MainActivity.java 5.2 KB
Newer Older
C
chaychan 已提交
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142
package com.chaychan.bottombarlayout;

import android.os.Bundle;
import android.os.Handler;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentStatePagerAdapter;
import android.support.v4.view.ViewPager;
import android.view.animation.Animation;
import android.view.animation.RotateAnimation;
import android.widget.ImageView;

import com.chaychan.library.BottomBarItem;
import com.chaychan.library.BottomBarLayout;

import java.util.ArrayList;
import java.util.List;

public class MainActivity extends FragmentActivity {

    private ViewPager mVpContent;
    private BottomBarLayout mBottomBarLayout;

    private List<TabFragment> mFragmentList = new ArrayList<>();
    private RotateAnimation mRotateAnimation;
    private Handler mHandler = new Handler();

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        initView();
        initData();
        initListener();
    }

    private void initView() {
        mVpContent = (ViewPager) findViewById(R.id.vp_content);
        mBottomBarLayout = (BottomBarLayout) findViewById(R.id.bbl);
    }

    private void initData() {

        TabFragment homeFragment = new TabFragment();
        Bundle bundle1 = new Bundle();
        bundle1.putString(TabFragment.CONTENT,"首页");
        homeFragment.setArguments(bundle1);
        mFragmentList.add(homeFragment);

        TabFragment videoFragment = new TabFragment();
        Bundle bundle2 = new Bundle();
        bundle2.putString(TabFragment.CONTENT,"视频");
        videoFragment.setArguments(bundle2);
        mFragmentList.add(videoFragment);

        TabFragment microFragment = new TabFragment();
        Bundle bundle3 = new Bundle();
        bundle3.putString(TabFragment.CONTENT,"微头条");
        microFragment.setArguments(bundle3);
        mFragmentList.add(microFragment);

        TabFragment meFragment = new TabFragment();
        Bundle bundle4 = new Bundle();
        bundle4.putString(TabFragment.CONTENT,"我的");
        meFragment.setArguments(bundle4);
        mFragmentList.add(meFragment);
    }

    private void initListener() {
        mVpContent.setAdapter(new MyAdapter(getSupportFragmentManager()));
        mBottomBarLayout.setViewPager(mVpContent);
        mBottomBarLayout.setOnItemSelectedListener(new BottomBarLayout.OnItemSelectedListener() {
            @Override
            public void onItemSelected(final BottomBarItem bottomBarItem, int position) {
                if (position == 0){
                    //如果是第一个,即首页
                    if (mBottomBarLayout.getCurrentItem() == position){
                        //如果是在原来位置上点击,更换首页图标并播放旋转动画
                        bottomBarItem.setIconSelectedResourceId(R.mipmap.tab_loading);//更换成加载图标
                        bottomBarItem.setStatus(true);

                        //播放旋转动画
                        if (mRotateAnimation == null) {
                            mRotateAnimation = new RotateAnimation(0, 360,
                                    Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF,
                                    0.5f);
                            mRotateAnimation.setDuration(800);
                            mRotateAnimation.setRepeatCount(-1);
                        }
                        ImageView bottomImageView = bottomBarItem.getImageView();
                        bottomImageView.setAnimation(mRotateAnimation);
                        bottomImageView.startAnimation(mRotateAnimation);//播放旋转动画

                        //模拟数据刷新完毕
                        mHandler.postDelayed(new Runnable() {
                            @Override
                            public void run() {
                                bottomBarItem.setIconSelectedResourceId(R.mipmap.tab_home_selected);//更换成首页原来图标
                                bottomBarItem.setStatus(true);//刷新图标
                                cancelTabLoading(bottomBarItem);
                            }
                        },3000);
                        return;
                    }
                }

                //如果点击了其他条目
                BottomBarItem bottomItem = mBottomBarLayout.getBottomItem(0);
                bottomItem.setIconSelectedResourceId(R.mipmap.tab_home_selected);//更换为原来的图标

                cancelTabLoading(bottomItem);//停止旋转动画
            }
        });
    }

    /**停止首页页签的旋转动画*/
    private void cancelTabLoading(BottomBarItem bottomItem) {
        Animation animation = bottomItem.getImageView().getAnimation();
        if (animation != null){
            animation.cancel();
        }
    }

    class MyAdapter extends FragmentStatePagerAdapter {

        public MyAdapter(FragmentManager fm) {
            super(fm);
        }

        @Override
        public Fragment getItem(int position) {
            return mFragmentList.get(position);
        }

        @Override
        public int getCount() {
            return mFragmentList.size();
        }
    }
}