Update main ui

Author: timscriptov

app/src/main/java/com/mcal/disassembler/activities/MainActivity.java

@@ -1,6 +1,7 @@
 package com.mcal.disassembler.activities;
 
 import android.Manifest;
+import android.animation.LayoutTransition;
 import android.annotation.SuppressLint;
 import android.app.ProgressDialog;
 import android.content.Intent;
@@ -12,6 +13,7 @@
 import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;
+import android.widget.LinearLayout;
 
 import androidx.annotation.NonNull;
 import androidx.appcompat.app.AppCompatActivity;
@@ -45,8 +47,9 @@ public class MainActivity extends AppCompatActivity implements MainView {
     ProgressDialog dialog;
     private CenteredToolBar toolbar;
     private RecyclerView recentOpened;
-    private ArrayList<String> paths = new ArrayList<>();
+    private final ArrayList<String> paths = new ArrayList<>();
     private String path;
+    private LinearLayout welcomeLayout;
 
     @Override
     public void onCreate(Bundle savedInstanceState) {
@@ -58,19 +61,18 @@ public void onCreate(Bundle savedInstanceState) {
                 requestPermissions(new String[]{Manifest.permission.READ_EXTERNAL_STORAGE, Manifest.permission.WRITE_EXTERNAL_STORAGE, Settings.ACTION_MANAGE_OVERLAY_PERMISSION}, 1);
             }
         }
-
         new Database(this);
-        //welcomeLayout = findViewById(R.id.welcome_layout);
+        welcomeLayout = findViewById(R.id.welcome_layout);
         recentOpened = findViewById(R.id.items);
         recentOpened.setLayoutManager(new LinearLayoutManager(this));
-        Cursor cursor = RecentsManager.getRecents();
+        /*Cursor cursor = RecentsManager.getRecents();
         if (cursor.getCount() > 0) {
             while (cursor.moveToNext()) {
                 paths.add(cursor.getString(0));
             }
         }
-        recentOpened.setAdapter(new ListAdapter(paths, this));
-        //setupList();
+        recentOpened.setAdapter(new ListAdapter(paths, this));*/
+        updateRecents();
     }
 
     @Override
@@ -105,9 +107,10 @@ private void setupToolbar(String title) {
         getSupportActionBar().setDisplayShowHomeEnabled(false);
     }
 
-    /*public void setupList() {
+    void updateRecents() {
+        paths.clear();
         Cursor cursor = RecentsManager.getRecents();
-        if (cursor.getCount() == 0) {
+        if (cursor.getCount() == 0) { // TODO: FIXME
             recentOpened.setVisibility(View.GONE);
             welcomeLayout.setVisibility(View.VISIBLE);
             recentOpened.setAdapter(new ListAdapter(paths, this));
@@ -122,11 +125,7 @@ private void setupToolbar(String title) {
             }
             recentOpened.setAdapter(new ListAdapter(paths, this));
         }
-    }*/
 
-    void updateRecents() {
-        paths.clear();
-        Cursor cursor = RecentsManager.getRecents();
         if (cursor.getCount() > 0) {
             while (cursor.moveToNext()) {
                 paths.add(cursor.getString(0));

app/src/main/java/com/mcal/disassembler/adapters/ListAdapter.java

@@ -20,9 +20,9 @@
 import java.util.ArrayList;
 
 public class ListAdapter extends RecyclerView.Adapter<ListAdapter.ViewHolder> implements Filterable {
-    private SearchFilter filter;
+    private final SearchFilter filter;
     private ArrayList<String> paths;
-    private MainView mainView;
+    private final MainView mainView;
 
     public ListAdapter(ArrayList<String> paths, MainView mainView) {
         this.paths = paths;
@@ -56,7 +56,7 @@ public void onBindViewHolder(@NotNull final ListAdapter.ViewHolder holder, final
     }
 
     @Override
-    public ListAdapter.ViewHolder onCreateViewHolder(@NotNull ViewGroup parent, int p2) {
+    public ListAdapter.@NotNull ViewHolder onCreateViewHolder(@NotNull ViewGroup parent, int p2) {
         View item = LayoutInflater.from(parent.getContext()).inflate(R.layout.list_item, parent, false);
         return new ViewHolder(item);
     }
@@ -76,8 +76,8 @@ static class ViewHolder extends RecyclerView.ViewHolder {
     }
 
     private class SearchFilter extends Filter {
-        private ArrayList<String> items_backup = paths;
-        private ArrayList<String> filteredItems = new ArrayList<>();
+        private final ArrayList<String> items_backup = paths;
+        private final ArrayList<String> filteredItems = new ArrayList<>();
 
         @Override
         protected Filter.FilterResults performFiltering(CharSequence p1) {

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

@@ -31,14 +31,15 @@
                     android:gravity="center_horizontal"
                     android:orientation="horizontal" />
 
-                <!-- RelativeLayout
+                <RelativeLayout
                     android:id="@+id/layoutHolder"
                     android:layout_width="match_parent"
                     android:layout_height="match_parent"
                     android:orientation="vertical">
 
                     <LinearLayout
                         android:id="@+id/welcome_layout"
+                        android:animateLayoutChanges="true"
                         android:layout_width="match_parent"
                         android:layout_height="match_parent"
                         android:gravity="center"
@@ -54,7 +55,7 @@
                             android:textAppearance="?android:attr/textAppearanceLarge"
                             android:textSize="35sp" />
 
-                    </LinearLayout -->
+                    </LinearLayout>
 
                     <androidx.recyclerview.widget.RecyclerView
                         android:id="@+id/items"
@@ -64,7 +65,7 @@
                         android:listSelector="@android:color/transparent"
                         android:scrollbarStyle="outsideOverlay" />
 
-                <!-- /RelativeLayout -->
+                </RelativeLayout>
 
                 <com.google.android.material.floatingactionbutton.FloatingActionButton
                     android:id="@+id/fab"