시크바와 프로그레스바 보여주기

activity_main

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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"
    android:orientation="vertical"
    tools:context=".MainActivity" >

    <SeekBar
        android:id="@+id/seekBar1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />

    <ProgressBar
        android:id="@+id/progressBar"
        style="?android:attr/progressBarStyleHorizontal"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />

    <EditText
        android:id="@+id/editText"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:ems="10"
        android:inputType="textPersonName" />
</LinearLayout>

 

 

 

MainActivity

package com.example.a18;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;
import android.widget.EditText;
import android.widget.ProgressBar;
import android.widget.SeekBar;

public class MainActivity extends AppCompatActivity {

    SeekBar seekBar1;
    ProgressBar progressBar;
    EditText editText;

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

        seekBar1 = findViewById(R.id.seekBar1);
        progressBar = findViewById(R.id.progressBar);
        editText = findViewById(R.id.editText);

        seekBar1.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
            @Override
            public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
//                시크바 조작 중
                progressBar.setProgress(progress);

//                String.valueOf : int -> String
                editText.setText(String.valueOf(progress));
            }

            @Override
            public void onStartTrackingTouch(SeekBar seekBar) {
//                시크바 조작 시작했을 때
            }

            @Override
            public void onStopTrackingTouch(SeekBar seekBar) {
//                시크바 조작 끝냈을 때
            }
        });

    }
}