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Android to update the UI with every new minute

Posted on November 23, 2021November 24, 2021 By christo No Comments on Android to update the UI with every new minute

Here is full source code to update the UI with every new minute

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="com.example.application.exampleapp.MainActivity">

    <TextView
        android:id="@+id/counter_text"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="0"
        android:textSize="60sp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

</android.support.constraint.ConstraintLayout>

MainActivity.java

package com.example.application.exampleapp;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.TextView;

public class MainActivity extends AppCompatActivity {
    private TextView counterText;
    private BroadcastReceiver minuteUpdateReceiver;
    private int counter;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        counterText = (TextView) findViewById(R.id.counter_text);
    }

    public void startMinuteUpdater() {
        IntentFilter intentFilter = new IntentFilter();
        intentFilter.addAction(Intent.ACTION_TIME_TICK);
        minuteUpdateReceiver = new BroadcastReceiver() {
            @Override
            public void onReceive(Context context, Intent intent) {
                counter++;
                counterText.setText("" + counter);
            }
        };

        registerReceiver(minuteUpdateReceiver, intentFilter);
    }

    @Override
    protected void onResume() {
        super.onResume();
        startMinuteUpdater();
    }

    @Override
    protected void onPause() {
        super.onPause();
        unregisterReceiver(minuteUpdateReceiver);
    }
}

android Tags:Android

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