android聊天功能開發，Android RatingBar 實現評星功能

2023-12-25 阅读 27 评论 0

摘要：效果圖： activity_main.xml： <RatingBarandroid:id="@+id/rgb_ping"android:layout_width="wrap_content"android:layout_height="wrap_content"android:numStars="5"android:rating="0

效果圖：
在這里插入圖片描述

activity_main.xml：

    <RatingBarandroid:id="@+id/rgb_ping"android:layout_width="wrap_content"android:layout_height="wrap_content"android:numStars="5"android:rating="0"android:stepSize="1"/>

MainActivity.java：

public class MainActivity extends AppCompatActivity {@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);RatingBar ratingBar = findViewById(R.id.rgb_ping);ratingBar.setOnRatingBarChangeListener(new RatingBar.OnRatingBarChangeListener() {@Overridepublic void onRatingChanged(RatingBar ratingBar, float rating, boolean fromUser) {Toast.makeText(MainActivity.this,"評價了"+rating+"星",Toast.LENGTH_LONG).show();}});}
}