android 酷欧天气完整项目
先要建议三张表：province、city、county，分别用于存放省市县的数据信息。
Province.java
package com.example.lenovo.coolweather.db;
import org.litepal.crud.DataSupport;
/**
* 代表省的数据库表
*/
public class Province extends DataSupport {
private int id; //id号
private String provinceName; //省得名字
private int provinceCode; //省得代号
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getProvinceName() {
return provinceName;
}
public void setProvinceName(String provinceName) {
this.provinceName = provinceName;
}
public int getProvinceCode() {
return provinceCode;
}
public void setProvinceCode(int provinceCode) {
this.provinceCode = provinceCode;
}
}City.javapackage com.example.lenovo.coolweather.db;
import org.litepal.crud.DataSupport;
/**
* 代表市的数据库表
*/
public class City extends DataSupport {
private int id;
private String cityName; //城市名字
private int cityCode; //城市代号
private int provinceId; //当前城市所属省得id
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getCityName() {
return cityName;
}
public void setCityName(String cityName) {
this.cityName = cityName;
}
public int getCityCode() {
return cityCode;
}
public void setCityCode(int cityCode) {
this.cityCode = cityCode;
}
public int getProvinceId() {
return provinceId;
}
public void setProvinceId(int provinceId) {
this.provinceId = provinceId;
}
}
package com.example.lenovo.coolweather.db;
import org.litepal.crud.DataSupport;
/**
* 代表县的数据库表
*/
public class County extends DataSupport {
private int id;
private String countName; //县的名字
private String weatherId; //天气id
private int cityId; //当前县所属城市的id
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getCountName() {
return countName;
}
public void setCountName(String countName) {
this.countName = countName;
}
public String getWeatherId() {
return weatherId;
}
public void setWeatherId(String weatherId) {
this.weatherId = weatherId;
}
public int getCityId() {
return cityId;
}
public void setCityId(int cityId) {
this.cityId = cityId;
}
}
遍历省市县数据的碎片
ChooseAreaFragment.java
package com.example.lenovo.coolweather;
import android.app.ProgressDialog;
import android.content.Intent;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
import com.example.lenovo.coolweather.db.City;
import com.example.lenovo.coolweather.db.County;
import com.example.lenovo.coolweather.db.Province;
import com.example.lenovo.coolweather.util.HttpUtil;
import com.example.lenovo.coolweather.util.Utility;
import org.litepal.crud.DataSupport;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import okhttp3.Call;
import okhttp3.Callback;
import okhttp3.Response;
/**
* 遍历省市县数据的碎片
*/
public class ChooseAreaFragment extends Fragment {
public static final int LEVEL_PROVINCE = 0; //省标记
public static final int LEVEL_CITY = 1; //市标记
public static final int LEVEL_COUNTY = 2; //县标记
private ProgressDialog progressDialog; //进度条
private TextView titleText; //标题
private Button backButton; //返回按钮
private ListView listView;
private ArrayAdapter adapter;
private List dataList = new ArrayList<>();
private List provinceList; //省列表
private List cityList; //市列表
private List countyList; //县列表
private Province selectProvince; //选中的省份
private City selectCity; //选中的城市
private int currentLevel; //当前选中的级别
@Nullable
@Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.choose_area, container, false);
//找到控件
titleText = (TextView) view.findViewById(R.id.title_text);
backButton = (Button) view.findViewById(R.id.back_button);
listView = (ListView) view.findViewById(R.id.list_view);
//创建适配器
adapter = new ArrayAdapter(getContext(),
android.R.layout.simple_list_item_1, dataList);
//设置适配器
listView.setAdapter(adapter);
return view;
}
@Override
public void onActivityCreated(@Nullable Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
//设置监听
listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView parent, View view, int position, long id) {
if (currentLevel == LEVEL_PROVINCE) {
selectProvince = provinceList.get(position);
queryCities();
} else if (currentLevel == LEVEL_CITY) {
