Login Error Handeling

app/src/main/java/de/sebse/fuplanner/services/fulogin/FUAuthenticatorActivity.java

@@ -15,7 +15,9 @@ import android.view.View;
 import android.view.inputmethod.EditorInfo;
 import android.view.inputmethod.InputMethodManager;
 import android.widget.Button;
-import android.widget.EditText;
+import android.widget.TextView;
+
+import com.google.android.material.textfield.TextInputEditText;
 
 import de.sebse.fuplanner.R;
 
@@ -25,20 +27,15 @@ import static de.sebse.fuplanner.services.fulogin.UserLoginTask.PARAM_USER_PASS;
  * A login screen that offers login via email/password.
  */
 public class FUAuthenticatorActivity extends AccountAuthenticatorActivity {
-
-    /**
-     * Id to identity READ_CONTACTS permission request.
-     */
-    private static final int REQUEST_READ_CONTACTS = 0;
-
     /**
      * Keep track of the login task to ensure we can cancel it if requested.
      */
     UserLoginTask mAuthTask = null;
 
     // UI references.
-    private EditText mEmailView;
+    private TextInputEditText mEmailView;
-    EditText mPasswordView;
+    TextInputEditText mPasswordView;
+    TextView mErrorView;
     private View mProgressView;
     private View mLoginFormView;
 
@@ -61,6 +58,7 @@ public class FUAuthenticatorActivity extends AccountAuthenticatorActivity {
         mIsAddingNewAccount = getIntent().getBooleanExtra(ARG_IS_ADDING_NEW_ACCOUNT, false);
 
         setContentView(R.layout.activity_fu_authenticator);
+        mErrorView = findViewById(R.id.error_textview);
         // Set up the login form.
         mEmailView = findViewById(R.id.input_username);
 

app/src/main/java/de/sebse/fuplanner/services/fulogin/UserLoginTask.java

@@ -62,8 +62,8 @@ public class UserLoginTask extends AsyncTask<Void, Void, String> {
         CountDownLatch latch = new CountDownLatch(1);
         AtomicReference<String> login = new AtomicReference<>();
         NetworkErrorCallback errorFunc = error -> {
-            login.set("Error: "+String.valueOf(error.getCode()));
             log.e(error);
+            login.set("Error: "+String.valueOf(error.getCode()));
             latch.countDown();
         };
         switch (mTokenType) {
@@ -113,16 +113,20 @@ public class UserLoginTask extends AsyncTask<Void, Void, String> {
         mActivity.mAuthTask = null;
         mActivity.showProgress(false);
 
-        if (success != null) {
+        if (success != null && !success.startsWith("Error: ")) {
             final Intent res = new Intent();
             res.putExtra(AccountManager.KEY_ACCOUNT_NAME, mUsername);
             res.putExtra(AccountManager.KEY_ACCOUNT_TYPE, AccountGeneral.ACCOUNT_TYPE);
             res.putExtra(AccountManager.KEY_AUTHTOKEN, success);
             res.putExtra(PARAM_USER_PASS, mPassword);
             mActivity.finishLogin(res);
-        } else {
+        } else if (success != null && (success.contains("100143") || success.contains("100243"))) {
             mActivity.mPasswordView.setError(mActivity.getString(R.string.error_incorrect_password));
             mActivity.mPasswordView.requestFocus();
+        } else if (success != null) {
+            mActivity.mErrorView.setText(mActivity.getString(R.string.network_error_parameter, success.substring(7)));
+        } else {
+            mActivity.mErrorView.setText(R.string.network_error);
         }
     }
 

app/src/main/res/layout/activity_fu_authenticator.xml

@@ -41,16 +41,24 @@
                 android:layout_gravity="center_horizontal"
                 android:contentDescription="@string/cd_ic_launcher"/>
 
+            <TextView
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:id="@+id/error_textview"
+                android:textAppearance="@style/TextAppearance.Design.Error"
+                android:textColor="@color/colorFURed"
+                tools:text="@string/hello_blank_fragment" />
+
             <!-- Email Label -->
             <com.google.android.material.textfield.TextInputLayout
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:layout_marginTop="8dp"
                 android:layout_marginBottom="8dp">
-                <EditText android:id="@+id/input_username"
+                <com.google.android.material.textfield.TextInputEditText android:id="@+id/input_username"
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content"
-                    android:inputType="textEmailAddress"
+                    android:inputType="textNoSuggestions"
                     android:hint="@string/username"
                     android:autofillHints="username"
                     tools:targetApi="o" />
@@ -62,7 +70,7 @@
                 android:layout_height="wrap_content"
                 android:layout_marginTop="8dp"
                 android:layout_marginBottom="8dp">
-                <EditText android:id="@+id/input_password"
+                <com.google.android.material.textfield.TextInputEditText android:id="@+id/input_password"
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content"
                     android:inputType="textPassword"

app/src/main/res/values-de/strings.xml

@@ -112,4 +112,6 @@
     <string name="event_removed">Event entfernt: %1$s</string>
     <string name="gradebook_removed">Noteneintrag entfernt: %1$s</string>
     <string name="resource_removed">Ressource entfernt: %1$s</string>
+    <string name="network_error">Ein Netzwerkfehler ist aufgetreten!</string>
+    <string name="network_error_parameter">Ein Netzwerkfehler ist aufgetreten: %s!</string>
 </resources>

app/src/main/res/values/strings.xml

@@ -120,4 +120,6 @@
     <string name="resource_updated">Resource updated: %1$s</string>
     <string name="resource_added">New resource: %1$s</string>
     <string name="resource_removed">Resource removed: %1$s</string>
+    <string name="network_error">A network error occured!</string>
+    <string name="network_error_parameter">A network error occured: %s!</string>
 </resources>