使用系统ProgressBar实现三色进度条

//布局中

&lt;ProgressBar
            android:layout_width="0dp"
            android:layout_height="8dp"
            android:layout_marginLeft="16dp"
            app:layout_constraintBottom_toBottomOf="@id/photo"
            app:layout_constraintLeft_toRightOf="@id/photo"
            app:layout_constraintRight_toRightOf="parent"
            android:max="100"
            android:min="0"
            android:progress="10"
            android:progressTint="@color/color_FF71D4F8"
            style="@style/CustomProgressBarStyle"
            android:secondaryProgressTint="@color/color_FF3F66F2"
            android:secondaryProgress="50"/>


//style 样式
 <style name="CustomProgressBarStyle" parent="Widget.AppCompat.ProgressBar.Horizontal">
        <item name="android:progressDrawable">@drawable/bg_process</item>
 </style>

drawable:bg_process.xml

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

    <item android:id="@android:id/background">
        <shape>
            <corners android:radius="4dp" />
            <solid android:color="@color/color_FFC9CBDF" />
        </shape>
    </item>

    <item android:id="@android:id/secondaryProgress">
        <clip>
            <shape>
                <corners android:radius="5dip" />

            </shape>
        </clip>
    </item>

    <item android:id="@android:id/progress">
        <clip>
            <shape>
                <corners android:radius="5dip" />

            </shape>
        </clip>
    </item>

</layer-list>