【发布时间】：2017-12-27 03:43:06
【问题描述】：
美好的一天。我想问一下为什么我的listView在从服务器获取JSON响应后没有显示数据。我以为数据没有抓取，但是当我看到日志猫时，它成功抓取了，但没有显示在我的 listView 中。
但是当我在 messenger 中聊天时，我回到我的应用程序时显示了数据。起初，我不知道数据突然出现的原因。所以我想也许它被推迟了。所以我再次尝试并等待几分钟，但没有任何反应，没有显示数据。希望你能帮我解决这个问题。
我等了几分钟，结果就是这样。
12-25 21:00:48.809 7264-7264/com.sample.test D/MyAdapter: Cardview Elements
12-25 21:00:48.809 7264-7264/com.sample.test D/CardView Clicked: br code: 0
12-25 21:00:48.809 7264-7264/com.sample.test D/CardView Clicked: mem id: 202
12-25 21:00:48.809 7264-7264/com.sample.test D/CardView Clicked: sle code: 11
12-25 21:00:48.809 7264-7264/com.sample.test D/CardView Clicked: slc code: 13
12-25 21:00:48.809 7264-7264/com.sample.test D/CardView Clicked: slt code: 99
12-25 21:00:48.809 7264-7264/com.sample.test D/CardView Clicked: ref num: 531
12-25 21:00:48.822 7264-7269/com.sample.test I/art: Do partial code cache collection, code=23KB, data=30KB
12-25 21:00:48.823 7264-7269/com.sample.test I/art: After code cache collection, code=23KB, data=30KB
12-25 21:00:48.823 7264-7269/com.sample.test I/art: Increasing code cache capacity to 128KB
12-25 21:00:48.836 7264-7264/com.sample.test D/InputTransport: Input channel constructed: fd=66
12-25 21:00:48.836 7264-7264/com.sample.test D/ViewRootImpl@9eefd6b[Toast]: setView = android.widget.LinearLayout{7bab0c8 V.E...... ......I. 0,0-0,0} touchMode=true
12-25 21:00:48.852 7264-7264/com.sample.test D/AbsListView: Get MotionRecognitionManager
12-25 21:00:48.855 7264-7264/com.sample.test D/MotionRecognitionManager: mSContextService = com.samsung.android.hardware.context.ISemContextService$Stub$Proxy@e0baee3
12-25 21:00:48.858 7264-7264/com.sample.test D/MotionRecognitionManager: motionService = com.samsung.android.gesture.IMotionRecognitionService$Stub$Proxy@d4d0e0
12-25 21:00:48.858 7264-7264/com.sample.test D/MotionRecognitionManager: motionService = com.samsung.android.gesture.IMotionRecognitionService$Stub$Proxy@d4d0e0
12-25 21:00:48.861 7264-7347/com.sample.test D/NetworkSecurityConfig: No Network Security Config specified, using platform default
12-25 21:00:48.863 7264-7347/com.sample.test I/System.out: (HTTPLog)-Static: isSBSettingEnabled false
12-25 21:00:48.863 7264-7347/com.sample.test I/System.out: (HTTPLog)-Static: isSBSettingEnabled false
12-25 21:00:48.901 7264-7281/com.sample.test D/mali_winsys: EGLint new_window_surface(egl_winsys_display*, void*, EGLSurface, EGLConfig, egl_winsys_surface**, egl_color_buffer_format*, EGLBoolean) returns 0x3000, [705x132]-format:1
12-25 21:00:48.909 7264-7264/com.sample.test D/AbsListView: onsize change
12-25 21:00:48.914 7264-7264/com.sample.test V/InputMethodManager: Starting input: tba=android.view.inputmethod.EditorInfo@440563f nm : com.sample.test ic=null
12-25 21:00:48.914 7264-7264/com.sample.test I/InputMethodManager: [IMM] startInputInner - mService.startInputOrWindowGainedFocus
12-25 21:00:48.917 7264-7264/com.sample.test D/InputTransport: Input channel constructed: fd=80
12-25 21:00:48.917 7264-7264/com.sample.test D/InputTransport: Input channel destroyed: fd=81
