improve error reporting a bit

org.fox.ttrss/src/main/java/org/fox/ttrss/ApiRequest.java

@@ -51,6 +51,7 @@ public class ApiRequest extends AsyncTask<HashMap<String,String>, Integer, JsonE
 	protected boolean m_canUseProgress = false;
 	protected Context m_context;
 	private SharedPreferences m_prefs;
+	protected String m_lastErrorMessage;
 
 	protected ApiError m_lastError;
 
@@ -257,9 +258,11 @@ public class ApiRequest extends AsyncTask<HashMap<String,String>, Integer, JsonE
 		    return null;
 		} catch (javax.net.ssl.SSLPeerUnverifiedException e) {
 			m_lastError = ApiError.SSL_REJECTED;
+			m_lastErrorMessage = e.getMessage();
 			e.printStackTrace();
 		} catch (IOException e) {
 			m_lastError = ApiError.IO_ERROR;
+			m_lastErrorMessage = e.getMessage();
 
 			if (e.getMessage() != null) {
 				if (e.getMessage().matches("Hostname [^ ]+ was not verified")) {
@@ -270,9 +273,11 @@ public class ApiRequest extends AsyncTask<HashMap<String,String>, Integer, JsonE
 			e.printStackTrace();
 		} catch (com.google.gson.JsonSyntaxException e) {
 			m_lastError = ApiError.PARSE_ERROR;
+			m_lastErrorMessage = e.getMessage();
 			e.printStackTrace();
 		} catch (Exception e) {
 			m_lastError = ApiError.OTHER_ERROR;
+			m_lastErrorMessage = e.getMessage();
 			e.printStackTrace();
 		}
 		

org.fox.ttrss/src/main/java/org/fox/ttrss/FeedCategoriesFragment.java

@@ -381,7 +381,13 @@ public class FeedCategoriesFragment extends BaseFeedlistFragment implements OnIt
 			if (m_lastError == ApiError.LOGIN_FAILED) {
 				m_activity.login(true);
 			} else {
-                m_activity.toast(getErrorMessage());
+
+				if (m_lastErrorMessage != null) {
+					m_activity.toast(getString(getErrorMessage()) + "\n" + m_lastErrorMessage);
+				} else {
+					m_activity.toast(getErrorMessage());
+				}
+				
 				//m_activity.setLoadingStatus(getErrorMessage(), false);
 			}
 		}

org.fox.ttrss/src/main/java/org/fox/ttrss/FeedsFragment.java

@@ -570,7 +570,13 @@ public class FeedsFragment extends BaseFeedlistFragment implements OnItemClickLi
 			if (m_lastError == ApiError.LOGIN_FAILED) {
 				m_activity.login(true);
 			} else {
-                m_activity.toast(getErrorMessage());
+
+				if (m_lastErrorMessage != null) {
+					m_activity.toast(getString(getErrorMessage()) + "\n" + m_lastErrorMessage);
+				} else {
+					m_activity.toast(getErrorMessage());
+				}
+
 				//m_activity.setLoadingStatus(getErrorMessage(), false);
 			}
 	    }

org.fox.ttrss/src/main/java/org/fox/ttrss/HeadlinesFragment.java

@@ -565,7 +565,13 @@ public class HeadlinesFragment extends Fragment implements OnItemClickListener,
 						if (m_lastError == ApiError.LOGIN_FAILED) {
 							m_activity.login(true);
 						} else {
-                            m_activity.toast(getErrorMessage());
+
+							if (m_lastErrorMessage != null) {
+								m_activity.toast(getString(getErrorMessage()) + "\n" + m_lastErrorMessage);
+							} else {
+								m_activity.toast(getErrorMessage());
+							}
+
 							//m_activity.setLoadingStatus(getErrorMessage(), false);
 						}
 					}

org.fox.ttrss/src/main/java/org/fox/ttrss/OnlineActivity.java

@@ -1148,6 +1148,20 @@ public class OnlineActivity extends CommonActivity {
         }
     }
 
+	private void setLoadingStatus(String status, boolean showProgress) {
+		TextView tv = (TextView) findViewById(R.id.loading_message);
+
+		if (tv != null) {
+			tv.setText(status);
+		}
+
+		View loadingContainer = findViewById(R.id.loading_container);
+
+		if (loadingContainer != null) {
+			loadingContainer.setVisibility(status.equals("") ? View.GONE : View.VISIBLE);
+		}
+	}
+
     protected void logout() {
 		setSessionId(null);
 
@@ -1628,6 +1642,12 @@ public class OnlineActivity extends CommonActivity {
 										
 										setLoadingStatus(getErrorMessage(), false);
 
+										if (m_lastErrorMessage != null) {
+											setLoadingStatus(getString(getErrorMessage()) + "\n\n" + m_lastErrorMessage, false);
+										} else {
+											setLoadingStatus(getErrorMessage(), false);
+										}
+										
 										if (m_listener != null) {
 											m_listener.OnLoginFailed();
 										} else {
@@ -1667,7 +1687,12 @@ public class OnlineActivity extends CommonActivity {
 			}
 
 			setSessionId(null);
-			setLoadingStatus(getErrorMessage(), false);
+
+			if (m_lastErrorMessage != null) {
+				setLoadingStatus(getString(getErrorMessage()) + "\n\n" + m_lastErrorMessage, false);
+			} else {
+				setLoadingStatus(getErrorMessage(), false);
+			}
 			
 			loginFailure();
 		}

org.fox.ttrss/src/main/java/org/fox/ttrss/util/HeadlinesRequest.java

@@ -118,7 +118,12 @@ public class HeadlinesRequest extends ApiRequest {
 		if (m_lastError == ApiError.LOGIN_FAILED) {
 			m_activity.login();
 		} else {
-            m_activity.toast(getErrorMessage());
+
+			if (m_lastErrorMessage != null) {
+				m_activity.toast(m_activity.getString(getErrorMessage()) + "\n" + m_lastErrorMessage);
+			} else {
+				m_activity.toast(getErrorMessage());
+			}
 			//m_activity.setLoadingStatus(getErrorMessage(), false);
 		}
     }