private void init()

in LexSample/app/src/main/java/com/amazonaws/sample/lex/InteractiveVoiceActivity.java [57:96]
36 lines of code
2 McCabe index (conditional complexity)

    private void init() {
        voiceView = findViewById(R.id.voiceInterface);
        voiceView.setInteractiveVoiceListener(this);
        AWSMobileClient.getInstance().initialize(this, new Callback<UserStateDetails>() {
            @Override
            public void onResult(UserStateDetails result) {
                Log.d(TAG, "onResult: ");
                voiceView.getViewAdapter().setCredentialProvider(AWSMobileClient.getInstance());
                AWSMobileClient.getInstance().getCredentials();

                String identityId = AWSMobileClient.getInstance().getIdentityId();
                String botName = null;
                String botAlias = null;
                String botRegion = null;
                JSONObject lexConfig;
                try {
                    lexConfig = AWSMobileClient.getInstance().getConfiguration().optJsonObject("Lex");
                    lexConfig = lexConfig.getJSONObject(lexConfig.keys().next());

                    botName = lexConfig.getString("Name");
                    botAlias = lexConfig.getString("Alias");
                    botRegion = lexConfig.getString("Region");
                } catch (JSONException e) {
                    Log.e(TAG, "onResult: Failed to read configuration", e);
                }

                InteractionConfig lexInteractionConfig = new InteractionConfig(
                        botName,
                        botAlias,
                        identityId);
                voiceView.getViewAdapter().setInteractionConfig(lexInteractionConfig);
                voiceView.getViewAdapter().setAwsRegion(botRegion);
            }

            @Override
            public void onError(Exception e) {
                Log.e(TAG, "onError: ", e);
            }
        });
    }