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Mobile Development Articles
Page 83 of 156
How 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 ...
Read MoreHow to use Material Design components in an Android App?
This example demonstrates how to use Material Design components 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 ...
Read MoreHow to create transparent statusbar and ActionBar in Android?
This example demonstrates how to create a transparent statusbar and ActionBar 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/values/styles.xml ...
Read MoreHow to filter a RecyclerView with a SearchView on Android?
This example demonstrates how to filter a RecyclerView with a SearchView 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.javapackage com.app.sample; import android.os.Bundle; import android.view.Menu; import android.view.MenuInflater; import android.view.MenuItem; import android.view.inputmethod.EditorInfo; import android.widget.SearchView; import androidx.appcompat.app.AppCompatActivity; import androidx.recyclerview.widget.LinearLayoutManager; import androidx.recyclerview.widget.RecyclerView; import java.util.ArrayList; import java.util.List; public class MainActivity extends AppCompatActivity { private ExampleAdapter adapter; private List exampleList; @Override protected void ...
Read MoreHow do I change the background color of the ActionBar of an ActionBarActivity?
This example demonstrates how to change the background color of the ActionBar of an ActionBarActivityStep 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 color and font of Android ListView?
This example demonstrates how to change the color and font of 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. Step 3 − Add the following code to src/MainActivity.javaStep 4 − Add the following code to Manifests/AndroidManifest.xml ...
Read MoreHow ListView's recycling mechanism works on Android?
This example demonstrates how ListView's recycling mechanism works 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 res/layout/card_row.xml. Step 4 − Add the following code to src/MainActivity.javapackage com.app.sample; import android.os.Bundle; import android.view.GestureDetector; import android.view.MotionEvent; import android.view.View; import android.widget.Toast; import androidx.appcompat.app.AppCompatActivity; import androidx.recyclerview.widget.LinearLayoutManager; import androidx.recyclerview.widget.RecyclerView; import java.util.ArrayList; public class MainActivity extends AppCompatActivity { private ArrayList cities; @Override ...
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