12-25 21:00:48.917 7264-7264/com.sample.test D/ViewRootImpl@9eefd6b[Toast]: MSG_RESIZED_REPORT: ci=Rect(0, 0 - 0, 0) vi=Rect(0, 0 - 0, 0) or=1
12-25 21:00:50.256 7264-7264/com.sample.test D/SLDTLFragment onResponse: SL Details Response: {"sl_details":{"error":false,"sl_row":[{"tr_type":"RJ","credit":"94.17","tr_date":"2017-12-11"},{"tr_type":"RJ","credit":"94.17","tr_date":"2017-11-30"},{"tr_type":"RJ","credit":"94.17","tr_date":"2017-11-15"},{"tr_type":"RJ","credit":"94.17","tr_date":"2017-10-31"},{"tr_type":"RJ","credit":"94.17","tr_date":"2017-10-15"},{"tr_type":"GJ","credit":"0.00","tr_date":"2017-10-09"}]}}
12-25 21:00:50.256 7264-7264/com.sample.test D/LoginActivity: SL Details -error attribute : false
12-25 21:00:50.257 7264-7264/com.sample.test D/SLDTLFragment: SL Details -sl_row array : [{"tr_type":"RJ","credit":"94.17","tr_date":"2017-12-11"},{"tr_type":"RJ","credit":"94.17","tr_date":"2017-11-30"},{"tr_type":"RJ","credit":"94.17","tr_date":"2017-11-15"},{"tr_type":"RJ","credit":"94.17","tr_date":"2017-10-31"},{"tr_type":"RJ","credit":"94.17","tr_date":"2017-10-15"},{"tr_type":"GJ","credit":"0.00","tr_date":"2017-10-09"}]
12-25 21:00:50.826 7264-7264/com.sample.test D/ViewRootImpl@9eefd6b[Toast]: dispatchDetachedFromWindow
12-25 21:00:50.846 7264-7264/com.sample.test D/InputTransport: Input channel destroyed: fd=66
当我打开信使时
原木猫
12-25 20:46:26.498 30768-30768/com.sample.test D/ViewRootImpl@19e90b4[MainActivity]: MSG_WINDOW_FOCUS_CHANGED 0
12-25 20:46:26.612 30768-30768/com.sample.test D/InputTransport: Input channel destroyed: fd=80
点击聊天框后
原木猫
12-25 21:01:19.336 7264-7264/com.sample.test D/ViewRootImpl@8eff987[MainActivity]: MSG_RESIZED: ci=Rect(0, 72 - 0, 750) vi=Rect(0, 72 - 0, 750) or=1
12-25 21:01:19.370 7264-7264/com.sample.test D/SLDTL Adapter GetView: Trans type: android.support.v7.widget.AppCompatTextView{49a666a V.ED..... ......ID 0,0-0,0 #7f0800a3 app:id/sl_desc}
12-25 21:01:19.370 7264-7264/com.sample.test D/SLDTL Adapter GetView: Trans amount: android.support.v7.widget.AppCompatTextView{ee175b V.ED..... ......ID 0,0-0,0 #7f0800c5 app:id/trans_amount}
12-25 21:01:19.370 7264-7264/com.sample.test D/SLDTL Adapter GetView: Trans date: android.support.v7.widget.AppCompatTextView{bdfdbf8 V.ED..... ......ID 0,0-0,0 #7f0800c4 app:id/transDate}
12-25 21:01:19.379 7264-7264/com.sample.test D/SLDTL Adapter GetView: Trans type: android.support.v7.widget.AppCompatTextView{6d7c10d V.ED..... ......ID 0,0-0,0 #7f0800a3 app:id/sl_desc}
12-25 21:01:19.379 7264-7264/com.sample.test D/SLDTL Adapter GetView: Trans amount: android.support.v7.widget.AppCompatTextView{3bd58c2 V.ED..... ......ID 0,0-0,0 #7f0800c5 app:id/trans_amount}
12-25 21:01:19.379 7264-7264/com.sample.test D/SLDTL Adapter GetView: Trans date: android.support.v7.widget.AppCompatTextView{b616d3 V.ED..... ......ID 0,0-0,0 #7f0800c4 app:id/transDate}
12-25 21:01:19.387 7264-7264/com.sample.test D/SLDTL Adapter GetView: Trans type: android.support.v7.widget.AppCompatTextView{b2c5f3c V.ED..... ......ID 0,0-0,0 #7f0800a3 app:id/sl_desc}
