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Android Articles
Page 95 of 125
How to read an image file in internal storage in android?
This example demonstrates How to read an image file in internal storage 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 button and image view. When user click on button, it will take an image from internal storage and append to image view.Step 3 − Add the following code to src/MainActivity.javapackage com.example.andy.myapplication; import android.content.Context; import android.content.ContextWrapper; import android.graphics.drawable.Drawable; import android.os.Bundle; ...
Read MoreHow to write an image file in internal storage in android?
This example demonstrates How to write an image file in internal storage 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 button. When user click on button, It will store data in internal storage.Step 3 − Add the following code to src/MainActivity.javapackage com.example.andy.myapplication; import android.content.Context; import android.content.ContextWrapper; import android.graphics.Bitmap; import android.graphics.drawable.BitmapDrawable; import android.graphics.drawable.Drawable; import android.os.Bundle; import android.support.v7.app.AppCompatActivity; import android.util.Log; import android.view.View; import android.widget.Button; import ...
Read MoreHow to save data with syntax without Content Values in Android sqlite?
Before getting into example, we should know what sqlite data base in android is. SQLite is an opensource SQL database that stores data to a text file on a device. Android comes in with built in SQLite database implementation. SQLite supports all the relational database features. In order to access this database, you don't need to establish any kind of connections for it like JDBC, ODBC etc.This example demonstrates How to save data with syntax without ContentValues in Android sqlite.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details ...
Read MoreHow to use NOT NULL constraints in Android sqlite?
Before getting into example, we should know what sqlite database in android is. SQLite is an opensource SQL database that stores data to a text file on a device. Android comes in with built in SQLite database implementation. SQLite supports all the relational database features. In order to access this database, you don't need to establish any kind of connections for it like JDBC, ODBC etc.This example demonstrate about How to use NOT NULL constraints in Android sqlite.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create ...
Read MoreHow to use UNIQUE constraints in Android sqlite?
Before getting into an example, we should know what SQLite database in android is. SQLite is an opensource SQL database that stores data to a text file on a device. Android comes in with built-in SQLite database implementation. SQLite supports all the relational database features. In order to access this database, you don't need to establish any kind of connections for it like JDBC, ODBC etc.This example demonstrates How to use UNIQUE constraints in Android SQLite.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new ...
Read MoreHow to use synchronizedSet in Android?
This example demonstrate about How to use synchronizedSet 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 changes of listview.Step 3 ...
Read MoreHow to use unmodifiableSet in Android?
This example demonstrate about How to use unmodifiableSet 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 changes of listview.Step 3 ...
Read MoreHow to use vector class in Android listview?
This example demonstrate about How to use vector class in Android listviewStep 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 the name and record number as Edit text, when user clicks on save button it will store the data into ArrayList. Click on ...
Read MoreHow to add header item for Listview in Android?
This example demonstrates How to add header item for 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 the name and record number as Edit text, when the user clicks on the save button it will store the data into ArrayList. Click on ...
Read MoreHow to add multiple copies in arrylist for Listview in Android?
This example demonstrates How to add multiple copies in arrylist for 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 ...
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