android天气预报实训程序清单,Android天气预报项目
1、項目效果圖：
2、主頁面MainActivity代碼如下：
MainActivity.java
package com.qianfeng.weather;
import android.content.Intent;
import android.graphics.drawable.AnimationDrawable;
import android.os.Handler;
import android.os.Message;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.widget.Toast;
import org.json.JSONObject;
import java.util.ArrayList;
import java.util.List;
public class MainActivity extends AppCompatActivity {
private ImageView refreshIv;
private ImageView searchIv;
private TextView cityTv;
private TextView pmTv;
private TextView errorTv;
private TextView tempTv;
private TextView weatherTv;
private TextView windTv;
private TextView dateTv;
private View lineView;
private LinearLayout otherLl;
private List weekList;
private Handler handler;
private int code = 101100101;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
initView();
initData();
getData(code);
setListener();
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == 100) {
code = resultCode;
getData(code);
}
}
private void setListener() {
refreshIv.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
getData(code);
}
});
searchIv.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Intent intent = new Intent(MainActivity.this,
SearchActivity.class);
startActivityForResult(intent, 100);
}
});
}
/**
*
*/
private void initData() {
//? ? ? ? 在Android中借助handler類實現從服務器獲取數據后更新UI頁面(Handler原理)
handler = new Handler() {
@Override
public void handleMessage(Message msg) {
if (msg.what == 200) {
errorTv.setText((String) msg.obj);
}
if (msg.what == 100) {
errorTv.setText("");
//? ? ? ? ? ? ? ? ? ? 停止轉圈動畫
refreshIv.setBackgroundResource(R.mipmap.refresh);
List list = (List) msg.obj;
cityTv.setText(list.get(0).getCity());
pmTv.setText(list.get(0).getPm());
tempTv.setText(list.get(0).getTempCurrent());
weatherTv.setText(list.get(0).getWeather() + " " + list.get(0).getTemp());
windTv.setText(list.get(0).getWindCurrent());
dateTv.setText(list.get(0).getDate_y() + " " + list.get(0).getWeek());
if (list.get(0).getPm().substring(list.get(0).getPm().lastIndexOf(" ") + 1).equals("優")) {
lineView.setBackgroundColor(getResources().getColor(R.color.pm1));
} else if (list.get(0).getPm().substring(list.get(0).getPm().lastIndexOf(" ") + 1).equals("良")) {
lineView.setBackgroundColor(getResources().getColor(R.color.pm2));
} else if (list.get(0).getPm().substring(list.get(0).getPm().lastIndexOf(" ") + 1).equals("輕度污染")) {
lineView.setBackgroundColor(getResources().getColor(R.color.pm3));
} else if (list.get(0).getPm().substring(list.get(0).getPm().lastIndexOf(" ") + 1).equals("中度")) {
lineView.setBackgroundColor(getResources().getColor(R.color.pm4));
} else if (list.get(0).getPm().substring(list.get(0).getPm().lastIndexOf(" ") + 1).equals("重度")) {
lineView.setBackgroundColor(getResources().getColor(R.color.pm5));
} else if (list.get(0).getPm().substring(list.get(0).getPm().lastIndexOf(" ") + 1).equals("嚴重")) {
lineView.setBackgroundColor(getResources().getColor(R.color.pm6));
}
//? ? ? ? ? ? ? ? ? ? 清空水平滾動條的孫子輩視圖
otherLl.removeAllViews();
//? ? ? ? ? ? ? ? ? ? 將未來五天的天氣信息動態設置到水平滾動條中的線性布局中的子視圖中
for (int i = 1; i < list.size(); i++) {
View view = LayoutInflater.from(getApplicationContext()).inflate(R.layout.item, null);
TextView weekItemTv = (TextView) view.findViewById(R.id.tv_week_item);
TextView weatherItemTv = (TextView) view.findViewById(R.id.tv_weather_item);
TextView tempItemTv = (TextView) view.findViewById(R.id.tv_temp_item);
weekItemTv.setText(list.get(i).getWeek());
weatherItemTv.setText(list.get(i).getWeather());
tempItemTv.setText(list.get(i).getTemp());
//? ? ? ? ? ? ? ? ? ? ? ? 動態將item視圖添加到otherLl中
otherLl.addView(view);
}
}
}
};
weekList = new ArrayList<>();
weekList.add("星期一");
weekList.add("星期二");
weekList.add("星期三");
weekList.add("星期四");
weekList.add("星期五");
weekList.add("星期六");
weekList.add("星期日");
}
/**
* 北京
*/
private void initView() {
refreshIv = (ImageView) findViewById(R.id.refresh_iv);
searchIv = (ImageView) findViewById(R.id.search_iv);
