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TodayNews

洪雅健
2023-12-01
@ContentView(R.layout.activity_main)
public class MainActivity extends AppCompatActivity implements View.OnClickListener{
    @ViewInject(R.id.hsv_title)
    private HorizontalScrollView hsvTitle;
    @ViewInject(R.id.ll_title)
    private LinearLayout llTitle;
    @ViewInject(R.id.vp_content)
    private ViewPager vpContent;
    @ViewInject(R.id.btn_main_login)
    private ImageView btnLogin;

    private List<String> titles;
    private SlidingMenu mMenu;
    //private List<Fragment> fragments;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        x.view().inject(this);

        getSlidingMenu();


        initData();

        addTitleAndFragment();

        vpContent.setAdapter(new FragmentPagerAdapter(getSupportFragmentManager()) {
            @Override
            public Fragment getItem(int position) {
                return ContentFragment.newInstance(titles.get(position));
            }

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

        vpContent.addOnPageChangeListener(new ViewPager.OnPageChangeListener() {
            @Override
            public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
                if (position == 0){
                    mMenu.setTouchModeAbove(SlidingMenu.TOUCHMODE_FULLSCREEN);
                }else {
                    mMenu.setTouchModeAbove(SlidingMenu.TOUCHMODE_NONE);
                }

            }

            @Override
            public void onPageSelected(int position) {
                changeTextColor(position);

                int margins = 20 * position;
                int widthTotle = 0;

                for (int j = 0;j < position;j++){
                    TextView txtV = (TextView) llTitle.getChildAt(j);
                    widthTotle += txtV.getWidth();
                }
                hsvTitle.scrollTo((margins + widthTotle),0);

            }

            @Override
            public void onPageScrollStateChanged(int state) {

            }
        });
    }

    private void getSlidingMenu() {
        //初始化SlidingMenu
        mMenu = new SlidingMenu(this);
        mMenu.setMode(SlidingMenu.LEFT);

        mMenu.setTouchModeAbove(SlidingMenu.TOUCHMODE_FULLSCREEN);
        mMenu.setShadowDrawable(R.color.colorAccent);
        mMenu.setShadowWidth(R.dimen.shadow_width);
        mMenu.setBehindOffsetRes(R.dimen.slidingmenu_offset);

        mMenu.setFadeDegree(0.35f);
        mMenu.attachToActivity(this,SlidingMenu.SLIDING_CONTENT);
        mMenu.setMenu(R.layout.left_menu);

    }

    private void changeTextColor(int position) {
        for (int i = 0;i < titles.size();i++){
            TextView txtview = (TextView) llTitle.getChildAt(i);

            if (position == i){
               txtview.setTextColor(Color.RED);
            }else {
                txtview.setTextColor(Color.BLACK);
            }
        }
    }

    private void addTitleAndFragment() {
        for (int i = 0;i < titles.size();i++){
            TextView txt = new TextView(this);
            txt.setText(titles.get(i));
            txt.setTextSize(14);
            if (i == 0){
                txt.setTextColor(Color.RED);
            }else {
                txt.setTextColor(Color.BLACK);
            }

            txt.setId(i + 1000);
            txt.setOnClickListener(MainActivity.this);

            LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT,
                    ViewGroup.LayoutParams.WRAP_CONTENT);

            params.setMargins(10,5,10,5);

            txt.setLayoutParams(params);
            llTitle.addView(txt);

//            Fragment fragment = ContentFragment.newInstance(titles.get(i));
//            fragments.add(fragment);
        }

    }

    private void initData() {
        titles = new ArrayList<>();
//        fragments = new ArrayList<>();
        titles.add("推荐");
        titles.add("热点");
        titles.add("北京");
        titles.add("视频");
        titles.add("社会");
        titles.add("娱乐");
        titles.add("科技");
        titles.add("问答");
        titles.add("汽车");
        titles.add("财经");
        titles.add("军事");
        titles.add("体育");
        titles.add("段子");
        titles.add("美女");
        titles.add("国际");
        titles.add("趣图");
        titles.add("健康");
        titles.add("特卖");
        titles.add("房产");
        titles.add("育儿");
    }

    @Override
    public void onClick(View v) {
        int id = v.getId();
        // 拿到textview的position
        int position = id - 1000;
        vpContent.setCurrentItem(position);

        // 点击变色
        changeTextColor(position);
    }
    @Event(R.id.btn_main_login)
    public void btnLoginClcik(View v){
        Intent intent = new Intent(this,LoginActivity.class);
        startActivity(intent);
    }
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