This example demonstrates how do I get all checked items in a 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.                     Step 3 − Create a java class (CustomAdapter.java) and the following code −import android.annotation.SuppressLint; import android.content.Context; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.BaseAdapter; import android.widget.CheckBox; import android.widget.TextView; import android.widget.Toast; import java.util.ArrayList; import java.util.Objects; class CustomAdapter extends BaseAdapter {    private ... Read More

This example demonstrates how do I make circle custom progress 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 − Create a drawable resource file(circularprogressbar.xml) and add the following code −                                                                   ... Read More

This example demonstrates how do I disable gridView scrolling 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 androidx.appcompat.app.AppCompatActivity; import android.annotation.SuppressLint; import android.content.Context; import android.os.Bundle; import android.view.MotionEvent; import android.view.View; import android.view.ViewGroup; import android.widget.BaseAdapter; import android.widget.GridView; import android.widget.ImageView; import android.widget.Toast; public class MainActivity extends AppCompatActivity {    GridView gridView;    Integer[] imageIDs = {R.drawable.one, R.drawable.two, R.drawable.three, R.drawable.four, R.drawable.five, R.drawable.six, R.drawable.seven, R.drawable.eight, R.drawable.nine, R.drawable.ten};   ... Read More

This example demonstrates how do I get the dialer to open with the open number displayed 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 androidx.appcompat.app.AppCompatActivity; import android.content.Intent; import android.net.Uri; import android.os.Bundle; import android.view.View; public class MainActivity extends AppCompatActivity {    @Override    protected void onCreate(Bundle savedInstanceState) {       super.onCreate(savedInstanceState);       setContentView(R.layout.activity_main);    }    public void ShowDialer(View ... Read More

This example demonstrates how to do I 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 androidx.appcompat.app.AppCompatActivity; import android.annotation.SuppressLint; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.os.Bundle; import android.util.Base64; import android.widget.TextView; import java.io.ByteArrayOutputStream; public class MainActivity extends AppCompatActivity {    TextView textView;    @SuppressLint("WrongThread")    @Override    protected void onCreate(Bundle savedInstanceState) {       super.onCreate(savedInstanceState);       setContentView(R.layout.activity_main);       textView = ... Read More

This example demonstrates how do I clear an imageview 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.

This example demonstrates how do I set the dialog to show with full screen 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 androidx.appcompat.app.AppCompatActivity; import android.app.Dialog; import android.os.Bundle; import android.view.View; public class MainActivity extends AppCompatActivity {    @Override    protected void onCreate(Bundle savedInstanceState) {       super.onCreate(savedInstanceState);       setContentView(R.layout.activity_main);    }    public void ClickHere(View view) {     ... Read More

This example demonstrates how do I get the height and width of the android navigation bar 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.Resources; import android.os.Bundle; import android.widget.TextView; public class MainActivity extends AppCompatActivity {    @Override    protected void onCreate(Bundle savedInstanceState) {       super.onCreate(savedInstanceState);       setContentView(R.layout.activity_main);       TextView textView = findViewById(R.id.textView);     ... Read More

This example demonstrates how do I check whether a headset is plugged into an android device.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.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.os.Bundle; import android.widget.Toast; public class MainActivity extends AppCompatActivity {    BroadcastReceiver broadcastReceiver;    boolean Microphone_Plugged_in = false;    @Override    protected void onCreate(Bundle savedInstanceState) {       super.onCreate(savedInstanceState);   ... Read More

This example demonstrates how do I run a method every 10 seconds 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 androidx.appcompat.app.AppCompatActivity; import android.os.Bundle; import android.os.Handler; import android.widget.Toast; public class MainActivity extends AppCompatActivity {    Handler handler = new Handler();    Runnable runnable;    int delay = 10000;    @Override    protected void onCreate(Bundle savedInstanceState) {       super.onCreate(savedInstanceState);       setContentView(R.layout.activity_main); ... Read More