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我有MainActivity其中添加了兩個片段選項卡，即「tab1和」tab2.tab 1在此過程中發送一些請求到服務器我想顯示進度對話框，但是當我通過錯誤消息「android.view.WindowManager $ BadTokenException：無法添加窗口 - 令牌null不是一個應用程序」，也有在標籤1段廣播接收器的一些實施也通過錯誤‘無法註冊接收器’如何在andorid中的片段選項卡中創建進度對話框？
進度對話框代碼： -
public class DialogUtils {
public static ProgressDialog showProgressDialog(Context context, String message) {
ProgressDialog m_Dialog = new ProgressDialog(context);
m_Dialog.setMessage(message);
m_Dialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
m_Dialog.setCancelable(false);
m_Dialog.show();
return m_Dialog;
}
}
Mainactivity code ： -
m_TabLayout = (TabLayout) findViewById(R.id.tab_layout);// finding Id of tablayout
m_ViewPager = (ViewPager) findViewById(R.id.pager);//finding Id of ViewPager
m_TabLayout.addTab(m_TabLayout.newTab().setText("Deals"));// add deal listin tab
m_TabLayout.addTab(m_TabLayout.newTab().setText("Stories"));
m_TabLayout.setTabGravity(TabLayout.GRAVITY_FILL);// setting Gravity of Tab
CDealMainListingPager m_oDealMainScreenPager = new CDealMainListingPager(getSupportFragmentManager(), m_TabLayout.getTabCount());
m_ViewPager.setAdapter(m_oDealMainScreenPager);// adiing adapter to ViewPager
m_ViewPager.addOnPageChangeListener(new TabLayout.TabLayoutOnPageChangeListener(m_TabLayout));// performing action of page changing
m_TabLayout.setOnTabSelectedListener(new TabLayout.OnTabSelectedListener() {
@Override
public void onTabSelected(TabLayout.Tab tab) {
m_ViewPager.setCurrentItem(tab.getPosition());
}
@Override
public void onTabUnselected(TabLayout.Tab tab) {
}
@Override
public void onTabReselected(TabLayout.Tab tab) {
}
});
和TAB1片段標籤的代碼： -
public static final String TAG = CDealAppListing.class.getSimpleName();
public static final int m_TRANSACTION_SUCCESSFUL = 0;
public static String m_szMobileNumber;//declaring String mobile number variable
public static String m_szEncryptedPassword;//declaring string password variable
public static String sz_RecordCount;// //declaring String record count variable variable
public static String sz_LastCount;//declaring String lastcount variable
private static ListView m_ListView;// declaring Listview variable..
private static CDealAppListingAdapter m_oAdapter;// declaring DealListingAdapter..
public CDealAppDatastorage item;// declaring DealAppdataStorage
public View mFooter;
public AppCompatButton m_BtnRetry;
/*This Broadcast receiver will listen network state accordingly
which enable or disable create an account button*/
private final BroadcastReceiver m_oInternetChecker = new BroadcastReceiver() {// creating broadcast to receive otp sent by server from Inbox...
@Override
public void onReceive(Context context, Intent intent) {// on receive method to read OTP sent by server
changeButtonState();// check whether edit text is empty or not
}
};
RequestQueue requestQueue;
JsonObjectRequest jsonObjectRequest;
private ArrayList<CDealAppDatastorage> s_oDataset;// declaring Arraylist variable
private int[] m_n_FormImage;//declaring integer array varaible
private View m_Main;//declaring View variable
private int m_n_DefaultRecordCount = 5;// intiallly record count is 5.
private int m_n_DeafalutLastCount = 0;//initally lastcount is 0.
private SwipeRefreshLayout mSwipeRefresh;
private ProgressDialog m_Dialog;
private boolean bBottomOfView;
private LinearLayout m_NoInternetWarning;
@Nullable
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
m_Main = inflater.inflate(R.layout.deal_listing, container, false);//intialize mainLayout
Log.i(TAG, "OnCreateView.........");
init();
return m_Main;
}
@Override
public void onResume() {
super.onResume();
Log.i(TAG, "onResume.........");
/*Registered Broadcast receiver*/
IntentFilter m_intentFilter = new IntentFilter();// creating object of Intentfilter class user for defining permission
m_intentFilter.addAction("android.net.conn.CONNECTIVITY_CHANGE");// action to check Internet connection
getActivity().registerReceiver(m_oInternetChecker, m_intentFilter);// register receiver....
getDetails();
}
public void changeButtonState() {
if (NetworkUtil.isConnected(getActivity())) {
m_BtnRetry.setEnabled(true);
m_BtnRetry.setBackgroundColor(Color.rgb(0, 80, 147));// set background color on eabled
} else {
m_BtnRetry.setEnabled(false);
m_BtnRetry.setBackgroundColor(Color.rgb(192, 192, 192));// color of login button
}
}
private void getDetails() {// get details of user from shared preference...
