Which class in Android is responsible for managing the application's preferences?ASharedPreferencesBPreferenceManagerCPreferenceActivityDPreferenceFragment

Consider the following code:PreferencesDemo.javapackage org.example.preferences;import android.app.Activity;import android.content.SharedPreferences;import android.os.Bundle;import android.preference.PreferenceManager;import android.widget.TextView;public class PreferencesDemo extends Activity {    /** Called when the activity is first created. */    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.main);        // Get the app's shared preferences        SharedPreferences app_preferences =        PreferenceManager.getDefaultSharedPreferences(this);        // Get the value for the run counter        int counter = app_preferences.getInt("counter", 0);        // Update the TextView        TextView text = (TextView) findViewById(R.id.text);        text.setText("This app has been started " + counter + " times.");        // Increment the counter        SharedPreferences.Editor editor = app_preferences.edit();        editor.putInt("counter", ++counter);        editor.commit(); // Very important    }}Assuming a proper main.xml for the above file,What is the output of the above code?​

shared preference in android programming

Which component is responsible for managing the app's lifecycle in Android?

What is the purpose of the 'FragmentManager' class in Android?ATo manage app preferencesBTo control the device's sensorsCTo handle fragments and transactionsDTo manage background tasks

Which attribute is used to specify the entry point for an Android app?Amain-classBstart-activityClaunch-activityDintent-filter