安卓开源库之动画篇

心已赠人 2022-07-28 09:21 284阅读 0赞

### 本文主要介绍收集了笔者所用过的开源动画库，达到一些比较好看的效果。 ###

### 一个富有动感的 Sheet ###

### 链接： ###

[zzz40500/AndroidSweetSheet: 一个富有动感的Sheet(选择器)][zzz40500_AndroidSweetSheet_ _Sheet]

### 效果如下 ###

![这里写图片描述][20160413132555245]

### 示例代码 ###

package com.zj.testsheet;
    
    import android.os.Bundle;
    import android.support.v7.app.AppCompatActivity;
    import android.widget.RelativeLayout;
    import android.widget.Toast;
    
    import com.mingle.entity.MenuEntity;
    import com.mingle.sweetpick.BlurEffect;
    import com.mingle.sweetpick.RecyclerViewDelegate;
    import com.mingle.sweetpick.SweetSheet;
    
    import java.util.ArrayList;
    
    public class MainActivity extends AppCompatActivity {
    
        SweetSheet mSweetSheet;
        RelativeLayout rl;
        @Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_main);
            rl= (RelativeLayout) findViewById(R.id.rl);
            // SweetSheet 控件,根据 rl 确认位置
            mSweetSheet = new SweetSheet(rl);
    
    
            final ArrayList<MenuEntity> list = new ArrayList<>();
            //添加假数据
            MenuEntity menuEntity1 = new MenuEntity();
            menuEntity1.iconId = R.drawable.ic_account_child;
            //menuEntity1.titleColor = 0xff000000;
            menuEntity1.title = "code";
            MenuEntity menuEntity = new MenuEntity();
            menuEntity.iconId = R.drawable.ic_account_child;
            //menuEntity.titleColor = 0xffb3b3b3;
            menuEntity.title = "QQ";
            list.add(menuEntity1);
            list.add(menuEntity);
            list.add(menuEntity);
            list.add(menuEntity);
            list.add(menuEntity);
            list.add(menuEntity);
            list.add(menuEntity);
            list.add(menuEntity);
            list.add(menuEntity);
            list.add(menuEntity);
            list.add(menuEntity);
            list.add(menuEntity);
            list.add(menuEntity);
    
    //设置数据源 (数据源支持设置 list 数组,也支持从menu 资源中获取)
            mSweetSheet.setMenuList(list);
    
            SweetSheet mSweetSheet2 = new SweetSheet(rl);
    
            //从menu 中设置数据源
            mSweetSheet2.setMenuList(R.menu.menu_sweet);
    //根据设置不同的 Delegate 来显示不同的风格.
            mSweetSheet.setDelegate(new RecyclerViewDelegate(true));
    //根据设置不同Effect来设置背景效果:BlurEffect 模糊效果.DimEffect 变暗效果,NoneEffect 没有效果.
            mSweetSheet.setBackgroundEffect(new BlurEffect(8));
    //设置菜单点击事件
            mSweetSheet.setOnMenuItemClickListener(new SweetSheet.OnMenuItemClickListener() {
                @Override
                public boolean onItemClick(int position, MenuEntity menuEntity1) {
    
                    //根据返回值, true 会关闭 SweetSheet ,false 则不会.
                    Toast.makeText(MainActivity.this, menuEntity1.title + "  " + position, Toast.LENGTH_SHORT).show();
                    return true;
                }
            });
    
            mSweetSheet.show();
        }
    }

### A fluent Android animation library。安卓动画库 ###

主要包括一些进度条效果

### 链接： ###

[gzu-liyujiang/ViewAnimator: A fluent Android animation library。安卓动画库，加入了一些不错的动画，如：fall、shake、flash、fadeIn、rollOut……支持任意路径动画（示例动画为不断冒出来的桃心及飘雪），支持按SVG格式的path运动。部分已合并到原作者florent37的主分支][gzu-liyujiang_ViewAnimator_ A fluent Android animation library_fall_shake_flash_fadeIn_rollOut_SVG_path_florent37]

### 效果如下 ###

![这里写图片描述][20160413132910547]

### 示例代码 ###

private void animateParallel() {
            ViewAnimator.animate(mountain, image)
                    .dp().translationY(-1000, 0)
                    .alpha(0, 1)
    
                    .andAnimate(percent)
                    .scale(0, 1)
    
                    .andAnimate(text)
                    .dp().translationY(1000, 0)
                    .textColor(Color.BLACK, Color.WHITE)
                    .backgroundColor(Color.WHITE, Color.BLACK)
    
                    .waitForHeight()
                    .interpolator(new AccelerateDecelerateInterpolator())
                    .duration(1000)
    
                    .thenAnimate(percent)
                    .custom(new AnimationListener.Update<TextView>() {
                        @Override
                        public void update(TextView view, float value) {
                            value = value * 100;
                            view.setText(String.format(Locale.US, "%.0f%%", value));
                        }
                    }, 0, 1)
    
                    .andAnimate(image)
                    .rotation(0, 360)
                    .onStop(new AnimationListener.Stop() {
                        @Override
                        public void onStop() {
                            Intent intent = new Intent(StartActivity.this, MainActivity.class);
                            startActivity(intent);
                        }
                    })
    
                    .duration(1000)
    
    
    
                    .start();
    }

### recycleView动画效果 ###

### 链接： ###

[gabrielemariotti/RecyclerViewItemAnimators: An Android library which provides simple Item animations to RecyclerView items][gabrielemariotti_RecyclerViewItemAnimators_ An Android library which provides simple Item animations to RecyclerView items]

### 效果如下： ###

![这里写图片描述][20160413134947958]

### 示例代码 ###

`recyclerView= (RecyclerView) findViewById(R.id.id_recyclerview); recyclerView.setLayoutManager(new GridLayoutManager(this, 4)); mAdapter=new HomeAdapter(); slideInBottomAnimatorAdapter=new SlideInBottomAnimatorAdapter(mAdapter,recyclerView); recyclerView.setAdapter(slideInBottomAnimatorAdapter);`

[zzz40500_AndroidSweetSheet_ _Sheet]: https://github.com/zzz40500/AndroidSweetSheet
[20160413132555245]: /images/20220724/ad5d7f9e2ad544aba724d53378b6c8ed.png
[gzu-liyujiang_ViewAnimator_ A fluent Android animation library_fall_shake_flash_fadeIn_rollOut_SVG_path_florent37]: https://github.com/gzu-liyujiang/ViewAnimator
[20160413132910547]: /images/20220724/370f85ca03604643b134c7fa328df705.png
[gabrielemariotti_RecyclerViewItemAnimators_ An Android library which provides simple Item animations to RecyclerView items]: https://github.com/gabrielemariotti/RecyclerViewItemAnimators
[20160413134947958]: /images/20220724/6a676c2c6348496ea0d8e63d6364d873.png