└── src
    └── main
        ├── AndroidManifest.xml
        ├── assets
        ├── java
        └── res
            ├── values-zh-rCN
            │   └── custom_strings.xml
            └── values-zh-rHK
                └── custom_strings.xml

CustomConfigUi customConfigUi = new CustomConfigUi();
// Custom portrait layout
customConfigUi.setPortraitLayoutResId(R.layout.demo_ocr_detect_fragment);
// Custom landscape layout (landscape mode must also be enabled)
customConfigUi.setLandscape(true);
customConfigUi.setLandscapeLayoutResId(R.layout.demo_ocr_detect_hor_fragment);

OcrCloudConfig config = new OcrCloudConfig();
config.setSdkToken(sdkToken);
config.setServerParamInfo(serverParamInfo);
config.setCustomConfigUi(customConfigUi);
OcrOverseasCloudKit.getInstance().startCloudOcr(activity, config, resultListener);

OcrOverseasCloudKit.getInstance().setCloudEventListener(new IOcrCloudEventListener() {
    @Override
    public void onMainViewCreate(View mainView) {
        // Callback for page creation (main thread)
        if (mainView != null) {
            Button button = mainView.findViewById(R.id.demo_test_button);
            // Registration and handling of button events. Remember to check whether the View is null.
            if (button != null) {
                button.setOnClickListener(v -> Log.d(TAG, "click"));
            }
        }
    }

    @Override
    public void onMainViewDestroy() {
        // Callback for page termination (main thread). Release all references here to avoid memory leaks.
    }

    @Override
    public void onEventParamMap(HashMap<String, Object> map) {
        // Pass through additional parameters
    }
});