12-25 21:01:19.387 7264-7264/com.sample.test D/SLDTL Adapter GetView: Trans amount: android.support.v7.widget.AppCompatTextView{b5104c5 V.ED..... ......ID 0,0-0,0 #7f0800c5 app:id/trans_amount}
12-25 21:01:19.387 7264-7264/com.sample.test D/SLDTL Adapter GetView: Trans date: android.support.v7.widget.AppCompatTextView{6513e1a V.ED..... ......ID 0,0-0,0 #7f0800c4 app:id/transDate}
12-25 21:01:19.395 7264-7264/com.sample.test D/SLDTL Adapter GetView: Trans type: android.support.v7.widget.AppCompatTextView{4d7b327 V.ED..... ......ID 0,0-0,0 #7f0800a3 app:id/sl_desc}
12-25 21:01:19.395 7264-7264/com.sample.test D/SLDTL Adapter GetView: Trans amount: android.support.v7.widget.AppCompatTextView{f9759d4 V.ED..... ......ID 0,0-0,0 #7f0800c5 app:id/trans_amount}
12-25 21:01:19.396 7264-7264/com.sample.test D/SLDTL Adapter GetView: Trans date: android.support.v7.widget.AppCompatTextView{ec8077d V.ED..... ......ID 0,0-0,0 #7f0800c4 app:id/transDate}
12-25 21:01:19.402 7264-7264/com.sample.test D/SLDTL Adapter GetView: Trans type: android.support.v7.widget.AppCompatTextView{a0c87be V.ED..... ......ID 0,0-0,0 #7f0800a3 app:id/sl_desc}
12-25 21:01:19.402 7264-7264/com.sample.test D/SLDTL Adapter GetView: Trans amount: android.support.v7.widget.AppCompatTextView{3a5e01f V.ED..... ......ID 0,0-0,0 #7f0800c5 app:id/trans_amount}
12-25 21:01:19.402 7264-7264/com.sample.test D/SLDTL Adapter GetView: Trans date: android.support.v7.widget.AppCompatTextView{ee40f6c V.ED..... ......ID 0,0-0,0 #7f0800c4 app:id/transDate}
12-25 21:01:19.403 7264-7264/com.sample.test D/AbsListView: onsize change
再次打开应用后
12-25 21:03:45.502 7264-7264/com.sample.test I/onResume: User is active. cancel timer
12-25 21:03:45.531 7264-7281/com.sample.test D/mali_winsys: EGLint new_window_surface(egl_winsys_display*, void*, EGLSurface, EGLConfig, egl_winsys_surface**, egl_color_buffer_format*, EGLBoolean) returns 0x3000, [1080x1920]-format:1
12-25 21:03:45.550 7264-7264/com.sample.test D/SLDTL Adapter GetView: Trans type: android.support.v7.widget.AppCompatTextView{1156b90 V.ED..... ......ID 24,53-64,106 #7f0800a3 app:id/sl_desc}
12-25 21:03:45.550 7264-7264/com.sample.test D/SLDTL Adapter GetView: Trans amount: android.support.v7.widget.AppCompatTextView{e44dc89 V.ED..... ......ID 928,49-1008,98 #7f0800c5 app:id/trans_amount}
12-25 21:03:45.550 7264-7264/com.sample.test D/SLDTL Adapter GetView: Trans date: android.support.v7.widget.AppCompatTextView{979d48e V.ED..... ......ID 24,106-204,155 #7f0800c4 app:id/transDate}
12-25 21:03:45.551 7264-7264/com.sample.test D/SLDTL Adapter GetView: Trans type: android.support.v7.widget.AppCompatTextView{ac82ccb V.ED..... ......ID 24,53-64,106 #7f0800a3 app:id/sl_desc}
12-25 21:03:45.551 7264-7264/com.sample.test D/SLDTL Adapter GetView: Trans amount: android.support.v7.widget.AppCompatTextView{4e31ca8 V.ED..... ......ID 928,49-1008,98 #7f0800c5 app:id/trans_amount}
12-25 21:03:45.551 7264-7264/com.sample.test D/SLDTL Adapter GetView: Trans date: android.support.v7.widget.AppCompatTextView{95e93c1 V.ED..... ......ID 24,106-204,155 #7f0800c4 app:id/transDate}
