First Time now Kotlin, I'm wondering why I do this

app/src/main/AndroidManifest.xml

@@ -15,11 +15,6 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         tools:ignore="GoogleAppIndexingWarning">
-        <activity
-            android:name=".FirstTime"
-            android:label="First Time"
-            android:screenOrientation="portrait"
-            android:theme="@style/AppTheme0.Launcher" />
         <activity
             android:name=".MainActivity"
             android:label="@string/app_name"
@@ -27,6 +22,13 @@
             android:theme="@style/AppTheme0.Launcher"
             android:windowSoftInputMode="adjustPan"/>
 
+        <activity
+            android:name=".FirstTime"
+            android:label="First Time"
+            android:screenOrientation="portrait"
+            android:theme="@style/AppTheme0.Launcher"
+            android:windowSoftInputMode="adjustPan"/>
+
         <activity
             android:name=".Main"
             android:label="@string/app_name"

app/src/main/java/com/denizd/substitutionplan/FirstTime.java

@@ -1,205 +0,0 @@
-package com.denizd.substitutionplan;
-
-import android.animation.Animator;
-import android.app.ActivityManager;
-import android.app.AlertDialog;
-import android.content.Context;
-import android.content.Intent;
-import android.content.SharedPreferences;
-import android.graphics.Bitmap;
-import android.graphics.BitmapFactory;
-import android.graphics.drawable.Animatable;
-import android.os.Build;
-import android.os.Handler;
-import android.preference.PreferenceManager;
-
-import androidx.appcompat.app.AppCompatActivity;
-import androidx.coordinatorlayout.widget.CoordinatorLayout;
-import androidx.core.content.ContextCompat;
-
-import android.os.Bundle;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewAnimationUtils;
-import android.view.Window;
-import android.view.WindowManager;
-import android.view.animation.Animation;
-import android.view.animation.AnimationUtils;
-import android.widget.CheckBox;
-import android.widget.EditText;
-import android.widget.ImageButton;
-import android.widget.ImageView;
-import android.widget.LinearLayout;
-import android.widget.TextView;
-
-import com.google.android.material.floatingactionbutton.ExtendedFloatingActionButton;
-
-import java.util.Calendar;
-
-public class FirstTime extends AppCompatActivity {
-
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        setContentView(R.layout.activity_first_time);
-        setTheme(R.style.AppTheme0);
-
-        Window window = this.getWindow();
-        window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
-        window.clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
-        window.setFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION, WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
-            window.getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR);
-            window.setStatusBarColor(ContextCompat.getColor(this, R.color.background));
-            window.setNavigationBarColor(ContextCompat.getColor(this, R.color.background));
-        } else {
-            window.setStatusBarColor(ContextCompat.getColor(this, R.color.background));
-            window.setNavigationBarColor(ContextCompat.getColor(this, R.color.background));
-        }
-        window.setBackgroundDrawable(getDrawable(R.drawable.white));
-        Bitmap bm = BitmapFactory.decodeResource(getResources(), R.mipmap.ic_launcher);
-        ActivityManager.TaskDescription taskDesc = new ActivityManager.TaskDescription(getString(R.string.app_name), bm, ContextCompat.getColor(this, R.color.background));
-        setTaskDescription(taskDesc);
-
-        final Context context = this;
-
-        final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getBaseContext());
-        final SharedPreferences.Editor edit = prefs.edit();
-
-        final ExtendedFloatingActionButton fab = findViewById(R.id.efab);
-
-        final Intent start = new Intent(this, MainActivity.class);
-
-        final EditText name = findViewById(R.id.txtName);
-        final EditText grade = findViewById(R.id.txtClasses);
-        final EditText courses = findViewById(R.id.txtCourses);
-        final CheckBox notif = findViewById(R.id.cbNotif);
-        final CheckBox dark = findViewById(R.id.cbDark);
-        final CheckBox pers = findViewById(R.id.cbPersonalised);
-        final ImageButton helpClasses = findViewById(R.id.chipHelpClasses);
-        final ImageButton helpCourses = findViewById(R.id.chipHelpCourses);
-
-        helpCourses.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View view) {
-                AlertDialog.Builder alertDialog;
-                alertDialog = new AlertDialog.Builder(context, R.style.AlertDialogCustomLight);
-                View dialogView = LayoutInflater.from(context).inflate(R.layout.simple_dialog, null);
