Saved Fragment states when switched instead of recreated them

- Added delete results button in main menu
- Made search button color more recognisable

.idea/assetWizardSettings.xml

@@ -23,7 +23,7 @@
                                 <PersistentState>
                                   <option name="values">
                                     <map>
-                                      <entry key="url" value="file:/$USER_HOME$/AppData/Local/Android/Sdk/icons/material/materialicons/videocam/baseline_videocam_24.xml" />
+                                      <entry key="url" value="file:/$USER_HOME$/AppData/Local/Android/Sdk/icons/material/materialicons/keyboard_arrow_down/baseline_keyboard_arrow_down_24.xml" />
                                     </map>
                                   </option>
                                 </PersistentState>
@@ -34,7 +34,7 @@
                         <option name="values">
                           <map>
                             <entry key="color" value="ff4d00" />
-                            <entry key="outputName" value="ic_video" />
+                            <entry key="outputName" value="ic_download" />
                             <entry key="sourceFile" value="C:\Users\denis\Desktop\youtubedl-android-0.13.1\youtubedl-android-0.13.1" />
                           </map>
                         </option>

.idea/deploymentTargetDropDown.xml

@@ -1,17 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="deploymentTargetDropDown">
-    <runningDeviceTargetSelectedWithDropDown>
-      <Target>
-        <type value="RUNNING_DEVICE_TARGET" />
-        <deviceKey>
-          <Key>
-            <type value="SERIAL_NUMBER" />
-            <value value="192.168.1.131:43991" />
-          </Key>
-        </deviceKey>
-      </Target>
-    </runningDeviceTargetSelectedWithDropDown>
-    <timeTargetWasSelectedWithDropDown value="2022-05-28T21:34:17.666332700Z" />
-  </component>
-</project>

.idea/misc.xml

@@ -22,6 +22,7 @@
         <entry key="..\:/Users/denis/Desktop/ytdlnis/ytdlnis/app/src/main/res/drawable-v24/ic_launcher_foreground.xml" value="0.1275" />
         <entry key="..\:/Users/denis/Desktop/ytdlnis/ytdlnis/app/src/main/res/drawable/ic_launcher_background.xml" value="0.1275" />
         <entry key="..\:/Users/denis/Desktop/ytdlnis/ytdlnis/app/src/main/res/drawable/ic_music.xml" value="0.1275" />
+        <entry key="..\:/Users/denis/Desktop/ytdlnis/ytdlnis/app/src/main/res/drawable/ic_search.xml" value="0.1275" />
         <entry key="..\:/Users/denis/Desktop/ytdlnis/ytdlnis/app/src/main/res/layout/activity_main.xml" value="0.27704147071398033" />
         <entry key="..\:/Users/denis/Desktop/ytdlnis/ytdlnis/app/src/main/res/layout/fragment_history.xml" value="0.2057460611677479" />
         <entry key="..\:/Users/denis/Desktop/ytdlnis/ytdlnis/app/src/main/res/layout/fragment_history_list.xml" value="0.2057460611677479" />

app/src/main/java/com/deniscerri/ytdl/HomeFragment.java

@@ -29,7 +29,6 @@ import android.widget.TextView;
 import android.widget.Toast;
 
 import androidx.annotation.NonNull;
-import androidx.annotation.Px;
 import androidx.appcompat.widget.SearchView;
 import androidx.cardview.widget.CardView;
 import androidx.core.app.ActivityCompat;
@@ -90,19 +89,18 @@ public class HomeFragment extends Fragment implements View.OnClickListener{
 
     private ArrayList<Video> resultObjects;
     private Queue<Video> downloadQueue;
-    private boolean hasResults = false;
-    private boolean isPlaylist = false;
-    private boolean downloadAll = false;
     private int[] positions = {0,0};
 
     private CompositeDisposable compositeDisposable = new CompositeDisposable();
+
     private DBManager dbManager;
 
     private final DownloadProgressCallback callback = new DownloadProgressCallback() {
         @Override
         public void onProgressUpdate(float progress, long etaInSeconds, String line) {
-            requireActivity().runOnUiThread(() -> progressBar.setProgress((int) progress)
+            requireActivity().runOnUiThread(() -> {
-            );
+                progressBar.setProgress((int) progress);
+            });
         }
     };
 
@@ -138,12 +136,19 @@ public class HomeFragment extends Fragment implements View.OnClickListener{
                              Bundle savedInstanceState) {
 
         compositeDisposable = new CompositeDisposable();
+
         // Inflate the layout for this fragment
         fragmentView = inflater.inflate(R.layout.fragment_home, container, false);
         initViews();
 
         fragmentView.setOnScrollChangeListener((view, i, i1, i2, i3) -> positions = new int[]{i,i1});
 
+        if(inputQuery != null){
+            parseQuery();
+            inputQuery = null;
+            return fragmentView;
+        }
+
         dbManager = new DBManager(requireContext());
         resultObjects = dbManager.merrRezultatet();
 
