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Apps/Applications Articles
Page 80 of 148
How to set selected item of Spinner by value instead of by position on Android?
This example demonstrates how do I set the selected item of Spinner by value instead of by position 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 androidx.appcompat.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.widget.ArrayAdapter; import android.widget.Spinner; import java.util.ArrayList; import java.util.Arrays; import java.util.List; public class MainActivity extends AppCompatActivity { Spinner spinner; String[] FootBallPlayers = new String[]{"Lionel Messi", ...
Read MoreHow to determine Android device screen size category (small, normal, large, xlarge) programatically?
This example demonstrates how do I determine the Android device screen size category (small, normal, large, xlarge) programmatically.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 androidx.appcompat.app.AppCompatActivity; import android.content.res.Configuration; import android.os.Bundle; import android.util.DisplayMetrics; import android.view.View; import android.widget.Toast; public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); ...
Read MoreBenefits of Using Modern Learning Apps
Advancements in technology have lead to a newer and more efficient way of learning. The usage of these modern learning techniques are gaining popularity. Modern learning methods used by teachers in e-learning are educational websites, educational applications, learning games, ebooks and virtual teaching courses.Using these modern learning methods, students can learn interactively and at their own pace. These learning apps and videos are used to transform teaching experience. It is more eco friendly technical and is more interactive as compared to traditional once which used chalk-board and pen-paper.Applications that are downloadable create an interactive environment for students to learn with ...
Read MoreWhat is the height of the status bar in Android?
This example demonstrates how to height of the status bar 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.javapackage com.app.sample; import androidx.appcompat.app.AppCompatActivity; import android.os.Bundle; import android.content.res.Resources; import android.os.Bundle; import android.widget.Toast; public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); getStatusBarHeight(); } private int getStatusBarHeight() ...
Read MoreHow to animate RecyclerView items when they appear on screen?
This example demonstrates how to animate RecyclerView items when they appear on the screen .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 res/anim/down_to_up.xml. Step 4 − Add the following code to res/anim/left_to_right.xml. Step 5 − Add the following code to res/anim/right_to_left.xml. Step 6 − Add the ...
Read MoreHow to make the corners of a button round in Android?
This example demonstrates how to make the corners of a button round 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.javapackage com.app.sample; import androidx.appcompat.app.AppCompatActivity; import android.os.Bundle; public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); } }Step 4 − Add the following code to res/drawable/mybutton.xml. ...
Read MoreHow to change the background color of the options menu in Android?
This example demonstrates how to change the background color of the options menu 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 res/menu/menu_items.xml Step 4 − Add the following code to res/values/styles.xml @color/colorPrimary @color/colorPrimaryDark @color/colorAccent @color/colorPrimary @color/skyBlue ...
Read MoreHow to make surfaceview transparent in an Android App?
This example demonstrates how to make surfaceview transparent in 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.javapackage com.app.sample; import androidx.appcompat.app.AppCompatActivity; import android.os.Bundle; public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); } }Step 4 − Add the following code to Manifests/AndroidManifest.xml ...
Read MoreHow to change colors of a Drawable in Android?
This example demonstrates how to change the colors of a Drawable 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.javapackage com.app.sample; import androidx.appcompat.app.AppCompatActivity; import android.graphics.drawable.AnimationDrawable; import android.os.Bundle; import android.widget.LinearLayout; public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); LinearLayout your_Layout = (LinearLayout) findViewById(R.id.activity_main); AnimationDrawable animationDrawable ...
Read MoreHow to set Android Toast duration longer than Toast.LENGTH_LONG?
This example demonstrates how to set Android Toast duration longer than Toast.LENGTH_LONG.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.javapackage com.app.sample; import androidx.appcompat.app.AppCompatActivity; import android.os.Bundle; import android.os.CountDownTimer; import android.view.View; import android.widget.Toast; public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); } private Toast mToastToShow; public ...
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