需要帮助，方向不会更改为横向的 xml 文件，如果我设置 onConfiguration Changed 来更改内容视图，我会丢失所有数据。关于如何改变方向的任何想法都使用相同的数据，但使用不同的 xml 文件夹。xml 文件都是正确的，并且位于正确的文件夹中。布局和布局-土地
public class ArticleDetailFragment extends Fragment {
@Override
public void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setHasOptionsMenu(true);
Bundle detailBundle = getArguments();
clickedArticleID = detailBundle.getLong(ArticleFragment.CLICKED_ARTICLE_ID);
uri = Uri.parse(ArticleContentProvider.CONTENT_URI + "/" + clickedArticleID);
parent = (SlidingArea) getActivity();
parent.getSupportActionBar().setDisplayShowCustomEnabled(false);
parent.getSupportActionBar().setDisplayHomeAsUpEnabled(true);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View V = inflater.inflate(R.layout.kpmg_fragment_article_detail, null);
reportBar = (LinearLayout) V.findViewById(R.id.kpmg_article_detail_report_bar);
emailBar = (LinearLayout) V.findViewById(R.id.kpmg_article_detail_email_bar);
//progressBar = (ProgressBar) V.findViewById(R.id.progress);
image = (ImageView) V.findViewById(R.id.kpmg_article_detail_image);
downloadReportImage = (ImageView) V.findViewById(R.id.kpmg_article_detail_download_report_image);
contactAuthorImage = (ImageView) V.findViewById(R.id.kpmg_article_detail_contact_author_image);
textTitle = (TextView) V.findViewById(R.id.kpmg_article_detail_title);
textDate = (TextView) V.findViewById(R.id.kpmg_article_detail_date);
textCategory = (TextView) V.findViewById(R.id.kpmg_article_detail_category);
textContent = (TextView) V.findViewById(R.id.kpmg_article_detail_content);
textPDFSize = (TextView) V.findViewById(R.id.kpmg_article_detail_file_size);
return V;
}
@Override
public void onResume() {
// TODO Auto-generated method stub
super.onResume();
parent.getSupportActionBar().setCustomView(R.layout.kpmg_actionbar_article_detail_view);
parent.getSupportActionBar().setDisplayShowCustomEnabled(true);
parent.getSupportActionBar().setDisplayHomeAsUpEnabled(true);
String[] projection = { ArticleTable.TABLE_NAME + "." + ArticleTable.ID,
ArticleTable.TABLE_NAME + "." + ArticleTable.TITLE,
ArticleTable.TABLE_NAME + "." + ArticleTable.DATE_PUBLISHED,
ArticleTable.TABLE_NAME + "." + ArticleTable.CONTENT,
ArticleTable.TABLE_NAME + "." + ArticleTable.IMAGE_URL,
ArticleTable.TABLE_NAME + "." + ArticleTable.SLUG,
ArticleTable.TABLE_NAME + "." + ArticleTable.PDF_SIZE,
ArticleTable.TABLE_NAME + "." + ArticleTable.PDF_URL,
ArticleTable.TABLE_NAME + "." + ArticleTable.CONTACT_EMAIL,
ArticleTable.TABLE_NAME + "." + ArticleTable.IS_FAVOURITE,
ArticleTable.TABLE_NAME + "." + ArticleTable.SHARE_URL,
ArticleTable.TABLE_NAME + "." + ArticleTable.VIDEO_URL,
ArticleCategoryTable.TABLE_NAME + "." + ArticleCategoryTable.CATEGORY_NAME,
ArticleCategoryTable.TABLE_NAME + "." + ArticleCategoryTable.ICON_NAME};
String selection = ArticleTable.TABLE_NAME + "." + ArticleTable.ID + "=?";
String[] selectionArgs = new String[] {"" + clickedArticleID};
Cursor row = parent.getContentResolver().query(ArticleJoinContentProvider.CONTENT_URI, projection, selection, selectionArgs, null);
if (row.moveToFirst()) {
textTitle.setText(row.getString(row.getColumnIndexOrThrow( ArticleTable.TITLE)));
emailSubject = textTitle.getText().toString();
String dateStr = row.getString(row.getColumnIndexOrThrow(ArticleTable.DATE_PUBLISHED));
String formattedDate = AppHelper.calculateRelativeDate(dateStr);
textDate.setText(formattedDate + " - ");
textCategory.setText(row.getString(row.getColumnIndexOrThrow( ArticleCategoryTable.CATEGORY_NAME)));
textContent.setText(row.getString(row.getColumnIndexOrThrow( ArticleTable.CONTENT)));
textPDFSize.setText(row.getString(row.getColumnIndexOrThrow( ArticleTable.PDF_SIZE)));
parent.imageLoader.DisplayImage(row.getString(row.getColumnIndexOrThrow( ArticleTable.IMAGE_URL)), image, false);
//Check if PDF Exists based on slug name
pdfURL = row.getString(row.getColumnIndexOrThrow(ArticleTable.PDF_URL));
Log.i("pdf",pdfURL);
slug = row.getString(row.getColumnIndexOrThrow(ArticleTable.SLUG));
if (pdfURL == null || pdfURL.equals("")) {
reportBar.setVisibility(View.GONE);
}
contactEmail = row.getString(row.getColumnIndexOrThrow(ArticleTable.CONTACT_EMAIL));
if (contactEmail == null || contactEmail.equals("")) {
emailBar.setVisibility(View.GONE);
}
shareURL = row.getString(row.getColumnIndexOrThrow(ArticleTable.SHARE_URL));
videoURL = row.getString(row.getColumnIndexOrThrow(ArticleTable.VIDEO_URL));
}
row.close();
if (!(pdfURL == null || pdfURL.equals(""))) {
File file = new File(Environment.getExternalStorageDirectory()+"/" + slug + ".pdf");
if (file.exists()) {
downloadReportImage.setImageResource(R.drawable.kpmg_image_open_report);
downloadReportImage.setOnTouchListener(new View.OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
if (event.getAction() == android.view.MotionEvent.ACTION_DOWN) {
