QSPackKit/sdk/jm_haixin/res/layout/tt_browser_download_layout.xml

<?xml version="1.0" encoding="utf-8"?>
<Button xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/tt_browser_download_btn"
    android:layout_width="match_parent"
    android:layout_height="48dp"
    android:background="@drawable/tt_browser_download_selector"
    android:text="立即下载"
    android:textColor="#fff"
    android:textSize="16sp" />