package com.application.zhangshi_app_android.ui.main;
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import android.view.MenuItem;
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import androidx.annotation.NonNull;
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import androidx.viewpager2.widget.ViewPager2;
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import com.android.app_base.base.adapter.BaseVp2FragmentAdapter;
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import com.android.app_base.base.view.BaseActivity;
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import com.android.app_base.base.view.BaseFragment;
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import com.android.app_base.helper.DoubleClickHelper;
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import com.android.app_base.manager.AppManager;
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import com.application.zhangshi_app_android.BR;
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import com.application.zhangshi_app_android.R;
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import com.application.zhangshi_app_android.databinding.ActivityMainBinding;
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import com.application.zhangshi_app_android.ui.function.FunctionFragment;
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import com.application.zhangshi_app_android.ui.home.HomeFragment;
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import com.application.zhangshi_app_android.ui.personal_center.PersonalCenterFragment;
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import com.blankj.utilcode.util.ToastUtils;
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import com.google.android.material.navigation.NavigationBarView;
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/**
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* @author Ljj
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* @date 2023.3.15
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* @desc app主页
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*/
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public class MainActivity extends BaseActivity<ActivityMainBinding, MainViewModel> {
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@Override
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public int getLayoutId() {
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return R.layout.activity_main;
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}
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@Override
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public int getVariableId() {
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return BR.viewModel;
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}
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@Override
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public void initParam() {
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}
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@Override
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public void initView() {
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BaseVp2FragmentAdapter<BaseFragment> mPagerAdapter = new BaseVp2FragmentAdapter<>(this);
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mPagerAdapter.addFragment(HomeFragment.newInstance());
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mPagerAdapter.addFragment(FunctionFragment.newInstance());
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mPagerAdapter.addFragment(PersonalCenterFragment.newInstance());
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binding.mainVp.setAdapter(mPagerAdapter);
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binding.mainVp.registerOnPageChangeCallback(new ViewPager2.OnPageChangeCallback() {
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@Override
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public void onPageSelected(int position) {
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binding.mainBnv.setSelectedItemId(binding.mainBnv.getMenu().getItem(position).getItemId());
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super.onPageSelected(position);
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}
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});
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binding.mainVp.setUserInputEnabled(false);
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// 不使用图标默认变色
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binding.mainBnv.setItemIconTintList(null);
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binding.mainBnv.setOnItemSelectedListener(new NavigationBarView.OnItemSelectedListener() {
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@Override
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public boolean onNavigationItemSelected(@NonNull MenuItem item) {
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switch (item.getItemId()) {
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case R.id.navigation_home:
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binding.mainVp.setCurrentItem(0);
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return true;
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case R.id.navigation_function:
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binding.mainVp.setCurrentItem(1);
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return true;
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case R.id.navigation_personal_center:
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binding.mainVp.setCurrentItem(2);
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return true;
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default:
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break;
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}
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return false;
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}
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});
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}
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@Override
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public void initData() {
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}
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@Override
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public void initLiveDataObserve() {
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}
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@Override
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protected void onDestroy() {
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binding.mainVp.setAdapter(null);
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binding.mainBnv.setOnItemSelectedListener(null);
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super.onDestroy();
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}
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@Override
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public void onBackPressed() {
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if (DoubleClickHelper.isOnDoubleClick()) {
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moveTaskToBack(false);
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// 进行内存优化，销毁掉所有的界面
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AppManager.getAppManager().finishAllActivity();
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} else {
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ToastUtils.showShort("再按一次退出");
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}
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}
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}
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