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Practical 8.1

The document contains an XML layout file and a Java activity class for an Android application. The layout includes a title, an AutoCompleteTextView for search suggestions, and a search button. The Java class initializes the views, sets up search suggestions, and handles button clicks to display a toast message with the search query or prompt for input if empty.

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Pruthesh Upadhye
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14 views3 pages

Practical 8.1

The document contains an XML layout file and a Java activity class for an Android application. The layout includes a title, an AutoCompleteTextView for search suggestions, and a search button. The Java class initializes the views, sets up search suggestions, and handles button clicks to display a toast message with the search query or prompt for input if empty.

Uploaded by

Pruthesh Upadhye
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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8.1 activity_main.

xml

<?xml version="1.0" encoding="utf-8"?>


<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:padding="20dp">

<TextView
android:id="@+id/tvTitle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Search Engine"
android:textSize="24sp"
android:textStyle="bold"
android:layout_gravity="center"
android:paddingBottom="20dp"/>

<AutoCompleteTextView
android:id="@+id/autoCompleteSearch"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="Search here..."
android:completionThreshold="1"
android:padding="10dp"/>

<Button
android:id="@+id/btnSearch"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Search"
android:layout_marginTop="10dp"/>
</LinearLayout>
8.1 MainActivity.java

package com.example.practical7;

import android.os.Bundle;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.AutoCompleteTextView;
import android.widget.Button;
import android.widget.Toast;
import androidx.appcompat.app.AppCompatActivity;

public class MainActivity extends AppCompatActivity {

private AutoCompleteTextView autoCompleteSearch;


private Button btnSearch;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

// Initialize Views
autoCompleteSearch = findViewById(R.id.autoCompleteSearch);
btnSearch = findViewById(R.id.btnSearch);

// Sample search suggestions


String[] searchSuggestions = {
"Google", "Bing", "Yahoo", "DuckDuckGo", "Baidu",
"Ask.com", "Yandex", "Ecosia", "AOL Search", "StartPage"
};

// Set up AutoCompleteTextView with suggestions


ArrayAdapter<String> adapter = new ArrayAdapter<>(
this, android.R.layout.simple_dropdown_item_1line,
searchSuggestions);
autoCompleteSearch.setAdapter(adapter);

// Button Click Listener


btnSearch.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
String searchQuery =
autoCompleteSearch.getText().toString().trim();
if (!searchQuery.isEmpty()) {
Toast.makeText(MainActivity.this, "Searching for: " +
searchQuery, Toast.LENGTH_SHORT).show();
} else {
Toast.makeText(MainActivity.this, "Please enter a search
term!", Toast.LENGTH_SHORT).show();
}
}
});
}
}
8.1 Output

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