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Found 1631 Articles for Android
![Azhar](https://www.tutorialspoint.com/assets/profiles/124637/profile/60_166181-1565938637.jpg)
1K+ Views
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.os.Bundle; import android.view.View; import java.util.Timer; import java.util.TimerTask; public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); } @Override public void onWindowFocusChanged(boolean hasFocus) { super.onWindowFocusChanged(hasFocus); ... Read More
![Azhar](https://www.tutorialspoint.com/assets/profiles/124637/profile/60_166181-1565938637.jpg)
730 Views
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.content.Context; import android.content.SharedPreferences; import android.os.Bundle; import android.view.View; import android.widget.EditText; import android.widget.Toast; public class MainActivity extends AppCompatActivity { EditText etName, etEmail; SharedPreferences sharedPreferences; public static final String myPreference = "myPref"; public static final ... Read More
![Azhar](https://www.tutorialspoint.com/assets/profiles/124637/profile/60_166181-1565938637.jpg)
1K+ Views
This example demonstrates how do I get the distance between two geographic locations 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.location.Location; import android.os.Bundle; import android.widget.TextView; public class MainActivity extends AppCompatActivity { TextView textView; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); textView = findViewById(R.id.textView); ... Read More
![Azhar](https://www.tutorialspoint.com/assets/profiles/124637/profile/60_166181-1565938637.jpg)
197 Views
This example demonstrates how do I delete SharedPreferences data for 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 res/strings.xml Sample player_name country_name Step 4 − Add the following code to src/MainActivity.javaimport androidx.appcompat.app.AppCompatActivity; import android.content.Context; import android.content.SharedPreferences; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.TextView; public class MainActivity extends AppCompatActivity { TextView textView, tvAfterDelete; ... Read More
![Azhar](https://www.tutorialspoint.com/assets/profiles/124637/profile/60_166181-1565938637.jpg)
4K+ Views
This example demonstrates how do I read a simple text file in the 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.Create a new Android Resource directory (raw.xml) and add a text file in the res/rawStep 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.TextView; import android.widget.Toast; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; public class MainActivity extends AppCompatActivity ... Read More
![Azhar](https://www.tutorialspoint.com/assets/profiles/124637/profile/60_166181-1565938637.jpg)
2K+ Views
This example demonstrates how do I add calendar events 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.os.Bundle; import android.view.View; import java.util.Calendar; public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); } public void AddCalendarEvent(View view) { ... Read More
![Azhar](https://www.tutorialspoint.com/assets/profiles/124637/profile/60_166181-1565938637.jpg)
5K+ Views
This example demonstrates how do I call an activity method from a fragment 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 androidx.fragment.app.FragmentManager; import androidx.fragment.app.FragmentTransaction; 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); FragmentManager fragmentManager = getSupportFragmentManager(); ... Read More
![Azhar](https://www.tutorialspoint.com/assets/profiles/124637/profile/60_166181-1565938637.jpg)
910 Views
This example demonstrates how do I iterate JSON Array 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.widget.TextView; import org.json.JSONArray; import org.json.JSONException; import org.json.JSONObject; public class MainActivity extends AppCompatActivity { TextView textView; String strJson = "{ \"Employee\" :[{\"ID\":\"01\", \"Name\":\"Sam\", \"Salary\":\"50000\"}, " + "{\"ID\":\"02\", \"Name\":\"Shankar\", \"Salary\":\"60000\"}] }"; @Override protected void onCreate(Bundle ... Read More
![Azhar](https://www.tutorialspoint.com/assets/profiles/124637/profile/60_166181-1565938637.jpg)
141 Views
This example demonstrates how do I validate an email address 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.view.View; import android.widget.EditText; import android.widget.Toast; public class MainActivity extends AppCompatActivity { EditText editText; String email; String emailPattern = "[a-zA-Z0-9._-]+@[a-z]+\.+[a-z]+"; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); ... Read More
![Azhar](https://www.tutorialspoint.com/assets/profiles/124637/profile/60_166181-1565938637.jpg)
2K+ Views
This example demonstrates how do I use RecyclerView inside NestedScrollView 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 the build.gradle (Module: app)implementation 'com.android.support:appcompat-v7:28.0.0' implementation 'com.android.support:design:28.0.0' implementation 'com.android.support:recyclerview-v7:28.0.0' implementation 'com.android.support:cardview-v7:28.0.0' implementation 'com.intuit.sdp:sdp-android:1.0.3'Step 2 − Add the following code to res/layout/activity_main.xml. Step 3 − Create a layout resource file (list_item.xml) and add the following code − ... Read More