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Page 2533 of 2547
Handler in android ?
We cant touch background thread to main thread directly so handler is going to collect all events which are available in main thread in a queue and posses this queue to looper class.In android Handler is mainly used to update the main thread from background thread or other than main thread. There are two methods are in handler.Post() − it going to post message from background thread to main thread using looper.sendmessage() − if you want to organize what you have sent to ui (message from background thread) or ui functions. you should use sendMessage().This example demonstrate about how to ...
Read MoreHow to access unique Android device ID?
If you want to check unique device id like IMEI number through programmatically we can do this by telephonic manger as shown below example −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.Manifest; import android.annotation.SuppressLint; import android.app.ProgressDialog; import android.content.pm.PackageManager; import android.os.Build; import android.os.Bundle; import android.os.Handler; import android.support.annotation.RequiresApi; import android.support.v4.app.ActivityCompat; import android.support.v7.app.AppCompatActivity; import android.telephony.TelephonyManager; import android.view.View; import android.view.inputmethod.InputMethodManager; import android.widget.Button; import android.widget.EditText; import ...
Read MoreHow to check visibility of virtual keyboard on Android?
There are some situations, we should find keyboard is visible or not in particular activity. In this example we can check visibility of virtual keyboard on 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.Rect; import android.os.Build; import android.os.Bundle; import android.support.annotation.RequiresApi; import android.support.constraint.ConstraintLayout; import android.support.v7.app.AppCompatActivity; import android.util.Log; import android.view.View; import android.view.ViewTreeObserver; import android.view.inputmethod.InputMethodManager; import android.widget.Button; import android.widget.EditText; import android.widget.Toast; public ...
Read MoreHow does "do something OR DIE()" work in Perl?
The die() function can be used to stop the script and can be used to display a message to the end user. It can be used at the right side of the OR ( || ) operator and at left side can be any expression like the eval() function. Case 1 − Using die() function with no parameter The following is the output. Now we can use $! to print the error number and a message to the user in the die() function. Case 2 − Use of $! in the die() function The following is the ...
Read MoreComparison of Java and .NET
Java is a high-level programming language originally developed by Sun Microsystems and released in 1995. Java runs on a variety of platforms, such as Windows, Mac OS, and the various versions of UNIX. .NET framework is a computer software framework invented by Microsoft. It runs on Microsoft Windows OS (Operating Systems). It provides user interface, data access, database connectivity, cryptography, web application development, etc. Languages Java supports only Java patterns. .NET supports multiple languages such as VB.NET, C#, F#, etc. Platforms Java is platform independent and it can run on Windows, Linux and Mac OS. .NET works on Windows. Runtime ...
Read MoreHow to check internet connection in android?
This example demonstrate about how to check the state of internet connection through broadcast Receiver.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 − To find the internet status we have to add network state permission to AndroidManifest.xml file as shown below. Step ...
Read MoreHow to create CircularImageView in android?
This example demonstrate about how to Create CircularImageView 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 −To make circler view, we should add CircularImageView library in gradle file as shown below.apply plugin: 'com.android.application' android { compileSdkVersion 28 defaultConfig { applicationId "com.example.andy.myapplication" minSdkVersion 15 targetSdkVersion 28 versionCode 1 versionName "1.0" testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner" } buildTypes { release ...
Read MoreCreating orders in SAP system using .Net
You can handle it by creating an array and insert an object into Array. Bapisdhd1 order_header_in = new Bapisdhd1(); order_header_in.DocType = "OR"; order_header_in.CollectNo = "111022"; order_header_in.SalesOrg = "11011"; order_header_in.DistrChan = "100"; order_header_in.Division = "000"; order_header_in.DlvBlock = "010"; order_header_in.PurchNoC = "TEST ORDER"; newOrder.OrderHeaderIn = order_header_in;
Read MorecompareTo() definition mistake?
The example works correctly. The compareTo() method is called by a string object and takes another string object as argument. The return value is integer and is difference in Unicode values of characters of respective strings when they are not equal. The value can be -ve, 0 or +ve.
Read MoreWhy are numbers represented as objects in python?
Everything in Python is an object, and that includes the numbers. There are no "primitive" types, only built-in types.Numbers, however, are immutable. When you perform an operation with a number, you are creating a new number object.
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