Android Studio - Thread

* Thread_1

 

* 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"
    tools:context=".MainActivity">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="vertical">

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

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


    </LinearLayout>



</LinearLayout>

 

* 화면

 

* MainActivity.java

package com.example.thread_1;

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 onStartTrackingTouch(SeekBar seekBar) {

            }

            @Override
            public void onStopTrackingTouch(SeekBar seekBar) {

            }

            @Override
            public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
                tvSeek.setText("진행률 : " + progress + " %");

            }
        });





    }
}

* 실행 화면

 

* Thread_2

 

* 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"
    tools:context=".MainActivity">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="vertical">

        <SeekBar
            android:id="@+id/pb1"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:max="100"
            android:progress="10"></SeekBar>
        <SeekBar
            android:id="@+id/pb2"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:max="100"
            android:progress="30"></SeekBar>
        <Button
            android:id="@+id/btn1"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="스레드 시작"></Button>
    </LinearLayout>



</LinearLayout>

 

* 화면

* MainAcrivity.java

package com.example.thread_2;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;
import android.os.SystemClock;
import android.view.View;
import android.widget.Button;
import android.widget.ProgressBar;

public class MainActivity extends AppCompatActivity {

    ProgressBar pb1, pb2;
    Button btn1;



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

        pb1 = (ProgressBar) findViewById(R.id.pb1);
        pb2 = (ProgressBar) findViewById(R.id.pb2);
        btn1 = (Button) findViewById(R.id.btn1);

        btn1.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                new Thread(){
                    public void run() {
                        for (int i = pb1.getProgress(); i < 100; i += 2)
                        {
                            pb1.setProgress(pb1.getProgress()+2);
                            SystemClock.sleep(100);
                        }
                    }
                }.start();

                new Thread(){
                    public void run(){
                        for (int i = pb2.getProgress(); i < 100; i++)
                        {
                            pb2.setProgress(pb2.getProgress()+1);
                            SystemClock.sleep(100);
                        }

                    }
                }.start();
            }

        });


    }
}

* 실행화면

* Thread_3

 

* 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"
    tools:context=".MainActivity">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="vertical">
        <TextView
            android:id="@+id/tv1"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:text="1번 진행율 : "></TextView>
        <SeekBar
            android:id="@+id/pb1"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:max="100"
            android:progress="10"></SeekBar>
        <TextView
            android:id="@+id/tv2"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:text="2번 진행율 : "></TextView>
        <SeekBar
            android:id="@+id/pb2"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:max="100"
            android:progress="20"></SeekBar>
        <Button
            android:id="@+id/btn1"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="스레드 시작"></Button>

    </LinearLayout>


</LinearLayout>

 

* MainActivity.java

package com.example.thread_3;

import androidx.appcompat.app.AppCompatActivity;

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

public class MainActivity extends AppCompatActivity {
    TextView tv1, tv2;
    ProgressBar pb1, pb2;
    Button btn1;


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

        tv1 = (TextView) findViewById(R.id.tv1);
        tv2 = (TextView) findViewById(R.id.tv2);
        pb1 = (ProgressBar) findViewById(R.id.pb1);
        pb2 = (ProgressBar) findViewById(R.id.pb2);
        btn1 = (Button) findViewById(R.id.btn1);

        btn1.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                new Thread(){
                    public void run(){
                        for (int i = pb1.getProgress(); i < 100; i += 2)
                        {
                            runOnUiThread(new Runnable() {
                                @Override
                                public void run() {
                                    pb1.setProgress(pb1.getProgress() + 2);
                                    tv1.setText("1번 진행률 : " + pb1.getProgress() + " %");
                                }
                            });
                            SystemClock.sleep(100);
                        }
                    }
                }.start();
                new Thread(){
                    public void run(){
                        for (int i = pb2.getProgress(); i < 100; i++)
                        {
                            runOnUiThread(new Runnable() {
                                @Override
                                public void run() {
                                    pb2.setProgress(pb2.getProgress()+1);
                                    tv2.setText("2번 진행률 : " + pb2.getProgress() + " %");
                                }
                            });
                            SystemClock.sleep(100);
                        }
                    }
                }.start();
            }
        });



    }
}

* 실행 화면