12-25 21:03:45.551 7264-7264/com.sample.test D/SLDTL Adapter GetView: Trans type: android.support.v7.widget.AppCompatTextView{a2313f2 V.ED..... ......ID 24,53-64,106 #7f0800a3 app:id/sl_desc}
12-25 21:03:45.551 7264-7264/com.sample.test D/SLDTL Adapter GetView: Trans amount: android.support.v7.widget.AppCompatTextView{2f6a43 V.ED..... ......ID 928,49-1008,98 #7f0800c5 app:id/trans_amount}
12-25 21:03:45.551 7264-7264/com.sample.test D/SLDTL Adapter GetView: Trans date: android.support.v7.widget.AppCompatTextView{962d8c0 V.ED..... ......ID 24,106-204,155 #7f0800c4 app:id/transDate}
12-25 21:03:45.552 7264-7264/com.sample.test D/SLDTL Adapter GetView: Trans type: android.support.v7.widget.AppCompatTextView{7ee3cb5 V.ED..... ......ID 24,53-64,106 #7f0800a3 app:id/sl_desc}
12-25 21:03:45.552 7264-7264/com.sample.test D/SLDTL Adapter GetView: Trans amount: android.support.v7.widget.AppCompatTextView{fed2f4a V.ED..... ......ID 928,49-1008,98 #7f0800c5 app:id/trans_amount}
12-25 21:03:45.552 7264-7264/com.sample.test D/SLDTL Adapter GetView: Trans date: android.support.v7.widget.AppCompatTextView{9a1debb V.ED..... ......ID 24,106-204,155 #7f0800c4 app:id/transDate}
12-25 21:03:45.559 7264-7264/com.sample.test D/SLDTL Adapter GetView: Trans type: android.support.v7.widget.AppCompatTextView{c7c4184 V.ED..... ......ID 24,53-64,106 #7f0800a3 app:id/sl_desc}
12-25 21:03:45.560 7264-7264/com.sample.test D/SLDTL Adapter GetView: Trans amount: android.support.v7.widget.AppCompatTextView{cf64d6d V.ED..... ......ID 928,49-1008,98 #7f0800c5 app:id/trans_amount}
12-25 21:03:45.561 7264-7264/com.sample.test D/SLDTL Adapter GetView: Trans date: android.support.v7.widget.AppCompatTextView{fc45da2 V.ED..... ......ID 24,106-204,155 #7f0800c4 app:id/transDate}
12-25 21:03:45.576 7264-7264/com.sample.test D/SLDTL Adapter GetView: Trans type: android.support.v7.widget.AppCompatTextView{2ac768f V.ED..... ......ID 0,0-0,0 #7f0800a3 app:id/sl_desc}
12-25 21:03:45.576 7264-7264/com.sample.test D/SLDTL Adapter GetView: Trans amount: android.support.v7.widget.AppCompatTextView{1283d1c V.ED..... ......ID 0,0-0,0 #7f0800c5 app:id/trans_amount}
12-25 21:03:45.576 7264-7264/com.sample.test D/SLDTL Adapter GetView: Trans date: android.support.v7.widget.AppCompatTextView{68bd25 V.ED..... ......ID 0,0-0,0 #7f0800c4 app:id/transDate}
12-25 21:03:45.577 7264-7264/com.sample.test D/AbsListView: onsize change
12-25 21:03:45.600 7264-7264/com.sample.test D/ViewRootImpl@8eff987[MainActivity]: MSG_WINDOW_FOCUS_CHANGED 1
12-25 21:03:45.601 7264-7264/com.sample.test V/InputMethodManager: Starting input: tba=android.view.inputmethod.EditorInfo@71710c6 nm : com.sample.test ic=null
12-25 21:03:45.601 7264-7264/com.sample.test I/InputMethodManager: [IMM] startInputInner - mService.startInputOrWindowGainedFocus
12-25 21:03:45.611 7264-7264/com.sample.test D/InputTransport: Input channel constructed: fd=74
数据在我的listView中显示成功。
这是我的 SLDTLFragment.java
代码public class SLDTLFragment extends Fragment {
private List<SLDTLData> sldtlDataList= new ArrayList<SLDTLData>();
