BigTextStyle

BigTextStyle ci permette di  generare notifiche che includono molto testo e quando viene trascina verso il basso si espande per visualizzare l’intero messaggio:

main_activity.xml
<?xml version=”1.0″ encoding=”utf-8″?>
<LinearLayout
xmlns:android=”http://schemas.android.com/apk/res/android“
android:layout_width=”match_parent”
android:layout_height=”match_parent”
android:gravity=”center”
android:orientation=”vertical”>

<Button
android:layout_width=”wrap_content”
android:layout_height=”wrap_content”
android:text=”Big Text”
android:id=”@+id/btn”/>
</LinearLayout>

MainActivity.java
package com.example.notification.activities;

import android.os.Bundle;
import androidx.appcompat.app.AppCompatActivity;
import com.example.notification.R;
import android.widget.*;
import android.view.*;
import android.app.*;
import android.os.*;
import android.content.*;
import androidx.core.app.*;

public class MainActivity extends AppCompatActivity {
Button button;
String CHANNEL_ID = “notification”;
@Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

button = findViewById(R.id.btn);
        button.setOnClickListener(new View.OnClickListener() {

@Override
public void onClick(View view) {
notification();
}
});
    }

   
   private void notification() {
NotificationManager notificationManager= (NotificationManager)
getSystemService(Context.NOTIFICATION_SERVICE);
       
Intent intent = new Intent (MainActivity. this , MainActivity. class);

       
PendingIntent pendingIntent = PendingIntent.
getActivity(MainActivity. this , 0 , intent, 0);

if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
NotificationChannel notificationChannel= new NotificationChannel(CHANNEL_ID,
“Notification”, NotificationManager.IMPORTANCE_MAX);
           
           
          
          
notificationManager.createNotificationChannel(notificationChannel);
     
}

NotificationCompat.Builder builder = new NotificationCompat.
Builder(this, CHANNEL_ID);
       builder.setAutoCancel(true)
    .setSmallIcon(R.mipmap.ic_launcher)

.setContentTitle(“Notification”);

method(builder);                        


builder.setContentIntent(pendingIntent);
notificationManager.notify(0, builder.build());


   
}

private void method(NotificationCompat.Builder builder)
{
builder.setStyle(new NotificationCompat.BigTextStyle()
.bigText(“BigTextStyle ci permette di  generare notifiche che includono molto testo e quando viene trascina verso il basso si espande per visualizzare l’intero messaggio”));
}
}