今日共同报告 |
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今日共同报告
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今日共同报告-13 今天时间比较充沛，学了许多东西，主要是fragment传参，同时把底部导航栏完成了。 目前进度的页面展示： 能够实现点击切换和选中的选项颜色变化
部分代码： package com.example.dataapplication; import androidx.appcompat.app.AppCompatActivity; import androidx.fragment.app.FragmentManager; import androidx.fragment.app.FragmentTransaction; import android.os.Bundle; import android.text.TextUtils; import android.view.View; import android.widget.ImageView; import android.widget.LinearLayout; import android.widget.TextView; import com.example.dataapplication.fragment.SearchFragment; public class MenuActivity extends AppCompatActivity implements View.OnClickListener{ private LinearLayout lSearch,lSubway,lMap; private ImageView ivHome,ivFind,ivMine; private TextView tvHome,tvFind,tvMine; FragmentManager fragmentManager; FragmentTransaction fragmentTransaction; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_menu); initView(); initEvent(); } private void initEvent() { fragmentManager = getSupportFragmentManager(); fragmentTransaction = fragmentManager.beginTransaction(); SearchFragment fragment = SearchFragment.newInstance("这是搜索页面",""); fragmentTransaction.replace(R.id.menu_frag,fragment).commit(); lSearch.setOnClickListener(this); lSubway.setOnClickListener(this); lMap.setOnClickListener(this); } private void initView() { lSearch = findViewById(R.id.menu_ll_1); lSubway = findViewById(R.id.menu_ll_2); lMap = findViewById(R.id.menu_ll_3); ivHome = findViewById(R.id.menu_iv_1); ivFind = findViewById(R.id.menu_iv_2); ivMine = findViewById(R.id.menu_iv_3); tvHome = findViewById(R.id.menu_tv_1); tvFind = findViewById(R.id.menu_tv_1); tvMine = findViewById(R.id.menu_tv_1); } public void resetButton(){ ivHome.setSelected(false); ivFind.setSelected(false); ivMine.setSelected(false); } @Override public void onClick(View view) { int id = view.getId(); switch (id){ case R.id.menu_ll_1: fragmentManager = getSupportFragmentManager(); fragmentTransaction = fragmentManager.beginTransaction(); SearchFragment fragment1 = SearchFragment.newInstance("这是搜索页面",""); fragmentTransaction.replace(R.id.menu_frag,fragment1).commit(); resetButton(); ivHome.setSelected(true); break; case R.id.menu_ll_2: fragmentManager = getSupportFragmentManager(); fragmentTransaction = fragmentManager.beginTransaction(); SearchFragment fragment2 = SearchFragment.newInstance("这是站点页面",""); fragmentTransaction.replace(R.id.menu_frag,fragment2).commit(); resetButton(); ivFind.setSelected(true); break; case R.id.menu_ll_3: fragmentManager = getSupportFragmentManager(); fragmentTransaction = fragmentManager.beginTransaction(); SearchFragment fragment3 = SearchFragment.newInstance("这是地图页面",""); fragmentTransaction.replace(R.id.menu_frag,fragment3).commit(); resetButton(); ivMine.setSelected(true); break; } } }package com.example.dataapplication.fragment; import android.os.Bundle; import androidx.annotation.NonNull; import androidx.annotation.Nullable; import androidx.fragment.app.Fragment; import android.text.TextUtils; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.TextView; import com.example.dataapplication.R; public class SearchFragment extends Fragment { private static final String ARG_PARAM1 = "param1"; private static final String ARG_PARAM2 = "param2"; private String mParam1,mParam2; private TextView tvContent1; public SearchFragment() { } public static SearchFragment newInstance(String param1, String param2) { SearchFragment fragment = new SearchFragment(); Bundle args = new Bundle(); args.putString(ARG_PARAM1, param1); args.putString(ARG_PARAM2, param2); fragment.setArguments(args); return fragment; } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); if (getArguments() != null) { mParam1 = getArguments().getString(ARG_PARAM1); mParam2 = getArguments().getString(ARG_PARAM2); } } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { return inflater.inflate(R.layout.fragment_search, container, false); } @Override public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) { super.onViewCreated(view, savedInstanceState); tvContent1 = view.findViewById(R.id.menu_search_frag_1); if (!TextUtils.isEmpty(mParam1)){ tvContent1.setText(mParam1); } } }
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