kevalpatel2106

import android.app.Service;
import android.content.Intent;
import android.graphics.PixelFormat;
import android.opengl.Visibility;
import android.os.IBinder;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.View;
import android.view.WindowManager;

kevalpatel2106

import android.content.Intent;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.provider.Settings;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {

kevalpatel2106

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content">

    <!--Root container-->
    <RelativeLayout
        android:id="@+id/root_container"

kevalpatel2106

case MotionEvent.ACTION_UP:
    int Xdiff = (int) (event.getRawX() - initialTouchX);
    int Ydiff = (int) (event.getRawY() - initialTouchY);

    //The check for Xdiff <10 && YDiff< 10 because sometime elements moves a little while clicking.
    //So that is click event.
    if (Xdiff < 10 && Ydiff < 10) {
        if (isViewCollapsed()) {
            //When user clicks on the image view of the collapsed layout,
            //visibility of the collapsed layout will be changed to "View.GONE"

kevalpatel2106

public class SingletonClass {

    private static SingletonClass sSoleInstance;

    private SingletonClass(){}  //private constructor.

    public static SingletonClass getInstance(){
        if (sSoleInstance == null){ //if there is no instance available... create new one
            sSoleInstance = new SingletonClass();
        }

kevalpatel2106

public class SingletonTester {
   public static void main(String[] args) {
        //Instance 1
        SingletonClass instance1 = SingletonClass.getInstance();

        //Instance 2
        SingletonClass instance2 = SingletonClass.getInstance();

        //now lets check the hash key.
        System.out.println("Instance 1 hash:" + instance1.hashCode());

kevalpatel2106

public class SingletonTester {
   public static void main(String[] args) {
        //Create the 1st instance
        SingletonClass instance1 = SingletonClass.getInstance();
        
        //Create 2nd instance using Java Reflection API.
        SingletonClass instance2 = null;
        try {
            Class<SingletonClass> clazz = SingletonClass.class;
            Constructor<SingletonClass> cons = clazz.getDeclaredConstructor();

kevalpatel2106

public class SingletonClass {

    private static SingletonClass sSoleInstance;

    //private constructor.
    private SingletonClass(){
       
        //Prevent form the reflection api.
        if (sSoleInstance != null){
            throw new RuntimeException("Use getInstance() method to get the single instance of this class.");

kevalpatel2106

public class SingletonTester {
   public static void main(String[] args) {
        //Thread 1
        Thread t1 = new Thread(new Runnable() {
            @Override
            public void run() {
                SingletonClass instance1 = SingletonClass.getInstance();
                System.out.println("Instance 1 hash:" + instance1.hashCode());
            }
        });

kevalpatel2106

public class SingletonClass {

    private static SingletonClass sSoleInstance;

    //private constructor.
    private SingletonClass(){
       
        //Prevent form the reflection api.
        if (sSoleInstance != null){
            throw new RuntimeException("Use getInstance() method to get the single instance of this class.");