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Apps/Applications Articles
Page 140 of 148
How to display a button in random screen position?
This example demonstrates How to display a button in random screen positionStep 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. In the above code, we have taken a button to move random position.Step 3 − Add the following code to src/MainActivity.javapackage com.example.myapplication; import android.os.Bundle; import android.support.v4.app.FragmentActivity; import android.util.DisplayMetrics; import android.widget.Button; import android.widget.LinearLayout; import java.util.Random; import java.util.Timer; import java.util.TimerTask; public class MainActivity extends FragmentActivity { @Override public void onCreate(Bundle savedInstanceState) ...
Read MoreHow to handle orientation change android?
This example demonstrate about How to handle orientation change androidStep 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. In the above code, we have taken text view to show orientation changes.Step 3 − Add the following code to src/MainActivity.javapackage com.example.myapplication; import android.content.res.Configuration; import android.os.Build; import android.os.Bundle; import android.support.annotation.RequiresApi; import android.support.v7.app.AppCompatActivity; import android.widget.TextView; public class MainActivity extends AppCompatActivity { TextView actionEvent; @RequiresApi(api = Build.VERSION_CODES.LOLLIPOP) @Override protected void onCreate(Bundle ...
Read MoreHow to launch another app from your app?
This example demonstrates How to launch another app from your appStep 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. In the above code, we have taken button view to open YouTube application.Step 3 − Add the following code to src/MainActivity.javapackage com.example.myapplication; import android.content.ActivityNotFoundException; import android.content.Intent; import android.content.pm.ResolveInfo; import android.content.res.Configuration; import android.graphics.PixelFormat; import android.os.Build; import android.os.Bundle; import android.support.annotation.RequiresApi; import android.support.v7.app.AppCompatActivity; import android.util.Log; import android.view.Gravity; import android.view.LayoutInflater; import android.view.MotionEvent; import android.view.View; import android.view.WindowManager; import ...
Read MoreHow to manage startActivityForResult on Android?
This example demonstrate about How to manage startActivityForResult on AndroidStep 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. In the above code, we have taken text view to show on Activity result data.Step 3 − Add the following code to src/MainActivity.java import android.content.Intent; import android.os.Build; import android.os.Bundle; import android.support.annotation.RequiresApi; import android.support.v7.app.AppCompatActivity; import android.view.View; import android.widget.TextView; public class MainActivity extends AppCompatActivity { TextView actionEvent; @RequiresApi(api = Build.VERSION_CODES.LOLLIPOP) @Override ...
Read MoreHow to save an Android Activity state using save instance state?
This example demonstrate about How to save an Android Activity state using save instance stateStep 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. In the above code, we have taken text view to show restore instance elements.Step 3 − Add the following code to src/MainActivity.java import android.os.Build; import android.os.Bundle; import android.os.PersistableBundle; import android.support.annotation.RequiresApi; import android.support.v7.app.AppCompatActivity; import android.widget.TextView; public class MainActivity extends AppCompatActivity { TextView actionEvent; @RequiresApi(api = Build.VERSION_CODES.LOLLIPOP) ...
Read MoreHow to send message from firebase console after creation project?
Open your firebase page (https://console.firebase.google.com/) as shown below –Now select your project. In our case we have tutorialspoint project. It will direct to console page of project as shown below –Now scroll down right side menu to grow as shown below –In Grow tab select Cloud messaging as shown below –Now click on new notification button. It will redirect to compose message button as shown below –Now write your message as shown below –Now click on next to go target tab. Now select project as shown below –Now click on next button to go schedule as shown below –Now click ...
Read MoreHow to Use Android loader?
This example demonstrate about How to Use Android loaderStep 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. ss In the above code, we have taken listview to show contact names.Step 3 − Add the following code to src/MainActivity.java import android.Manifest; import android.content.CursorLoader; import android.content.Loader; import android.content.pm.PackageManager; import android.database.Cursor; import android.os.Bundle; import android.provider.ContactsContract; import android.support.v4.app.ActivityCompat; import android.support.v4.app.FragmentActivity; import android.support.v4.content.ContextCompat; import android.support.v4.widget.SimpleCursorAdapter; import android.widget.ListView; public class MainActivity extends FragmentActivity implements android.app.LoaderManager.LoaderCallbacks { private ...
Read MoreHow to use findViewById in Fragment?
This example demonstrate about How to use findViewById in FragmentStep 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. In the above code, we have taken two fragments.Step 3 − Add the following code to src/MainActivity.java import android.os.Bundle; import android.support.v4.app.FragmentActivity; public class MainActivity extends FragmentActivity { @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); ...
Read MoreHow to use firebase messaging in android application?
This example demonstrate How to use firebase messaging in android applicationStep 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 src/MainActivity.java import android.os.Bundle; import android.support.v4.app.FragmentActivity; public class MainActivity extends FragmentActivity { @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); } }Step 3 − Add the following code to src/ MyFirebaseMessagingService.java import android.app.Notification; import android.app.NotificationChannel; import android.app.NotificationManager; import android.content.Context; import android.graphics.Color; import android.os.Build; import android.support.v4.app.NotificationCompat; import android.support.v4.content.ContextCompat; import android.util.Log; ...
Read MoreHow to use handler in android?
This example demonstrate about How to use handler in androidStep 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. In the above code, we have taken button.Step 3 − Add the following code to src/MainActivity.java import android.os.Bundle; import android.os.Handler; import android.support.v4.app.FragmentActivity; import android.util.DisplayMetrics; import android.widget.Button; import java.util.Random; import java.util.Timer; import java.util.TimerTask; public class MainActivity extends FragmentActivity { Handler handler; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); ...
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