@@ -169,6 +174,7 @@ public class HomeFragment extends Fragment implements View.OnClickListener{
 
     @Override
     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater){
+        menu.clear();
         inflater.inflate(R.menu.main_menu, menu);
         super.onCreateOptionsMenu(menu, inflater);
 
@@ -204,9 +210,22 @@ public class HomeFragment extends Fragment implements View.OnClickListener{
         });
     }
 
+    @Override
+    public boolean onOptionsItemSelected(@NonNull MenuItem item) {
+        switch (item.getItemId()) {
+            case R.id.delete_results:
+                dbManager.clearResults();
+                linearLayout.removeAllViews();
+                return true;
+            default:
+                return super.onOptionsItemSelected(item);
+
+        }
+    }
+
+
     public void handleIntent(Intent intent){
         inputQuery = intent.getStringExtra(Intent.EXTRA_TEXT);
-        parseQuery();
     }
 
     private void parseQuery() {
@@ -224,7 +243,6 @@ public class HomeFragment extends Fragment implements View.OnClickListener{
 
             if (inputQuery.contains("list=")) {
                 type = "Playlist";
-                isPlaylist = true;
             }
         }
 
@@ -248,7 +266,6 @@ public class HomeFragment extends Fragment implements View.OnClickListener{
                         JSONObject element = dataArray.getJSONObject(i);
                         JSONObject snippet = element.getJSONObject("snippet");
                         if(element.getJSONObject("id").getString("kind").equals("youtube#video")){
-                            hasResults = true;
 
                             videoID = element.getJSONObject("id").getString("videoId");
                             snippet.put("videoID", videoID);
@@ -282,7 +299,6 @@ public class HomeFragment extends Fragment implements View.OnClickListener{
                     thread.start();
                     thread.join();
                     
-                    hasResults = true;
                     requestData = fixThumbnail(requestData);
                     Video video = createVideofromJSON(requestData);
                     resultObjects.add(video);
@@ -303,7 +319,6 @@ public class HomeFragment extends Fragment implements View.OnClickListener{
 
 
                     JSONArray dataArray = requestData.getJSONArray("items");
-                    hasResults = true;
                     for(int i = 0; i < dataArray.length(); i++){
                         JSONObject element = dataArray.getJSONObject(i);
                         JSONObject snippet = element.getJSONObject("snippet");
@@ -785,5 +800,4 @@ public class HomeFragment extends Fragment implements View.OnClickListener{
         }
     }
 
-
 }

app/src/main/java/com/deniscerri/ytdl/MainActivity.java

@@ -2,21 +2,17 @@ package com.deniscerri.ytdl;
 
 import android.content.Intent;
 import android.content.res.ColorStateList;
+import android.content.res.Configuration;
 import android.os.Build;
 import android.os.Bundle;
 import android.util.Log;
-import android.view.Menu;
-import android.view.WindowManager;
 
 
 import androidx.appcompat.app.AppCompatActivity;
 import androidx.core.content.ContextCompat;
-import androidx.core.content.res.ComplexColorCompat;
 import androidx.fragment.app.Fragment;
 import androidx.fragment.app.FragmentManager;
-import androidx.fragment.app.FragmentTransaction;
 import com.deniscerri.ytdl.databinding.ActivityMainBinding;
-import com.google.android.material.bottomnavigation.BottomNavigationView;
 
 import io.reactivex.disposables.CompositeDisposable;
 
@@ -33,6 +29,7 @@ public class MainActivity extends AppCompatActivity{
     private HistoryFragment historyFragment;
     private SettingsFragment settingsFragment;
     private Fragment lastFragment;
+    private FragmentManager fm;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -51,23 +48,36 @@ public class MainActivity extends AppCompatActivity{
             );
             binding.bottomNavigationView.setItemActiveIndicatorColor(list);
             binding.bottomNavigationView.setItemRippleColor(list);
-            binding.bottomNavigationView.setBackgroundColor(ContextCompat.getColor(getApplicationContext(), R.color.material_dynamic_neutral10));
+
+            int nightMode = getApplicationContext().getResources().getConfiguration().uiMode &
+                            Configuration.UI_MODE_NIGHT_MASK;
+            if(nightMode == Configuration.UI_MODE_NIGHT_YES){
+                binding.bottomNavigationView.setBackgroundColor(ContextCompat.getColor(getApplicationContext(), R.color.material_dynamic_neutral10));
+            }
+
+            getWindow().setStatusBarColor(ContextCompat.getColor(getApplicationContext(), R.color.material_dynamic_neutral10));
         }
 
         super.onCreate(savedInstanceState);
 
-
         setContentView(R.layout.activity_main);
-
-
         setContentView(binding.getRoot());
 
         homeFragment = new HomeFragment();
         historyFragment = new HistoryFragment();
         settingsFragment = new SettingsFragment();
 
