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Articles by Azhar
Page 15 of 46
How to overlay two images in Android to set an ImageView?
This example demonstrates how do I overlay two images In Android to set an ImageView.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 − Copy and paste two images which you want to overlay(Merge) in the res/drawable Then Create a drawable resource file (layer.xml) and add the following code, Step 3 − Add the following code to src/MainActivity.javaimport androidx.appcompat.app.AppCompatActivity; import android.os.Bundle; import android.view.View; ...
Read MoreHow to create a Dialog Box without a title in Android?
This example demonstrates how to create a Dialog Box without a title 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.example.sample; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.app.Activity; import android.app.AlertDialog; import android.content.DialogInterface; import android.content.Intent; import android.os.Bundle; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.EditText; import android.widget.TextView; import android.widget.Toast; public class Dialog extends AppCompatActivity { Button ...
Read MoreHow to change action bar size in Android?
This example demonstrates how to change action bar size 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/values/styles.xml @color/colorAccent @color/colorPrimary @color/colorAccent 36dip Step 3 − Add the following code to res/layout/activity_main.xml. Step 4 − Add the following code to src/MainActivity.javapackage com.example.sample; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; public class MainActivity extends ...
Read MoreHow to create Android Hello World App?
This example demonstrates how to create Android Hello World 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.example.sample; import android.support.v7.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 MoreAndroid bundle to pass data between activities?
This example demonstrates how to pass data between activities.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/activity_second.xml. Step 4 − Add the following code to src/MainActivity.javapackage com.example.sample; import androidx.appcompat.app.AppCompatActivity; import android.content.Intent; import android.text.TextUtils; import android.view.View; import android.widget.Button; import android.widget.EditText; import ...
Read MoreHow do I create a transparent Activity in an Android App?
This example demonstrates how to create a transparent Activity 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/values/styles.xml. #33000000 true @android:color/transparent @null true @android:style/Animation Step 3 − Add the following code to res/layout/activity_main.xml. Step 4 − Add the following code to src/MainActivity.javapackage com.example.transparentactivity; import android.support.v7.app.AppCompatActivity; ...
Read MoreHow to read value from string.xml in Android?
This example demonstrates how to read value from string.xml 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/values/strings.xml Sample Test string Step 3 − Add the following code to res/layout/activity_main.xml Step 4 − Add the following code to src/MainActivity.javapackage com.example.sample; import android.support.v7.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 do I change current theme at runtime in my android app?
This example demonstrates how do I change current theme at runtime in my 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.javaimport android.support.v7.app.AppCompatActivity; import android.os.Bundle; public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setTheme(android.R.style.Theme_Black); setContentView(R.layout.activity_main); } }Step 4 − Add the following code to androidManifest.xml ...
Read MoreHow to detect long press in Android?
This example demonstrates how do I detect long Press 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.javaimport android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.GestureDetector; import android.view.MotionEvent; import android.widget.Toast; public class MainActivity extends AppCompatActivity { GestureDetector gestureDetector; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); gestureDetector = new GestureDetector(this, new GestureListener()); ...
Read MoreHow to detect end of ScrollView in Android?
This example demonstrates how do I detect end of scrollView 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.javaimport android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.MotionEvent; import android.view.View; import android.view.ViewTreeObserver; import android.webkit.WebView; import android.widget.ScrollView; import android.widget.Toast; public class MainActivity extends AppCompatActivity implements View.OnTouchListener, ViewTreeObserver.OnScrollChangedListener { ScrollView scrollView; WebView webView; @Override ...
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