寒假福利5

项目源码

MainActivity.java

package com.example.myapplication;

import androidx.appcompat.app.AppCompatActivity;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.text.Editable;
import android.text.TextWatcher;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
import pl.com.salsoft.sqlitestudioremote.SQLiteStudioService;

public class MainActivity extends Activity {

    private Button mBtnLogin;
    private EditText mEtUserName;
    private Button mBtnRegister;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

       mBtnLogin= findViewById(R.id.btn_login);
        mBtnLogin.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                //跳转到主页面
                Intent intent = new Intent(MainActivity.this, ZhuActivity.class);
                startActivity(intent);
            }
        });

        mEtUserName = findViewById(R.id.et_1);
        mEtUserName.addTextChangedListener(new TextWatcher() {
            @Override
            public void beforeTextChanged(CharSequence s, int start, int count, int after) {

            }

            @Override
            public void onTextChanged(CharSequence s, int start, int before, int count) {

                Log.d("edittext",s.toString());
            }

            @Override
            public void afterTextChanged(Editable s) {

            }
        });

        mBtnRegister= findViewById(R.id.btn_register);
        mBtnRegister.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                //跳转到register页面
                Intent intent = new Intent(MainActivity.this, RegisterActivity.class);
                startActivity(intent);
            }
        });


    }
}

RegisterActivity.java

package com.example.myapplication;

import androidx.appcompat.app.AppCompatActivity;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.text.Editable;
import android.text.TextWatcher;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

import pl.com.salsoft.sqlitestudioremote.SQLiteStudioService;

public class RegisterActivity extends AppCompatActivity {

    private Button rgt_3;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_register);
        rgt_3 = findViewById(R.id.rgt_3);
        rgt_3.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Toast.makeText(RegisterActivity.this, "注册成功", Toast.LENGTH_SHORT).show();
                //跳转到起始页面
                Intent intent = new Intent(RegisterActivity.this, MainActivity.class);
                startActivity(intent);
            }
        });
    }
}

ZhuActivity.java

package com.example.myapplication;

import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.app.ActivityCompat;
import android.Manifest;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
import com.baidu.location.BDLocation;
import com.baidu.location.BDLocationListener;
import com.baidu.location.LocationClient;
import com.baidu.location.LocationClientOption;
import com.baidu.mapapi.SDKInitializer;
import com.baidu.mapapi.map.BaiduMap;
import com.baidu.mapapi.map.MapStatusUpdate;
import com.baidu.mapapi.map.MapStatusUpdateFactory;
import com.baidu.mapapi.map.MapView;
import com.baidu.mapapi.model.LatLng;
import java.text.SimpleDateFormat;
import java.util.Date;


public class ZhuActivity extends AppCompatActivity {

    private EditText zDate; //日期
    private EditText time;  //时间
    private EditText address; //地址
    private Button tijiao;  //提交按钮
    LocationClient mLocationClient;  //定位客户端
    private MapView mMapView; //声明地图组件
    private BaiduMap mBaiduMap; //定义百度地图对象
    private boolean isFirstLoc; //记录是否是第一次定位


   /* private Calendar calendar; // 通过Calendar获取系统时间
    private int mYear;
    private int mMonth;
    private int mDay;
    private LinearLayout layoutDate;*/

    @Override
    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);
        //如果没有定位权限，动态请求用户允许使用该权限
        if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
            ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.ACCESS_FINE_LOCATION}, 1);
        }else {
            requestLocation();
        }

        //日期
        zDate = findViewById(R.id.zhu_2);
        SimpleDateFormat simpleDateFormat1 = new SimpleDateFormat("yyyy年MM月dd日 ");
        Date date1 = new Date(System.currentTimeMillis());
        zDate.setText(simpleDateFormat1.format(date1));