+        fm = getSupportFragmentManager();
+        fm.beginTransaction()
+                .replace(R.id.frame_layout, homeFragment)
+                .add(R.id.frame_layout, historyFragment)
+                .add(R.id.frame_layout, settingsFragment)
+                .hide(historyFragment)
+                .hide(settingsFragment)
+                .commit();
+
+        lastFragment = homeFragment;
 
-        replaceFragment(homeFragment);
         binding.bottomNavigationView.setOnItemSelectedListener(item -> {
             switch(item.getItemId()){
                 case R.id.home:
@@ -100,6 +110,7 @@ public class MainActivity extends AppCompatActivity{
         Log.e(TAG, action);
         if(Intent.ACTION_SEND.equals(action)){
             homeFragment.handleIntent(intent);
+            replaceFragment(homeFragment);
         }
     }
 
@@ -110,10 +121,8 @@ public class MainActivity extends AppCompatActivity{
     }
 
     private void replaceFragment(Fragment f){
-        FragmentManager fm = getSupportFragmentManager();
+        fm.beginTransaction().hide(lastFragment).show(f).commit();
-        FragmentTransaction fragmentTransaction = fm.beginTransaction();
+        lastFragment = f;
-        fragmentTransaction.replace(R.id.frame_layout, f);
-        fragmentTransaction.commit();
-
     }
+
 }

app/src/main/java/com/deniscerri/ytdl/database/DBManager.java

@@ -88,6 +88,24 @@ public class DBManager extends SQLiteOpenHelper {
 
     }
 
+    public void clearResults(){
+        SQLiteDatabase db = this.getWritableDatabase();
+        db.execSQL("DROP TABLE IF EXISTS " + results_table_name);
+
+        String query = "CREATE TABLE " + results_table_name + " ("
+                + id + " INTEGER PRIMARY KEY AUTOINCREMENT, "
+                + videoId + " TEXT,"
+                + title + " TEXT,"
+                + author + " TEXT,"
+                + thumb + " TEXT,"
+                + type + " TEXT,"
+                + time + " TEXT,"
+                + isPlaylistItem + " BOOLEAN)";
+
+        db.execSQL(query);
+
+    }
+
     @Override
     public void onUpgrade(SQLiteDatabase sqLiteDatabase, int i, int i1) {
         sqLiteDatabase.execSQL("DROP TABLE IF EXISTS " + results_table_name);

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

@@ -1,5 +1,5 @@
 <vector android:height="24dp"
     android:viewportHeight="24" android:viewportWidth="24"
     android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
-    <path android:fillColor="@android:color/white" android:pathData="M15.5,14h-0.79l-0.28,-0.27C15.41,12.59 16,11.11 16,9.5 16,5.91 13.09,3 9.5,3S3,5.91 3,9.5 5.91,16 9.5,16c1.61,0 3.09,-0.59 4.23,-1.57l0.27,0.28v0.79l5,4.99L20.49,19l-4.99,-5zM9.5,14C7.01,14 5,11.99 5,9.5S7.01,5 9.5,5 14,7.01 14,9.5 11.99,14 9.5,14z"/>
+    <path android:fillColor="@color/colorAccent" android:pathData="M15.5,14h-0.79l-0.28,-0.27C15.41,12.59 16,11.11 16,9.5 16,5.91 13.09,3 9.5,3S3,5.91 3,9.5 5.91,16 9.5,16c1.61,0 3.09,-0.59 4.23,-1.57l0.27,0.28v0.79l5,4.99L20.49,19l-4.99,-5zM9.5,14C7.01,14 5,11.99 5,9.5S7.01,5 9.5,5 14,7.01 14,9.5 11.99,14 9.5,14z"/>
 </vector>

app/src/main/res/menu/main_menu.xml

@@ -10,5 +10,11 @@
         app:showAsAction="ifRoom|collapseActionView"
         app:actionViewClass="androidx.appcompat.widget.SearchView"/>
 
+    <item
+        android:id="@+id/delete_results"
+        android:orderInCategory="100"
+        android:title="@string/fshi_rezultatet"
+        app:showAsAction="never" />
+
 </menu>
 

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

@@ -41,4 +41,5 @@
     <string name="shkruaj_url_e_youtube">Shkruaj URL e YouTube</string>
     <string name="download_path">sdcard/Download</string>
     <string name="fshi_historin">Fshi Historinë</string>
+    <string name="fshi_rezultatet">Fshi rezultatet</string>
 </resources>

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

@@ -7,7 +7,6 @@
         <item name="colorPrimaryDark">@color/material_dynamic_primary20</item>
         <item name="colorAccent">@color/material_dynamic_primary40</item>
         <item name="background">@color/white</item>
-        <item name="android:statusBarColor">@color/material_dynamic_neutral10</item>
     </style>
 
     <!-- Base application theme less than android 12 -->