package com.example.dxsdpdb; import android.os.Bundle; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.Button; import android.widget.ImageButton; import android.widget.Toast; import androidx.fragment.app.Fragment; public class IndexFragment extends Fragment { private View view = null; private Button submit_buttion,accept_button; private ImageButton market_button,losing_button,college_button; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { // Inflate the layout for this fragment if (view==null){ view= inflater.inflate(R.layout.fragment_index,container,false); submit_buttion = view.findViewById(R.id.raise_button); accept_button = view.findViewById(R.id.accept_button); market_button = view.findViewById(R.id.market_button); losing_button = view.findViewById(R.id.losing_button); college_button = view.findViewById(R.id.college_buttion); initEvents(); } return view; } private void initEvents() { View.OnClickListener onClickListener = new View.OnClickListener() { public void onClick(View v) { switch (v.getId()) { case R.id.raise_button: ; break; case R.id.accept_button: ; break; case R.id.market_button: Toast.makeText(getActivity(),"此功能暂未开放!",Toast.LENGTH_SHORT).show(); break; case R.id.losing_button: Toast.makeText(getActivity(),"此功能暂未开放!",Toast.LENGTH_SHORT).show(); break; case R.id.college_buttion: Toast.makeText(getActivity(),"此功能暂未开放!",Toast.LENGTH_SHORT).show(); break; } }}; //设置三个 Tab 的点击事件 submit_buttion.setOnClickListener(onClickListener); accept_button.setOnClickListener(onClickListener); market_button.setOnClickListener(onClickListener); losing_button.setOnClickListener(onClickListener); college_button.setOnClickListener(onClickListener); } }