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- package com.olimpiade.hapus;
- import androidx.appcompat.app.AppCompatActivity;
- import android.os.Bundle;
- import android.view.View;
- import android.widget.Button;
- import com.nex3z.notificationbadge.NotificationBadge;
- public class MainActivity extends AppCompatActivity {
- NotificationBadge notificationBadge;
- Button increase, clear;
- int count = 0;
- @Override
- protected void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.activity_main);
- notificationBadge = findViewById(R.id.badge);
- increase = findViewById(R.id.btnIncrease);
- increase.setOnClickListener(new View.OnClickListener() {
- @Override
- public void onClick(View view) {
- notificationBadge.setNumber(++count);
- notificationBadge.setVisibility(View.VISIBLE);
- }
- });
- clear = findViewById(R.id.btnClear);
- clear.setOnClickListener(new View.OnClickListener() {
- @Override
- public void onClick(View view) {
- notificationBadge.setNumber(--count);
- if (count == 0){
- notificationBadge.setVisibility(View.INVISIBLE);
- }
- }
- });
- }
- }
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