Some code cleaning.

app/src/main/java/apps/amine/bou/readerforselfoss/AddSourceActivity.kt

@@ -50,17 +50,22 @@ class AddSourceActivity : AppCompatActivity() {
             mustLoginToAddSource()
         }
 
-        val intent = intent
+        maybeGetDetailsFromIntentSharing(intent, mSourceUri, mNameInput)
-        if (Intent.ACTION_SEND == intent.action && "text/plain" == intent.type) {
-            mSourceUri.setText(intent.getStringExtra(Intent.EXTRA_TEXT))
-            mNameInput.setText(intent.getStringExtra(Intent.EXTRA_TITLE))
-        }
 
         mSaveBtn.setOnClickListener {
             handleSaveSource(mTags, mNameInput.text.toString(), mSourceUri.text.toString(), api!!)
         }
 
+        val config = Config(this)
 
+        if (config.baseUrl.isEmpty() || !config.baseUrl.isBaseUrlValid()) {
+            mustLoginToAddSource()
+        } else {
+            handleSpoutsSpinner(mSpoutsSpinner, api, mProgress, mForm)
+        }
+    }
+
+    private fun handleSpoutsSpinner(mSpoutsSpinner: Spinner, api: SelfossApi?, mProgress: ProgressBar, mForm: ConstraintLayout) {
         val spoutsKV = HashMap<String, String>()
         mSpoutsSpinner.onItemSelectedListener = object : AdapterView.OnItemSelectedListener {
             override fun onItemSelected(adapterView: AdapterView<*>, view: View, i: Int, l: Long) {
@@ -73,12 +78,6 @@ class AddSourceActivity : AppCompatActivity() {
             }
         }
 
-        val config = Config(this)
-
-        if (config.baseUrl.isEmpty() || !config.baseUrl.isBaseUrlValid()) {
-            mustLoginToAddSource()
-        } else {
-
         var items: Map<String, Spout>
         api!!.spouts().enqueue(object : Callback<Map<String, Spout>> {
             override fun onResponse(call: Call<Map<String, Spout>>, response: Response<Map<String, Spout>>) {
@@ -116,6 +115,12 @@ class AddSourceActivity : AppCompatActivity() {
             }
         })
     }
+
+    private fun maybeGetDetailsFromIntentSharing(intent: Intent, mSourceUri: EditText, mNameInput: EditText) {
+        if (Intent.ACTION_SEND == intent.action && "text/plain" == intent.type) {
+            mSourceUri.setText(intent.getStringExtra(Intent.EXTRA_TEXT))
+            mNameInput.setText(intent.getStringExtra(Intent.EXTRA_TITLE))
+        }
     }
 
     private fun mustLoginToAddSource() {
@@ -127,7 +132,9 @@ class AddSourceActivity : AppCompatActivity() {
 
     private fun handleSaveSource(mTags: EditText, title: String, url: String, api: SelfossApi) {
 
-        if (title.isEmpty() || url.isEmpty() || mSpoutsValue == null || mSpoutsValue!!.isEmpty()) {
+        val sourceDetailsAvailable = title.isEmpty() || url.isEmpty() || mSpoutsValue == null || mSpoutsValue!!.isEmpty()
+
+        if (sourceDetailsAvailable) {
             Toast.makeText(this, R.string.form_not_complete, Toast.LENGTH_SHORT).show()
         } else {
             api.createSource(

app/src/main/java/apps/amine/bou/readerforselfoss/HomeActivity.kt

@@ -62,6 +62,7 @@ import apps.amine.bou.readerforselfoss.utils.longHash
 import com.ashokvarma.bottomnavigation.BottomNavigationBar
 import com.ashokvarma.bottomnavigation.BottomNavigationItem
 import com.ashokvarma.bottomnavigation.TextBadgeItem
+import com.crashlytics.android.Crashlytics
 import com.ftinc.scoop.Scoop
 import com.heinrichreimersoftware.androidissuereporter.IssueReporterLauncher
 import com.mikepenz.materialdrawer.AccountHeader
@@ -172,6 +173,10 @@ class HomeActivity : AppCompatActivity(), SearchView.OnQueryTextListener {
 
         reloadLayoutManager()
 
+        handleSwipeRefreshLayout()
+    }
+
+    private fun handleSwipeRefreshLayout() {
         swipeRefreshLayout.setColorSchemeResources(
             R.color.refresh_progress_1,
             R.color.refresh_progress_2,
@@ -219,7 +224,11 @@ class HomeActivity : AppCompatActivity(), SearchView.OnQueryTextListener {
                             getElementsAccordingToTab(appendResults = true)
                         }
 
