Add opml import/export preference in account preferences and open android file dialog

app/src/main/java/com/readrops/app/fragments/settings/AccountSettingsFragment.java

@@ -2,6 +2,7 @@ package com.readrops.app.fragments.settings;
 
 
 import android.content.Intent;
+import android.net.Uri;
 import android.os.Bundle;
 import android.widget.Toast;
 
@@ -23,6 +24,7 @@ import io.reactivex.android.schedulers.AndroidSchedulers;
 import io.reactivex.observers.DisposableCompletableObserver;
 import io.reactivex.schedulers.Schedulers;
 
+import static android.app.Activity.RESULT_OK;
 import static com.readrops.app.utils.ReadropsKeys.ACCOUNT;
 import static com.readrops.app.utils.ReadropsKeys.EDIT_ACCOUNT;
 
@@ -31,6 +33,8 @@ import static com.readrops.app.utils.ReadropsKeys.EDIT_ACCOUNT;
  */
 public class AccountSettingsFragment extends PreferenceFragmentCompat {
 
+    public static final int OPEN_OPML_FILE_REQUEST = 1;
+
     private Account account;
     private AccountViewModel viewModel;
 
@@ -57,10 +61,14 @@ public class AccountSettingsFragment extends PreferenceFragmentCompat {
         Preference feedsFoldersPref = findPreference("feeds_folders_key");
         Preference credentialsPref = findPreference("credentials_key");
         Preference deleteAccountPref = findPreference("delete_account_key");
+        Preference opmlPref = findPreference("opml_import_export");
 
         if (account.is(AccountType.LOCAL))
             credentialsPref.setVisible(false);
 
+        if (!account.is(AccountType.LOCAL))
+            opmlPref.setVisible(false);
+
         feedsFoldersPref.setOnPreferenceClickListener(preference -> {
             Intent intent = new Intent(getContext(), ManageFeedsFoldersActivity.class);
             intent.putExtra(ACCOUNT, account);
@@ -83,6 +91,11 @@ public class AccountSettingsFragment extends PreferenceFragmentCompat {
             deleteAccount();
             return true;
         });
+
+        opmlPref.setOnPreferenceClickListener(preference -> {
+            openOPMLFile();
+            return true;
+        });
     }
 
     @Override
@@ -113,4 +126,21 @@ public class AccountSettingsFragment extends PreferenceFragmentCompat {
                         })))
                 .show();
     }
+
+    private void openOPMLFile() {
+        Intent intent = new Intent(Intent.ACTION_OPEN_DOCUMENT);
+        intent.addCategory(Intent.CATEGORY_OPENABLE);
+        intent.setType("application/*");
+
+        getActivity().startActivityForResult(intent, OPEN_OPML_FILE_REQUEST);
+    }
+
+    @Override
+    public void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
+        if (requestCode == OPEN_OPML_FILE_REQUEST && requestCode == RESULT_OK && data != null) {
+            Uri uri = data.getData();
+        }
+
+        super.onActivityResult(requestCode, resultCode, data);
+    }
 }

app/src/main/res/drawable/ic_import_export.xml

@@ -0,0 +1,5 @@
+<vector android:height="24dp" android:tint="#727272"
+    android:viewportHeight="24.0" android:viewportWidth="24.0"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="#FF000000" android:pathData="M9,3L5,6.99h3L8,14h2L10,6.99h3L9,3zM16,17.01L16,10h-2v7.01h-3L15,21l4,-3.99h-3z"/>
+</vector>

app/src/main/res/values-fr-rFR/strings.xml

@@ -93,5 +93,6 @@
     <string name="external_navigator">Navigateur externe</string>
     <string name="actualize">Actualiser</string>
     <string name="share_url">Partager le lien</string>
+    <string name="opml_import_export">Import/Export OPML</string>
 
 </resources>

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

@@ -101,4 +101,5 @@
     <string name="external_navigator">External navigator</string>
     <string name="actualize">Actualize</string>
     <string name="share_url">Share url</string>
+    <string name="opml_import_export">OPML Import/Export</string>
 </resources>

app/src/main/res/xml/acount_preferences.xml

@@ -11,6 +11,11 @@
         android:key="credentials_key"
         android:title="@string/credentials" />
 
+    <PreferenceScreen
+        android:icon="@drawable/ic_import_export"
+        android:key="opml_import_export"
+        android:title="@string/opml_import_export" />
+
     <PreferenceScreen
         android:icon="@drawable/ic_delete_grey"
         android:key="delete_account_key"