[Android] ProgressBar&SeekBar

activity_main.xml

<?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">
    <ProgressBar
        android:id="@+id/progressBar1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        style="?android:attr/progressBarStyleHorizontal"
        android:max="100"
        android:progress="20"/>
    <Button
        android:id="@+id/btnInc"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="10씩 증가"/>
    <Button
        android:id="@+id/btnDec"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="10씩 감소"/>
    <TextView
        android:id="@+id/tvSeek"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"/>
    <SeekBar
        android:id="@+id/seekBar1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"/>


</LinearLayout>

MainActivity.java

package com.example.progressseekbar;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.ProgressBar;
import android.widget.SeekBar;
import android.widget.TextView;

public class MainActivity extends AppCompatActivity {

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

        final ProgressBar pb1;
        Button btnInc, btnDec;
        pb1 = (ProgressBar) findViewById(R.id.progressBar1);
        btnInc = (Button) findViewById(R.id.btnInc);
        btnDec = (Button) findViewById(R.id.btnDec);

        btnInc.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                pb1.incrementProgressBy(10);
            }
        });
        btnDec.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                pb1.incrementProgressBy(-10);
            }
        });

        final TextView tvSeek = (TextView) findViewById(R.id.tvSeek);
        SeekBar seekBar1 = (SeekBar) findViewById(R.id.seekBar1);

        seekBar1.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
            @Override
            public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
                //progress(원 모양)를 터치해서 좌우로 끌면 이동한 값을 출력
                tvSeek.setText("진행률 : "+progress+" %");
            }

            @Override
            public void onStartTrackingTouch(SeekBar seekBar) {

            }

            @Override
            public void onStopTrackingTouch(SeekBar seekBar) {

            }
        });

    }
}

 

실행 화면