两种方法实现卫星式菜单
16lz
2021-01-26
Animator属性动画
主函数
import android.animation.AnimatorSet;import android.animation.ObjectAnimator;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.view.View;import android.view.animation.BounceInterpolator;import android.widget.ImageView;import java.util.ArrayList;import java.util.List;public class MainActivity extends AppCompatActivity implements View.OnClickListener { private Button button; //判断是否弹出 private boolean flag = true; //设置卫星菜单半径 private int radius = 500; //定义菜单图标 private int[] res = new int[]{ R.id.id_img_a,R.id.id_img_b,R.id.id_img_c,R.id.id_img_d,R.id.id_img_e,R.id.id_img_f,R.id.id_img_g,R.id.id_img_h }; //定义菜单列表 private List list = new ArrayList(); @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); //初始化菜单图标 for (int i = 0; i < res.length; i++) { ImageView imageView = (ImageView) findViewById(res[i]); imageView.setOnClickListener(this); list.add(imageView); } } /** * 设置菜单点击事件 * @param view */ @Override public void onClick(View view) { switch (view.getId()) { case R.id.id_img_a: if (flag) { startAnim(); flag = false; } else { closeAnim(); flag = true; } break; case R.id.id_img_b: break; case R.id.id_img_c: break; case R.id.id_img_d: break; case R.id.id_img_e: break; case R.id.id_img_f: break; case R.id.id_img_g: break; case R.id.id_img_h: break; } } /** * 关闭菜单 */ private void closeAnim() { for (int i = 1; i < res.length; i++) { ObjectAnimator animator1 = ObjectAnimator.ofFloat(list.get(i), "translationX", (float)(radius*Math.cos((i-1)*Math.PI/12)), 0F); ObjectAnimator animator2 = ObjectAnimator.ofFloat(list.get(i), "translationY", (float)(radius*Math.sin((i-1)*Math.PI/12)), 0F); AnimatorSet set = new AnimatorSet(); set.playTogether(animator1, animator2); set.setDuration(500); set.start(); } } /** * 弹出菜单 */ private void startAnim() { for (int i = 1; i < res.length; i++) { //设置x方向位移 ObjectAnimator animator1 = ObjectAnimator.ofFloat(list.get(i), "translationX", 0F, (float)(radius*Math.cos((i-1)*Math.PI/12))); //设置y方向位移 ObjectAnimator animator2 = ObjectAnimator.ofFloat(list.get(i), "translationY", 0F, (float)(radius*Math.sin((i-1)*Math.PI/12))); //初始化动画集合 AnimatorSet set = new AnimatorSet(); set.playTogether(animator1, animator2); set.setDuration(500); set.setInterpolator(new BounceInterpolator()); set.start(); } }} 布局文件
<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.hpf.animatordemo.MainActivity"> <ImageView android:id="@+id/id_img_b" android:layout_width="wrap_content" android:layout_height="wrap_content" android:paddingLeft="7dp" android:paddingTop="7dp" android:src="@mipmap/b"/> <ImageView android:id="@+id/id_img_c" android:layout_width="wrap_content" android:layout_height="wrap_content" android:paddingLeft="7dp" android:paddingTop="7dp" android:src="@mipmap/c"/> <ImageView android:id="@+id/id_img_d" android:layout_width="wrap_content" android:layout_height="wrap_content" android:paddingLeft="7dp" android:paddingTop="7dp" android:src="@mipmap/d"/> <ImageView android:id="@+id/id_img_e" android:layout_width="wrap_content" android:layout_height="wrap_content" android:paddingLeft="7dp" android:paddingTop="7dp" android:src="@mipmap/e"/> <ImageView android:id="@+id/id_img_f" android:layout_width="wrap_content" android:layout_height="wrap_content" android:paddingLeft="7dp" android:paddingTop="7dp" android:src="@mipmap/f"/> <ImageView android:id="@+id/id_img_g" android:layout_width="wrap_content" android:layout_height="wrap_content" android:paddingLeft="7dp" android:paddingTop="7dp" android:src="@mipmap/g"/> <ImageView android:id="@+id/id_img_h" android:layout_width="wrap_content" android:layout_height="wrap_content" android:paddingLeft="7dp" android:paddingTop="7dp" android:src="@mipmap/h"/> <ImageView android:id="@+id/id_img_a" android:layout_width="wrap_content" android:layout_height="wrap_content" android:paddingLeft="5dp" android:paddingTop="5dp" android:src="@mipmap/a"/>FrameLayout>Animation补间动画
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