private SLDTLAdapter adapter;
private ProgressDialog pDialog;
public SLDTLFragment() {
// Required empty public constructor
}
public void onCreate(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
pDialog = new ProgressDialog(this.getContext());
pDialog.setCancelable(false);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
String br_code = getArguments().getString("br_code");
String client_id = getArguments().getString("client_id");
String slc = getArguments().getString("slc");
String slt = getArguments().getString("slt");
String ref_no = getArguments().getString("ref_no");
// Log.d("SLDTLFragment","br code: "+br_code);
// Log.d("SLDTLFragment","client id: "+client_id);
// Log.d("SLDTLFragment","slc: "+slc);
// Log.d("SLDTLFragment","sle: "+sle);
// Log.d("SLDTLFragment","slt: "+slt);
// Log.d("SLDTLFragment","ref_no: "+ref_no);
//Passing data to getSLDTL method..
getSLDTL(br_code, client_id, slc, slt, ref_no);
View rootView= inflater.inflate(R.layout.fragment_sldtl, container, false);
//List
ListView listView= (ListView)rootView.findViewById(R.id.fragment_sldtl_ListView);
sldtlDataList= new ArrayList<>();
adapter= new SLDTLAdapter(getActivity(), sldtlDataList);
listView.setAdapter(adapter);
return rootView;
}
private void getSLDTL(final String br_code, final String client_id,
final String slc, final String slt, final String ref_no){
// Tag used to cancel the request
String tag_string_req = "req_sldtl";
pDialog.setMessage("Retrieving sl details ...");
showDialog();
StringRequest strReq= new StringRequest(Request.Method.POST,
AppConfig.URL_SL_DETAILS, new Response.Listener<String>() {
@Override
public void onResponse(String response) {
Log.d("SLDTLFragment onResponse", "SL Details Response: " + response.toString());
hideDialog();
try{
JSONObject jObj= new JSONObject(response.toString());
// boolean error= jObj.getBoolean("error");
if(!jObj.isNull("sl_details")){
JSONObject accountsObject = (JSONObject) jObj.get("sl_details");
// access individual json object thru jsonObject.get("FIELD_NAME")
Log.d("LoginActivity", "SL Details -error attribute : " + accountsObject.get("error").toString());
JSONArray slArray = accountsObject.optJSONArray("sl_row");
// Check if its login data i.e. user present
if (slArray != null) {
JSONArray array = accountsObject.getJSONArray("sl_row");
// access individual json array thru jsonObject.getJSONArray("FIELD_NAME")
Log.d("SLDTLFragment", "SL Details -sl_row array : " + accountsObject.getJSONArray("sl_row").toString());
for (int index=0; index < array.length(); index++) {
SLDTLData data= new SLDTLData();
JSONObject object = (JSONObject)array.get(index);
String tr_type= object.getString("tr_type");
// Log.d("SLDTLFragment", "SL Details -sle_code attribute : " + tr_type);
String credit_debit= object.getString("credit");
// Log.d("SLDTLFragment", "SL Details -sle_code attribute : " + credit_debit);
String tr_date= object.getString("tr_date");
// Log.d("SLDTLFragment", "SL Details -sle_code attribute : " + tr_date);
