi-v7a'
+//
+//            // Specifies that we do not want to also generate a universal APK that includes all ABIs.
+//            universalApk false
+//        }
+//    }
+//}
+
 dependencies {
     implementation fileTree(include: ['*.jar'], dir: 'libs')
     implementation 'com.android.support:appcompat-v7:27.1.1'

app/src/main/java/com/empatica/sample/MainActivity.java

@@ -163,8 +163,6 @@ private void initEmpaticaDeviceManager() {
         if (ContextCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
             ActivityCompat.requestPermissions(this, new String[] { Manifest.permission.ACCESS_COARSE_LOCATION }, REQUEST_PERMISSION_ACCESS_COARSE_LOCATION);
         } else {
-            // Create a new EmpaDeviceManager. MainActivity is both its data and status delegate.
-            deviceManager = new EmpaDeviceManager(getApplicationContext(), this, this);
 
             if (TextUtils.isEmpty(EMPATICA_API_KEY)) {
                 new AlertDialog.Builder(this)
@@ -179,6 +177,10 @@ public void onClick(DialogInterface dialog, int which) {
                         .show();
                 return;
             }
+
+            // Create a new EmpaDeviceManager. MainActivity is both its data and status delegate.
+            deviceManager = new EmpaDeviceManager(getApplicationContext(), this, this);
+
             // Initialize the Device Manager using your API key. You need to have Internet access at this point.
             deviceManager.authenticateWithAPIKey(EMPATICA_API_KEY);
         }