个人冲刺（六）——体温上报app（二阶段）
冲刺任务：完成主页面功能
MainActivity.java
package com.example.helloworld; import android.app.AlertDialog; import android.content.ContentValues; import android.content.DialogInterface; import android.content.Intent; import android.database.Cursor; import android.database.sqlite.SQLiteDatabase; import android.os.Bundle; import android.util.Log; import android.view.View; import android.widget.Button; import android.widget.EditText; import android.widget.TextView; import android.widget.Toast; import androidx.annotation.Nullable; import androidx.appcompat.app.AppCompatActivity; import com.baidu.location.BDAbstractLocationListener; import com.baidu.location.BDLocation; import com.baidu.location.LocationClient; import com.baidu.location.LocationClientOption; import com.baidu.mapapi.SDKInitializer; 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 static final int RESQUEST=100; private EditText text1; private EditText text2; private EditText text3; private EditText text4; private TextView text5; String tempstr=""; private DBOpenHelper mDBOpenHelper; private WenDate wendate=new WenDate(); private TextView mTv = null; public LocationClient mLocationClient = null; private MyLocationListener myListener = new MyLocationListener(); //获取地址 public class MyLocationListener extends BDAbstractLocationListener { @Override public void onReceiveLocation(BDLocation location){ //此处的BDLocation为定位结果信息类，通过它的各种get方法可获取定位相关的全部结果 //以下只列举部分获取地址相关的结果信息 //更多结果信息获取说明，请参照类参考中BDLocation类中的说明 String addr = location.getAddrStr(); //获取详细地址信息 String country = location.getCountry(); //获取国家 String province = location.getProvince(); //获取省份 String city = location.getCity(); //获取城市 String district = location.getDistrict(); //获取区县 String street = location.getStreet(); //获取街道信息 String town = location.getTown(); //获取乡镇信息 text4=(EditText)findViewById(R.id.tv_text4); text4.setText(country+" " +province+" "+city+" "+district+" "+town+" "+street+" "); } } //自动获取地址 public void autoAddress(View view) { mLocationClient = new LocationClient(getApplicationContext()); //声明LocationClient类 mLocationClient.registerLocationListener(myListener); LocationClientOption option = new LocationClientOption(); option.setIsNeedAddress(true); option.setNeedNewVersionRgc(true); mLocationClient.setLocOption(option); //注册监听函数 mLocationClient.start(); } // //onCreate方法 @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); Log.v("MainActivity","MainActivity启动"); SDKInitializer.initialize(getApplicationContext()); setContentView(R.layout.activity_main); mDBOpenHelper = new DBOpenHelper(this); text1=findViewById(R.id.tv_text1); text2=findViewById(R.id.tv_text2); text3=findViewById(R.id.tv_text3); text4=findViewById(R.id.tv_text4); text5=findViewById(R.id.tv_text5); initView(); EditText et_tiwen=findViewById(R.id.tv_text3); et_tiwen.setText("体温 36.2℃"); // //把名字显示到界面 showNmae(); } // //接收复选框传过来的数据 @Override protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) { super.onActivityResult(requestCode, resultCode, data); switch (resultCode) { case RESULT_OK: tempstr=data.getExtras().getString("mess"); Log.v("输出“特殊情况”获取结果 ",data.getExtras().getString("mess")); text5.setText(tempstr); break; default: break; } } private void initView() { // 初始化控件对象 Button mBtMainLogout = findViewById(R.id.bt_main_logout); // 绑定点击监听器 mBtMainLogout.setOnClickListener(this); text5=findViewById(R.id.tv_text5); text5.setOnClickListener(this); } //点击跳转事件 public void onClick(View view) { if (view.getId() == R.id.bt_main_logout) { Intent intent = new Intent(this, loginActivity.class); startActivity(intent); finish(); } if (view.getId() == R.id.tv_text5) { Intent intent = new Intent(this, MoreActivity.class); intent.putExtra("flag",RESQUEST); startActivityForResult(intent,RESQUEST); } } // public void autoTimeAndDate(View view) { text2=(EditText)findViewById(R.id.tv_text2); SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy年MM月dd日 HH:mm:ss");// HH:mm:ss //获取当前时间 Date date = new Date(System.currentTimeMillis()); text2.setText(simpleDateFormat.format(date)); } public void createDB(View view) { MyDBHelper mydbh=new MyDBHelper(this,"amydb.db",1); SQLiteDatabase sqldb=mydbh.getReadableDatabase(); } public void insertDB(View view) { MyDBHelper mydbh=new MyDBHelper(this,"amydb.db",1); SQLiteDatabase sqldb=mydbh.getReadableDatabase(); ContentValues contentvalues=new ContentValues(); text1=(EditText)findViewById(R.id.tv_text1); text2=(EditText)findViewById(R.id.tv_text2); text3=(EditText)findViewById(R.id.tv_text3); text4=(EditText)findViewById(R.id.tv_text4); contentvalues.put("name",text1.getText().toString()); contentvalues.put("dateandtime",text2.getText().toString()); contentvalues.put("address",text4.getText().toString()); contentvalues.put("wendu",text3.getText().toString()); contentvalues.put("more",text5.getText().toString()); long flag=sqldb.insert("personwendu",null,contentvalues); Toast.makeText(this,flag+"条数据加入成功",Toast.LENGTH_LONG).show(); } // //查看数据 public void queryData(View view) { MyDBHelper mydbh=new MyDBHelper(this,"amydb.db",1); SQLiteDatabase sqldb=mydbh.getReadableDatabase(); Cursor cursor=sqldb.rawQuery("select * from personwendu",null); String str=""; if(cursor.moveToFirst()) { do{ String name=cursor.getString(cursor.getColumnIndex("name")); String dateandtime=cursor.getString(cursor.getColumnIndex("dateandtime")); String address=cursor.getString(cursor.getColumnIndex("address")); String wendu=cursor.getString(cursor.getColumnIndex("wendu")); String more= cursor.getString(cursor.getColumnIndex("more")); str=str+name+"|"+dateandtime+"|"+wendu+"\n"+address+"\n"+"-----"+more; }while(cursor.moveToNext()); } AlertDialog.Builder builder=new AlertDialog.Builder(this); builder.setTitle("历史记录").setIcon(R.mipmap.ic_launcher).setMessage(str) .setPositiveButton("ok", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { } }); AlertDialog ad=builder.create(); ad.show(); } public void updateData(View view) { MyDBHelper mydbh=new MyDBHelper(this,"mydb.db",1); SQLiteDatabase sqldb=mydbh.getReadableDatabase(); ContentValues contentvalues=new ContentValues(); contentvalues.put("name","hh"); contentvalues.put("age","18"); int flag=sqldb.update("person",contentvalues,"name=?",new String[]{"李明"}); Toast.makeText(this,"已有"+flag+"条数据修改",Toast.LENGTH_LONG).show(); } public void deleteDate(View view) { MyDBHelper mydbh=new MyDBHelper(this,"mydb.db",1); SQLiteDatabase sqldb=mydbh.getReadableDatabase(); int flag=sqldb.delete("person","id=1",null); Toast.makeText(this,"已有"+flag+"条数据删除",Toast.LENGTH_LONG).show(); } //把姓名从数据库里读取出来然后显示到控件上 public void showNmae(){ //先定义一个User类找到数据库最后一条数据里的姓名信息 List list= new ArrayList<User>(); list=mDBOpenHelper.getAllData(); if(list.size()!=0){ TextView et_name=(TextView) findViewById(R.id.tv_text1); User user = (User) list.get(list.size()-1); String name1 = user.getUsername(); Log.v("输出查询到的最后一个姓名：",name1); et_name.setText(name1); } else{ Log.v("输出查询到的最后一个姓名：","查询失败！！！"); } } }
