Practical No 14
XML Code –
<?xml version="1.0" encoding="utf-8"?>
<!-- The outer ScrollView allows the entire content to be scrollable -->
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent">
<!-- LinearLayout container for all views -->
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
android:padding="16dp">
<!-- Section: ImageView Demo -->
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="ImageView"
android:textSize="20sp"
android:textStyle="bold"
android:layout_marginBottom="8dp" />
<ImageView
android:id="@+id/imageView"
android:layout_width="match_parent"
android:layout_height="200dp"
android:src="@drawable/sample_image"
android:scaleType="centerCrop"
android:layout_marginBottom="16dp" />
<!-- Section: ListView Demo -->
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="ListView"
android:textSize="20sp"
android:textStyle="bold"
android:layout_marginBottom="8dp" />
<!-- Fixed height for ListView inside ScrollView -->
<ListView
android:id="@+id/listView"
android:layout_width="match_parent"
android:layout_height="200dp"
android:divider="@android:color/darker_gray"
android:dividerHeight="1dp"
android:layout_marginBottom="16dp" />
<!-- Section: GridView Demo -->
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="GridView"
android:textSize="20sp"
android:textStyle="bold"
android:layout_marginBottom="8dp" />
<!-- Fixed height for GridView inside ScrollView, set with 3
columns -->
<GridView
android:id="@+id/gridView"
android:layout_width="match_parent"
android:layout_height="200dp"
android:numColumns="3"
android:verticalSpacing="8dp"
android:horizontalSpacing="8dp"
android:gravity="center"
android:layout_marginBottom="16dp" />
</LinearLayout>
</ScrollView>
JAVA Code –
package com.example.checkbox;
import android.os.Bundle;
import android.widget.ArrayAdapter;
import android.widget.GridView;
import android.widget.ImageView;
import android.widget.ListView;
import androidx.appcompat.app.AppCompatActivity;
public class MainActivity extends AppCompatActivity {
// Sample data for ListView and GridView
private String[] sampleItems = {
"Item 1", "Item 2", "Item 3", "Item 4", "Item 5",
"Item 6", "Item 7", "Item 8", "Item 9", "Item 10"
};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
// Optionally, obtain and manipulate the ImageView if needed
ImageView imageView = findViewById(R.id.imageView);
// imageView.setImageResource(R.drawable.sample_image); // Already
set in XML
// Set up the ListView with an ArrayAdapter
ListView listView = findViewById(R.id.listView);
ArrayAdapter<String> listAdapter = new ArrayAdapter<>(
this,
android.R.layout.simple_list_item_1,
sampleItems
);
listView.setAdapter(listAdapter);
// Set up the GridView with an ArrayAdapter
GridView gridView = findViewById(R.id.gridView);
ArrayAdapter<String> gridAdapter = new ArrayAdapter<>(
this,
android.R.layout.simple_list_item_1,
sampleItems
);
gridView.setAdapter(gridAdapter);
}
}
Output –