CLoginSessionManagement m_oSessionManagement = new CLoginSessionManagement(getActivity());// crating object of Login Session
HashMap<String, String> user = m_oSessionManagement.getLoginDetails();// get String from Login Session
m_szMobileNumber = user.get(CLoginSessionManagement.s_szKEY_MOBILE).trim();// getting password from saved preferences..........
m_szEncryptedPassword = user.get(CLoginSessionManagement.s_szKEY_PASSWORD).trim();// getting mobile num from shared preferences...
sz_RecordCount = String.valueOf(m_n_DefaultRecordCount);// increment of record count
m_n_DeafalutLastCount = 0;
sz_LastCount = String.valueOf(m_n_DeafalutLastCount);// increment of last count...
s_oDataset = new ArrayList<>();// making object of Arraylist
if (NetworkUtil.isConnected(getActivity())) {
m_NoInternetWarning.setVisibility(View.GONE);
postDealListingDatatoServer();// here sending request in onCreate
} else {
mSwipeRefresh.setVisibility(View.GONE);
m_NoInternetWarning.setVisibility(View.VISIBLE);
m_BtnRetry.setEnabled(false);
m_BtnRetry.setBackgroundColor(Color.rgb(192, 192, 192));// color of login button
}
}
@Override
public void onDestroy() {
super.onDestroy();
Log.i(TAG, "onDestroy...............");
getActivity().unregisterReceiver(m_oInternetChecker);// unregistaer broadcast receiver.
}
private void init() {// initialize controls
m_NoInternetWarning = (LinearLayout) m_Main.findViewById(R.id.no_internet_warning);
m_BtnRetry = (AppCompatButton) m_Main.findViewById(R.id.btn_retry);
m_BtnRetry.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
retryRequest(v);
}
});
m_ListView = (ListView) m_Main.findViewById(R.id.dealList);// findind Id of Listview
m_ListView.setFadingEdgeLength(0);
m_ListView.setOnScrollListener(this);
/*Swipe to refresh code*/
mSwipeRefresh = (SwipeRefreshLayout) m_Main.findViewById(R.id.swipe);
mSwipeRefresh.setColorSchemeResources(R.color.refresh_progress_1);
mSwipeRefresh.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
@Override
public void onRefresh() {
/*Here check net connection avialable or not */
if (NetworkUtil.isConnected(getActivity())) {
new Handler().postDelayed(new Runnable() {
@Override
public void run() {
sz_RecordCount = String.valueOf(m_n_DefaultRecordCount);// increment of record count
m_n_DeafalutLastCount = 0;
sz_LastCount = String.valueOf(m_n_DeafalutLastCount);// increment of last count...
swipeData();
}
}, 3500);
} else {
m_NoInternetWarning.setVisibility(View.VISIBLE);
mSwipeRefresh.setVisibility(View.GONE);
if (mSwipeRefresh.isRefreshing()) {
mSwipeRefresh.setRefreshing(false);
}
}
}
});
m_n_FormImage = new int[]{// defining Images in Integer array
R.drawable.amazon,
R.drawable.whatsapp,
R.drawable.zorpia,
R.drawable.path,
R.drawable.app_me,
R.drawable.evernote,
R.drawable.app_me};
}
public void retryRequest(View v) {
if (NetworkUtil.isConnected(getActivity())) {
m_BtnRetry.setEnabled(true);
m_BtnRetry.setBackgroundColor(Color.rgb(0, 80, 147));// set background color on eabled
sz_RecordCount = String.valueOf(m_n_DefaultRecordCount);// increment of record count
m_n_DeafalutLastCount = 0;
sz_LastCount = String.valueOf(m_n_DeafalutLastCount);// increment of last count...
postDealListingDatatoServer();
} else {
m_BtnRetry.setEnabled(false);
m_BtnRetry.setBackgroundColor(Color.rgb(192, 192, 192));// color of login button
}
}
/*This is new changes in code ....using Volley instead of AsynkTask*/
/*This method send request to server for deallisting*/
// this method send request to server for deal list....
public void postDealListingDatatoServer() {
try {
String json;
// 3. build jsonObject
final JSONObject jsonObject = new JSONObject();// making object of Jsons.
