Circular Determinate ProgressBar with Background and Text Tutorial

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.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=".MainActivity">

    <ProgressBar
        android:id="@+id/progress_bar"
        style="@style/CircularDeterminateProgressBar"
        android:layout_width="200dp"
        android:layout_height="200dp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        tools:progress="60" />

    <TextView
        android:id="@+id/text_view_progress"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textAppearance="@style/TextAppearance.AppCompat.Large"
        app:layout_constraintBottom_toBottomOf="@+id/progress_bar"
        app:layout_constraintEnd_toEndOf="@+id/progress_bar"
        app:layout_constraintStart_toStartOf="@+id/progress_bar"
        app:layout_constraintTop_toTopOf="@+id/progress_bar"
        tools:text="60%" />

    <Button
        android:id="@+id/button_decr"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="- 10%"
        app:layout_constraintStart_toStartOf="@+id/progress_bar"
        app:layout_constraintTop_toBottomOf="@+id/progress_bar" />

    <Button
        android:id="@+id/button_incr"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="+ 10%"
        app:layout_constraintEnd_toEndOf="@+id/progress_bar"
        app:layout_constraintTop_toBottomOf="@+id/progress_bar" />

</androidx.constraintlayout.widget.ConstraintLayout>

circle.xml

<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
    <item>
        <shape
            android:shape="ring"
            android:thicknessRatio="16"
            android:useLevel="false">
            <solid android:color="#DDD" />
        </shape>
    </item>
    <item>
        <rotate
            android:fromDegrees="270"
            android:toDegrees="270">
            <shape
                android:shape="ring"
                android:thicknessRatio="16"
                android:useLevel="true">
                <gradient
                    android:endColor="@color/colorPrimary"
                    android:startColor="@color/colorAccent"
                    android:type="sweep" />
            </shape>
        </rotate>
    </item>
</layer-list>

MainActivity.kt

package com.codinginflow.circulardeterminateprogressbar

import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import kotlinx.android.synthetic.main.activity_main.*

class MainActivity : AppCompatActivity() {
    private var progr = 0

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        updateProgressBar()

        button_incr.setOnClickListener {
            if (progr <= 90) {
                progr += 10
                updateProgressBar()
            }
        }

        button_decr.setOnClickListener {
            if (progr >= 10) {
                progr -= 10
                updateProgressBar()
            }
        }
    }

    private fun updateProgressBar() {
        progress_bar.progress = progr
        text_view_progress.text = "$progr%"
    }
}

styles.xml

<resources>
    <!-- Base application theme. -->
    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
        <!-- Customize your theme here. -->
        <item name="colorPrimary">@color/colorPrimary</item>
        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
        <item name="colorAccent">@color/colorAccent</item>
    </style>

    <style name="CircularDeterminateProgressBar">
        <item name="android:indeterminateOnly">false</item>
        <item name="android:progressDrawable">@drawable/circle</item>
    </style>

</resources>

how to make it in java

package com.codinginflow.circulardeterminateprogressbar;

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

import androidx.appcompat.app.AppCompatActivity;

public class MainActivity extends AppCompatActivity {
private int progress = 0;
private ProgressBar progressBar;
private TextView textViewProgress;
private Button buttonIncrement;
private Button buttonDecrement;

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

    progressBar = findViewById(R.id.progress_bar);
    textViewProgress = findViewById(R.id.text_view_progress);
    buttonIncrement = findViewById(R.id.button_increment);
    buttonDecrement = findViewById(R.id.button_decrement);

    updateProgressBar();

    buttonIncrement.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            if (progress <= 90) {
                progress += 10;
                updateProgressBar();
            }
        }
    });

    buttonDecrement.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            if (progress >= 10) {
                progress -= 10;
                updateProgressBar();
            }
        }
    });
}

private void updateProgressBar() {
    progressBar.setProgress(progress);
    textViewProgress.setText(progress + "%");
}

}