Android 基于股票的一个Android应用(内含源码)-IT计算机-毕业设计.zip

package com.flygis.gold; import java.io.File; import java.io.InputStream; import java.io.RandomAccessFile; import java.net.HttpURLConnection; import java.net.URL; import java.util.HashMap; import java.util.Map; import java.util.UUID; import java.util.regex.Matcher; import java.util.regex.Pattern; import javax.xml.parsers.DocumentBuilder; import javax.xml.parsers.DocumentBuilderFactory; import javax.xml.parsers.ParserConfigurationException; import org.w3c.dom.Document; import org.w3c.dom.Element; import org.w3c.dom.Node; import org.w3c.dom.NodeList; import org.xml.sax.SAXException; import com.flygis.gold.R; import android.app.Activity; import android.content.Context; import android.content.pm.ActivityInfo; //import android.database.sqlite.SQLiteDatabase; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.net.ConnectivityManager; import android.net.NetworkInfo; import android.os.Bundle; import android.os.Environment; import android.os.Handler; import android.os.Message; import android.util.DisplayMetrics; import android.view.GestureDetector; import android.view.GestureDetector.SimpleOnGestureListener; import android.view.KeyEvent; import android.view.Menu; import android.view.MenuItem; import android.view.MotionEvent; import android.view.View; import android.view.View.OnTouchListener; import android.view.Window; import android.view.WindowManager; import android.widget.Button; import android.widget.EditText; import android.widget.ImageView; import android.widget.LinearLayout; import android.widget.ProgressBar; import android.widget.Toast; public class main extends Activity implements OnTouchListener{ private DBhelp db; private static final int INSERT_ID_Quit = 0; private static final int INSERT_ID_Prev = 1; private static final int INSERT_ID_Next = 2; private static final int INSERT_ID_Update = 3; private static final int INSERT_ID_Config = 4; private static final String goldDir = "/mnt/sdcard/gold/"; private ProgressBar downloadbar; //同时更新多个文件，进度叠加 private static int iallmax=0; private static int icurpro=0; private ImageView img; private int fileSize = 0; private Map<Integer, String> PicData; private int iCur = 0; private int icount = 0; private static int ii=0; private Bitmap nopicbit; private EditText edt; private Button badd; private Button bCls; private Button bbck; private Handler handler = new Handler(){ @Override public void handleMessage(Message msg) { switch (msg.what) { case 1: int size = msg.getData().getInt("size"); icurpro += size; //float result = (float)size/ (float)downloadbar.getMax(); //int p = (int)(result*100); //Toast.makeText(main.this,p+"%", 1).show(); downloadbar.setProgress(icurpro); //Toast.makeText(main.this,downloadbar.getProgress() + "//" + downloadbar.getMax(),1).show(); if(downloadbar.getProgress()==iallmax){//downloadbar.getMax()){ //downloadbar.setVisibility(4); downloadbar.setProgress(0); iallmax = 0; icurpro = 0; downloadbar.setMax(0); } break; case 2: int isize = msg.getData().getInt("size"); iallmax += isize; downloadbar.setMax(iallmax); //Toast.makeText(main.this,"文件大小："+isize+"字节", 1).show(); break; case 3: String errostr = msg.getData().getString("info"); String urlpath = msg.getData().getString("path"); Toast.makeText(main.this,urlpath + " 更新错误：" + errostr, 1).show(); break; case 4: String