最近试着做了个AndroID 带有d出收缩动画的扇形菜单,留个笔记记录一下。@H_301_1@
效果如下
public class MainActivity extends AppCompatActivity implements VIEw.OnClickListener { private ImageVIEw imgPublish; private TextVIEw textVIEw1; private TextVIEw textVIEw2; private boolean isMenuOpen = false; private List<TextVIEw> textVIEws = new ArrayList<>(); @OverrIDe protected voID onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentVIEw(R.layout.activity_main); imgPublish = (ImageVIEw) findVIEwByID(R.ID.img_publish); textVIEw1 = (TextVIEw) findVIEwByID(R.ID.tv_1); textVIEw2 = (TextVIEw) findVIEwByID(R.ID.tv_2); textVIEws.add(textVIEw1); textVIEws.add(textVIEw2); imgPublish.setonClickListener(this); } @OverrIDe public voID onClick(VIEw v) { switch (v.getID()) { case R.ID.img_publish: if (!isMenuOpen) { showOpenAnim(80); imgPublish.setimageResource(R.mipmap.publish_select); }else { showCloseAnim(80); imgPublish.setimageResource(R.mipmap.fabu); } break; } } //打开扇形菜单的属性动画, dp为半径长度 private voID showOpenAnim(int dp) { textVIEw1.setVisibility(VIEw.VISIBLE); textVIEw2.setVisibility(VIEw.VISIBLE); //for循环来开始小图标的出现动画 for (int i = 0; i < textVIEws.size(); i++) { AnimatorSet set = new AnimatorSet(); //标题1与x轴负方向角度为20°,标题2为100°,转换为弧度 double a = -Math.cos(20 * Math.PI / 180 * (i * 2 + 1)); double b = -Math.sin(20 * Math.PI / 180 * (i * 2 + 1)); double x = a * dip2px(dp); double y = b * dip2px(dp); set.playTogether( ObjectAnimator.offloat(textVIEws.get(i),"translationX",(float) (x * 0.25),(float) x),ObjectAnimator.offloat(textVIEws.get(i),"translationY",(float) (y * 0.25),(float) y),"Alpha",1).setDuration(2000) ); set.setInterpolator(new BounceInterpolator()); set.setDuration(500).setStartDelay(100); set.start(); set.addListener(new Animator.AnimatorListener() { @OverrIDe public voID onAnimationStart(Animator animation) { } @OverrIDe public voID onAnimationEnd(Animator animation) { //菜单状态置打开 isMenuOpen = true; } @OverrIDe public voID onAnimationCancel(Animator animation) { } @OverrIDe public voID onAnimationRepeat(Animator animation) { } }); } //转动加号大图标本身45° ObjectAnimator rotate = ObjectAnimator.offloat(imgPublish,"rotation",90).setDuration(300); rotate.setInterpolator(new BounceInterpolator()); rotate.start(); } //关闭扇形菜单的属性动画,参数与打开时相反 private voID showCloseAnim(int dp) { //for循环来开始小图标的出现动画 for (int i = 0; i < textVIEws.size(); i++) { AnimatorSet set = new AnimatorSet(); double a = -Math.cos(20 * Math.PI / 180 * (i * 2 + 1)); double b = -Math.sin(20 * Math.PI / 180 * (i * 2 + 1)); double x = a * dip2px(dp); double y = b * dip2px(dp); set.playTogether( ObjectAnimator.offloat(textVIEws.get(i),(float) x,(float) (x * 0.25)),(float) y,(float) (y * 0.25)),1,0).setDuration(2000) );// set.setInterpolator(new AccelerateInterpolator()); set.setDuration(500); set.start(); set.addListener(new Animator.AnimatorListener() { @OverrIDe public voID onAnimationStart(Animator animation) { } @OverrIDe public voID onAnimationEnd(Animator animation) { textVIEw1.setVisibility(VIEw.GONE); textVIEw2.setVisibility(VIEw.GONE); //菜单状态置关闭 isMenuOpen = false; } @OverrIDe public voID onAnimationCancel(Animator animation) { } @OverrIDe public voID onAnimationRepeat(Animator animation) { } }); } //转动加号大图标本身45° ObjectAnimator rotate = ObjectAnimator.offloat(imgPublish,90).setDuration(300); rotate.setInterpolator(new BounceInterpolator()); rotate.start(); } private int dip2px(int value) { float density = getResources() .getdisplayMetrics().density; return (int) (density * value + 0.5f); }}
布局文件
<?xml version="1.0" enCoding="utf-8"?> <FrameLayout xmlns:androID="http://schemas.androID.com/apk/res/androID" xmlns:tools="http://schemas.androID.com/tools" androID:layout_wIDth="match_parent" androID:layout_height="match_parent" tools:context="com.example.lina.animationapplication.MainActivity"> <TextVIEw androID:ID="@+ID/tv_1" androID:layout_wIDth="40dp" androID:layout_height="40dp" androID:layout_gravity="bottom|end" androID:layout_marginBottom="40dp" androID:layout_marginRight="40dp" androID:gravity="center" androID:text="标题1" androID:textcolor="#ffffff" androID:visibility="gone" androID:background="@drawable/circle_purple" /> <TextVIEw androID:ID="@+ID/tv_2" androID:layout_wIDth="40dp" androID:layout_height="40dp" androID:layout_gravity="bottom|end" androID:layout_marginBottom="40dp" androID:layout_marginRight="40dp" androID:gravity="center" androID:text="标题2" androID:textcolor="#ffffff" androID:visibility="gone" androID:background="@drawable/circle_orange"/> <ImageVIEw androID:ID="@+ID/img_publish" androID:layout_wIDth="60dp" androID:layout_height="60dp" androID:layout_gravity="bottom|end" androID:layout_marginBottom="35dp" androID:layout_marginRight="35dp" androID:src="@mipmap/fabu" /> </FrameLayout>
circle_purple.xml
<?xml version="1.0" enCoding="utf-8"?><shape xmlns:androID="http://schemas.androID.com/apk/res/androID" androID:shape="oval"> <solID androID:color="#5d2a89" /></shape>
参考@H_301_1@
Android开罐头―――快速打造扇形卫星菜单
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