-                    } catch (e: IndexOutOfBoundsException) {}
+                    } catch (e: IndexOutOfBoundsException) {
+                        Crashlytics.setUserIdentifier(userIdentifier)
+                        Crashlytics.log(100, "SWIPE_INDEX_OUT_OF_BOUND", "IndexOutOfBoundsException when swiping")
+                        Crashlytics.logException(e)
+                    }
 
                 }
             }
@@ -578,7 +587,7 @@ class HomeActivity : AppCompatActivity(), SearchView.OnQueryTextListener {
 
         drawer.addItem(PrimaryDrawerItem().withName(getString(R.string.drawer_loading)).withSelectable(false))
 
-        val resultType = object : TypeToken<DrawerData>() {}.type
+        val resultType = object : TypeToken<DrawerData>() {}.type //NOSONAR
         Reservoir.getAsync("drawerData", resultType, object: ReservoirGetCallback<DrawerData> {
             override fun onSuccess(maybeDrawerData: DrawerData?) {
                 handleDrawerData(maybeDrawerData, loadedFromCache = true)
@@ -605,31 +614,14 @@ class HomeActivity : AppCompatActivity(), SearchView.OnQueryTextListener {
         recyclerView.setHasFixedSize(true)
 
         if (infiniteScroll) {
-            if (recyclerViewScrollListener == null)
+            handleInfiniteScroll()
-                recyclerViewScrollListener = object: RecyclerView.OnScrollListener() {
-                    override fun onScrolled(localRecycler: RecyclerView?, dx: Int, dy: Int) {
-                        if (dy > 0) {
-                            if (localRecycler != null) {
-                                val manager = recyclerView.layoutManager
-                                val lastVisibleItem: Int = when (manager) {
-                                    is StaggeredGridLayoutManager -> manager.findLastCompletelyVisibleItemPositions(null).last()
-                                    is GridLayoutManager -> manager.findLastCompletelyVisibleItemPosition()
-                                    else -> 0
         }
 
-                                if (lastVisibleItem == (items.size - 1)) {
+        handleBottomBarActions(mLayoutManager)
-                                    getElementsAccordingToTab(appendResults = true)
-                                }
-                            }
-                        }
-                    }
     }
 
-            recyclerView.clearOnScrollListeners()
+    private fun handleBottomBarActions(mLayoutManager: RecyclerView.LayoutManager) {
-            recyclerView.addOnScrollListener(recyclerViewScrollListener)
+        bottomBar.setTabSelectedListener(object : BottomNavigationBar.OnTabSelectedListener {
-        }
-
-        bottomBar.setTabSelectedListener(object: BottomNavigationBar.OnTabSelectedListener {
             override fun onTabUnselected(position: Int) = Unit
 
             override fun onTabReselected(position: Int) =
@@ -650,7 +642,7 @@ class HomeActivity : AppCompatActivity(), SearchView.OnQueryTextListener {
                 }
 
             override fun onTabSelected(position: Int) =
-                when(position) {
+                when (position) {
                     0 -> getUnRead()
                     1 -> getRead()
                     2 -> getStarred()
@@ -660,6 +652,29 @@ class HomeActivity : AppCompatActivity(), SearchView.OnQueryTextListener {
         })
     }
 
+    private fun handleInfiniteScroll() {
+        if (recyclerViewScrollListener == null)
+            recyclerViewScrollListener = object : RecyclerView.OnScrollListener() {
+                override fun onScrolled(localRecycler: RecyclerView?, dx: Int, dy: Int) {
+                    if (localRecycler != null && dy > 0) {
+                        val manager = recyclerView.layoutManager
+                        val lastVisibleItem: Int = when (manager) {
+                            is StaggeredGridLayoutManager -> manager.findLastCompletelyVisibleItemPositions(null).last()
+                            is GridLayoutManager -> manager.findLastCompletelyVisibleItemPosition()
+                            else -> 0
+                        }
+
+                        if (lastVisibleItem == (items.size - 1)) {
+                            getElementsAccordingToTab(appendResults = true)
+                        }
+                    }
+                }
+            }
+
+        recyclerView.clearOnScrollListeners()
+        recyclerView.addOnScrollListener(recyclerViewScrollListener)
+    }
+
     fun mayBeEmpty() =
         if (items.isEmpty()) {
             emptyText.visibility = View.VISIBLE

app/src/main/java/apps/amine/bou/readerforselfoss/LoginActivity.kt

@@ -60,16 +60,7 @@ class LoginActivity : AppCompatActivity() {
         val toolbar: Toolbar = findViewById(R.id.toolbar)
         setSupportActionBar(toolbar)
 