-                TextView title = dialogView.findViewById(R.id.textviewtitle);
-                title.setText(R.string.helpCoursesTitle);
-                TextView dialogText = dialogView.findViewById(R.id.dialogtext);
-                dialogText.setText(getString(R.string.helpCourses));
-                alertDialog.setView(dialogView);
-                alertDialog.show();
-            }
-        });
-
-        helpClasses.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View view) {
-                AlertDialog.Builder alertDialog;
-                alertDialog = new AlertDialog.Builder(context, R.style.AlertDialogCustomLight);
-                View dialogView = LayoutInflater.from(context).inflate(R.layout.simple_dialog, null);
-                TextView title = dialogView.findViewById(R.id.textviewtitle);
-                title.setText(R.string.helpClassesTitle);
-                TextView dialogText = dialogView.findViewById(R.id.dialogtext);
-                dialogText.setText(getString(R.string.helpClasses));
-                alertDialog.setView(dialogView);
-                alertDialog.show();
-            }
-        });
-
-        final LayoutInflater inflater = (LayoutInflater) this.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
-
-        fab.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                fab.setClickable(false);
-
-                edit.putString("firstTimeDev", String.valueOf(Calendar.getInstance().getTime()));
-                edit.putString("username", name.getText().toString());
-                edit.putString("classes", grade.getText().toString());
-                edit.putString("courses", courses.getText().toString());
-                if (dark.isChecked()) {
-                    edit.putInt("themeInt", 1);
-                } else {
-                    edit.putInt("themeInt", 0);
-                }
-                if (notif.isChecked()) {
-                    edit.putBoolean("notif", true);
-                } else {
-                    edit.putBoolean("notif", false);
-                }
-                if (pers.isChecked()) {
-                    edit.putBoolean("defaultPersonalised", true);
-                } else {
-                    edit.putBoolean("defaultPersonalised", false);
-                }
-
-                edit.putBoolean("firstTime", false);
-                edit.apply();
-
-                final CoordinatorLayout cLayout = findViewById(R.id.coordinatorLayout);
-                final LinearLayout linearInflation = findViewById(R.id.linearInflation);
-
-                int x = fab.getRight() - fab.getWidth() / 2;
-                int y = fab.getBottom() - fab.getHeight() / 2;
-
-                int startRadius = 0;
-                int endRadius = (int) Math.hypot(cLayout.getWidth(), cLayout.getHeight());
-
-                inflater.inflate(R.layout.welcome_screen, linearInflation, true);
-
-                Animator anim = ViewAnimationUtils.createCircularReveal(linearInflation, x, y, startRadius, endRadius);
-                anim.setDuration(600);
-
-                final LinearLayout colour = findViewById(R.id.colourLayout);
-
-                linearInflation.setVisibility(View.VISIBLE);
-                anim.start();
-
-                final Animation animationOut = AnimationUtils.loadAnimation(getApplicationContext(), R.anim.fade_out_short);
-
-                final Handler handlerZero = new Handler();
-                handlerZero.postDelayed(new Runnable() {
-                    @Override
-                    public void run() {
-                        colour.startAnimation(animationOut);
-                    }
-                }, 400);
-
-                animationOut.setAnimationListener(new Animation.AnimationListener() {
-                    @Override
-                    public void onAnimationStart(Animation animation) {}
-
-                    @Override
-                    public void onAnimationEnd(Animation animation) {
-                        colour.setVisibility(View.GONE);
-                    }
-
-                    @Override
-                    public void onAnimationRepeat(Animation animation) {}
-                });
-
-                final Handler handlerOne = new Handler();
-                handlerOne.postDelayed(new Runnable() {
-                    @Override
-                    public void run() {
-                        ImageView mImgCheck = findViewById(R.id.imageView);
-                        ((Animatable) mImgCheck.getDrawable()).start();
-                    }
-                }, 1000);
-
-                final Handler handler = new Handler();
-                handler.postDelayed(new Runnable() {
-                    @Override
-                    public void run() {
-                        startActivity(start);
-                        finish();
-                    }
-                }, 2000);
-
-            }
-        });
-    }
-}

