activity_main.xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:circular="http://schemas.android.com/apk/res/com.lylc.widget.circularprogressbar.example"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="#3d3d3d"
    android:orientation="vertical"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context=".MainActivity" >

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

        <com.lylc.widget.circularprogressbar.example.CircularProgressBar
            android:id="@+id/circularprogressbar1"
            style="@style/Widget.ProgressBar.Holo.CircularProgressBar"
            android:layout_width="120dip"
            android:layout_height="120dip"
            android:layout_marginTop="10dip"
            circular:subtitle="subtitle"
            circular:title="Title" />

        <com.lylc.widget.circularprogressbar.example.CircularProgressBar
            android:id="@+id/circularprogressbar2"
            style="@style/Widget.ProgressBar.Holo.CircularProgressBar"
            android:layout_width="110dip"
            android:layout_height="110dip"
            android:layout_marginTop="10dip"
            circular:subtitle="subtitle"
            circular:title="Title" />
    </LinearLayout>

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

        <com.lylc.widget.circularprogressbar.example.CircularProgressBar
            android:id="@+id/circularprogressbar3"
            style="@style/Widget.ProgressBar.CircularProgressBar"
            android:layout_width="90dip"
            android:layout_height="90dip"
            android:layout_marginTop="10dip"
            circular:subtitle="subtitle"
            circular:title="Title" />

        <com.lylc.widget.circularprogressbar.example.CircularProgressBar
            android:id="@+id/circularprogressbar4"
            style="@style/Widget.ProgressBar.CircularProgressBar"
            android:layout_width="100dip"
            android:layout_height="100dip"
            android:layout_marginTop="10dip"
            circular:subtitle="subtitle"
            circular:title="Title" />
    </LinearLayout>

</LinearLayout>