Zi 字媒體

Android中抓取與使用Sessions   利用java的httpclicent+httpget+thread 讓程式可以執行Sessions和下次使用Sessions。   package com.example.framelayout_http_getsessions; import com.example.framelayout_http_getsessions.MainActivity; import com.example.framelayout_http_getsessions.MainActivity.ButListener; import android.os.Bundle; import android.os.Handler; import android.app.Activity; import android.view.Menu; /////////////////////////////// import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.util.List; import java.util.Timer; import java.util.TimerTask; import org.apache.http.HttpEntity; import org.apache.http.HttpResponse; import org.apache.http.client.ClientProtocolException; import org.apache.http.client.methods.HttpGet; import org.apache.http.cookie.Cookie; import org.apache.http.impl.client.DefaultHttpClient; import org.apache.http.protocol.HTTP; import org.apache.http.util.EntityUtils; /////////////////////////////////////// import android.view.View; import android.util.AttributeSet; import android.util.DisplayMetrics; import android.util.Log; import android.view.Gravity; import android.view.Window; import android.view.WindowManager; import android.webkit.MimeTypeMap; import android.webkit.WebView; import android.widget.Button; import android.widget.FrameLayout; import android.widget.ImageView; import android.widget.MediaController; import android.widget.PopupWindow; import android.widget.SeekBar; import android.widget.TextView; import android.widget.Toast; import android.widget.VideoView; import android.view.*; import android.view.View.*; import android.widget.*; import android.view.ViewGroup.MarginLayoutParams; import android.app.ActionBar.LayoutParams; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.content.SharedPreferences; import android.database.Cursor; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.Color; import android.graphics.drawable.BitmapDrawable; import android.graphics.drawable.ShapeDrawable; import android.graphics.drawable.shapes.OvalShape; import android.app.DownloadManager; import android.app.DownloadManager.Request; import android.net.Uri; public class MainActivity extends Activity { FrameLayout FrameLayout1; DisplayMetrics metrics; TextView TextView1; Button Button1; //WebView WebView1; String SDPATH; Thread thread; int check; int work_select;//0->get sessions 1->get data long filesize,downloadsize; Handler mHandlerTime; int FILESIZE = 4 * 1024; String Strresult; String Strcookie; String get_result; private DownloadManager downloadManager; private SharedPreferences prefs; private static final String DL_ID = "downloadId"; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); ///////////////////////////////////////// requestWindowFeature(Window.FEATURE_NO_TITLE); //全螢幕設定 getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN); metrics = new DisplayMetrics();//抓取螢幕大小 getWindowManager().getDefaultDisplay().getMetrics(metrics); ///////////////////////////////////////// FrameLayout1 = new FrameLayout(this); FrameLayout.LayoutParams lparam1 = new FrameLayout.LayoutParams(metrics.widthPixels,metrics.heightPixels); FrameLayout1.setLayoutParams(lparam1); this.setContentView(FrameLayout1); //////////////////////////////////////// Button1=new Button(this); FrameLayout.LayoutParams layoutParams_Button = new FrameLayout.LayoutParams(metrics.widthPixels/4, metrics.heightPixels/4); layoutParams_Button.gravity = Gravity.LEFT|Gravity.TOP; layoutParams_Button.leftMargin = 0;//X layoutParams_Button.topMargin = 0;//Y Button1.setLayoutParams(layoutParams_Button); Button1.setText("下載"); FrameLayout1.addView(Button1); TextView1=new TextView(this); FrameLayout.LayoutParams layoutParams_TextView = new FrameLayout.LayoutParams(metrics.widthPixels/4, metrics.heightPixels/4); layoutParams_TextView.gravity = Gravity.LEFT|Gravity.TOP; layoutParams_TextView.leftMargin = 0;//X layoutParams_TextView.topMargin = metrics.heightPixels/4;//Y TextView1.setLayoutParams(layoutParams_TextView); TextView1.setText("請點選 下載按鈕"); FrameLayout1.addView(TextView1); check=0; filesize=0; downloadsize=0; work_select=0;//0->get sessions 1->get data get_result="error"; mHandlerTime = new Handler(); Button1.setOnClickListener(new ButListener()); } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.main, menu); return true; } public Runnable mDownload = new Runnable() { @Override public void run() { String REMOTE_FILE_URL=new String(); if(work_select==0)//0->get sessions 1->get data { REMOTE_FILE_URL="http://jashliao.pixnet.net/sessions/develop/usb/jl200001"; } else { REMOTE_FILE_URL="http://jashliao.pixnet.net/tw/my_channel_ktv/main"; } int BUFFER = 1024; DefaultHttpClient httpClient = new DefaultHttpClient(); HttpGet httpGet = new HttpGet(REMOTE_FILE_URL); if(work_select==1)//0->get sessions 1->get data { httpGet.setHeader("Cookie", Strcookie); } try { HttpResponse response = httpClient.execute(httpGet); HttpEntity entity = response.getEntity(); //===================== if(work_select==0)//0->get sessions 1->get data { Strresult = EntityUtils.toString(entity, HTTP.UTF_8); //獲得Cookie List<Cookie> cookies = httpClient.getCookieStore().getCookies(); if (!cookies.isEmpty()) { get_result="get cookie ok..."; for (int i = 0; i < cookies.size(); i++) { Cookie cookie = cookies.get(i); Strcookie = cookie.getName() + "=" + cookie.getValue() + ";domain=" + cookie.getDomain(); } get_result=Strcookie; } else { get_result="get cookie error"; } } else { get_result = EntityUtils.toString(entity, HTTP.UTF_8); } //===================== if(work_select==0)//0->get sessions 1->get data { work_select++; } else { work_select=0; } } catch(ClientProtocolException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } finally { //httpGet.releaseConnection(); httpClient.getConnectionManager().shutdown(); check=1; } } }; private final Runnable timerRun = new Runnable() { public void run() { if( (thread!=null) && (check==0)) { String StrPercent="目前下載百分比:"+String.valueOf( (((float)downloadsize/(float)filesize) *100))+"%"; TextView1.setText(""); TextView1.append("下載中請稍後....\n"); TextView1.append(StrPercent); mHandlerTime.postDelayed(this, 1000); } if( (thread!=null) && (check==1)) { TextView1.setText(""); TextView1.append("下載完成\n"); TextView1.append("請到指令目錄查看\n"); TextView1.append(get_result); thread.interrupt(); thread=null; Button1.setEnabled(true); } // 若要取消可以寫一個判斷在這決定��否啟動下一次即可 } }; class ButListener implements OnClickListener { public void onClick(View v) { if(work_select==0)//0->get sessions 1->get data { Toast.makeText(MainActivity.this, "準備 利用執行緒 取得Sessions... ", Toast.LENGTH_SHORT).show(); } else { Toast.makeText(MainActivity.this, "準備 利用執行緒 取得Data...", Toast.LENGTH_SHORT).show(); } Button1.setEnabled(false); thread =new Thread(mDownload); thread.start(); mHandlerTime.postDelayed(timerRun, 1000); } } }