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Articles by Azhar
Page 33 of 46
How to use Location API in Android to track your current location?
This example demonstrates how do I use Location API in android to track your current location.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Add the following dependency in the build.gradle (Module:app) −implementation 'com.google.android.gms:play-services-maps:17.0.0'Step 2 − Add the following code to res/layout/activity_main.xml. Step 3 − Add the following code to src/MainActivity.javaimport androidx.fragment.app.FragmentActivity; import android.os.Bundle; import com.google.android.gms.maps.CameraUpdateFactory; import com.google.android.gms.maps.GoogleMap; import com.google.android.gms.maps.OnMapReadyCallback; import com.google.android.gms.maps.SupportMapFragment; import com.google.android.gms.maps.model.LatLng; import com.google.android.gms.maps.model.MarkerOptions; public class MapsActivity extends FragmentActivity implements OnMapReadyCallback { GoogleMap mMap; @Override protected void onCreate(Bundle savedInstanceState) ...
Read MoreHow to use NavigationView in Android?
This example demonstrates how do I Use NavigationView 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.os.Bundle; import com.google.android.material.floatingactionbutton.FloatingActionButton; import com.google.android.material.snackbar.Snackbar; import android.view.View; import androidx.navigation.NavController; import androidx.navigation.Navigation; import androidx.navigation.ui.AppBarConfiguration; import androidx.navigation.ui.NavigationUI; import com.google.android.material.navigation.NavigationView; import androidx.drawerlayout.widget.DrawerLayout; import androidx.appcompat.app.AppCompatActivity; import androidx.appcompat.widget.Toolbar; import android.view.Menu; public class MainActivity extends AppCompatActivity { private AppBarConfiguration mAppBarConfiguration; @Override protected void onCreate(Bundle savedInstanceState) { ...
Read MoreHow to implement endless list with RecyclerView in Android?
This example demonstrates how do I implement an endless list with RecyclerView 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.Add the following dependency in build gradle (Module app) −implementation 'com.android.support:cardview-v7:28.0.0' implementation 'com.android.support:recyclerview-v7:28.0.0'Step 2 − Add the following code to res/layout/activity_main.xml. Step 3 − Add the following code to src/MainActivity.javaimport androidx.annotation.NonNull; import androidx.appcompat.app.AppCompatActivity; import androidx.recyclerview.widget.LinearLayoutManager; import androidx.recyclerview.widget.RecyclerView; import android.os.Bundle; import android.os.Handler; import java.util.ArrayList; public class MainActivity extends AppCompatActivity { RecyclerView recyclerView; RecyclerViewAdapter recyclerViewAdapter; ArrayListrowsArrayList = new ...
Read MoreHow can I style an Android Switch widget?
This example demonstrates how do I Style an Android Switch Widget 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 (customswitchselector.xml) and add the following code − ...
Read MoreHow to handle right-to-left and left-to-right swipe gestures on Android?
This example demonstrates how do I handle right to left and left to right swipe gestures 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.widget.RelativeLayout; import android.widget.Toast; public class MainActivity extends AppCompatActivity { RelativeLayout layout; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); layout = ...
Read MoreWhat is the best way to auto scale TextView Text to Fit within Bounds on Android?
This example demonstrates how to do I auto scale TextView text to fit within the bounds 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.Add the following dependencies to build.gradle: Module: App)implementation 'com.android.support:design:28.0.0' implementation 'me.grantland:autofittextview:0.2.1'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; public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { ...
Read MoreHow to use SQLite database with an Android application?
This example demonstrates how do I use the SQLite database with an android application.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 new Java class (DataBaseManager) and add the following code −import android.content.ContentValues; import android.content.Context; import android.database.Cursor; import android.database.SQLException; import android.database.sqlite.SQLiteDatabase; public class DataBaseManager { private DatabaseHelper databaseHelper; private Context context; private SQLiteDatabase database; DataBaseManager(Context c) { context = c; } ...
Read MoreHow to get the Android device's primary e-mail address?
This example demonstrates how do I get the android device's primary e-mail address.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.annotation.NonNull; import androidx.appcompat.app.AppCompatActivity; import androidx.core.app.ActivityCompat; import androidx.core.content.ContextCompat; import android.Manifest; import android.accounts.Account; import android.accounts.AccountManager; import android.app.Activity; import android.content.pm.PackageManager; import android.os.Build; import android.os.Bundle; import android.util.Log; import android.util.Patterns; import android.widget.TextView; import android.widget.Toast; import java.util.regex.Pattern; public class MainActivity extends AppCompatActivity { private Activity activity = ...
Read MoreHow to send data from one Fragment to another Fragment in Android?
This example demonstrates how do I set the Android permission on a folder/file on SD Card to be able to write to it.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 two fragment layouts and add the following code as given below −FragmentOne.javaimport android.content.Context; import android.os.Bundle; import androidx.annotation.NonNull; import androidx.fragment.app.Fragment; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.Button; import android.widget.EditText; public class ...
Read MoreHow to set the Android permission on a folder/file on SD Card to be able to write to it?
This example demonstrates how do I set the Android permission on a folder/file on SD Card to be able to write to it.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.Environment; import android.view.View; import android.widget.Button; import android.widget.EditText; import android.widget.TextView; import java.io.BufferedReader; import java.io.DataInputStream; import ...
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