remove unused GenericExplanationActivity and its resources

src/main/AndroidManifest.xml

@@ -243,7 +243,6 @@
         <activity android:name=".ui.activity.PassCodeActivity" />
         <activity android:name=".ui.activity.RequestCredentialsActivity" />
         <activity android:name=".ui.activity.ConflictsResolveActivity"/>
-        <activity android:name=".ui.activity.GenericExplanationActivity"/>
         <activity android:name=".ui.activity.ErrorsWhileCopyingHandlerActivity"/>
         
         <activity android:name=".ui.activity.LogHistoryActivity"/>

src/main/java/com/owncloud/android/ui/activity/GenericExplanationActivity.java

@@ -1,116 +0,0 @@
-/*
- *   ownCloud Android client application
- *
- *   @author David A. Velasco
- *   Copyright (C) 2015 ownCloud Inc.
- *
- *   This program is free software: you can redistribute it and/or modify
- *   it under the terms of the GNU General Public License version 2,
- *   as published by the Free Software Foundation.
- *
- *   This program is distributed in the hope that it will be useful,
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *   GNU General Public License for more details.
- *
- *   You should have received a copy of the GNU General Public License
- *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-
-package com.owncloud.android.ui.activity;
-
-import android.content.Context;
-import android.content.Intent;
-import android.os.Bundle;
-import android.support.annotation.NonNull;
-import android.support.v7.app.AppCompatActivity;
-import android.text.method.ScrollingMovementMethod;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.ArrayAdapter;
-import android.widget.ListAdapter;
-import android.widget.ListView;
-import android.widget.TextView;
-
-import com.owncloud.android.R;
-
-import java.util.ArrayList;
-
-
-/**
- * Activity showing a text message and, optionally, a couple list of single or paired text strings.
- * 
- * Added to show explanations for notifications when the user clicks on them, and there no place
- * better to show them.
- */
-public class GenericExplanationActivity  extends AppCompatActivity {
-
-    public static final String EXTRA_LIST = GenericExplanationActivity.class.getCanonicalName() + ".EXTRA_LIST";
-    public static final String EXTRA_LIST_2 = GenericExplanationActivity.class.getCanonicalName() + ".EXTRA_LIST_2";
-    public static final String MESSAGE = GenericExplanationActivity.class.getCanonicalName() + ".MESSAGE";
-
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        
-        Intent intent = getIntent();
-        String message = intent.getStringExtra(MESSAGE); 
-        ArrayList<String> list = intent.getStringArrayListExtra(EXTRA_LIST);
-        ArrayList<String> list2 = intent.getStringArrayListExtra(EXTRA_LIST_2);
-        
-        setContentView(R.layout.generic_explanation);
-        
-        if (message != null) {
-            TextView textView = (TextView) findViewById(R.id.message);
-            textView.setText(message);
-            textView.setMovementMethod(new ScrollingMovementMethod());
-        }
-        
-        ListView listView = (ListView) findViewById(R.id.list);
-        if (list != null && list.size() > 0) {
-            //ListAdapter adapter = new ArrayAdapter<String>(this,
-            // android.R.layout.simple_list_item_1, list);
-            ListAdapter adapter = new ExplanationListAdapterView(this, list, list2);
-            listView.setAdapter(adapter);
-        } else {
-            listView.setVisibility(View.GONE);
-        }
-    }
-
-    public class ExplanationListAdapterView extends ArrayAdapter<String> {
-        
-        ArrayList<String> mList;
-        ArrayList<String> mList2;
-        
-        ExplanationListAdapterView(Context context, ArrayList<String> list,
-                                   ArrayList<String> list2) {
-            super(context, android.R.layout.two_line_list_item, android.R.id.text1, list);
-            mList = list;
-            mList2 = list2;
-        }
-
-        @Override
-        public boolean isEnabled(int position) {
-            return false;
-        }
-        
-        /**
-         * {@inheritDoc}
-         */
-        @NonNull
-        @Override
-        public View getView (int position, View convertView, @NonNull ViewGroup parent) {
-            View view = super.getView(position, convertView, parent);
-            if (mList2 != null && mList2.size() > 0 && position >= 0 &&
-                    position < mList2.size()) {
-                TextView text2 = (TextView) view.findViewById(android.R.id.text2);
-                if (text2 != null) {
-                    text2.setText(mList2.get(position));
-                }
-            }
-            return view;
-        }
-    }
-
-}