標籤:android style blog http color io os 使用 java
1.
2.代碼
main.xml
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/LL" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" > <RatingBar android:id="@+id/ratingBar1" android:layout_width="wrap_content" android:layout_height="wrap_content" > </RatingBar></LinearLayout>
firstActivity.java
final RatingBar mRating = (RatingBar) findViewById(R.id.ratingBar1); // 擷取對象 mRating.setMax(100); // 設定最大值 mRating.setNumStars(5); // 設定星型數量 mRating.setStepSize((float) 0.5); // 設定步長 mRating.setRating((float) 3.5); mRating.setOnRatingBarChangeListener(new OnRatingBarChangeListener() { @Override public void onRatingChanged(RatingBar ratingBar, float rating, boolean fromUser) { // TODO Auto-generated method stub a = mRating.getRating();// 設定當前分數 Toast.makeText(firstActivity.this, "當前的分數為:" + a * 20, Toast.LENGTH_SHORT).show(); } });
Android --RatingBar的使用