downloadReportImage.setImageResource(R.drawable.kpmg_image_open_report_pressed);
showPdf(slug);
} else if (event.getAction() == android.view.MotionEvent.ACTION_UP) {
downloadReportImage.setImageResource(R.drawable.kpmg_image_open_report);
}
return true;
}
});
} else {
downloadReportImage.setOnTouchListener(new View.OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
if (event.getAction() == android.view.MotionEvent.ACTION_DOWN) {
if (isNetworkAvailable()) {
pDialog = new ProgressDialog(parent);
pDialog.setMessage("Downloading file. Please wait...");
pDialog.setIndeterminate(false);
pDialog.setMax(100);
pDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
pDialog.setCancelable(true);
downloadReportImage.setImageResource(R.drawable.kpmg_image_download_report_pressed);
new DownloadFileFromURL().execute(pdfURL);
}
else {
Toast toast = Toast.makeText( parent , "You are not connected to the internet. Please check your connection, or try again later",
Toast.LENGTH_SHORT);
toast.show();
}
} else if (event.getAction() == android.view.MotionEvent.ACTION_UP) {
downloadReportImage.setImageResource(R.drawable.kpmg_image_download_report);
}
return true;
}
});
}
}
if (!(contactEmail == null || contactEmail.equals(""))) {
contactAuthorImage.setOnTouchListener(new View.OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
if (event.getAction() == android.view.MotionEvent.ACTION_DOWN) {
contactAuthorImage.setImageResource(R.drawable.kpmg_image_contact_author_pressed);
Intent emailIntent = new Intent(Intent.ACTION_SEND);
emailIntent.setType("message/rfc822");
emailIntent.putExtra(Intent.EXTRA_EMAIL , new String[]{contactEmail});
emailIntent.putExtra(Intent.EXTRA_SUBJECT, emailSubject);
try {
startActivity(Intent.createChooser(emailIntent, "Contact the author"));
} catch (android.content.ActivityNotFoundException ex) {
Toast.makeText(parent, "There are no email clients installed.", Toast.LENGTH_SHORT).show();
}
} else if (event.getAction() == android.view.MotionEvent.ACTION_UP) {
contactAuthorImage.setImageResource(R.drawable.kpmg_image_contact_author);
}
return true;
}
});
}
final View shareDivider = (View) parent.findViewById(R.id.divider1);
final ImageView shareButton = (ImageView) parent.findViewById(R.id.kpmg_actionbar_image_share);
if (shareURL == null || shareURL.equals("")) {
shareDivider.setVisibility(View.GONE);
shareButton.setVisibility(View.GONE);
}
else {
shareButton.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
Intent i = new Intent(Intent.ACTION_SEND);
i.setType("text/plain");
i.putExtra(Intent.EXTRA_SUBJECT, "Sharing URL");
i.putExtra(Intent.EXTRA_TITLE, "This is the Title");
i.putExtra(Intent.EXTRA_TEXT, shareURL);
startActivity(Intent.createChooser(i, "Share URL"));
}
});
}
final ImageView favouriteButton = (ImageView) parent.findViewById(R.id.kpmg_actionbar_image_favourite);
projection = new String[] {ArticleTable.TABLE_NAME + "." + ArticleTable.ID, ArticleTable.TABLE_NAME + "." + ArticleTable.IS_FAVOURITE};
selection = ArticleTable.TABLE_NAME + "." + ArticleTable.ID + "=?";
selectionArgs = new String[] {"" + clickedArticleID};
Cursor articleRow = parent.getContentResolver().query(ArticleContentProvider.CONTENT_URI, projection, selection, selectionArgs, null);
articleRow.moveToFirst();
if (articleRow.getInt(articleRow.getColumnIndexOrThrow( ArticleTable.IS_FAVOURITE )) == 1) {
Log.i("Status","Is Favourite");
favouriteButton.setImageResource(R.drawable.kpmg_actionbar_favourite);
} else {
Log.i("Status","Is Not Favourite");
favouriteButton.setImageResource(R.drawable.kpmg_actionbar_not_favourite);
}
articleRow.close();
favouriteButton.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
String[] projection = new String[] {ArticleTable.TABLE_NAME + "."
+ ArticleTable.ID, ArticleTable.TABLE_NAME + "."
+ ArticleTable.IS_FAVOURITE};
String selection = ArticleTable.TABLE_NAME + "." + ArticleTable.ID + "=?";
String[] selectionArgs = new String[] {"" + clickedArticleID};
Cursor articleRow = parent.getContentResolver().query(ArticleContentProvider.CONTENT_URI, projection, selection, selectionArgs, null);
articleRow.moveToFirst();
ContentValues values = new ContentValues();
if (articleRow.getInt(articleRow.getColumnIndexOrThrow(ArticleTable.IS_FAVOURITE)) == 1) {
//Is favourite currently
values.put(ArticleTable.IS_FAVOURITE, 0);
parent.getContentResolver().update(uri, values, null, null);
favouriteButton.setImageResource(R.drawable.kpmg_actionbar_not_favourite);
} else {
//Is not favourite currently
values.put(ArticleTable.IS_FAVOURITE, 1);
parent.getContentResolver().update(uri, values, null, null);
favouriteButton.setImageResource(R.drawable.kpmg_actionbar_favourite);
}
articleRow.close();
}
});
if (videoURL.length() > 0) {
image.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse(videoURL)));
}
});
}
}
}