cityTv = (TextView) findViewById(R.id.city_tv);
pmTv = (TextView) findViewById(R.id.pm_tv);
errorTv = (TextView) findViewById(R.id.error_tv);
tempTv = (TextView) findViewById(R.id.temp_tv);
weatherTv = (TextView) findViewById(R.id.weather_tv);
windTv = (TextView) findViewById(R.id.wind_tv);
dateTv = (TextView) findViewById(R.id.date_tv);
lineView = findViewById(R.id.line_view);
otherLl = (LinearLayout) findViewById(R.id.other_ll);
}
/**
* 獲取網絡數據
*/
private void getData(final int code) {
if (!NetUtils.isActive(MainActivity.this)) {
errorTv.setText("請確認是否有網");
Toast.makeText(MainActivity.this, "親，確認您是否有網！", Toast.LENGTH_LONG).show();
return;
}
refreshIv.setBackgroundResource(R.drawable.pb_bg);
//封裝 繼承? 多態
AnimationDrawable animationDrawable = (AnimationDrawable) refreshIv.getBackground();
animationDrawable.start();
//? ? ? ? 開一個子線程進行網絡請求? 獲取服務器json數據(注意：Android主線程不能操作耗時代碼塊)
new Thread(new Runnable() {
@Override
public void run() {
String uri = "http://weather.123.duba.net/static/weather_info/" + code + ".html";
String result = NetUtils.doGet(uri);
//? ? ? ? ? ? ? ? list集合中存的今天+未來五天的天氣信息
List list = parserJson(result);
Message message = handler.obtainMessage();
//? ? ? ? ? ? ? ? 集合數據為空時讓其檢查網絡問題，或請程序員核查代碼(未徹底優化代碼結構以及代碼性能等)
if (list == null || list.size() == 0) {
message.what = 200;
message.obj = "請檢查網絡";
handler.sendMessage(message);
return;
}
message.what = 100;
message.obj = list;
handler.sendMessage(message);
//? ? ? ? ? ? ? ? 注意：子線程不能更新UI主線程的頁面
//? ? ? ? ? ? ? ? cityTv.setText(list.get(0).getCity());
}
}).start();
}
/**
* 解析json數據
*
* @param result
*/
private List parserJson(String result) {
List list = new ArrayList<>();
try {
JSONObject jsonObject = new JSONObject(result);
JSONObject weatherInfo = jsonObject.getJSONObject("weatherinfo");
//? ? ? ? ? ? 保存今天+未來五天的天氣數據
for (int i = 1; i < 7; i++) {
WeatherBean weatherBean = new WeatherBean();
if (i == 1) {
weatherBean.setCity(weatherInfo.getString("city"));
weatherBean.setCityId(weatherInfo.getString("cityid"));
weatherBean.setDate_y(weatherInfo.getString("date_y"));
weatherBean.setPm("PM:" + weatherInfo.getString("pm") + " " + weatherInfo.getString("pm-level"));
weatherBean.setTempCurrent(weatherInfo.getString("temp") + "°");
weatherBean.setWindCurrent(weatherInfo.getString("wd") + " " + weatherInfo.getString("ws"));
}
weatherBean.setWeek(getWeek(i, weatherInfo.getString("week")));
weatherBean.setTemp(weatherInfo.getString("temp" + i));
weatherBean.setWeather(weatherInfo.getString("weather" + i));
//? ? ? ? ? ? ? ? 將每天的天氣信息保存到集合中
list.add(weatherBean);
}
return list;
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
/**
* @param i
* @param week
* @return
*/
private String getWeek(int i, String week) {
int index = 0;
for (int j = 0; j < weekList.size(); j++) {
if (weekList.get(j).equals(week)) {
index = j;
break;
//? ? ? ? ? ? ? ? continue;
}
}
if (index + i < 8) {
index = index + i - 1;
} else {
index = index + i - 8;
}
return weekList.get(index);
}
}
NetUtils(網絡工具類):
package com.qianfeng.weather;
import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.URL;
import java.net.URLConnection;
public class NetUtils {
/**
* 監測是否有網
*/
public static boolean isActive(Context context) {
ConnectivityManager manager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo info = manager.getActiveNetworkInfo();
if (info != null) {
return info.isConnected();
}
return false;
}
/**
* 根據傳過來的接口地址，返回服務器吐出來的字符串
*/
public static String doGet(String uri) {
StringBuffer stringBuffer = new StringBuffer();
String result = null;
URLConnection connection = null;
InputStream inputStream = null;
try {
URL url = new URL(uri);
connection = url.openConnection();
connection.setConnectTimeout(10 * 1000);
inputStream = connection.getInputStream();
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream));
String line = bufferedReader.readLine();
while (line != null) {
stringBuffer.append(line);
line = bufferedReader.readLine();
}
result = stringBuffer.substring(stringBuffer.indexOf("(") + 1, stringBuffer.lastIndexOf(")"));
return result;