-        if (intent.getBooleanExtra("baseUrlFail", false)) {
+        handleBaseUrlFail()
-            val alertDialog = AlertDialog.Builder(this).create()
-            alertDialog.setTitle(getString(R.string.warning_wrong_url))
-            alertDialog.setMessage(getString(R.string.base_url_error))
-            alertDialog.setButton(
-                AlertDialog.BUTTON_NEUTRAL,
-                "OK",
-                { dialog, _ -> dialog.dismiss() })
-            alertDialog.show()
-        }
 
 
         settings = getSharedPreferences(Config.settingsName, Context.MODE_PRIVATE)
@@ -91,6 +82,10 @@ class LoginActivity : AppCompatActivity() {
         mLoginFormView = findViewById(R.id.login_form)
         mProgressView = findViewById(R.id.login_progress)
 
+        handleActions()
+    }
+
+    private fun handleActions() {
         val mSwitch: Switch = findViewById(R.id.withLogin)
         val mHTTPSwitch: Switch = findViewById(R.id.withHttpLogin)
         val mLoginLayout: TextInputLayout = findViewById(R.id.loginLayout)
@@ -101,7 +96,7 @@ class LoginActivity : AppCompatActivity() {
         val selfHostedSwitch: Switch = findViewById(R.id.withSelfhostedCert)
         val warningTextview: TextView = findViewById(R.id.warningText)
 
-        selfHostedSwitch.setOnCheckedChangeListener {_, b ->
+        selfHostedSwitch.setOnCheckedChangeListener { _, b ->
             isWithSelfSignedCert = !isWithSelfSignedCert
             val visi: Int = if (b) View.VISIBLE else View.GONE
 
@@ -135,6 +130,19 @@ class LoginActivity : AppCompatActivity() {
         }
     }
 
+    private fun handleBaseUrlFail() {
+        if (intent.getBooleanExtra("baseUrlFail", false)) {
+            val alertDialog = AlertDialog.Builder(this).create()
+            alertDialog.setTitle(getString(R.string.warning_wrong_url))
+            alertDialog.setMessage(getString(R.string.base_url_error))
+            alertDialog.setButton(
+                AlertDialog.BUTTON_NEUTRAL,
+                "OK",
+                { dialog, _ -> dialog.dismiss() })
+            alertDialog.show()
+        }
+    }
+
     private fun goToMain() {
         val intent = Intent(this, HomeActivity::class.java)
         startActivity(intent)
@@ -244,9 +252,7 @@ class LoginActivity : AppCompatActivity() {
         }
     }
 
-    /**
+
-     * Shows the progress UI and hides the login form.
-     */
     private fun showProgress(show: Boolean) {
         val shortAnimTime = resources.getInteger(android.R.integer.config_shortAnimTime)
 

app/src/main/java/apps/amine/bou/readerforselfoss/api/selfoss/SelfossApi.kt

@@ -24,7 +24,6 @@ import okhttp3.logging.HttpLoggingInterceptor
 
 
 
-// codebeat:disable[ARITY,TOO_MANY_FUNCTIONS]
 class SelfossApi(c: Context, callingActivity: Activity, isWithSelfSignedCert: Boolean, shouldLog: Boolean) {
 
     private lateinit var service: SelfossService
@@ -148,5 +147,3 @@ class SelfossApi(c: Context, callingActivity: Activity, isWithSelfSignedCert: Bo
         service.createSource(title, url, spout, tags, filter, userName, password)
 
 }
-
-// codebeat:enable[ARITY,TOO_MANY_FUNCTIONS]

app/src/main/java/apps/amine/bou/readerforselfoss/api/selfoss/SelfossService.kt

@@ -4,7 +4,6 @@ import retrofit2.Call
 import retrofit2.http.*
 
 
-// codebeat:disable[ARITY]
 internal interface SelfossService {
 
     @GET("login")
@@ -98,4 +97,3 @@ internal interface SelfossService {
                      @Query("username") username: String,
                      @Query("password") password: String): Call<SuccessResponse>
 }
-// codebeat:disable[ARITY]

app/src/main/java/apps/amine/bou/readerforselfoss/settings/AppCompatPreferenceActivity.java

@@ -24,7 +24,7 @@ import com.ftinc.scoop.Scoop;
  * A {@link PreferenceActivity} which implements and proxies the necessary calls
  * to be used with AppCompat.
  */
-public abstract class AppCompatPreferenceActivity extends PreferenceActivity {
+public abstract class AppCompatPreferenceActivity extends PreferenceActivity { //NOSONAR
 
     private AppCompatDelegate mDelegate;
 
