<ProgressBar
        android:id="@+id/progressBar"
        android:layout_width="100dp"
        android:layout_height="100dp"
        android:layout_marginStart="124dp"
        android:layout_marginTop="224dp"
        app:layout_constraintStart_toStartOf="@+id/progressBar2"
        app:layout_constraintTop_toTopOf="@+id/progressBar2" />

    <Button
        android:id="@+id/button"
        android:layout_width="170dp"
        android:layout_height="0dp"
        android:layout_marginTop="143dp"
        android:layout_marginBottom="151dp"
        android:onClick="LdoClick"
        android:text="点击"
        app:layout_constraintBottom_toTopOf="@+id/button2"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <ProgressBar
        android:id="@+id/progressBar2"
        style="?android:attr/progressBarStyleHorizontal"
        android:layout_width="330dp"
        android:layout_height="wrap_content"
        android:max="100"
        android:progress="50"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <Button
        android:id="@+id/button2"
        android:layout_width="170dp"
        android:layout_height="0dp"
        android:layout_marginEnd="102dp"
        android:layout_marginBottom="201dp"
        android:onClick="RdoClick"
        android:text="开始"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/button" />

两个按键，分别代表进度条的显示和转圈

主函数调用

        Button button = findViewById(R.id.button);
        Button button2 = findViewById(R.id.button2);

        progressBar  = findViewById(R.id.progressBar);
        progressBar2  = findViewById(R.id.progressBar2);

    }

    public void LdoClick(View view) {
        if (progressBar.getVisibility() == View.GONE) {
            progressBar.setVisibility(View.VISIBLE);
        } else {
            progressBar.setVisibility(View.GONE);
        }
    }

    public void RdoClick(View view) {
   count = progressBar2.getProgress();
        if (  count< 100) {
            count += 10;
            progressBar2.setProgress(count);
        }
        else
        {
            progressBar2.setProgress(0);
        }
    }