diff --git a/app/src/main/java/uk/kagurach/android101/MainActivity.java b/app/src/main/java/uk/kagurach/android101/MainActivity.java
index 31bad63..af37f10 100644
--- a/app/src/main/java/uk/kagurach/android101/MainActivity.java
+++ b/app/src/main/java/uk/kagurach/android101/MainActivity.java
@@ -1,14 +1,12 @@
 package uk.kagurach.android101;
 
-import android.content.Intent;
+import android.Manifest;
 import android.content.pm.PackageManager;
 import android.os.Build;
 import android.os.Bundle;
-import android.os.Handler;
 import android.view.View;
 import android.widget.Button;
 import android.widget.TextView;
-import android.Manifest;
 
 import androidx.activity.EdgeToEdge;
 import androidx.annotation.NonNull;
diff --git a/app/src/main/java/uk/kagurach/android101/MainActivity2.java b/app/src/main/java/uk/kagurach/android101/MainActivity2.java
index 8733dc0..165314c 100644
--- a/app/src/main/java/uk/kagurach/android101/MainActivity2.java
+++ b/app/src/main/java/uk/kagurach/android101/MainActivity2.java
@@ -1,7 +1,7 @@
 package uk.kagurach.android101;
 
+import android.annotation.SuppressLint;
 import android.content.Context;
-import android.content.Intent;
 import android.graphics.Color;
 import android.os.Bundle;
 import android.util.TypedValue;
@@ -105,13 +105,14 @@ public class MainActivity2 extends AppCompatActivity {
         textView.setText(s);
     }
 
+    @SuppressLint("SetTextI18n")
     public void setSize(View view) {
         Button sp = findViewById(R.id.Page2SetSP);
         Button dp = findViewById(R.id.Page2SetDP);
         Button px = findViewById(R.id.Page2SetPX);
 
         EditText ed = findViewById(R.id.P2SetTextSize);
-        int size = 70;
+        int size;
         try {
             size = Integer.parseInt(ed.getText().toString());
         }catch (Exception e){
diff --git a/app/src/main/java/uk/kagurach/android101/Page3.java b/app/src/main/java/uk/kagurach/android101/Page3.java
index 2fe58f3..c618a4b 100644
--- a/app/src/main/java/uk/kagurach/android101/Page3.java
+++ b/app/src/main/java/uk/kagurach/android101/Page3.java
@@ -2,7 +2,6 @@ package uk.kagurach.android101;
 
 import static uk.kagurach.android101.KaculateKt.Kaculate;
 
-import android.content.Intent;
 import android.os.Bundle;
 import android.view.View;
 import android.widget.Button;