编辑：所以我尝试应用旋转支持，但每次我旋转我的设备时，对话框都会弹出任何关于我做错了什么的想法，或者为什么它不能阻止对话框在方向改变时显示？
package com.ondrovic.bbym;
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import android.app.Activity;
import android.app.Dialog;
import android.app.ProgressDialog;
import android.content.Context;
import android.content.Intent;
import android.content.res.Configuration;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.Environment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.LinearLayout;
import android.widget.TextView;
public abstract class Dashboard extends Activity {
public static final boolean usePrettyGoodSolution = false;
private ProgressDialog PROGRESS_BAR;
private Download task = null;
private static final int PROGRESS = 0;
public static File rDIR = Environment.getExternalStorageDirectory();
public static final String fDIR = "/Android/data/Bestbuy Mobile/database/";
public static final String fNAME = "bestbuy.db";
public static final String fURL = "http://db.tt/5JTRpA8q";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
task = (Download) getLastNonConfigurationInstance();
}
@Override
public Object onRetainNonConfigurationInstance() {
task.detach();
return (task);
}
@Override
public void onDestroy() {
super.onDestroy();
}
@Override
public void onPause() {
super.onPause();
}
@Override
public void onRestart() {
super.onRestart();
}
@Override
public void onResume() {
super.onResume();
}
@Override
public void onStart() {
super.onStart();
}
@Override
public void onStop() {
super.onStop();
}
public void onClickHome(View v) {
goHome(this);
}
public void onClickUpdate(View v) {
dbDIR(fDIR);
//new Download().execute(fURL);
if (task == null) {
task = new Download(this);
task.execute(fURL);
} else {
task.attach(this);
}
}
public void onClickEmail(View v) {
// title_bar email : price quotes :-)
if (getTitle().toString().equals("Individual")) {
try {
Intent email = new Intent(Intent.ACTION_SEND);
email.setType("message/rfc822");
email.putExtra(Intent.EXTRA_SUBJECT,
"BBYM Individual Plan Comparison");
email.putExtra(Intent.EXTRA_TEXT, "\nAT&T Individual Plan"
+ "\nMinutes Package: " + Individual_ATT.packageTalk
+ "\nMessage Package: " + Individual_ATT.packageText
+ "\nData Package: " + Individual_ATT.packageData
+ "\nPrice: " + Individual_ATT.packagePrice
+ "\n\nSprint Individual Plan" + "\nPackage: "
+ Individual_SPRINT.packageInfo + "\nPrice: "
+ Individual_SPRINT.packagePrice
+ "\n\nVerizon Individual Plan" + "\nPackage: "
+ Individual_VERIZON.packageTalk + "\nData: "
+ Individual_VERIZON.packageData + "\nPrice: "
+ Individual_VERIZON.packagePrice);
try {
startActivity(Intent
.createChooser(email, "Send Comparison"));
} catch (android.content.ActivityNotFoundException ex) {
}
} catch (Exception e) {
}
}
if (getTitle().toString().equals("Family")) {
try {
Intent email = new Intent(Intent.ACTION_SEND);
email.setType("message/rfc822");
email.putExtra(Intent.EXTRA_SUBJECT,
"BBYM Family Plan Comparison");
email.putExtra(Intent.EXTRA_TEXT, "\nAT&T Family Plan"
+ "\nMinutes Pacakge: "
+ Family_ATT.packageTalk
+ "\nMessage Package: "
+ Family_ATT.packageText
+ "\nAdditional Lines: "
+ Family_ATT.packageXtraLn
+ "\nData Package Line 1: "
+ Family_ATT.packageData1
+ "\nData Package Line 2: "
+ Family_ATT.packageData2
+ "\nData Package Line 3: "
+ Family_ATT.packageData3
+ "\nData Pacakge Line 4: "
+ Family_ATT.packageData4
+ "\nData Package Line 5: "
+ Family_ATT.packageData5
+ "\nPrice: "
+ Family_ATT.packagePrice
+ "\n\nSprint Family Plan"
+ "\nPacakge: "
+ Family_SPRINT.packageInfo
+ "\nAdditional Lines: "
+ Family_SPRINT.packageXtraLn
+ "\nLine 1 Type: "
+ Family_SPRINT.packageLine1
+ "\nLine 1 Data: "
+ Family_SPRINT.dataPriceL1
+ "\nLine 2 Type: "
+ Family_SPRINT.packageLine2
+ "\nLine 2 Data: "
+ Family_SPRINT.dataPriceL2
+ "\nLine 3 Type: "
+ Family_SPRINT.packageLine3
+ "\nLine 3 Data: "
+ Family_SPRINT.dataPriceL3
+ "\nLine 4 Type: "
+ Family_SPRINT.packageLine4
+ "\nLine 4 Data: "
+ Family_SPRINT.dataPriceL4
+ "\nLine 5 Type: "
+ Family_SPRINT.packageLine5
+ "\nLine 5 Data: "
+ Family_SPRINT.dataPriceL5
+ "\nPrice: "
+ Family_SPRINT.packagePrice
+ "\n\nVerzon Family Plan"
+ "\nPackage: "
+ Family_VERIZON.packageTalk
+ "\nAdditional Lines: "
+ Family_VERIZON.packageXtraLn
+ "\nData Pacakge Line 1: "
+ Family_VERIZON.packageData1
+ "\nData Pacakge Line 2: "
+ Family_VERIZON.packageData2
+ "\nData Pacakge Line 3: "
+ Family_VERIZON.packageData3
+ "\nData Pacakge Line 4: "
+ Family_VERIZON.packageData4
+ "\nData Pacakge Line 5: "
+ Family_VERIZON.packageData5
+ "\nPrice: "
+ Family_VERIZON.packagePrice);
try {
startActivity(Intent
.createChooser(email, "Send Comparison"));
} catch (android.content.ActivityNotFoundException ex) {
}
