Android 实现简单天气应用

package org.qxj.iweather.page;

import org.qxj.iweather.R;

import android.app.Activity;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.util.Log;
import android.view.ViewGroup.LayoutParams;
import android.widget.LinearLayout;
import android.widget.ViewFlipper;

public class Welcome extends Activity {

private static final String TAG = "Welcome";
private SharedPreferences shared = null;
private SharedPreferences.Editor edit = null;
private LinearLayout layout = null;
private ViewFlipper flip = null;
private LayoutParams match = new LayoutParams(LayoutParams.MATCH_PARENT,
LayoutParams.MATCH_PARENT);
private String isFirst = "false";
private Intent intent = null;

class TurnPage implements Runnable {

@Override
public void run() {
// TODO Auto-generated method stub
try {
Thread.sleep(5000);
TurnToMain();
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}

}

@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
this.shared = super.getSharedPreferences("IWeather", MODE_PRIVATE);
this.edit = this.shared.edit();

this.layout = new LinearLayout(this);
this.layout.setOrientation(LinearLayout.VERTICAL);

this.flip = new ViewFlipper(this);
this.layout.addView(this.flip, match);
this.layout.setBackgroundResource(R.drawable.welcome);
super.addContentView(this.layout, match);

isFirst = this.shared.getString("isFirst", "true");
Log.i(TAG, "isFirst: " + isFirst);
if ("true".equals(isFirst)) {
this.edit.putString("isFirst", "false");
this.edit.commit();
new Thread(new TurnPage()).start();
} else {
// 进行跳转
TurnToMain();
}

}

public void TurnToMain() {
// 进行跳转
intent = new Intent(Welcome.this, Main.class);
startActivity(intent);
// 销毁该Activity，返回的时候，不会返回该界面。
this.finish();
}

}

package org.qxj.iweather.page;

import org.qxj.iweather.R;
import org.qxj.iweather.Contents.IWeather;
import org.qxj.iweather.net.HttpHelper;

import android.app.Activity;
import android.os.Bundle;
import android.view.GestureDetector;
import android.view.GestureDetector.OnGestureListener;
import android.view.MotionEvent;
import android.view.ViewGroup.LayoutParams;
import android.view.animation.AnimationUtils;
import android.widget.LinearLayout;

public class Main extends Activity implements OnGestureListener {

private IWeather iWeather = null;
private LinearLayout layout = null;
private GestureDetector detector;
private LayoutParams match = new LayoutParams(LayoutParams.MATCH_PARENT,
LayoutParams.MATCH_PARENT);

@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
this.layout = new LinearLayout(this);
detector = new GestureDetector(this);
this.iWeather = new IWeather(this);
this.layout.addView(this.iWeather.flip, match);
this.addContentView(this.layout, match);
iWeather.flip.addView(new PageLayout(this, "101301301"));
iWeather.flip.addView(new PageLayout(this, "101010100"));
iWeather.flip.addView(new PageLayout(this, "101260101"));
iWeather.flip.addView(new PageLayout(this, "101190501"));
iWeather.flip.addView(new PageLayout(this, "101190101"));
iWeather.flip.addView(new PageLayout(this, "101170101"));
}

@Override
public boolean onTouchEvent(MotionEvent event) {
return this.detector.onTouchEvent(event);
}

@Override
public boolean onDown(MotionEvent arg0) {
// TODO Auto-generated method stub
return false;
}

@Override
public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX,
float velocityY) {
// TODO Auto-generated method stub
if (e1.getX() - e2.getX() > 80) {
iWeather.flip.setInAnimation(AnimationUtils.loadAnimation(this,
R.anim.push_left_in));
iWeather.flip.setOutAnimation(AnimationUtils.loadAnimation(this,
R.anim.push_left_out));
iWeather.flip.showNext();
return true;
} else if (e1.getX() - e2.getX() < -80) {
iWeather.flip.setInAnimation(AnimationUtils.loadAnimation(this,
R.anim.push_right_in));
iWeather.flip.setOutAnimation(AnimationUtils.loadAnimation(this,
R.anim.push_right_out));
iWeather.flip.showPrevious();
return true;
}
return false;
}

@Override
public void onLongPress(MotionEvent arg0) {
// TODO Auto-generated method stub

}

@Override
public boolean onScroll(MotionEvent arg0, MotionEvent arg1, float arg2,
float arg3) {
// TODO Auto-generated method stub
return false;
}

@Override
public void onShowPress(MotionEvent arg0) {
// TODO Auto-generated method stub

}

@Override
public boolean onSingleTapUp(MotionEvent arg0) {
// TODO Auto-generated method stub
return false;
}

}

package org.qxj.iweather.page;

import org.qxj.iweather.R;
import org.qxj.iweather.model.Weather;
import org.qxj.iweather.net.HttpHelper;

import android.content.Context;
import android.os.Handler;
import android.os.Message;
import android.util.AttributeSet;
import android.view.LayoutInflater;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.widget.Toast;

public class PageLayout extends LinearLayout {

private Weather weather = null;
private Context context = null;
private TextView temperature = null;
private TextView city = null;
private TextView statues = null;
private TextView date = null;
public Handler hander = new Handler() {

@Override
public void handleMessage(Message msg) {
// TODO Auto-generated method stub
super.handleMessage(msg);
switch (msg.what) {
case 1:
weather = (Weather) msg.obj;
init();
break;
case 0:
Toast.makeText(context, "数据操作失败！", Toast.LENGTH_SHORT).show();
break;
}
}

};

public PageLayout(Context context, String city) {
super(context);
this.context = context;
new Thread(new HttpHelper(city, this)).start();
}

public PageLayout(Context context, AttributeSet attrs, String city) {
super(context, attrs);
this.context = context;
new Thread(new HttpHelper(city, this)).start();
}

public PageLayout(Context context, AttributeSet attrs, int defStyle, String city) {
super(context, attrs, defStyle);
this.context = context;
new Thread(new HttpHelper(city, this)).start();
}

private void init() {
LayoutInflater inflater = (LayoutInflater) context
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
inflater.inflate(R.layout.page_layout, this);
this.temperature = (TextView) findViewById(R.id.tempearture);
this.city = (TextView) findViewById(R.id.city);
this.statues = (TextView) findViewById(R.id.statues);
this.date = (TextView) findViewById(R.id.date);

this.temperature.setText(this.weather.getTemp1());
this.city.setText(this.weather.getCity());
this.statues.setText(this.weather.getWeather1());
this.date.setText(this.weather.getDate_y());
this.setBackgroundByWeather(this.weather.getWeather1());
}

/**
* 设置屏幕背景
*/
private void setBackgroundByWeather(String w) {
if (w.indexOf("雪") != -1) {
// 有雪的天气
this.setBackgroundResource(R.drawable.snow);
} else if (w.indexOf("雨") != -1) {
// 下雨天
this.setBackgroundResource(R.drawable.rain);
} else if (w.indexOf("晴") != -1) {
// 晴
this.setBackgroundResource(R.drawable.sun);
} else if (w.indexOf("阴") != -1) {
// 阴天
this.setBackgroundResource(R.drawable.water);
} else {
this.setBackgroundResource(R.drawable.sun);
}
}

}