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
}
WeatherBean.java
package com.qianfeng.weather;
public class WeatherBean {
private String city;
private String cityId;
private String week;
private String temp;
private String date_y;
private String wind;
private String weather;
private String pm;
private String tempCurrent;
private String windCurrent;
public String getCity() {
return city;
}
public void setCity(String city) {
this.city = city;
}
public String getCityId() {
return cityId;
}
public void setCityId(String cityId) {
this.cityId = cityId;
}
public String getWeek() {
return week;
}
public void setWeek(String week) {
this.week = week;
}
public String getTemp() {
return temp;
}
public void setTemp(String temp) {
this.temp = temp;
}
public String getDate_y() {
return date_y;
}
public void setDate_y(String date_y) {
this.date_y = date_y;
}
public String getWind() {
return wind;
}
public void setWind(String wind) {
this.wind = wind;
}
public String getWeather() {
return weather;
}
public void setWeather(String weather) {
this.weather = weather;
}
public String getPm() {
return pm;
}
public void setPm(String pm) {
this.pm = pm;
}
public String getTempCurrent() {
return tempCurrent;
}
public void setTempCurrent(String tempCurrent) {
this.tempCurrent = tempCurrent;
}
public String getWindCurrent() {
return windCurrent;
}
public void setWindCurrent(String windCurrent) {
this.windCurrent = windCurrent;
}
}
3、主頁面XML布局如下：
activity_main.xml：
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@mipmap/background">
android:id="@+id/refresh_iv"
android:layout_width="40dp"
android:layout_height="40dp"
android:layout_margin="12dp"
android:background="@mipmap/refresh" />
android:id="@+id/search_iv"
android:layout_width="40dp"
android:layout_height="40dp"
android:layout_alignParentRight="true"
android:layout_margin="12dp"
android:background="@mipmap/search" />
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_marginTop="12dp"
android:gravity="center_horizontal"
android:orientation="vertical">
android:id="@+id/city_tv"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textColor="#FFF"
android:textSize="28sp" />
android:id="@+id/pm_tv"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textColor="#FFF"
android:textSize="20sp" />
android:id="@+id/line_view"
android:layout_width="match_parent"
android:layout_height="10dp"
android:background="#6BCD07" />
android:id="@+id/error_tv"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textColor="#F00"
android:textSize="20sp" />
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerVertical="true"
android:layout_marginLeft="12dp">
android:id="@+id/temp_tv"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textColor="#FFF"
android:textSize="40sp" />
android:id="@+id/weather_tv"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBottom="@+id/temp_tv"
android:layout_toRightOf="@+id/temp_tv"
android:textColor="#FFF" />
android:id="@+id/wind_tv"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/temp_tv"
android:textColor="#FFF" />
android:id="@+id/date_tv"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/wind_tv"
android:textColor="#FFF" />
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true">
android:id="@+id/other_ll"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="#6666"
android:orientation="horizontal">
item.xml(用在Java代碼動態加載后五天天氣信息Item小布局):
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center_horizontal"
android:orientation="vertical"
android:paddingLeft="5dp"
android:paddingRight="5dp">
android:id="@+id/tv_week_item"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="12dp"
android:layout_marginBottom="12dp"
android:text="星期三"
android:textColor="#FFF"
android:textSize="18sp" />
android:id="@+id/tv_weather_item"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="多云"
android:textColor="#FFF"
android:textSize="18sp" />
android:id="@+id/tv_temp_item"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="12dp"
android:layout_marginBottom="12dp"
android:text="20°C~29°C"
android:textColor="#FFF"
