现在可以下载公告中的附件了

cbwang2016 · Dec 3, 2018 · 82eba83 · 82eba83
1 parent 4f4899a
commit 82eba83
Show file tree

Hide file tree

Showing 3 changed files with 53 additions and 4 deletions.
diff --git a/app/src/main/java/edu_cn/pku/course/activities/WebViewActivity.java b/app/src/main/java/edu_cn/pku/course/activities/WebViewActivity.java
@@ -303,6 +303,7 @@ protected void onPostExecute(String message) {
  Toast.makeText(getApplicationContext(), "File downloaded at: " + message, Toast.LENGTH_LONG).show();
 
  openFile(message);
+ finish();
  }
  }
 }
diff --git a/app/src/main/java/edu_cn/pku/course/adapter/AnnouncementBodyAdapter.java b/app/src/main/java/edu_cn/pku/course/adapter/AnnouncementBodyAdapter.java
@@ -1,10 +1,17 @@
 package edu_cn.pku.course.adapter;
 
 
+import android.app.Activity;
+import android.content.Intent;
+import android.net.Uri;
 import android.os.Build;
 import android.support.annotation.NonNull;
 import android.support.v7.widget.RecyclerView;
 import android.text.Html;
+import android.text.SpannableStringBuilder;
+import android.text.method.LinkMovementMethod;
+import android.text.style.ClickableSpan;
+import android.text.style.URLSpan;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -13,14 +20,18 @@
 import java.util.ArrayList;
 
 import edu_cn.pku.course.activities.R;
+import edu_cn.pku.course.activities.WebViewActivity;
+import edu_cn.pku.course.fragments.AnnouncementBodyFragment;
 import edu_cn.pku.course.fragments.AnnouncementListFragment;
 
 public class AnnouncementBodyAdapter extends RecyclerView.Adapter<AnnouncementBodyAdapter.RecyclerViewHolder> {
 
  private ArrayList<AnnouncementListFragment.AnnouncementInfo> announcementBodyList;
+ private AnnouncementBodyFragment mContext;
 
- public AnnouncementBodyAdapter(ArrayList<AnnouncementListFragment.AnnouncementInfo> announcementBodyList) {
+ public AnnouncementBodyAdapter(ArrayList<AnnouncementListFragment.AnnouncementInfo> announcementBodyList, AnnouncementBodyFragment context) {
  this.announcementBodyList = announcementBodyList;
+ mContext = context;
  }
 
  public void updateList(ArrayList<AnnouncementListFragment.AnnouncementInfo> announcementBodyList) {
@@ -42,12 +53,49 @@ public void onBindViewHolder(@NonNull final RecyclerViewHolder holder, final int
  holder.announcement_date_str.setText(announcementBodyList.get(holder.getAdapterPosition()).getAnnouncementDate());
 
  if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
- holder.announcement_contents.setText(Html.fromHtml(announcementBodyList.get(holder.getAdapterPosition()).getContents(), Html.FROM_HTML_MODE_COMPACT));
+// holder.announcement_contents.setText(Html.fromHtml(announcementBodyList.get(holder.getAdapterPosition()).getContents(), Html.FROM_HTML_MODE_COMPACT));
  holder.announcement_author.setText(Html.fromHtml(announcementBodyList.get(holder.getAdapterPosition()).getAuthorInfo(), Html.FROM_HTML_MODE_COMPACT));
  } else {
- holder.announcement_contents.setText(Html.fromHtml(announcementBodyList.get(holder.getAdapterPosition()).getContents()));
+// holder.announcement_contents.setText(Html.fromHtml(announcementBodyList.get(holder.getAdapterPosition()).getContents()));
  holder.announcement_author.setText(Html.fromHtml(announcementBodyList.get(holder.getAdapterPosition()).getAuthorInfo()));
  }
+ setTextViewHTML(holder.announcement_contents, announcementBodyList.get(holder.getAdapterPosition()).getContents());
+ }
+
+ private void makeLinkClickable(SpannableStringBuilder strBuilder, final URLSpan span) {
+ int start = strBuilder.getSpanStart(span);
+ int end = strBuilder.getSpanEnd(span);
+ int flags = strBuilder.getSpanFlags(span);
+ ClickableSpan clickable = new ClickableSpan() {
+ public void onClick(@NonNull View view) {
+ String url = span.getURL();
+ if (url.startsWith("http://course.pku.edu.cn")) {
+ Intent intent = new Intent(mContext.getActivity(), WebViewActivity.class);
+ Activity activity = mContext.getActivity();
+ if (activity != null) {
+ intent.putExtra("Title", "正在打开链接...");
+ intent.putExtra("WebViewUrl", url.replaceFirst("http://course.pku.edu.cn", ""));
+ }
+ mContext.startActivity(intent);
+ } else {
+ Intent browserIntent = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
+ mContext.startActivity(browserIntent);
+ }
+ }
+ };
+ strBuilder.setSpan(clickable, start, end, flags);
+ strBuilder.removeSpan(span);
+ }
+
+ private void setTextViewHTML(TextView text, String html) {
+ CharSequence sequence = Html.fromHtml(html.replaceAll("\n", ""));
+ SpannableStringBuilder strBuilder = new SpannableStringBuilder(sequence);
+ URLSpan[] urls = strBuilder.getSpans(0, sequence.length(), URLSpan.class);
+ for (URLSpan span : urls) {
+ makeLinkClickable(strBuilder, span);
+ }
+ text.setText(strBuilder);
+ text.setMovementMethod(LinkMovementMethod.getInstance());
  }
 
  @Override

diff --git a/app/src/main/java/edu_cn/pku/course/fragments/AnnouncementBodyFragment.java b/app/src/main/java/edu_cn/pku/course/fragments/AnnouncementBodyFragment.java
@@ -78,7 +78,7 @@ public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container,
  announcementId = "";
  return linearLayout;
  }
- adapter = new AnnouncementBodyAdapter(new ArrayList<AnnouncementListFragment.AnnouncementInfo>());
+ adapter = new AnnouncementBodyAdapter(new ArrayList<AnnouncementListFragment.AnnouncementInfo>(), this);
  mRecyclerView.setLayoutManager(new LinearLayoutManager(getContext()));
  mRecyclerView.setAdapter(adapter);
  announcementId = getActivity().getIntent().getStringExtra("AnnouncementId");