2021.04.28 刘一辰的软件工程随笔

今日目标：inactivity

 

今日总结：

package com.study.temperature;

import android.app.Activity;
import android.content.Intent;
import android.database.sqlite.SQLiteDatabase;
import android.os.Bundle;
import android.text.TextUtils;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

import java.util.Calendar;

import com.amap.api.location.AMapLocation;
import com.amap.api.location.AMapLocationClient;
import com.amap.api.location.AMapLocationClientOption;
import com.amap.api.location.AMapLocationClientOption.AMapLocationMode;
import com.amap.api.location.AMapLocationListener;

 

 

public class InActivity extends Activity {
//地址
private Button bt_start;
private TextView tv_locat;

private MyopenHelper helper;
private EditText et_name;
private EditText et_temon;
private EditText et_temunder;
private TextView tv_time;

private AMapLocationClient mLocationClient = null;
private AMapLocationListener mLocationListener = null;

/**
* 接受百度地图定位的回调类，该类是派生于百度地图的一个地图定位的监听类，用于定位后信息的返回。
*/
/**
* 自定义的定位回调接口监听器,该接口是自定义的一个接口，用于在使用该对象时，把定位信息进行回调;
*/
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_in);
bt_start = (Button)findViewById(R.id.bt_start);
tv_locat = (TextView)findViewById(R.id.tv_locat);
bt_start.setOnClickListener(new OnClickListener() {

@Override
public void onClick(View v) {
if(bt_start.getText().equals("开始定位")) {
bt_start.setText("stop");
//声明AMapLocationClient类对象
//初始化定位
mLocationClient = new AMapLocationClient(getApplicationContext());
mLocationListener = new AMapLocationListener(){
@Override
public void onLocationChanged(AMapLocation location) {
if (location != null) {
if (location.getErrorCode() == 0) {
//解析定位结果

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
StringBuilder myPosition=new StringBuilder();
myPosition.append("纬度：").append(location.getLatitude()).append("\n");
myPosition.append("经度：").append(location.getLongitude()).append("\n");
myPosition.append("省份：").append(province).append("\n");
myPosition.append("城市：").append(city).append("\n");
myPosition.append("区：").append(district).append("\n");
myPosition.append("街道：").append(street).append("\n");
myPosition.append("门牌号：").append(location.getStreetNum());//街道门牌号信息
tv_locat.setText(myPosition);
}
}
}
};
//设置定位回调监听
mLocationClient.setLocationListener(mLocationListener);

//异步获取定位结果

initLocation();

//启动定位
mLocationClient.startLocation();
}else if(bt_start.getText().equals("stop")) {
bt_start.setText("开始定位");
close();

}
}
});

 

//------------------------
et_name = (EditText)findViewById(R.id.et_name);
et_temon = (EditText)findViewById(R.id.et_temon);
et_temunder = (EditText)findViewById(R.id.et_temunder);

Calendar calendar = Calendar.getInstance();
//年
int year = calendar.get(Calendar.YEAR);
//月
int month = calendar.get(Calendar.MONTH)+1;
//日
int day = calendar.get(Calendar.DAY_OF_MONTH);
//获取系统时间
//小时
int hour = calendar.get(Calendar.HOUR_OF_DAY);
//分钟
int minute = calendar.get(Calendar.MINUTE);
//秒
int second = calendar.get(Calendar.SECOND);

tv_time = findViewById(R.id.tv_time);
tv_time.setText(year+"年"+month+"月"+day+"日"+hour+":"+minute+":"+second);

helper = new MyopenHelper(this,1);
Button bt_tijiao = (Button)findViewById(R.id.bt_tijiao);
bt_tijiao.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
//打开数据库
SQLiteDatabase readableDatabase = helper.getReadableDatabase();
//获取edittext数据
String text = et_name.getText().toString().trim();
String text2 = et_temon.getText().toString().trim();
String text3 = et_temunder.getText().toString().trim();
String text4 = tv_time.getText().toString().trim();
String text5 = tv_locat.getText().toString().trim();
if (TextUtils.isEmpty(text)||TextUtils.isEmpty(text2)||TextUtils.isEmpty(text3)) {
Toast.makeText(InActivity.this, "输入不能为空", Toast.LENGTH_SHORT).show();
}else {

String sql = "insert into info (name,temon,temunder,time,locat) values('"+text+"','"+text2+"','"+text3+"','"+text4+"','"+text5+"')";
readableDatabase.execSQL(sql);
readableDatabase.close();
Toast.makeText(InActivity.this, "提交成功！", Toast.LENGTH_SHORT).show();
Intent intent =new Intent(InActivity.this,MainActivity.class);
finish();//结束当前活动
startActivity(intent);
}
}
});
}

private void initLocation() {
AMapLocationClientOption option = new AMapLocationClientOption();
option.setGpsFirst(true); // 打开gps;
//可选，是否需要地址信息，默认为不需要，即参数为false
//设置定位模式为AMapLocationMode.Hight_Accuracy，高精度模式。
option.setLocationMode(AMapLocationMode.Hight_Accuracy); //可选，设置是否需要最新版本的地址信息。默认需要，即参数为true
mLocationClient.setLocationOption(option);
//mLocationClient为第二步初始化过的LocationClient对象
//需将配置好的LocationClientOption对象，通过setLocOption方法传递给LocationClient对象使用
//更多LocationClientOption的配置，请参照类参考中LocationClientOption类的详细说明
}
private void close() {
mLocationClient.stopLocation();
mLocationClient.unRegisterLocationListener(mLocationListener);
mLocationClient.onDestroy();
}

}

 

明日目标：in_xml