selectCity = cityList.get(position);
queryCounties();
}else if(currentLevel == LEVEL_COUNTY){
//跳转到天气界面
String weatherId = countyList.get(position).getWeatherId();
if(getActivity() instanceof MainActivity){
Intent intent = new Intent(getActivity(),WeatherActivity.class);
intent.putExtra("weather_id",weatherId);
startActivity(intent);
getActivity().finish();
}else if(getActivity() instanceof WeatherActivity){
WeatherActivity activity = (WeatherActivity) getActivity();
activity.drawerLayout.closeDrawers();
activity.swipeRefresh.setRefreshing(true);
activity.requestWeather(weatherId);
}
}
}
});
//设置按钮监听事件
backButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (currentLevel == LEVEL_COUNTY) {
queryCities();
} else if (currentLevel == LEVEL_CITY) {
queryProvince();
}
}
});
queryProvince();
}
/**
* 查询所有的省，优先从数据库查询，如果没有查询到再去服务器上查询
*/
private void queryProvince() {
titleText.setText("中国");
//隐藏返回按钮
backButton.setVisibility(View.GONE);
//先从数据库中查找数据
provinceList = DataSupport.findAll(Province.class);
//大于0，说明数据库中有数据
if (provinceList.size() > 0) {
//重新设置适配器，更新数据
dataList.clear();
for (Province province : provinceList) {
dataList.add(province.getProvinceName());
}
adapter.notifyDataSetChanged();
listView.setSelection(0);
currentLevel = LEVEL_PROVINCE;
} else {
//数据库中没有数据，从网络中获取
String address = "http://guolin.tech/api/china";
queryFromServer(address, "province");
}
}
/**
* 查询选中省中的所有的市，优先从数据库查询，如果没有查询到再去服务器上查询
*/
private void queryCities() {
titleText.setText(selectProvince.getProvinceName());
backButton.setVisibility(View.VISIBLE);
cityList = DataSupport.where("provinceid = ?", String.valueOf(selectProvince.getId())).find(City.class);
if (cityList.size() > 0) {
dataList.clear();
for (City city : cityList) {
dataList.add(city.getCityName());
}
adapter.notifyDataSetChanged();
listView.setSelection(0);
currentLevel = LEVEL_CITY;
} else {
int provinceCode = selectProvince.getProvinceCode();
String address = "http://guolin.tech/api/china/" + provinceCode;
queryFromServer(address, "city");
}
}
/**
* 查询选中市中的所有的县，优先从数据库查询，如果没有查询到再去服务器上查询
*/
private void queryCounties() {
titleText.setText(selectCity.getCityName());
backButton.setVisibility(View.VISIBLE);
countyList = DataSupport.where("cityid=?", String.valueOf(selectCity.getId())).find(County.class);
if (countyList.size() > 0) {
dataList.clear();
for (County county : countyList) {
dataList.add(county.getCountName());
}
adapter.notifyDataSetChanged();
listView.setSelection(0);
currentLevel = LEVEL_COUNTY;
} else {
int provinceCode = selectProvince.getProvinceCode();
int cityCode = selectCity.getCityCode();
String address = "http://guolin.tech/api/china/" + provinceCode + "/" + cityCode;
queryFromServer(address, "county");
}
}
/**
* 根据传入的地址和类型从服务器上查询省市县数据
*
* @param address
* @param type
*/
private void queryFromServer(String address, final String type) {
showProgressDialog();
HttpUtil.sendOkHttpRequest(address, new Callback() {
@Override
public void onFailure(Call call, IOException e) {
getActivity().runOnUiThread(new Runnable() {
@Override
public void run() {
closeProgressDialog();
Toast.makeText(getContext(), "加载失败", Toast.LENGTH_SHORT).show();
}
});
}
@Override
public void onResponse(Call call, Response response) throws IOException {
String responseText = response.body().string();
boolean result = false;
if ("province".equals(type)) {
result = Utility.handleProvinceResponse(responseText);
} else if ("city".equals(type)) {
result = Utility.handleCityResponse(responseText,
selectProvince.getId());
} else if ("county".equals(type)) {
result = Utility.handleCountyResponse(responseText,
selectCity.getId());
}
if (result) {
getActivity().runOnUiThread(new Runnable() {
@Override
public void run() {
closeProgressDialog();
if ("porvince".equals(type)) {
queryProvince();
} else if ("city".equals(type)) {
queryCities();
} else if ("county".equals(type)) {
queryCounties();
}
}
});
}
}
});
}
/**
* 显示进度条
*/
private void showProgressDialog() {
if (progressDialog == null) {