app/src/main/java/com/denizd/substitutionplan/FirstTime.kt

@@ -0,0 +1,144 @@
+package com.denizd.substitutionplan
+
+import android.app.ActivityManager
+import android.content.Context
+import android.content.Intent
+import android.content.SharedPreferences
+import android.graphics.BitmapFactory
+import android.graphics.drawable.Animatable
+import android.graphics.drawable.AnimatedVectorDrawable
+import android.graphics.drawable.AnimationDrawable
+import android.os.Build
+import android.os.Bundle
+import android.os.Handler
+import android.preference.PreferenceManager
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewAnimationUtils
+import android.view.WindowManager
+import android.view.animation.Animation
+import android.view.animation.AnimationUtils
+import android.widget.*
+import androidx.appcompat.app.AlertDialog
+import androidx.appcompat.app.AppCompatActivity
+import androidx.coordinatorlayout.widget.CoordinatorLayout
+import androidx.core.content.ContextCompat
+import com.google.android.material.floatingactionbutton.ExtendedFloatingActionButton
+import java.util.*
+
+class FirstTime : AppCompatActivity(R.layout.activity_first_time) {
+
+    lateinit var context: Context
+    lateinit var prefs: SharedPreferences
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        val window = this.window
+        window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS)
+        window.setFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION, WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS)
+
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+            window.decorView.systemUiVisibility = View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR
+            window.navigationBarColor = ContextCompat.getColor(this, R.color.background)
+        }
+        val bm = BitmapFactory.decodeResource(resources, R.mipmap.ic_launcher)
+        val taskDesc = ActivityManager.TaskDescription(getString(R.string.app_name), bm, ContextCompat.getColor(this, R.color.background))
+        setTaskDescription(taskDesc)
+
+        context = this
+
+        prefs = PreferenceManager.getDefaultSharedPreferences(context) as SharedPreferences
+        val edit = prefs.edit()
+
+        val fab = findViewById<ExtendedFloatingActionButton>(R.id.efab)
+
+        val start = Intent(this, Main::class.java)
+
+        val name = findViewById<EditText>(R.id.txtName)
+        val grade = findViewById<EditText>(R.id.txtClasses)
+        val courses = findViewById<EditText>(R.id.txtCourses)
+        val notif = findViewById<CheckBox>(R.id.cbNotif)
+        val dark = findViewById<CheckBox>(R.id.cbDark)
+        val pers = findViewById<CheckBox>(R.id.cbPersonalised)
+        val helpClasses = findViewById<ImageButton>(R.id.chipHelpClasses)
+        val helpCourses = findViewById<ImageButton>(R.id.chipHelpCourses)
+
+        helpClasses.setOnClickListener {
+            createDialog(getString(R.string.helpClassesTitle), getString(R.string.helpClasses))
+        }
+        helpCourses.setOnClickListener {
+            createDialog(getString(R.string.helpCoursesTitle), getString(R.string.helpCourses))
+        }
+
+        val inflater = this.getSystemService(Context.LAYOUT_INFLATER_SERVICE) as LayoutInflater
+
+        fab.setOnClickListener {
+            fab.isClickable = false
+
+            edit.putString("firstTimeDev", Calendar.getInstance().time.toString())
+                    .putString("username", name.text.toString())
+                    .putString("classes", grade.text.toString())
+                    .putString("courses", courses.text.toString())
+            if (dark.isChecked) {
+                edit.putInt("themeInt", 1)
+            } else {
+                edit.putInt("themeInt", 0)
+            }
+            edit.putBoolean("notif", notif.isChecked)
+                    .putBoolean("defaultPersonalised", pers.isChecked)
+                    .putBoolean("firstTime", false)
+                    .apply()
+
+            val cLayout = findViewById<CoordinatorLayout>(R.id.coordinatorLayout)
+            val linearInflation = findViewById<LinearLayout>(R.id.linearInflation)
+
+            val x: Int = fab.right - fab.width / 2
+            val y: Int = fab.bottom- fab.height / 2
+            val endRadius = Math.hypot(cLayout.width.toDouble(), cLayout.height.toDouble()).toInt()
+            inflater.inflate(R.layout.welcome_screen, linearInflation, true)
+            val anim = ViewAnimationUtils.createCircularReveal(linearInflation, x, y, 0F, endRadius.toFloat())
+            val handler = Handler()
+            val animOut = AnimationUtils.loadAnimation(context, R.anim.fade_out_short)
+            anim.duration = 600
+            val colour = findViewById<LinearLayout>(R.id.colourLayout)
+            linearInflation.visibility = View.VISIBLE
+            anim.start()
+
+            handler.postDelayed({
+                colour.startAnimation(animOut)
+            }, 400)
+            animOut.setAnimationListener(object: Animation.AnimationListener {
+                override fun onAnimationStart(arg0: Animation) {}
+
+                override fun onAnimationRepeat(arg0: Animation) {}
+
+                override fun onAnimationEnd(arg0: Animation) {
+                    colour.visibility = View.GONE
+                }
+            })
+            handler.postDelayed({
+                val mImgCheck = findViewById<ImageView>(R.id.imageView).drawable as AnimatedVectorDrawable
+                mImgCheck.start()
+            }, 1000)
+            handler.postDelayed({
+                startActivity(start)
+                finish()
+            }, 2000)
+        }
+    }
+
+    private fun createDialog(title: String, text: String) {
+        val alertDialog = if (prefs.getInt("themeInt", 0) == 1) {
+            AlertDialog.Builder(context, R.style.AlertDialogCustomDark)
+        } else {
+            AlertDialog.Builder(context, R.style.AlertDialogCustomLight)
+        }
+        val dialogView = LayoutInflater.from(context).inflate(R.layout.simple_dialog, null)
+        val dialogTitle = dialogView.findViewById<TextView>(R.id.textviewtitle)
+        val dialogText = dialogView.findViewById<TextView>(R.id.dialogtext)
+        dialogTitle.text = title
+        dialogText.text = text
+        alertDialog.setView(dialogView).show()
+    }
+}

