Update icon, and FINALLY invent the version stack

app/src/main/java/com/astatin3/scoutingapp2025/MainActivity.java

@@ -12,6 +12,8 @@ import androidx.navigation.ui.NavigationUI;
 
 import com.astatin3.scoutingapp2025.databinding.ActivityMainBinding;
 
+import com.astatin3.scoutingapp2025.SettingsVersionStack.latestSettings;
+
 public class MainActivity extends AppCompatActivity {
 
 
@@ -33,6 +35,8 @@ public class MainActivity extends AppCompatActivity {
         NavController navController = Navigation.findNavController(this, R.id.nav_host_fragment_activity_main);
         NavigationUI.setupActionBarWithNavController(this, navController, appBarConfiguration);
         NavigationUI.setupWithNavController(binding.navView, navController);
+
+        latestSettings settings = new latestSettings();
     }
 
 }

app/src/main/java/com/astatin3/scoutingapp2025/SettingsVersionStack/latestSettings.java

@@ -0,0 +1,9 @@
+package com.astatin3.scoutingapp2025.SettingsVersionStack;
+
+public class latestSettings {
+    public static v2 settings = new v2();
+    public latestSettings(){
+        settings.init_settings();
+        settings.update();
+    }
+}

app/src/main/java/com/astatin3/scoutingapp2025/SettingsVersionStack/settingsVersion.java

@@ -5,47 +5,100 @@ import com.astatin3.scoutingapp2025.fileEditor;
 import java.nio.charset.StandardCharsets;
 
 public abstract class settingsVersion {
-    private static String settingsFilename = "settings.txt";
+    private static final String settingsFilename = "settings.txt";
+    public abstract void defaultSettings();
     public abstract int getVersion();
     public abstract void update();
 
-    public static String readLine(int line){
-        if(!fileEditor.fileExist("settings.txt")){return null;}
-
-        String[] fileContent = new String(fileEditor.readFile("settings.txt"), StandardCharsets.UTF_8).split("\n");
-
-        if(fileContent.length <= line){return null;}
-
-        return fileContent[line];
+    public static String get_settings_file_content(){
+        byte[] data = fileEditor.readFile(settingsFilename);
+        if(data == null){return "";}
+        return new String(data, StandardCharsets.UTF_8);
     }
 
-    public static String w riteLine(int line, String data){
-        String[] fileContent;
+    public int get_file_version(){
+        String[] fileContent = get_settings_file_content().split("\n");
+        try{
+            return Integer.parseInt(fileContent[0]);
+        }catch(Exception e){
+            return -1;
+        }
+    }
+
+    public void set_file_version(int version){
+        String[] fileContent = get_settings_file_content().split("\n");
+        String output = String.valueOf(version);
+        for(int i = 0; i < fileContent.length; i++){
+            output += ("\n" + fileContent[i]);
+        }
+        fileEditor.writeFile(settingsFilename, output.getBytes(StandardCharsets.UTF_8));
+    }
+
+    public String readTag(String search_tag){
+        String[] fileContent = get_settings_file_content().split("\n");
+
+        try{
+            for(String line : fileContent){
+                if(line.isEmpty()){
+                    continue;
+                }
+                String[] split = line.split("=");
+                if(split[0].equals(search_tag)){
+                    return split[1];
+                }
+            }
+        }catch (Exception e){
+            e.printStackTrace();
+        }
+
+        return null;
+    }
+
+    public void init_settings(){
         if(!fileEditor.fileExist(settingsFilename)){
-            fileContent = new String[]{};
+            fileEditor.createFile(settingsFilename);
+
+            defaultSettings();
+
+            set_file_version(getVersion());
+        }
+    }
+
+    public String forceWriteTag(String tag_name, String data){
+        String fileContent = get_settings_file_content();
+        String output = fileContent + "\n" + tag_name + "=" + data;
+        fileEditor.writeFile(settingsFilename, output.getBytes(StandardCharsets.UTF_8));
+        return output;
+    }
+
+    public String writeTag(String tag_name, String data){
+        final boolean already_exists = readTag(tag_name) != null;
+
+        if(!already_exists){
+            String fileContent = get_settings_file_content();
+            String output = fileContent + "\n" + tag_name + "=" + data;
+            fileEditor.writeFile(settingsFilename, output.getBytes(StandardCharsets.UTF_8));
+            return output;
         }else{
-            fileContent = new String(fileEditor.readFile(settingsFilename), StandardCharsets.UTF_8).split("\n");
-        }
-
-        String newFile = "";
-
-        for(int i = 0; i < Math.max(fileContent.length-1, line); i++){
-
-            if(i == line) {
-                newFile += data + "\n";
-
-            }else if(i > fileContent.length-1){
-                newFile += fileContent[i];
-
-            }
-
-            if(i < Math.max(fileContent.length - 1, line) - 1){
-                newFile += "\n";
+            String[] fileContent = get_settings_file_content().split("\n");
+            try{
+                for(int i = 0; i < fileContent.length; i++){
+                    if(fileContent[i].isEmpty()){
+                        continue;
+                    }
+                    String[] split = fileContent[i].split("=");
+                    if(split[0].equals(tag_name)){
+                        fileContent[i] = tag_name + "=" + data;
+                        String output = String.join("\n", fileContent);
+                        fileEditor.writeFile(settingsFilename, output.getBytes(StandardCharsets.UTF_8));
+                        return output;
+                    }
+                }
+            }catch (Exception e){
+                e.printStackTrace();
             }
         }
 