urlpath1 = msg.getData().getString("path"); Toast.makeText(main.this, urlpath1 + " 更新完成", 1).show(); break; case -1: break; } } }; private GestureDetector gd; //用于捕捉touch的详细手势(gesture) /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);; HideStatusBar(); setContentView(R.layout.main); img = (ImageView)this.findViewById(R.id.img); img.setOnClickListener(new ImageView.OnClickListener() { @Override public void onClick(View arg0) { openOptionsMenu(); } }); gd = new GestureDetector (this, new GDetector()); //创建一个GestureDetector实例，下文重写其onFling()方法 //tv_log = (TextView) findViewById(R.id.tv_log); //没啥特别，用于显示调试信息的TextView //img = (ImageView) findViewById(R.id.ImageView01); //我要用手指蹂躏的那张图片 img.setOnTouchListener(this); //这里如果没有 implements OnTouchListener 会报错 img.setLongClickable(true); //不加这个滑动就没反应了 nopicbit = BitmapFactory.decodeResource(getResources(), R.drawable.wutu); downloadbar = (ProgressBar)this.findViewById(R.id.progress); PicData = new HashMap<Integer, String>(); PicData.clear(); ReadXML(); icount = PicData.size(); try { ShowPic(); } catch (Exception e) { Toast.makeText(main.this, "没有图片", 1).show(); //throw new RuntimeException("没有图片"); } } // 创建OptionsMenu publi c bool ean onCreateOpti onsMenu(Menu menu) // 处理选择事件publi c bool ean onOpti onsIt emSel ect ed(MenuIt em i t em) public boolean onCreateOptionsMenu(Menu menu) { boolean result = super.onCreateOptionsMenu(menu); menu.add(0, INSERT_ID_Quit, 0, "退出"); menu.add(0, INSERT_ID_Prev, 0, "上一个"); menu.add(0, INSERT_ID_Next, 0, "下一个"); menu.add(0, INSERT_ID_Update, 0, "更新"); //menu.add(0, INSERT_ID_Config, 0, "配置"); return result; }// 创建菜单 public boolean onTouch(View v, MotionEvent event) { //把touch的event传递给gestureListener处理 return gd.onTouchEvent(event); } class GDetector extends SimpleOnGestureListener { //GDetector 名字是随便起的 @Override public boolean onFling( MotionEvent e1, //按下时的状态,位置 MotionEvent e2, //松手时的状态，位置 float vx, //x坐标的移动速度，单位: px/秒 float vy){ //y坐标的移动速度 if((e1.getX()-e2.getX()>200) && (Math.abs(vx)>50)) { //滑动速度足够快至少50点/秒，手指起落点减起点是正值且>200 判断属于向左滑动 //tv_log.setText("Fling to Left.\n"+tv_log.getText()); //debug.输出到 tv_log //iv.setImageResouce(...); //向左划的时候如何怎样切换图片..略.. if (iCur < icount - 1){ iCur ++; ShowPic(); } else{ Toast.makeText(main.this, "已经最后一个了", 1).show(); } }else if ((e2.getX()-e1.getX()>200) && (Math.abs(vx)>50)) { //同理判断是向右滑动 //tv_log.setText("Fling to Right.\n"+tv_log.getText()); //debug if (iCur > 0){ iCur --; String imgname = PicData.get(iCur); imgname = imgname.substring(imgname.lastIndexOf('/') + 1); File f=new File(goldDir + imgname); if(f.exists()) { Bitmap bit = BitmapFactory.decodeFile(goldDir + imgname); img.setImageBitmap(bit); }else{ img.setImageBitmap(nopicbit); } } else{ Toast.makeText(main.this, "已经第一个了", 1).show(); } } return true; } //随着我指尖在屏幕上的游走不断地输出onScroll 的信息， //最后onScroll() 和 onFling() 我都用上了， Scroll 的时候随手指的移动切换，当手指松开之后用Fling实现惯性的切换，这样就显得相当的自然了 :-) public boolean onScroll( MotionEvent e1, //按下时的状态,位置 MotionEvent e2, //松手时的状态，位置 float dx, //注意！这里不是速度，是距离了！ float dy){ //y的距离，单位px return true; //tv_log.setText("moved"+(e1.getX()-e2.getX())+" distanceX "+ dx + ".\n"+tv_log.getText()); //debug } } private void UpdatePic() { if( !isNetworkAvailable( this) ){ Toast.makeText(main.this, "没有网络连接可用", 1).show(); return; } if (icount<=0){ Toast.makeText(main.this, "Config Error", 1).show(); return;