当我尝试解析json输出并在由片段组成的活动中显示我的输出时，我得到的应用程序没有响应。 随着输出不断变化，我根据我从respnse获得的小部件类型动态添加我的片段。 片段可以是10-15。正如在stackoverflow的答案之一中所见，我保留了我在单独线程上解析的逻辑，然后我在ui线程上添加片段。
@Override
protected void onPostExecute(String s) {
progressBar.setVisibility(View.GONE);
if (!s.equalsIgnoreCase("") && !s.equalsIgnoreCase("null")) {
fragment_container.setVisibility(View.VISIBLE);
network_error.setVisibility(View.GONE);
try {
JSONObject jsonObject = new JSONObject(s);
JSONArray widgetJsonArray = jsonObject.getJSONArray("widgets");
for (int i = 0; i < widgetJsonArray.length(); i++) {
JSONObject widgetObject = widgetJsonArray.getJSONObject(i);
String widget_type = widgetObject.getString("widget_type");
if (widget_type.equalsIgnoreCase("auto_product_deals")) {
processAutoProductDeals(widgetObject);
} else if (widget_type.equalsIgnoreCase("manual_product")) {
processManualProduct(widgetObject);
} else if (widget_type.equalsIgnoreCase("manual_list")) {
processManualList(widgetObject);
}
}
} catch (JSONException e) {
e.printStackTrace();
}
} else {
network_error.setVisibility(View.VISIBLE);
}
}
private void processManualList(final JSONObject widgetObject) {
Thread thread = new Thread() {
@Override
public void run() {
try {
ArrayList<ManualListPojo> listManual = new ArrayList<>();
JSONObject dataObject = widgetObject.getJSONObject("data");
String title = dataObject.getString("title");
if (!title.equalsIgnoreCase("shop by brand") && !title.equalsIgnoreCase("shop by discount")) {
JSONArray dealsArray = dataObject.getJSONArray("deals");
for (int i = 0; i < dealsArray.length(); i++) {
ManualListPojo manualDealPojo = new ManualListPojo();
JSONObject manualObject = dealsArray.getJSONObject(i);
manualDealPojo.setTitle(manualObject.getString("title"));
manualDealPojo.setImage(manualObject.getString("image"));
manualDealPojo.setPrice_text(manualObject.getString("price_text"));
manualDealPojo.setValid_till(manualObject.getString("valid_till"));
manualDealPojo.setStore(manualObject.optString("store"));
JSONObject linkObject = manualObject.getJSONObject("link");
if (linkObject.has("category"))
manualDealPojo.setCategory(linkObject.getString("category"));
if (linkObject.has("comparables"))
manualDealPojo.setComparables(linkObject.getString("comparables"));
if (linkObject.has("url"))
manualDealPojo.setUrl(linkObject.getString("url"));
if (linkObject.has("filters")) {
JSONObject filtersObject = linkObject.getJSONObject("filters");
if (filtersObject.has("properties")) {
JSONArray properties = filtersObject.getJSONArray("properties");
ArrayList<String> propertiesArray = new ArrayList<>();
for (int j = 0; j < properties.length(); j++) {
propertiesArray.add(properties.getString(j));
}
manualDealPojo.setProperty(propertiesArray);
}
if (filtersObject.has("price")) {
JSONObject priceObject = filtersObject.optJSONObject("price");
manualDealPojo.setMin(priceObject.optString("min"));
manualDealPojo.setMax(priceObject.optString("max"));
}
manualDealPojo.setSort(filtersObject.optString("sort"));
}
listManual.add(manualDealPojo);
}
}
if (listManual.size() > 0) {
final Activity activity = (Activity) IndexActivity.this;
if (activity != null && !activity.isFinishing()) {
final FragmentManager fragmentManager = getFragmentManager();
final ManualListFragment hello = new ManualListFragment(listManual, title);
runOnUiThread(new Runnable() {
@Override
public void run() {
FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
fragmentTransaction.add(R.id.fragment_container, hello, "Manual_List");
fragmentTransaction.commitAllowingStateLoss();
}
});
}
}
} catch (JSONException e) {
e.printStackTrace();
}
}
};
thread.start();
}
private void processManualProduct(final JSONObject widgetObject) {
Thread thread = new Thread() {
@Override
public void run() {
try {
ArrayList<ItemPojo> listItem = new ArrayList<>();
JSONObject dataObject = widgetObject.getJSONObject("data");
String title = dataObject.getString("title");
JSONArray jsonItemArray = dataObject.getJSONArray("items");
for (int i = 0; i < jsonItemArray.length(); i++) {
JSONObject itemObject = jsonItemArray.getJSONObject(i);
ItemPojo itemPojoObject = new ItemPojo();
itemPojoObject.setImage(itemObject.getString("image"));
itemPojoObject.setId(itemObject.getString("id"));
itemPojoObject.setFinal_price(itemObject.getString("final_price"));
if (itemObject.has("mrp")) {
itemPojoObject.setMrp(itemObject.getString("mrp"));
}
itemPojoObject.setPrice(itemObject.getString("price"));
itemPojoObject.setTitle(itemObject.getString("title"));
itemPojoObject.setRatings(itemObject.getString("ratings"));
itemPojoObject.setDiscount(itemObject.getString("discount"));
itemPojoObject.setAvg_rating(itemObject.getString("avg_rating"));
listItem.add(itemPojoObject);
}
final Activity activity = (Activity) IndexActivity.this;
if (activity != null && !activity.isFinishing()) {
final FragmentManager fragmentManager = getFragmentManager();
final ManualProductFragment hello = new ManualProductFragment(listItem, title);
runOnUiThread(new Runnable() {
@Override
public void run() {
FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
fragmentTransaction.add(R.id.fragment_container, hello, "Manual_Product");
fragmentTransaction.commitAllowingStateLoss();
}
});
}
} catch (JSONException e) {
e.printStackTrace();
}
}
};
thread.start();
}
private void processAutoProductDeals(final JSONObject widgetObject) {
final Thread thread = new Thread() {
@Override
public void run() {
try {
ArrayList<DealPojo> listDeal = new ArrayList<>();
JSONObject dataObject = widgetObject.getJSONObject("data");
String title = dataObject.getString("title");
JSONArray dealsArray = dataObject.getJSONArray("deals");
for (int i = 0; i < dealsArray.length(); i++) {
JSONObject dealObject = dealsArray.getJSONObject(i);
DealPojo dealPojoObject = new DealPojo();
dealPojoObject.setStore(dealObject.getString("store"));
String url = dealObject.getString("url");
if (url.contains("sendtostore.php")) {
url.replace("sendtostore", "justswipe");
}
dealPojoObject.setUrl(url);
dealPojoObject.setId(dealObject.getString("id"));
dealPojoObject.setPrice(dealObject.getString("price"));
dealPojoObject.setMrp(dealObject.getString("mrp"));
dealPojoObject.setPrice_text(dealObject.getString("price_text"));
dealPojoObject.setTitle(dealObject.getString("title"));
dealPojoObject.setImage(dealObject.getString("image"));
listDeal.add(dealPojoObject);
}
final Activity activity = (Activity) IndexActivity.this;
if (activity != null && !activity.isFinishing()) {
final FragmentManager fragmentManager = getFragmentManager();
final AutoProductDeal hello = new AutoProductDeal(listDeal, title);
runOnUiThread(new Runnable() {
@Override
public void run() {
FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
fragmentTransaction.add(R.id.fragment_container, hello, "Auto_Product");
fragmentTransaction.commitAllowingStateLoss();
}
});
}
} catch (JSONException e) {
e.printStackTrace();
}
}
};
thread.start();
}