android和js互動資料格式

public class JsHead {
    protected int msgId;
    protected String url;

    public int getMsgId() {
        return msgId;
    }

    public void setMsgId(int msgId) {
        this.msgId = msgId;
    }

    public String getUrl() {
        return url;
    }

    public void setUrl(String url) {
        this.url = url;
    }

    @Override
    public String toString() {
        String string = new Gson().toJson(this);
        return string;
    }

}      
        
public class JsData extends JsHead {
    private String data;

    public String getData() {
        return data;
    }

    public void setData(String data) {
        this.data = data;
    }

    @Override
    public String toString() {
        String string = new Gson().toJson(this);
        return string;
    }
}
      
    
public class GaEvent {
    private String category;
    private String action;
    private String label;
    private long value;

    public String getCategory() {
        return category;
    }

    public void setCategory(String category) {
        this.category = category;
    }

    public String getAction() {
        return action;
    }

    public void setAction(String action) {
        this.action = action;
    }

    public String getLabel() {
        return label;
    }

    public void setLabel(String label) {
        this.label = label;
    }

    public long getValue() {
        return value;
    }

    public void setValue(long value) {
        this.value = value;
    }

    @Override
    public String toString() {
        String string = new Gson().toJson(this);
        return string;
    }      
    
@JavascriptInterface
    public void jsCallAndroid(String string) {
        Log.i("JsInterface", "string:" + string);
        Tracker tracker = null;
        if (mBaseFragment != null) {
            tracker = mBaseFragment.getmTracker();
        } else if (mLifeActivity != null) {
            tracker = mLifeActivity.getmTracker();
        }

        JSONObject jsonObj = null;
        int msgId = -1;
        String url = null;
        String data = "";
        try {
            jsonObj = new JSONObject(string);
            msgId = jsonObj.optInt("msgId");
            url = jsonObj.optString("url");
            data = jsonObj.optString("data");
        } catch (JSONException e) {
            e.printStackTrace();
        }
        switch(msgId)
        {
            case 1:
                if(!TextUtils.isEmpty(data)){
                    String category = null;
                    String action = null;
                    String label = null;
                    long value = 0;

//                    Gson gson = new Gson();
//                    GaEvent gaEvent = gson.fromJson(data, GaEvent.class);
//                    Log.i("JsInterface", "gaEvent:" + gaEvent);
//                    if (gaEvent != null) {
//                        category = gaEvent.getCategory();
//                        action = gaEvent.getAction();
//                        label = gaEvent.getLabel();
//                    }
                    try {
                        jsonObj = new JSONObject(data);
                        category = jsonObj.optString("category");
                        action = jsonObj.optString("action");
                        label = jsonObj.optString("label");
                    } catch (JSONException e) {
                        e.printStackTrace();
                    }
                    HitBuilders.EventBuilder eventBuilder = new HitBuilders.EventBuilder();
                    if(!TextUtils.isEmpty(category)){
                        eventBuilder.setCategory(category);
                    }
                    if(!TextUtils.isEmpty(action)){
                        eventBuilder.setAction(action);
                    }
                    if(!TextUtils.isEmpty(label)){
                        eventBuilder.setLabel(label);
                    }
                    tracker.send(eventBuilder.build());
                }
                break;
        }
    }