ELTEGANI · April 2, 2025 11:28 · May 14, 2020 · May 14, 2020 · May 14, 2020 · May 14, 2020
diff --git a/MainActivity → MainActivity.java b/MainActivity → MainActivity.java
diff --git a/MyNotificationPublisher → MyNotificationPublisher.java b/MyNotificationPublisher → MyNotificationPublisher.java
diff --git a/AndroidManifest → AndroidManifest.xml b/AndroidManifest → AndroidManifest.xml
diff --git a/AndroidManifest b/AndroidManifest
@@ -0,0 +1,20 @@
+<? xml version = "1.0" encoding = "utf-8" ?>
+<manifest xmlns: android = "http://schemas.android.com/apk/res/android"
+   package = "app.tutorialspoint.com.notifyme" >
+   <uses-permission android :name = "android.permission.VIBRATE" />
+   <application
+      android :allowBackup = "true"
+      android :icon = "@mipmap/ic_launcher"
+      android :label = "@string/app_name"
+      android :roundIcon = "@mipmap/ic_launcher_round"
+      android :supportsRtl = "true"
+      android :theme = "@style/AppTheme" >
+      <activity android :name = ".MainActivity" >
+         <intent-filter>
+            <action android :name = "android.intent.action.MAIN" />
+            <category android :name = "android.intent.category.LAUNCHER" />
+         </intent-filter>
+      </activity>
+      <receiver android :name= ".MyNotificationPublisher" />
+   </application>
+</manifest>
diff --git a/MainActivity b/MainActivity
@@ -0,0 +1,71 @@
+package app.tutorialspoint.com.notifyme ;
+import android.app.AlarmManager ;
+import android.app.DatePickerDialog ;
+import android.app.Notification ;
+import android.app.PendingIntent ;
+import android.content.Context ;
+import android.content.Intent ;
+import android.os.Bundle ;
+import android.support.v4.app.NotificationCompat ;
+import android.support.v7.app.AppCompatActivity ;
+import android.view.View ;
+import android.widget.Button ;
+import android.widget.DatePicker ;
+import java.text.SimpleDateFormat ;
+import java.util.Calendar ;
+import java.util.Date ;
+import java.util.Locale ;
+public class MainActivity extends AppCompatActivity {
+   public static final String NOTIFICATION_CHANNEL_ID = "10001" ;
+   private final static String default_notification_channel_id = "default" ;
+   Button btnDate ;
+   final Calendar myCalendar = Calendar. getInstance () ;
+   @Override
+   protected void onCreate (Bundle savedInstanceState) {
+      super .onCreate(savedInstanceState) ;
+      setContentView(R.layout. activity_main ) ;
+      btnDate = findViewById(R.id. btnDate ) ;
+   }
+   private void scheduleNotification (Notification notification , long delay) {
+      Intent notificationIntent = new Intent( this, MyNotificationPublisher. class ) ;
+      notificationIntent.putExtra(MyNotificationPublisher. NOTIFICATION_ID , 1 ) ;
+      notificationIntent.putExtra(MyNotificationPublisher. NOTIFICATION , notification) ;
+      PendingIntent pendingIntent = PendingIntent. getBroadcast ( this, 0 , notificationIntent , PendingIntent. FLAG_UPDATE_CURRENT ) ;
+      AlarmManager alarmManager = (AlarmManager) getSystemService(Context. ALARM_SERVICE ) ;
+      assert alarmManager != null;
+      alarmManager.set(AlarmManager. ELAPSED_REALTIME_WAKEUP , delay , pendingIntent) ;
+   }
+   private Notification getNotification (String content) {
+      NotificationCompat.Builder builder = new NotificationCompat.Builder( this, default_notification_channel_id ) ;
+      builder.setContentTitle( "Scheduled Notification" ) ;
+      builder.setContentText(content) ;
+      builder.setSmallIcon(R.drawable. ic_launcher_foreground ) ;
+      builder.setAutoCancel( true ) ;
+      builder.setChannelId( NOTIFICATION_CHANNEL_ID ) ;
+      return builder.build() ;
+   }
+   DatePickerDialog.OnDateSetListener date = new DatePickerDialog.OnDateSetListener() {
+      @Override
+      public void onDateSet (DatePicker view , int year , int monthOfYear , int dayOfMonth) {
+         myCalendar .set(Calendar. YEAR , year) ;
+         myCalendar .set(Calendar. MONTH , monthOfYear) ;
+         myCalendar .set(Calendar. DAY_OF_MONTH , dayOfMonth) ;
+         updateLabel() ;
+      }
+   } ;
+   public void setDate (View view) {
+      new DatePickerDialog(
+         MainActivity. this, date ,
+         myCalendar .get(Calendar. YEAR ) ,
+         myCalendar .get(Calendar. MONTH ) ,
+         myCalendar .get(Calendar. DAY_OF_MONTH )
+      ).show() ;
+   }
+   private void updateLabel () {
+      String myFormat = "dd/MM/yy" ; //In which you need put here
+      SimpleDateFormat sdf = new SimpleDateFormat(myFormat , Locale. getDefault ()) ;
+      Date date = myCalendar .getTime() ;
+      btnDate .setText(sdf.format(date)) ;
+      scheduleNotification(getNotification( btnDate .getText().toString()) , date.getTime()) ;
+   }
+}
diff --git a/MyNotificationPublisher b/MyNotificationPublisher
@@ -0,0 +1,25 @@
+package app.tutorialspoint.com.notifyme ;
+import android.app.Notification ;
+import android.app.NotificationChannel ;
+import android.app.NotificationManager ;
+import android.content.BroadcastReceiver ;
+import android.content.Context ;
+import android.content.Intent ;
+import static app.tutorialspoint.com.notifyme.MainActivity. NOTIFICATION_CHANNEL_ID ;
+public class MyNotificationPublisher extends BroadcastReceiver {
+   public static String NOTIFICATION_ID = "notification-id" ;
+   public static String NOTIFICATION = "notification" ;
+   public void onReceive (Context context , Intent intent) {
+      NotificationManager notificationManager = (NotificationManager) context.getSystemService(Context. NOTIFICATION_SERVICE ) ;
+      Notification notification = intent.getParcelableExtra( NOTIFICATION ) ;
+      if (android.os.Build.VERSION. SDK_INT >= android.os.Build.VERSION_CODES. O ) {
+         int importance = NotificationManager. IMPORTANCE_HIGH ;
+         NotificationChannel notificationChannel = new NotificationChannel( NOTIFICATION_CHANNEL_ID , "NOTIFICATION_CHANNEL_NAME" , importance) ;
+         assert notificationManager != null;
+         notificationManager.createNotificationChannel(notificationChannel) ;
+      }
+      int id = intent.getIntExtra( NOTIFICATION_ID , 0 ) ;
+      assert notificationManager != null;
+      notificationManager.notify(id , notification) ;
+   }
+}
diff --git a/activity_main.xml b/activity_main.xml
@@ -0,0 +1,15 @@
+<? xml version = "1.0" encoding = "utf-8" ?>
+<RelativeLayout xmlns: android = "http://schemas.android.com/apk/res/android"
+   xmlns: tools = "http://schemas.android.com/tools"
+   android :layout_width = "match_parent"
+   android :layout_height = "match_parent"
+   android :padding = "16dp"
+   tools :context = ".MainActivity" >
+   <TextView
+      android :id = "@+id/tvDate"
+      android :layout_width = "match_parent"
+      android :layout_height = "wrap_content"
+      android :hint = "Select Date"
+      android :onClick = "setDate"
+      android :padding = "16dp" />
+</RelativeLayout>
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