android:textSize="16sp" />
4、搜索頁面實現SearchActivity.java，主要包含XML解析，具體代碼如下：
SearchActivity.java
package com.qianfeng.weather;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.EditText;
import android.widget.ImageView;
import java.io.IOException;
import java.io.InputStream;
import java.util.Map;
public class SearchActivity extends AppCompatActivity {
private EditText auto = null;
private Map map = null;
private ImageView iv_search = null;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_search);
initData();
initView();
}
private void initView() {
auto = (EditText) findViewById(R.id.autoTV);
iv_search = (ImageView) findViewById(R.id.iv_search);
iv_search.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
String city = auto.getText().toString().trim();
String codeStr = map.get(city);
if (codeStr != null) {
int code = Integer.parseInt(codeStr);
SearchActivity.this.setResult(code);
finish();
} else {
auto.setText("中國沒有這樣的城市，請重新輸入"
+ "或"
+ "輸入內容不能為空");
}
}
});
}
private void initData() {
try {
InputStream is = getAssets().open("city_code.xml");
map = new XMLParser().getMap(is);
} catch (IOException e) {
e.printStackTrace();
}
}
}
XMLParser(XML解析工具類)
package com.qianfeng.weather;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;
import org.xmlpull.v1.XmlPullParserFactory;
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.security.Key;
import java.util.HashMap;
import java.util.Map;
import static java.net.Proxy.Type.HTTP;
public class XMLParser {
/**
*xml解析? pull? sax 。。。
*/
public Map getMap(InputStream is) {
Map map = new HashMap<>();
try {
XmlPullParserFactory factory = XmlPullParserFactory.newInstance();
XmlPullParser parser = factory.newPullParser();
parser.setInput(new BufferedReader(new InputStreamReader(is)));
//? ? ? ? ? ? parser.setInput(is,null);
//? ? ? ? ? ? XmlPullParser.END_DOCUMENT
//? ? ? ? ? ? XmlPullParser.START_DOCUMENT
//? ? ? ? ? ? XmlPullParser.START_TAG
//? ? ? ? ? ? XmlPullParser.END_TAG
//? ? ? ? ? ? XmlPullParser.TEXT
int eventType = parser.getEventType();
while (eventType != XmlPullParser.END_DOCUMENT) {
if (eventType == XmlPullParser.START_TAG) {
String name = parser.getName();
if ("key".equals(name)) {
String key = parser.nextText();
parser.next();
parser.next();
String value = parser.nextText();
map.put(key, value);
}
}
parser.next();
eventType = parser.getEventType();
}
} catch (Exception e) {
e.printStackTrace();
}
return map;
}
}
activity_search.xml(搜索頁面布局)
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@mipmap/background"
android:padding="5dp"
android:orientation="vertical" >
android:id="@+id/iv_search"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_marginRight="17dp"
android:src="@mipmap/search" />
android:id="@+id/autoTV"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentEnd="true"
android:layout_alignParentRight="true"
android:layout_marginEnd="41dp"
android:layout_marginRight="41dp"
android:hint="請輸入城市" />
5、AndroidManifest清單文件如下：
package="com.qianfeng.weather">
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:roundIcon="@mipmap/ic_launcher_round"
android:supportsRtl="true"
android:theme="@style/AppTheme">
7、加載網絡不好轉圈動畫用的自定義幀動畫pb_bg.xml，具體代碼如下：
android:drawable="@mipmap/pb00"
android:duration="200"/>
android:drawable="@mipmap/pb01"
android:duration="200"/>
android:drawable="@mipmap/pb02"
android:duration="200"/>
android:drawable="@mipmap/pb03"
android:duration="200"/>
android:drawable="@mipmap/pb04"
android:duration="200"/>
android:drawable="@mipmap/pb05"
android:duration="200"/>
android:drawable="@mipmap/pb06"
android:duration="200"/>
android:drawable="@mipmap/pb07"
android:duration="200"/>
android:drawable="@mipmap/pb08"
android:duration="200"/>
android:drawable="@mipmap/pb09"
android:duration="200"/>
android:drawable="@mipmap/pb10"
android:duration="200"/>
android:drawable="@mipmap/pb11"
android:duration="200"/>
6、資源圖片等具體代碼可參考本人共享發送上傳代碼資源Weather.zip
總結
以上是生活随笔為你收集整理的android天气预报实训程序清单,Android天气预报项目的全部內容，希望文章能夠幫你解決所遇到的問題。
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