publisher.java

private final Strategy PUB_SUB_STRATEGY = new Strategy.Builder()
        .setTtlSeconds(Strategy.TTL_SECONDS_MAX).build();

private final PublishOptions PUB_OPTIONS = new PublishOptions.Builder()
        .setStrategy(PUB_SUB_STRATEGY)
        .setCallback(new PublishCallback(){
            @Override
            public void onExpired() {
                Toast.makeText(
                        MainActivity.this,
                        "Experid message",
                        Toast.LENGTH_LONG).show();
            }
        })
        .build();


...
    
public void share(View view) {
    StringBuffer buffer = new StringBuffer();
    buffer.append(edtFacebook.getText() + " ");
    buffer.append(edtTwitter.getText() + " ");
    buffer.append(edtLinkedin.getText() + " ");
    buffer.append(edtPhoto.getText());
    message = new Message(buffer.toString().getBytes());

    Nearby.getMessagesClient(this)
            .publish(message, PUB_OPTIONS)
            .addOnSuccessListener(this, new OnSuccessListener<Void>() {
                @Override
                public void onSuccess(Void aVoid) {
                    Log.e(TAG, "sucesso: " + aVoid);
                }
            })
            .addOnFailureListener(this, new OnFailureListener() {
                @Override
                public void onFailure(@NonNull Exception e) {
                    Log.e(TAG, "sucesso: " + e.getLocalizedMessage());
                }
            });
}