allprojects {
    repositories {
        maven {
            url 'https://s01.oss.sonatype.org/content/repositories/releases/'
        }
    }
}

 dependencies {
    implementation('com.gitee.chinasoft_ohos:ExpandTextView:1.0.0')
 }

 <com.hymane.expandtextview.ExpandTextView
                ohos:id="$+id:etv"
                ohos:height="match_content"
                ohos:width="match_parent"
                ohos:bottom_padding="8vp"
                ohos:contentTextColor="#de000000"
                ohos:expandHint="点击展开"
                ohos:foldHint="点击收回"
                ohos:hintTextColor="#61000000"
                ohos:left_padding="16vp"
                ohos:right_padding="16vp"
                ohos:title="标题党"
                ohos:titleTextColor="#8a000000"
                ohos:top_padding="8vp"
 />

 etv.setContent("");
        etv.setOnReadMoreListener(new OnReadMoreClickListener() {
            @Override
            public void onExpand() {
                text.setText("expand");
            }

            @Override
            public void onFold() {
                text.setText("fold");
            }
        });