/*   日历
        zDate = findViewById(R.id.zhu_2);
        calendar = Calendar.getInstance();
        // 点击"日期"按钮布局 设置日期
        zDate.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                new DatePickerDialog(ZhuActivity.this,
                        new DatePickerDialog.OnDateSetListener() {
                            @Override
                            public void onDateSet(DatePicker view, int year,
                                                  int month, int day) {
                                // TODO Auto-generated method stub
                                mYear = year;
                                mMonth = month;
                                mDay = day;
                                // 更新EditText控件日期 小于10加0
                                zDate.setText(new StringBuilder()
                                        .append(mYear)
                                        .append("-")
                                        .append((mMonth + 1) < 10 ? "0"
                                                + (mMonth + 1) : (mMonth + 1))
                                        .append("-")
                                        .append((mDay < 10) ? "0" + mDay : mDay));
                            }
                        }, calendar.get(Calendar.YEAR), calendar
                        .get(Calendar.MONTH), calendar
                        .get(Calendar.DAY_OF_MONTH)).show();
            }
        });

*/

        //提交
        tijiao = findViewById(R.id.tijiao);
        tijiao.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Toast.makeText(ZhuActivity.this, "提交成功", Toast.LENGTH_SHORT).show();
                //跳转到成功页面
                Intent intent = new Intent(ZhuActivity.this, ShowActivity.class);
                startActivity(intent);
            }
        });

        //时间
        time = findViewById(R.id.time);
        SimpleDateFormat simpleDateFormat = new SimpleDateFormat("HH:mm:ss");
        Date date = new Date(System.currentTimeMillis());
        time.setText(simpleDateFormat.format(date));

    }

    @Override
    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
        switch (requestCode) {
            case 1:
                if (grantResults[0] != PackageManager.PERMISSION_GRANTED) {
                    Toast.makeText(this, "没有定位权限！", Toast.LENGTH_LONG).show();
                    finish();
                } else {
                    requestLocation();
                }
        }
    }

    private void requestLocation() {
        initLocation();
        mLocationClient.start();
    }

    private void initLocation() {  //初始化
        mLocationClient = new LocationClient(getApplicationContext());
        mLocationClient.registerLocationListener(new MyLocationListener());
        SDKInitializer.initialize(getApplicationContext());
        setContentView(R.layout.activity_zhu);
        mMapView = findViewById(R.id.baiDuMap);
        mBaiduMap = mMapView.getMap();
        address = findViewById(R.id.zhu_4);
        LocationClientOption option = new LocationClientOption();
        //设置扫描时间间隔
        option.setScanSpan(1000);
        //设置定位模式，三选一
        option.setLocationMode(LocationClientOption.LocationMode.Hight_Accuracy);
        /*option.setLocationMode(LocationClientOption.LocationMode.Battery_Saving);
        option.setLocationMode(LocationClientOption.LocationMode.Device_Sensors);*/
        //设置需要地址信息
        option.setIsNeedAddress(true);
        //保存定位参数
        mLocationClient.setLocOption(option);
    }

    //内部类，百度位置监听器
    private class MyLocationListener  implements BDLocationListener {
        @Override
        public void onReceiveLocation(BDLocation bdLocation) {

            address.setText(bdLocation.getAddrStr());
            if(bdLocation.getLocType()==BDLocation.TypeGpsLocation || bdLocation.getLocType()==BDLocation.TypeNetWorkLocation){
                navigateTo(bdLocation);
            }
        }
    }
    private void navigateTo(BDLocation bdLocation) {
        if(isFirstLoc){
            LatLng ll = new LatLng(bdLocation.getLatitude(),bdLocation.getLongitude());
            MapStatusUpdate update = MapStatusUpdateFactory.newLatLng(ll);
            mBaiduMap.animateMapStatus(update);
            isFirstLoc = false;
        }
    }
    @Override
    protected void onResume() {
        super.onResume();
        mMapView.onResume();
    }
    @Override
    protected void onPause() {
        super.onPause();
        mMapView=findViewById(R.id.baiDuMap);
        mMapView.onResume();
    }
    @Override
    protected void onDestroy() {
        super.onDestroy();
        mLocationClient.stop();
        mMapView.onDestroy();
    }
}