Article Categories
- All Categories
-
Data Structure
-
Networking
-
RDBMS
-
Operating System
-
Java
-
MS Excel
-
iOS
-
HTML
-
CSS
-
Android
-
Python
-
C Programming
-
C++
-
C#
-
MongoDB
-
MySQL
-
Javascript
-
PHP
-
Economics & Finance
Apps/Applications Articles
Page 86 of 148
How to use drag and drop in Android?
This example demonstrates how do I use drag and drop in android.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml. Step 3 − Add the following code to src/MainActivity.javaimport android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.DragEvent; import android.view.MotionEvent; import android.view.View; import android.view.ViewGroup; import android.widget.LinearLayout; public class MainActivity extends AppCompatActivity implements View.OnTouchListener, View.OnDragListener { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); ...
Read MoreHow to convert java bitmap to byte array In android?
This example demonstrates how do I convert java bitmap to byte array in android.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml. Step 3 − Add the following code to src/MainActivity.javaimport android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.ImageView; import android.widget.Toast; import java.io.ByteArrayOutputStream; import java.io.IOException; import java.io.InputStream; public class MainActivity extends AppCompatActivity { Button button; ImageView ivSource, ivCompressed; @Override protected ...
Read MoreCommunication between Activity and Service in Android?
This example demonstrates how do I communicate between Activity and Service in android.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml. Step 3 − Add the following code to src/MainActivity.javaimport android.content.Intent; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.support.v7.app.AppCompatActivity; public class MainActivity extends AppCompatActivity implements View.OnClickListener { Button buttonStart, buttonStop; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); ...
Read MoreHow to ping external IP from java Android?
This example demonstrates how do I ping external IP from java android.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml. Step 3 − Add the following code to src/MainActivity.javaimport android.content.Context; import android.net.ConnectivityManager; import android.net.NetworkInfo; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.widget.Toast; import java.io.IOException; public class MainActivity extends AppCompatActivity { Boolean isConnected = false, isWiFi = false, isMobile = false; @Override protected void onCreate(Bundle savedInstanceState) { ...
Read MoreHow to check the amount of RAM to be used by an Android App?
This example demonstrates how do I check the amount of RAM to be used by an android app.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml. Step 3 − Add the following code to src/MainActivity.javaimport android.app.ActivityManager; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.widget.TextView; public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); final TextView textView = findViewById(R.id.text); ...
Read MoreDisable Orientation Change in iOS
There are numerous application which either runs on Portrait mode or in Landscape mode.Restricting the application in one of the mode is important to achieve this.In this post we will see how to restrict the orientation or disable the orientation to one mode.If you want the application to be running only in Portrait mode, Below your viewDidLoad method copy the below line of codeoverride var supportedInterfaceOrientations: UIInterfaceOrientationMask { get { return .portrait } }This will lock the landscape mode for your application. Similarly by replacing .portrait to .landscape will run your application in landscape mode.If ...
Read MoreHow to get current date and time from internet in iOS?
Working with date and time can be tricky, I’ve seen new programmers struggling with date and time. In almost all the application you will be required to get the date and multiple operations are dependent on it.Here we will be seeing how to get the current date and time in swift.In this post we will be seeing how to get the current time and UTC time.For getting the UTC time, paste below code in playground.let utcDate = Date() print(utcDate)If you wish to get the time stamp of your location, paste the below code in playground.let dateObj = Date() let datetformatter ...
Read MoreHow to get the differences between two dates in iOS?
Getting difference between two dates is easy. You should know how to play between the dates.We will be using DateFormatter class for formatting the dates.Instances of DateFormatter create string representations of NSDate objects, and convert textual representations of dates and times into NSDate objects.You can read more about it here https://developer.apple.com/documentation/foundation/dateformatterWe will also be using Calendar structure, apple has provided beautiful documentation of it, https://developer.apple.com/documentation/foundation/calendarSo let’s get started.Open Xcode, New Playground.Copy the below codeimport UIKit // create object of DateFormatter and Calendar let formatter = DateFormatter() let calendar = Calendar.current // specify the format, formatter.dateFormat = "dd-MM-yyyy" // specify the start ...
Read MoreHow to use both front and back cameras simultaneously in iOS?
As of now, there’s no way you can access both front and back cameras simultaneously. As both cameras have different session, as soon as one will start other session will die.As per the apple developer forum answered by Apple support team −“Apps cannot capture from the front and back cameras simultaneously. You can switch from one to the other (with a short delay between) but not both at the same time”
Read MoreHow do I create a TableView with rounded corners in iOS?
Table View is one of the most important and fundamental part of iOS application, Every iOS developer should be familiar with it.Almost every application you see in App store use table view.Table views on iOS display a single column of vertically scrolling content, divided into rows. Each row in the table contains one piece of your app’s content. For example, the Contacts app displays the name of each contact in a separate row, and the main page of the Settings app displays the available groups of settingsYou can read more about table view here, https://developer.apple.com/documentation/uikit/uitableviewIn this post we will see ...
Read More