app/src/main/java/com/denizd/substitutionplan/SettingsFragment.kt

@@ -38,7 +38,7 @@ class SettingsFragment : Fragment(R.layout.content_settings), View.OnClickListen
     private val builder = CustomTabsIntent.Builder()
     private val customTabsIntent = builder.build() as CustomTabsIntent
     private var cs: Int = 7
-    var window: Window? = null
+    private var window: Window? = null
 
     override fun onAttach(context: Context) {
         super.onAttach(context)
@@ -46,7 +46,7 @@ class SettingsFragment : Fragment(R.layout.content_settings), View.OnClickListen
         prefs = PreferenceManager.getDefaultSharedPreferences(mContext)
         edit = prefs.edit()
 
-       window = activity?.window
+        window = activity?.window
     }
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
@@ -131,6 +131,7 @@ class SettingsFragment : Fragment(R.layout.content_settings), View.OnClickListen
         })
 
         btnVersion.setOnLongClickListener {
+            Toast.makeText(mContext, getString(R.string.devby), Toast.LENGTH_LONG).show()
             debugMenu()
         }
     }
@@ -244,7 +245,6 @@ class SettingsFragment : Fragment(R.layout.content_settings), View.OnClickListen
             R.id.btnVersion -> {
                 if (cs > 0) {
                     cs--
-                    Toast.makeText(mContext, getString(R.string.devby), Toast.LENGTH_LONG).show()
                 } else {
                     try {
                         cs = 7
@@ -467,6 +467,10 @@ class SettingsFragment : Fragment(R.layout.content_settings), View.OnClickListen
                     edit.putString("time", "").apply()
                     Toast.makeText(mContext, "Notification time cleared", Toast.LENGTH_LONG).show()
                 } // TODO add option to clear database
+                "@FIRSTTIME" -> {
+                    edit.putBoolean("firstTime", true).apply()
+                    Toast.makeText(mContext, "First time flag cleared", Toast.LENGTH_LONG).show()
+                }
                 else -> Toast.makeText(mContext, getString(R.string.nothinghappened), Toast.LENGTH_LONG).show()
             }
         }
@@ -475,11 +479,6 @@ class SettingsFragment : Fragment(R.layout.content_settings), View.OnClickListen
         return true
     }
 
-//    override fun onDetach() {
-//        super.onDetach()
-//        edit.apply()
-//    }
-
     private fun getDiagnosticsText(prefs: SharedPreferences): String {
         return "First Launch: " + prefs.getString("firstTimeDev", "") +
                 "\n\nApp launched: " + prefs.getInt("launchDev", 0) +