jsonObject.put("agentCode", m_szMobileNumber);// put mobile number
jsonObject.put("pin", m_szEncryptedPassword);// put password
jsonObject.put("recordcount", sz_RecordCount);// put record count
jsonObject.put("lastcountvalue", sz_LastCount);// put last count
System.out.println("Record Count:-" + sz_RecordCount);
System.out.println("LastCount:-" + sz_LastCount);
// 4. convert JSONObject to JSON to String
json = jsonObject.toString();// convert Json object to string
Log.i(TAG, "Server Request:-" + json);
m_Dialog = DialogUtils.showProgressDialog(getActivity().getApplicationContext(), "Loading...");
final String m_DealListingURL = "http://202.131.144.132:8080/json/metallica/getDealListInJSON";
JsonObjectRequest jsonObjectRequest = new JsonObjectRequest(Request.Method.POST, m_DealListingURL, jsonObject, new Response.Listener<JSONObject>() {
@Override
public void onResponse(JSONObject response) {
Log.i(TAG, "Server Response:-" + response);
m_Dialog.dismiss();
try {
int nResultCodeFromServer = Integer.parseInt(response.getString("resultcode"));
if (nResultCodeFromServer == m_TRANSACTION_SUCCESSFUL) {
JSONArray posts = response.optJSONArray("dealList");// get Deal list in array from response
s_oDataset.clear();
for (int i = 0; i < posts.length(); i++) {// loop for counting deals from server
JSONObject post = posts.getJSONObject(i);// counting deal based on index
item = new CDealAppDatastorage();// creating object of DealAppdata storage
item.setM_szHeaderText(post.getString("dealname"));// get deal name from response
item.setM_szsubHeaderText(post.getString("dealcode"));// get dealcode from response
item.setM_szDealValue(post.getString("dealvalue"));// get deal value from response
item.setM_n_Image(m_n_FormImage[i]);//set Image Index wise(Dummy)
s_oDataset.add(item);// add all items in ArrayList
}
if (!s_oDataset.isEmpty()) {// condition if data in arraylist is not empty
m_oAdapter = new CDealAppListingAdapter(getActivity(), s_oDataset);// create adapter object and add arraylist to adapter
m_ListView.setAdapter(m_oAdapter);//adding adapter to recyclerview
m_NoInternetWarning.setVisibility(View.GONE);
mSwipeRefresh.setVisibility(View.VISIBLE);
} else {
m_ListView.removeFooterView(mFooter);// else Load buttonvisibility set to Gone
}
}
if (response.getString("resultdescription").equalsIgnoreCase("Connection Not Available")) {//server based conditions
CSnackBar.getInstance().showSnackBarError(m_Main.findViewById(R.id.mainLayout), "Connection Lost !", getActivity());
} else if (response.getString("resultdescription").equalsIgnoreCase("Deal List Not Found")) {// serevr based conditions .....
CSnackBar.getInstance().showSnackBarError(m_Main.findViewById(R.id.mainLayout), "No more deals available", getActivity());
} else if (response.getString("resultdescription").equalsIgnoreCase("Technical Failure")) {
CSnackBar.getInstance().showSnackBarError(m_Main.findViewById(R.id.mainLayout), "Technical Failure", getActivity());
}
} catch (JSONException e) {
e.printStackTrace();
}
}
}, new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
Log.e(TAG, "Server error:-" + error);
m_Dialog.dismiss();
if (error instanceof TimeoutError) {
CSnackBar.getInstance().showSnackBarError(m_Main.findViewById(R.id.mainLayout), "Connection lost ! Please try again", getActivity());
} else if (error instanceof NetworkError) {
CSnackBar.getInstance().showSnackBarError(m_Main.findViewById(R.id.mainLayout), "No internet connection", getActivity());
mSwipeRefresh.setVisibility(View.GONE);
m_NoInternetWarning.setVisibility(View.VISIBLE);
}
}
});
RequestQueue requestQueue = Volley.newRequestQueue(getActivity());
requestQueue.add(jsonObjectRequest);
} catch (JSONException e) {
e.printStackTrace();
}
}
這是我展示錯誤： - java.lang.IllegalArgumentException異常：查看= com.android.internal.policy.impl.PhoneWindow $ DecorView {41fdc330 VE .... [R ...... d 0 ，0-456,144}不附着於窗口管理器 – Raj
在這一行： - – Raj
jsonObjectRequest jsonObjectRequest =新jsonObjectRequest（Request.Method.POST，m_DealListingURL，的JSONObject，新Response.Listener（）{ \t \t \t \t @Override \t \t \t \t public void onResponse（JSONObject response）{ \t \t \t \t \t Log.i（TAG，「服務器響應： - 」+響應）; \t \t \t \t \t如果（m_Dialog = NULL && m_Dialog.isShowing（）！）{ \t \t \t \t \t \t m_Dialog.dismiss（）; \t \t \t \t \t} –
Raj