progressDialog = new ProgressDialog(getActivity());
progressDialog.setMessage("加载中...");
progressDialog.setCanceledOnTouchOutside(false);
}
progressDialog.show();
}
/**
* 关闭进度条
*/
private void closeProgressDialog() {
if (progressDialog != null) {
progressDialog.dismiss();
}
}
}
WeatherActicity.java
package com.example.lenovo.coolweather;
import android.content.Intent;
import android.content.SharedPreferences;
import android.graphics.Color;
import android.os.Build;
import android.preference.PreferenceManager;
import android.support.v4.content.SharedPreferencesCompat;
import android.support.v4.view.GravityCompat;
import android.support.v4.widget.DrawerLayout;
import android.support.v4.widget.SwipeRefreshLayout;
import android.support.v7.app.AlertDialog;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.ScrollView;
import android.widget.TextView;
import android.widget.Toast;
import com.bumptech.glide.Glide;
import com.example.lenovo.coolweather.gson.Forcast;
import com.example.lenovo.coolweather.gson.Weather;
import com.example.lenovo.coolweather.service.AutoUpdateService;
import com.example.lenovo.coolweather.util.HttpUtil;
import com.example.lenovo.coolweather.util.Utility;
import java.io.IOException;
import okhttp3.Call;
import okhttp3.Callback;
import okhttp3.Response;
public class WeatherActivity extends AppCompatActivity {
public SwipeRefreshLayout swipeRefresh;
public DrawerLayout drawerLayout;
private Button navButton;
private String mWeatherId;
private ScrollView weatherLayout;
private TextView titleCity;
private TextView titleUpdateTime;
private TextView degreeText;
private TextView weatherInfoText;
private LinearLayout forecastLayout;
private TextView aqiText;
private TextView pm25Text;
private TextView comfortText;
private TextView carWashText;
private TextView sportText;
private ImageView bingPicImg;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if(Build.VERSION.SDK_INT >= 21){
//拿到当前活动的DecorView
View decorView = getWindow().getDecorView();
//活动的布局显示在状态栏上面
decorView.setSystemUiVisibility(
View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_LAYOUT_STABLE);
getWindow().setStatusBarColor(Color.TRANSPARENT);
}
setContentView(R.layout.activity_weather);
//初始化各控件
initView();
swipeRefresh.setColorSchemeResources(R.color.colorPrimary);
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
String weatherString = prefs.getString("weather",null);
if(weatherString != null){
//有缓存时直接解析天气数据
Weather weather = Utility.handleWeatherResponse(weatherString);
mWeatherId = weather.basic.weatherId;
showWeatherInfo(weather);
}else{
//没有缓存时去服务器查询天气
//String weatherId = getIntent().getStringExtra("weather_id");
mWeatherId = getIntent().getStringExtra("weather_id");;
weatherLayout.setVisibility(View.INVISIBLE);
requestWeather(mWeatherId);
}
swipeRefresh.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
@Override
public void onRefresh() {
requestWeather(mWeatherId);
}
});
String bingPic = prefs.getString("bing_pic",null);
if(bingPic != null){
Glide.with(this).load(bingPic).into(bingPicImg);
}else{
loadBingPic();
}
navButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
drawerLayout.openDrawer(GravityCompat.START);
}
});
}
/**
* 找到所有控件
*/
private void initView() {
drawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
navButton = (Button) findViewById(R.id.nav_button);
swipeRefresh = (SwipeRefreshLayout) findViewById(R.id.swipe_regresh);
bingPicImg = (ImageView) findViewById(R.id.bing_pic_img);
weatherLayout = (ScrollView) findViewById(R.id.weather_layout);
titleCity = (TextView) findViewById(R.id.title_city);
titleUpdateTime = (TextView) findViewById(R.id.title_update_time);
degreeText = (TextView) findViewById(R.id.degree_text);
weatherInfoText = (TextView) findViewById(R.id.weather_info_text);
forecastLayout = (LinearLayout) findViewById(R.id.forecast_layout);
aqiText = (TextView) findViewById(R.id.aqi_text);
pm25Text = (TextView) findViewById(R.id.pm25_text);
comfortText = (TextView) findViewById(R.id.comfort_text);