} catch (Exception e) {
}
}
if (getTitle().toString().equals("Broadband")) {
try {
Intent email = new Intent(Intent.ACTION_SEND);
email.setType("message/rfc822");
email.putExtra(Intent.EXTRA_SUBJECT,
"BBYM Broadband Plan Comparison");
email.putExtra(Intent.EXTRA_TEXT, "\nAT&T Broadband Plan"
+ "\nPackage: " + Broadband_ATT.pacakgeData
+ "\nPrice: " + Broadband_ATT.packagePrice
+ "\n\nSprint Broadband Plan" + "\nPackage: "
+ Broadband_SPRINT.pacakgeData + "\nPrice: "
+ Broadband_SPRINT.packagePrice
+ "\n\nVerizon Broadband Plans" + "\nPacakge: "
+ Broadband_VERIZON.pacakgeData + "\nPrice: "
+ Broadband_VERIZON.packagePrice);
try {
startActivity(Intent
.createChooser(email, "Send Comparison"));
} catch (android.content.ActivityNotFoundException ex) {
}
} catch (Exception e) {
}
}
if (getTitle().toString().equals("Embedded")) {
try {
Intent email = new Intent(Intent.ACTION_SEND);
email.setType("message/rfc822");
email.putExtra(Intent.EXTRA_SUBJECT,
"BBYM Embedded Plan Comparison");
// email.putExtra(Intent.EXTRA_TEXT, Html.fromHtml(new
// StringBuilder()
// .append("<p><b>BBYM Embedded Plan Comparison</b></p>")
// .append("<p>This is a test</>") .toString()));
try {
startActivity(Intent
.createChooser(email, "Send Comparison"));
} catch (android.content.ActivityNotFoundException ex) {
}
} catch (Exception e) {
}
}
}
public void goHome(Context context) {
final Intent intent = new Intent(context, Home.class);
intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
context.startActivity(intent);
}
@Override
public void setContentView(int layoutID) {
if (!usePrettyGoodSolution) {
super.setContentView(layoutID);
return;
}
@SuppressWarnings("unused")
Configuration c = getResources().getConfiguration();
int size = c.screenLayout & Configuration.SCREENLAYOUT_SIZE_MASK;
boolean isLarge = (size == Configuration.SCREENLAYOUT_SIZE_LARGE);
boolean isXLarge = (size == Configuration.SCREENLAYOUT_SIZE_XLARGE);
boolean addFrame = isLarge || isXLarge;
// if (isLarge) System.out.println ("Large screen");
// if (isXLarge) System.out.println ("XLarge screen");
int finalLayoutId = addFrame ? R.layout.large : layoutID;
super.setContentView(finalLayoutId);
if (addFrame) {
LinearLayout frameView = (LinearLayout) findViewById(R.id.frame);
if (frameView != null) {
// If the frameView is there, inflate the layout given as an
// argument.
// Attach it as a child to the frameView.
LayoutInflater li = ((Activity) this).getLayoutInflater();
View childView = li.inflate(layoutID, null);
if (childView != null) {
LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(
ViewGroup.LayoutParams.MATCH_PARENT,
ViewGroup.LayoutParams.MATCH_PARENT, 1.0F);
frameView.addView(childView, lp);
// childView.setBackgroundResource (R.color.background1);
}
}
}
}
public void setTitleFromActivityLabel(int textViewID) {
TextView tv = (TextView) findViewById(textViewID);
if (tv != null) {
tv.setText(getTitle());
}
}
@Override
protected Dialog onCreateDialog(int id) {
switch (id) {
case PROGRESS:
PROGRESS_BAR = new ProgressDialog(this);
PROGRESS_BAR.setTitle("Updater");
PROGRESS_BAR.setMessage("Updating database");
PROGRESS_BAR.setIndeterminate(false);
PROGRESS_BAR.setMax(100);
PROGRESS_BAR.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
PROGRESS_BAR.setCancelable(false);
PROGRESS_BAR.show();
return PROGRESS_BAR;
default:
return null;
}
}
class Download extends AsyncTask<String, String, String> {
Dashboard activity = null;
Download(Dashboard activity) {
attach(activity);
}
@Override
protected void onPreExecute() {
super.onPreExecute();
showDialog(PROGRESS);
}
@Override
protected String doInBackground(String... aurl) {
try {
URL url = new URL(fURL);
HttpURLConnection con = (HttpURLConnection) url
.openConnection();
con.setRequestMethod("GET");
con.setDoOutput(true);
con.connect();
int fSIZE = con.getContentLength();
FileOutputStream out = new FileOutputStream(new File(rDIR
+ fDIR, fNAME));
InputStream in = con.getInputStream();
byte[] buffer = new byte[1024];
int len = 0;
long total = 0;
while ((len = in.read(buffer)) > 0) {
total += len;
publishProgress("" + (int) ((total * 100) / fSIZE));
out.write(buffer, 0, len);
}
out.close();
} catch (Exception e) {
}
return null;
}
@Override
protected void onProgressUpdate(String... progress) {
if (activity == null) {
} else {
PROGRESS_BAR.setProgress(Integer.parseInt(progress[0]));
}
//PROGRESS_BAR.setProgress(Integer.parseInt(progress[0]));
}
@Override
protected void onPostExecute(String fURL) {
dismissDialog(PROGRESS);
}
void detach() {
activity = null;
}
void attach(Dashboard activity) {
this.activity = activity;
}
}
public void dbDIR(String dirName) {
File nDIR = new File(rDIR + dirName);
if (!nDIR.exists()) {
nDIR.mkdirs();
}
}
}