-        return newFile;
-
-//        fileEditor.writeFile(settingsFilename, newFile.getBytes(StandardCharsets.UTF_8));
+        return "No idea how this happened";
     }
 }

app/src/main/java/com/astatin3/scoutingapp2025/SettingsVersionStack/v0.java

@@ -1,12 +1,17 @@
 package com.astatin3.scoutingapp2025.SettingsVersionStack;
 
 public class v0 extends settingsVersion {
-    @Override
     public int getVersion() {
         return 0;
     }
-
     public void update(){
+        set_file_version(getVersion());
+    }
 
+    @Override
+    public void defaultSettings() {
+        forceWriteTag("test1", "value1");
+        forceWriteTag("test2", "value2");
+        forceWriteTag("test3", "value3");
     }
 }

app/src/main/java/com/astatin3/scoutingapp2025/SettingsVersionStack/v1.java

@@ -0,0 +1,23 @@
+package com.astatin3.scoutingapp2025.SettingsVersionStack;
+
+public class v1 extends v0 {
+    @Override
+    public int getVersion() {
+        return 1;
+    }
+    @Override
+    public void update(){
+        if(get_file_version() < getVersion()){super.update();}
+        set_file_version(getVersion());
+//        writeTag("test1", "value_v1_1");
+        writeTag("test2", "value_v1_2");
+        writeTag("test3", "value_v1_3");
+    }
+
+    @Override
+    public void defaultSettings() {
+        forceWriteTag("test1", "value1");
+        forceWriteTag("test2", "value2");
+        forceWriteTag("test3", "value3");
+    }
+}

app/src/main/java/com/astatin3/scoutingapp2025/SettingsVersionStack/v2.java

@@ -0,0 +1,22 @@
+package com.astatin3.scoutingapp2025.SettingsVersionStack;
+
+public class v2 extends v1 {
+    @Override
+    public int getVersion() {
+        return 2;
+    }
+    @Override
+    public void update(){
+        if(get_file_version() < getVersion()){super.update();}
+        set_file_version(getVersion());
+//        writeTag("test1", "value_v2_1");
+//        writeTag("test2", "value_v2_2");
+        writeTag("test3", "value_v2 _3");
+    }
+    @Override
+    public void defaultSettings() {
+        forceWriteTag("test1", "value1");
+        forceWriteTag("test2", "value2");
+        forceWriteTag("test3", "value3");
+    }
+}

app/src/main/java/com/astatin3/scoutingapp2025/fileEditor.java

@@ -125,7 +125,7 @@ public final class fileEditor {
 
     public static boolean writeFile(String filepath, byte[] data) {
         try {
-            FileOutputStream output = new FileOutputStream(filepath);
+            FileOutputStream output = new FileOutputStream(baseDir + filepath);
             output.write(data);
             output.close();
             return true;
@@ -136,6 +136,20 @@ public final class fileEditor {
         }
     }
 
