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Home.java

+package com.example.smart_pillow;
+
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.cardview.widget.CardView;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.View;
+
+public class Home extends AppCompatActivity implements View.OnClickListener{
+
+    private CardView alarm_card,sleep_card, music_card,light_card, health_card;
+
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_home);
+
+        // define the cards
+        alarm_card = (CardView) findViewById(R.id.alarmCardID);
+        sleep_card = (CardView) findViewById(R.id.sleepCardID);
+        music_card = (CardView) findViewById(R.id.musicCardID);
+        light_card = (CardView) findViewById(R.id.lightCardID);
+        health_card = (CardView) findViewById(R.id.healthCardID);
+
+        //add click listener to cards
+        alarm_card.setOnClickListener(this);
+        sleep_card.setOnClickListener(this);
+        music_card.setOnClickListener(this);
+        light_card.setOnClickListener(this);
+        health_card.setOnClickListener(this);
+
+    }
+
+    @Override
+    public void onClick(View view) {
+        Intent i;
+
+        switch(view.getId())
+        {
+            case R.id.musicCardID:i=new Intent(this,Music.class); startActivity(i);break;
+            case R.id.lightCardID:i=new Intent(this,Light.class); startActivity(i); break;
+            default:break;
+        }
+
+    }
+}
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