体温填报APP--主界面设计

主界面包括上述的功能选项

同时向用户提示你的当前用户信息

package com.example.tiwen20;

import androidx.appcompat.app.AppCompatActivity;
import android.content.Intent;
import android.os.Build;
import android.os.Bundle;
import android.os.Handler;
import android.os.StrictMode;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;

public class MainActivity extends AppCompatActivity implements View.OnClickListener {
    private Button shangbao_bt;
    private Button qiehuan_bt;
    private Button zhuce_bt;
    private Button quanbutiwen_bt;
    private Button shengchengbiao_bt;
    private Button tongji_bt;
    private Button MPandroid_bt,Map_bt,Map_bt1;
    private Intent i,m,n,o,k,x,y,q,p;
    private String name,classes;
    private String str_location;
    private Handler handler_location = new Handler();
    private Toast toast;
    private List<TiwenBean> list;
    private TiwenDB tiwenDB;
    private List<TiwenBean> listMPandroid;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState) ;
        setContentView(R.layout.activity_main);
        initTiwen();
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
            StrictMode.VmPolicy.Builder builder = new StrictMode.VmPolicy.Builder();
            StrictMode.setVmPolicy( builder.build() );
        }
    }


    private void initTiwen() {
            shangbao_bt = (Button) this.findViewById(R.id.bt_shangbao);
            qiehuan_bt = (Button) this.findViewById(R.id.bt_qiehuan);
            zhuce_bt = (Button) this.findViewById(R.id.bt_zhuce);
            quanbutiwen_bt = (Button) this.findViewById(R.id.bt_quanbutiwen);
            shengchengbiao_bt = (Button) this.findViewById(R.id.bt_shengchengbiao);
            tongji_bt = (Button) this.findViewById(R.id.bt_tongji);
            MPandroid_bt = (Button) this.findViewById(R.id.bt_MPandroid);
            Map_bt = (Button)this.findViewById(R.id.bt_Map);
            Map_bt1 = (Button)this.findViewById(R.id.bt_Map1);
            zhuce_bt.setOnClickListener(this);
            shangbao_bt.setOnClickListener(this);
            qiehuan_bt.setOnClickListener(this);
            quanbutiwen_bt.setOnClickListener(this);
            shengchengbiao_bt.setOnClickListener(this);
            tongji_bt.setOnClickListener(this);
            MPandroid_bt.setOnClickListener(this);
            Map_bt.setOnClickListener(this);
            Map_bt1.setOnClickListener(this);

    }

    public String getTime(){
        SimpleDateFormat format = new SimpleDateFormat("yyyy年MM月dd日");
        Date curDate = new Date();
        String str = format.format(curDate);
        return str;
    }
    @Override
    public void onClick(View v) {
        switch (v.getId()) {
            case R.id.bt_shangbao:
                i = new Intent(this, addActivity.class);
                i.putExtra("time",getTime());
                i.putExtra("name",name);
                LocationUtil locationUtil = new LocationUtil();
                locationUtil.initLocation(getApplicationContext());
                new Thread(new Runnable() {
                    @Override
                    public void run() {
                        try {
                            str_location= LocationUtil.getAddress(LocationUtil.location,getApplicationContext());
                            //位置信息-----一个字符串
                        }catch (IOException e){
                            e.printStackTrace();
                        }
                        final String finalStr_location = str_location;
                        handler_location.post(new Runnable() {
                            @Override
                            public void run() {
                                //Toast.makeText(getApplicationContext(), finalStr_location,Toast.LENGTH_LONG).show();
                            }
                        });
                    }
                }).start();
                i.putExtra("didian",str_location);
                startActivity(i);
                break;
            case R.id.bt_zhuce:
                m = new Intent(this, zhuceActivity.class);
                startActivity(m);
                break;
            case R.id.bt_qiehuan:
                k = new Intent(this,qiehuanActivity.class);
                startActivity(k);
                break;
            case R.id.bt_quanbutiwen:
                n = new Intent(this, alltiwenActivity.class);
                startActivity(n);
                break;
            case R.id.bt_shengchengbiao:
                x = new Intent(this,shengchengbiaoActivity.class);
                x.putExtra("name",name);
                startActivity(x);
                break;
            case R.id.bt_tongji:
                o = new Intent(this,tongjiActivity.class);
                o.putExtra("time",getTime());
                o.putExtra("classes",classes);
                startActivity(o);
                break;
            case R.id.bt_MPandroid:
                y = new Intent(this,MPandroidActivity.class);
                y.putExtra("name",name);
                startActivity(y);
                break;
            case R.id.bt_Map:
                q = new Intent(this,MapActivity.class);
                q.putExtra("time",getTime());
                q.putExtra("classes",classes);
                startActivity(q);
                break;
            case R.id.bt_Map1:
                p = new Intent(this,Map1Activity.class);
                startActivity(p);
                break;
            default:
                break;
        }
    }

    @Override
    protected void onResume() {
        super.onResume();
        Intent i = getIntent();
        classes = i.getStringExtra("classes");
        name =i.getStringExtra("name");
        if(name != null && name.length() != 0){
            toast = new Toast(this);
            toast.makeText(MainActivity.this,"当前用户为:"+classes+"的"+name,Toast.LENGTH_LONG).show();
        }
    }
}