+    public static boolean createFile(String filepath){
+        if(fileExist(filepath)){
+            return true;
+        }
+        try {
+            File file = new File(baseDir + filepath);
+            return file.createNewFile();
+        }
+        catch (IOException e) {
+            e.printStackTrace();
+            return false;
+        }
+    }
+
     public static boolean fileExist(String path){
         File f = new File(baseDir + path);
         return f.exists() && !f.isDirectory();

app/src/main/java/com/astatin3/scoutingapp2025/ui/settings/settingsFragment.java

@@ -1,4 +1,4 @@
-package com.astatin3.scoutingapp2025.ui.Settings;
+package com.astatin3.scoutingapp2025.ui.settings;
 
 import android.app.AlertDialog;
 import android.os.Bundle;
@@ -13,7 +13,7 @@ import androidx.fragment.app.Fragment;
 
 import com.astatin3.scoutingapp2025.databinding.FragmentSettingsBinding;
 import com.astatin3.scoutingapp2025.fileEditor;
-import com.astatin3.scoutingapp2025.SettingsVersionStack.v0;
+import com.astatin3.scoutingapp2025.SettingsVersionStack.latestSettings;
 
 import com.skydoves.powerspinner.IconSpinnerAdapter;
 import com.skydoves.powerspinner.IconSpinnerItem;
@@ -65,10 +65,7 @@ public class settingsFragment extends Fragment {
             spinnerView.selectItemByIndex(0);
         }
 
-        alert("test", v0.writeLine(1, "oeseo"));
-
-
-        alert("test", v0.readLine(0));
+        alert("test", latestSettings.settings.readTag("test2"));
 
         return root;
     }

app/src/main/java/com/astatin3/scoutingapp2025/ui/transfer/TBAView.java

@@ -142,7 +142,7 @@ public class TBAView extends ScrollView {
                     }else if(currentTime.after(startDate) && currentTime.before(endDate)){
                         tr.setBackgroundColor(0x30FFFF00);
                     }
-                } catch (ParseException e) {
+                } catch (Exception e) {
                     e.printStackTrace();
                 }
 

app/src/main/java/com/astatin3/scoutingapp2025/ui/transfer/generatorView.java

@@ -1,5 +1,6 @@
 package com.astatin3.scoutingapp2025.ui.transfer;
 
+import android.app.AlertDialog;
 import android.content.Context;
 import android.graphics.Bitmap;
 import android.graphics.Color;
@@ -60,6 +61,16 @@ public class generatorView extends ConstraintLayout {
         super(context, attributeSet);
     }
 
+    private void alert(String title, String content) {
+        AlertDialog.Builder alert = new AlertDialog.Builder(getContext());
+        alert.setMessage(content);
+        alert.setTitle(title);
+        alert.setPositiveButton("OK", null);
+        alert.setCancelable(true);
+        alert.create().show();
+    }
+
+
     private Bitmap generateQrCode(String contents) throws WriterException {
 
         final int size = 512;
@@ -139,16 +150,25 @@ public class generatorView extends ConstraintLayout {
 
         }
 
+        if(compiledData.isEmpty()){
+            alert("Error!", "Empty data!");
+            return;
+        }
+
+        minQrSize = Math.round(compiledData.length()/maxQrCount)+1;
+
+        qrSizeSlider.setMax(maxQrSize-minQrSize);
+        qrSpeedSlider.setMax((minQrSpeed-maxQrSpeed)*2);
+
+        qrSizeSlider.setProgress(minQrSize+qrSize);
+        qrSpeedSlider.setProgress(defaultQrDelay+5);
+
         sendData(compiledData);
     }
 
     private void sendData(String data){
 
-//        minQrSize = 0;
-        minQrSize = Math.round(data.length()/maxQrCount)+1;
 
-        qrSizeSlider.setMax(maxQrSize-minQrSize);
-        qrSpeedSlider.setMax((minQrSpeed-maxQrSpeed)*2);
 
         qrCount = (data.length()/qrSize)+1;
         qrIndexD.setText(String.valueOf(qrCount));
@@ -181,7 +201,7 @@ public class generatorView extends ConstraintLayout {
             }
         });
 
-        qrSpeedSlider.setProgress(defaultQrDelay+5);
+//        qrSizeSlider.setProgress(qr);
 
         qrBitmaps = new ArrayList<>();