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Articles on Trending Technologies
Technical articles with clear explanations and examples
What is the difference between a white box, black box, and gray box testing?
When you develop a web application, before hosting to the web, testing is very important to prevent the hackers. There are three types of tests, Black, gray and white box tests which are conducted to ensure that an attacker cannot reach your application code.White Box (or glass box) testingWhite Box (or glass box) testing is the process of giving input code to the system and checking how the system processes it how the output is generated using that code. This is the test where the team tests the internal logic of the code written.It is the process of checking how ...
Read MoreHow to get default Sim Operator id in android?
This example demonstrate about How to get default Sim Operator id 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. In the above code, we have taken a text view to show device sim operator id.Step 3 − Add the following code to java/MainActivity.xmlpackage com.example.myapplication; import android.Manifest; import android.content.Context; import android.content.pm.PackageManager; import android.os.Build; import android.os.Bundle; import android.support.annotation.NonNull; import android.support.annotation.RequiresApi; import android.support.v4.app.ActivityCompat; import android.support.v7.app.AppCompatActivity; import android.telephony.TelephonyManager; import android.widget.TextView; import static ...
Read MoreHow to get default phone Subscriber Id in android?
This example demonstrate about How to get default phone Subscriber Id 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. In the above code, we have taken a text view to show phone subscriber id.Step 3 − Add the following code to java/MainActivity.xmlpackage com.example.myapplication; import android.Manifest; import android.content.Context; import android.content.pm.PackageManager; import android.os.Build; import android.os.Bundle; import android.support.annotation.NonNull; import android.support.annotation.RequiresApi; import android.support.v4.app.ActivityCompat; import android.support.v7.app.AppCompatActivity; import android.telephony.TelephonyManager; import android.widget.TextView; import static android.Manifest.permission.READ_PHONE_NUMBERS; ...
Read MoreHow to get default phone number in android?
This example demonstrate about How to get default phone number 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. In the above code, we have taken a text view to show the phone number.Step 3 − Add the following code to java/MainActivity.xmlpackage com.example.myapplication; import android.Manifest; import android.content.Context; import android.content.pm.PackageManager; import android.os.Bundle; import android.support.annotation.NonNull; import android.support.v4.app.ActivityCompat; import android.support.v7.app.AppCompatActivity; import android.telephony.TelephonyManager; import android.widget.TextView; import static android.Manifest.permission.READ_PHONE_NUMBERS; import static android.Manifest.permission.READ_PHONE_STATE; import static ...
Read MoreHow to using string writer append in android?
This example demonstrate about how to using string writer append 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 In the above code, we have taken editext, button and textview. When user click on button after inserting value in edittext, it will append the data using string writer.Step 3 − Add the following code to src/MainActivity.javapackage com.example.myapplication; import android.os.Build; import android.os.Bundle; import android.support.annotation.RequiresApi; import android.support.v7.app.AppCompatActivity; import android.view.View; ...
Read MoreHow to use Synchronized list in android listview?
This example demonstrate about How to use Synchronized list in android listview.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project. In the above code, we have taken editext, button and listview. When user click on button after inserting value in edittext, it will do data validation with listview items.Step 3 − Add the following code to src/MainActivity.javapackage com.example.myapplication; import android.os.Bundle; import android.support.v7.app.AppCompatActivity; import android.view.View; import android.widget.ArrayAdapter; import android.widget.Button; import android.widget.EditText; import android.widget.ListView; import ...
Read MoreHow to use nested array in android listview?
This example demonstrate about How to use a nested array in android listview.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 In the code, we have taken listview to show array values.Step 3 − Add the following code to src/MainActivity.javapackage com.example.myapplication; import android.os.Bundle; import android.support.v7.app.AppCompatActivity; import android.util.Log; import android.widget.ArrayAdapter; import android.widget.EditText; import android.widget.ListView; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; public class MainActivity extends AppCompatActivity { ListView list; ...
Read MoreHow to sort string array in android listview?
This example demonstrate about How to sort string array in android listview.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 In the code, we have taken listview to show a sorted arrayStep 3 − Add the following code to src/MainActivity.javapackage com.example.myapplication; import android.os.Bundle; import android.support.v7.app.AppCompatActivity; import android.widget.ArrayAdapter; import android.widget.EditText; import android.widget.ListView; import java.util.Arrays; public class MainActivity extends AppCompatActivity { ListView list; String[] array = {"2", "5", ...
Read MoreHow to reverse of integer array in android listview?
This example demonstrate about How to reverse of integer array in android listview.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 In the code, we have taken listview to show reversed arrayStep 3 − Add the following code to src/MainActivity.javapackage com.example.myapplication; import android.os.Bundle; import android.support.v7.app.AppCompatActivity; import android.widget.ArrayAdapter; import android.widget.EditText; import android.widget.ListView; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; public class MainActivity extends AppCompatActivity { ListView list; int[] ...
Read MoreHow has the use of drones revolutionized certain professions?
Drones are a next-generation technology with far-reaching implications for several industries with a large logistics footprint. As with many other innovations and inventions, drones were also developed by the military specifically for surveillance in sensitive areas. Let's consider the impact of drones on the operations of the security forces especially in a vast country like India with all the challenges that it faces from multiple sources of discord.If we take the LOC (Line of Control) which divides the state of Jammu & Kashmir from those parts of the state that are under the illegal occupation of Pakistan, we find that ...
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