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Articles by Nitya Raut
Page 10 of 16
Uninstall APKs programmatically
This example demonstrate about Uninstall APKs programmaticallyStep 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 text view.Step 3 − Add the following code to src/MainActivity.java import android.app.Activity; import android.content.Intent; import android.net.Uri; import android.os.Bundle; import android.view.View; import android.widget.TextView; import android.widget.Toast; public class MainActivity extends Activity { TextView text; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); ...
Read MoreHow to disable action bar tittle in android?
This example demonstrates How to disable action bar tittle 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 text view.Step 3 − Add the following code to src/MainActivity.javapackage com.example.myapplication; import android.annotation.SuppressLint; import android.app.ActivityManager; import android.app.admin.DevicePolicyManager; import android.content.ComponentName; import android.content.Context; import android.content.Intent; import android.net.wifi.WifiInfo; import android.net.wifi.WifiManager; import android.os.Build; import android.os.Bundle; import android.support.annotation.RequiresApi; import android.support.v7.app.AppCompatActivity; import android.view.MenuItem; import android.view.View; import android.widget.TextView; public class MainActivity extends AppCompatActivity ...
Read MoreHow to print list values in reverse order using Collections.reverse() in Android?
This example demonstrates How to print list values in reverse order using Collections.reverse() 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 name and record number as Edit text, when user click on save button it will store the data into arraylist. Click on refresh button to get the ...
Read MoreWhat is 0 (zero) - A decimal literal or An octal literal in C++
The 0 (Zero) before a number is basically the octal literal.In C/C++ we can use octal literals by typing a zero before the actual number. For example, if an octal number is 25, then we have to write 025.Example Code#include int main() { int a = 025; int b = 063; printf("Decimal of 25(Octal) is %d", a); printf("Decimal of 63(Octal) is %d", b); }OutputDecimal of 25(Octal) is 21 Decimal of 63(Octal) is 51
Read MoreHow to Count Variable Numbers of Arguments in C?
In this section we will see how to count number of arguments in case of variable number of arguments in C.The C supports ellipsis. This is used to take variable number of arguments to a function. User can count the arguments by using one of the three different ways.By passing the first argument as count of the parametersBy passing last argument as NULL.Using the logic like printf() or scanf() where the first argument has the placeholders for other arguments.In the following program, we will total number of variable of arguments passed.Example Code#include #include int get_avg(int count, ...) { ...
Read MoreHow to remove unused space for arraylist Listview in Android?
This example demonstrates How to remove unused space for arraylist Listview 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 name and record number as Edit text, when user click on save button it will store the data into arraylist. Click on ...
Read MoreReading images using Python?
Image Processing Using OpenCVOpenCV(Open source computer vision) is an open source programming library basically developed for machine learning and computer vision. It provides common infrastructure to work on computer vision applications and to fasten the use of machine learning in commercial products.With more than 2.5 thousand optimized algorithms for both computer vision and machine learning are both classic and state-of-the-art algorithms. With so many algorithms, makes it to use the library for multiple purposes including face detection & recognization, identify objects, classify human actions in videos, track camera movements, join images together to produce a high resolution image of an ...
Read MoreHow to get current status bar elevation in android?
This example demonstrates How to get current status bar elevation 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 text view to show status bar elevation.Step 3 − Add the following code to src/MainActivity.javapackage com.example.myapplication; import android.app.ActivityManager; import android.app.admin.DevicePolicyManager; import android.content.ComponentName; import android.content.Context; import android.net.wifi.WifiInfo; import android.net.wifi.WifiManager; import android.os.Build; import android.os.Bundle; import android.support.annotation.RequiresApi; import android.support.v7.app.AppCompatActivity; import android.view.View; import android.widget.TextView; public class MainActivity extends AppCompatActivity ...
Read MoreHow to Parse Command Line Arguments in C++?
It is possible to pass some values from the command line to your C++ programs when they are executed. These values are called command line arguments and many times they are important for your program especially when you want to control your program from outside instead of hard-coding those values inside the code.The command line arguments are handled using main() function arguments where argc refers to the number of arguments passed, and argv[] is a pointer array which points to each argument passed to the program. Following is a simple example which checks if there is any argument supplied from ...
Read MoreHow to sort Listview in Android?
This example demonstrate about How to sort Listview in Android using collections.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 name and record number as Edit text, when user click on save button it will store the data into arraylist. Click on refresh button to ...
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