added logging

android/src/main/java/sq/flutter/tflite/TflitePlugin.java

@@ -194,9 +194,11 @@ public void onMethodCall(MethodCall call, Result result) {
   }
 
   private String loadModel(HashMap args) throws IOException {
+    Log.v("loadModel");
     String model = args.get("model").toString();
     Object isAssetObj = args.get("isAsset");
     boolean isAsset = isAssetObj == null ? false : (boolean) isAssetObj;
+    Log.v("isAsset=" + isAsset);
     MappedByteBuffer buffer = null;
     String key = null;
     AssetManager assetManager = null;
@@ -210,6 +212,7 @@ private String loadModel(HashMap args) throws IOException {
       long declaredLength = fileDescriptor.getDeclaredLength();
       buffer = fileChannel.map(FileChannel.MapMode.READ_ONLY, startOffset, declaredLength);
     } else {
+      Log.v("model=" + model);
       FileInputStream inputStream = new FileInputStream(new File(model));
       FileChannel fileChannel = inputStream.getChannel();
       long declaredLength = fileChannel.size();
@@ -228,6 +231,7 @@ private String loadModel(HashMap args) throws IOException {
         key = mRegistrar.lookupKeyForAsset(labels);
         loadLabels(assetManager, key);
       } else {
+        Log.v("loadLabels.key=" + key);
         loadLabels(null, key);
       }
     }
@@ -246,6 +250,7 @@ private void loadLabels(AssetManager assetManager, String path) {
       String line;
       labels = new Vector<>();
       while ((line = br.readLine()) != null) {
+        Log.v("line=" + line);
         labels.add(line);
       }
       labelProb = new float[1][labels.size()];