// Log.d("SLDTLFragment", "SL Details -------------------------------------------------------------------------------------");
data.setSldtl_trans_type(tr_type);
data.setSldtl_credit_debit(credit_debit);
data.setSldtltrans_date(tr_date);
sldtlDataList.add(data);
data.getSldtl_trans_type();
data.getSldtl_credit_debit();
data.getSldtltrans_date();
// Log.d("SLDTLFragment", "Get SLDTL: "+ sl_data.getSldtl_trans_type());
// Log.d("SLDTLFragment", "Get SLDTL: "+ sl_data.getSldtl_credit_debit());
// Log.d("SLDTLFragment", "Get SLDTL: "+ sl_data.getSldtltrans_date());
}
}
}else{
// a new JSON string that doesn't have sl_summ as member variable so display it and write new handler code
Log.d("SLDTLFragment", "Unknown JSON String : " + jObj.toString());
}
}catch(JSONException e){
e.printStackTrace();
}
}//end onResponse
}, new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
Log.e(TAG, "SLDTL response Error: " + error.getMessage());
}
}){
@Override
protected Map<String, String> getParams() {
// Posting params to register url
Map<String, String> params = new HashMap<String, String>();
params.put("br_code", br_code);
params.put("client_id", client_id);
params.put("slc_code", slc);
params.put("slt_code", slt);
params.put("ref_number", ref_no);
return params;
}
};
// Adding request to request queue
AppController.getInstance().addToRequestQueue(strReq, tag_string_req);
}
private void showDialog() {
if (!pDialog.isShowing())
pDialog.show();
}
private void hideDialog() {
if (pDialog.isShowing())
pDialog.dismiss();
}
}
SLDTLAdapter.java
public class SLDTLAdapter extends BaseAdapter {
private Activity activity;
private LayoutInflater inflater;
private List<SLDTLData> sl_data;
public SLDTLAdapter(Activity activity, List<SLDTLData>sl_data){
this.activity= activity;
this.sl_data= sl_data;
}
@Override
public View getView(int position, View ConvertView, ViewGroup parent) {
Log.d("SLDTL Adapter GetView","");
// if (inflater == null) //
// inflater = (LayoutInflater) activity
// .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
//
// if (ConvertView == null)
// ConvertView = inflater.inflate(R.layout.fragment_sldtl_row, null);
ConvertView = LayoutInflater.from(parent.getContext()).inflate(R.layout.fragment_sldtl_row, null);
TextView sl_type = (TextView) ConvertView.findViewById(R.id.sl_desc);
TextView trans_date = (TextView) ConvertView.findViewById(R.id.transDate);
TextView trans_amount = (TextView) ConvertView.findViewById(R.id.trans_amount);
TextView debitCredit = (TextView) ConvertView.findViewById(R.id.debitCredit);
SLDTLData sl= sl_data.get(position);
sl_type.setText(sl.getSldtl_trans_type());
trans_amount.setText(sl.getSldtl_credit_debit());
trans_date.setText(sl.getSldtltrans_date());
Log.d("SLDTL Adapter GetView","Trans type: " +sl_type);
Log.d("SLDTL Adapter GetView","Trans amount: " +trans_amount);
Log.d("SLDTL Adapter GetView","Trans date: " +trans_date);
return ConvertView;
}
@Override
public int getCount() {
return sl_data.size();
}
@Override
public Object getItem(int i) {
return sl_data.get(i);
}
@Override
public long getItemId(int i) {
return i;
}
}
【问题讨论】：