@@ -116,6 +116,7 @@ public abstract class AppCompatPreferenceActivity extends PreferenceActivity {
         getDelegate().onDestroy();
     }
 
+    @Override
     public void invalidateOptionsMenu() {
         getDelegate().invalidateOptionsMenu();
     }

app/src/main/java/apps/amine/bou/readerforselfoss/settings/SettingsActivity.java

@@ -44,7 +44,7 @@ import com.ftinc.scoop.ui.ScoopSettingsActivity;
  * href="http://developer.android.com/guide/topics/ui/settings.html">Settings
  * API Guide</a> for more information on developing a Settings UI.
  */
-public class SettingsActivity extends AppCompatPreferenceActivity {
+public class SettingsActivity extends AppCompatPreferenceActivity { //NOSONAR
     /**
      * A preference value change listener that updates the preference's summary
      * to reflect its new value.
@@ -126,6 +126,7 @@ public class SettingsActivity extends AppCompatPreferenceActivity {
      * This method stops fragment injection in malicious applications.
      * Make sure to deny any unknown fragments here.
      */
+    @Override
     protected boolean isValidFragment(String fragmentName) {
         return PreferenceFragment.class.getName().equals(fragmentName)
                 || GeneralPreferenceFragment.class.getName().equals(fragmentName)
@@ -166,7 +167,9 @@ public class SettingsActivity extends AppCompatPreferenceActivity {
                             int input = Integer.parseInt(dest.toString() + source.toString());
                             if (input <= 200 && input >0)
                                 return null;
-                        } catch (NumberFormatException nfe) { }
+                        } catch (NumberFormatException nfe) {
+                            Toast.makeText(getActivity(), R.string.items_number_should_be_number, Toast.LENGTH_LONG).show();
+                        }
                         return "";
                     }
                 }

app/src/main/java/apps/amine/bou/readerforselfoss/utils/LinksUtils.kt

@@ -50,18 +50,10 @@ fun Context.buildCustomTabsIntent(): CustomTabsIntent {
     return intentBuilder.build()
 }
 
-fun Context.openItemUrl(linkDecoded: String,
+fun Context.openItemUrlInternally(linkDecoded: String,
                                   customTabsIntent: CustomTabsIntent,
-                        internalBrowser: Boolean,
                                   articleViewer: Boolean,
                                   app: Activity) {
-
-    if (!linkDecoded.isUrlValid()) {
-        Toast.makeText(this, this.getString(R.string.cant_open_invalid_url), Toast.LENGTH_LONG).show()
-    } else {
-        if (!internalBrowser) {
-            openInBrowser(linkDecoded, app)
-        } else {
     if (articleViewer) {
         val intent = Intent(this, ReaderActivity::class.java)
 
@@ -85,6 +77,21 @@ fun Context.openItemUrl(linkDecoded: String,
             openInBrowser(linkDecoded, app)
         }
     }
+}
+
+fun Context.openItemUrl(linkDecoded: String,
+                        customTabsIntent: CustomTabsIntent,
+                        internalBrowser: Boolean,
+                        articleViewer: Boolean,
+                        app: Activity) {
+
+    if (!linkDecoded.isUrlValid()) {
+        Toast.makeText(this, this.getString(R.string.cant_open_invalid_url), Toast.LENGTH_LONG).show()
+    } else {
+        if (!internalBrowser) {
+            openInBrowser(linkDecoded, app)
+        } else {
+            this.openItemUrlInternally(linkDecoded, customTabsIntent, articleViewer, app)
         }
     }
 }

app/src/main/java/apps/amine/bou/readerforselfoss/utils/customtabs/CustomTabsHelper.java

@@ -101,7 +101,7 @@ class CustomTabsHelper {
             List<ResolveInfo> handlers = pm.queryIntentActivities(
                     intent,
                     PackageManager.GET_RESOLVED_FILTER);
-            if (handlers == null || handlers.size() == 0) {
+            if (handlers == null || handlers.isEmpty()) {
                 return false;
             }
             for (ResolveInfo resolveInfo : handlers) {

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

@@ -157,4 +157,5 @@
     <string name="report_github_user" translatable="false">aminecmi</string>
     <string name="report_github_repo" translatable="false">ReaderforSelfoss</string>
     <string name="drawer_report_bug">Report a bug</string>
+    <string name="items_number_should_be_number">The items number should be an integer.</string>
 </resources>