carWashText = (TextView) findViewById(R.id.car_wash_text);
sportText = (TextView) findViewById(R.id.sport_text);
}
/**
* 加载必应每日一图
*/
private void loadBingPic() {
String requestBingPic = "http://guolin.tech/api/bing_pic";
HttpUtil.sendOkHttpRequest(requestBingPic, new Callback() {
@Override
public void onFailure(Call call, IOException e) {
e.printStackTrace();
}
@Override
public void onResponse(Call call, Response response) throws IOException {
final String bingPic = response.body().string();
SharedPreferences.Editor editor = PreferenceManager
.getDefaultSharedPreferences(WeatherActivity.this).edit();
editor.putString("bing_pic",bingPic);
editor.apply();
runOnUiThread(new Runnable() {
@Override
public void run() {
Glide.with(WeatherActivity.this).load(bingPic).into(bingPicImg);
}
});
}
});
}
/**
* 根据天气id请求城市天气信息
* @param weatherId
*/
public void requestWeather(String weatherId) {
String weatherUrl = "http://guolin.tech/api/weather?cityid=" +weatherId+
"&key=bc0418b57b2d4918819d3974ac1285d9";
HttpUtil.sendOkHttpRequest(weatherUrl, new Callback() {
@Override
public void onFailure(Call call, IOException e) {
e.printStackTrace();
runOnUiThread(new Runnable() {
@Override
public void run() {
Toast.makeText(WeatherActivity.this,"获取天气信息失败",Toast.LENGTH_SHORT).show();
swipeRefresh.setRefreshing(false);
}
});
}
@Override
public void onResponse(Call call, Response response) throws IOException {
final String responseText = response.body().string();
final Weather weather = Utility.handleWeatherResponse(responseText);
runOnUiThread(new Runnable() {
@Override
public void run() {
if(weather != null && "ok".equals(weather.status)){
SharedPreferences.Editor editor = PreferenceManager.getDefaultSharedPreferences(WeatherActivity.this)
.edit();
editor.putString("weather",responseText);
editor.apply();
Intent intent = new Intent(WeatherActivity.this, AutoUpdateService.class);
startService(intent);
showWeatherInfo(weather);
}else{
Toast.makeText(WeatherActivity.this,"获取天气信息失败",Toast.LENGTH_SHORT).show();
}
swipeRefresh.setRefreshing(false);
}
});
}
});
loadBingPic();
}
/**
* 处理并展示Weather实体类的数据
* @param weather
*/
private void showWeatherInfo(Weather weather) {
String cityName = weather.basic.cityName;
String updateTime = weather.basic.update.updateTime.split(" ")[1];
String degree = weather.now.temperature+"℃";
String weatherInfo = weather.now.more.info;
titleCity.setText(cityName);
titleUpdateTime.setText(updateTime);
degreeText.setText(degree);
weatherInfoText.setText(weatherInfo);
forecastLayout.removeAllViews();
for(Forcast forcast : weather.forcastList){
View view = LayoutInflater.from(this).inflate(R.layout.forecast_item,forecastLayout,false);
TextView dateText = (TextView) view.findViewById(R.id.date_text);
TextView infoText = (TextView) view.findViewById(R.id.info_text);
TextView maxText = (TextView) view.findViewById(R.id.max_text);
TextView minText = (TextView) view.findViewById(R.id.min_text);
dateText.setText(forcast.date);
infoText.setText(forcast.more.info);
maxText.setText(forcast.temperature.max);
minText.setText(forcast.temperature.min);
forecastLayout.addView(view);
}
if(weather.aqi != null){
aqiText.setText(weather.aqi.city.aqi);
pm25Text.setText(weather.aqi.city.pm25);
}
String comfort = "舒适度："+weather.suggestion.comfort.info;
String carWash = "洗车指数："+weather.suggestion.carWash.info;
String sport = "运动建议："+weather.suggestion.sport.info;
comfortText.setText(comfort);
carWashText.setText(carWash);
sportText.setText(sport);
weatherLayout.setVisibility(View.VISIBLE);
}
}
package com.example.lenovo.coolweather;
import android.content.Intent;
import android.content.SharedPreferences;
import android.preference.PreferenceManager;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
if(prefs.getString("weather",null) != null){
Intent intent = new Intent(this,WeatherActivity.class);
startActivity(intent);
finish();
}
}
}
运行结果：
完整项目在：https://github.com/zhaoqingliang/MyCoolWeather.git点击打开链接