ProgressBar

<ProgressBar
        android:id="@+id/pb_dialog_progress"
        style="?android:attr/progressBarStyleHorizontal"
        android:layout_width="@dimen/dialog_root_width"
        android:layout_height="20dp"
        android:background="@color/bg_progressbar_function_gray"
        android:max="100"
        android:progress="50"
        android:progressDrawable="@drawable/progressbar_blue_layer" />

<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android" >

    <item android:id="@android:id/progress">
        <clip>
            <shape>
                <solid android:color="@color/bg_progressbar_blue" />
            </shape>
        </clip>
    </item>
    <item android:id="@android:id/secondaryProgress">
        <clip>
            <shape>
                <solid android:color="@color/bg_progressbar_blue2" />
            </shape>
        </clip>
    </item>

</layer-list>