团队冲刺06

团队冲刺06

今天遇到了很多的问题，有的通过查资料已经解决了，但是主要的还没有解决，太难了

成果展示：

package fragment;

import android.app.Fragment;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import com.example.animator.knowledge_circle.R;

/**
 * Created by animator on 2020/4/5.
 */
public class ConditionFragment extends Fragment {
    @Nullable
    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.fragment_by_condition,null);
        return view;
    }
}

package fragment;

import android.app.Fragment;
import android.app.FragmentManager;
import android.app.FragmentTransaction;
import android.graphics.Color;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.LinearLayout;

import com.example.animator.knowledge_circle.R;

/**
 * Created by animator on 2020/4/5.
 */
public class MessageFragment extends Fragment {
    LinearLayout l1,l2;
    View down1,down2;
    @Nullable
    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.fragment_message,null);
        Fragment fragment = new ConditionFragment();
        FragmentTransaction fragmentTransaction = getFragmentManager().beginTransaction();
        fragmentTransaction.add(R.id.fragment_dy_condition, fragment);
        fragmentTransaction.commit();
        l1 = (LinearLayout) view.findViewById(R.id.message_l1);
        l2 = (LinearLayout) view.findViewById(R.id.message_l2);
        down1 = view.findViewById(R.id.message_down1);
        down2 = view.findViewById(R.id.message_down2);
        down1.setBackgroundColor(Color.parseColor("#f43a68"));
        l1.setOnClickListener(l);
        l2.setOnClickListener(l);
        return view;
    }

    View.OnClickListener l = new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            FragmentManager fm = getFragmentManager();
            FragmentTransaction ft = fm.beginTransaction();//开启事务
            Fragment f = null;
            switch (view.getId()) {
                case R.id.message_l1:
                    f = new ConditionFragment();
                    ft.replace(R.id.fragment_dy_condition, f);
                    ft.commit();
                    down1.setBackgroundColor(Color.parseColor("#f43a68"));
                    down2.setBackgroundColor(Color.parseColor("#f4f4f4"));
                    break;
                case R.id.message_l2:
                    f = new InfoFragment();
                    ft.replace(R.id.fragment_dy_condition, f);
                    ft.commit();
                    down1.setBackgroundColor(Color.parseColor("#f4f4f4"));
                    down2.setBackgroundColor(Color.parseColor("#f43a68"));
                    break;
            }
        }
    };
}

截图：