Android TextView实现跑马灯

<TextView
    android:id="@+id/marqueeTextView"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:text="这是一个跑马灯效果的示例文本。"
    android:singleLine="true"
    android:ellipsize="marquee"
    android:focusable="true"
    android:focusableInTouchMode="true"
    android:marqueeRepeatLimit="marquee_forever"
    android:scrollHorizontally="true"/>

public class MainActivity extends AppCompatActivity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        TextView marqueeTextView = findViewById(R.id.marqueeTextView);
        marqueeTextView.setSelected(true); // 确保文本滚动
    }
}