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beyond-clouds-android
Commit 521f8863 by 段启岩
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话题解析和着色完成

parent 5ac2e857
Showing with 104 additions and 30 deletions
app/src/main/java/cn/yunliyunwai/beyondclouds/adapter/DynamicListRecyclerViewAdapter.java
package cn.yunliyunwai.beyondclouds.adapter;
import android.text.Spannable;
import android.text.SpannableString;
import android.text.SpannableStringBuilder;
import android.text.TextPaint;
import android.text.TextUtils;
import android.text.method.LinkMovementMethod;
import android.text.style.ClickableSpan;
import android.view.View;
import android.widget.TextView;
import android.widget.Toast;
import androidx.annotation.NonNull;
import com.chad.library.adapter.base.BaseQuickAdapter;
import com.chad.library.adapter.base.BaseViewHolder;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import cn.yunliyunwai.beyondclouds.data.model.Post;
import cn.yunliyunwai.beyondclouds.databinding.PostItemBinding;
import cn.yunliyunwai.beyondclouds.util.DateUtils;
......@@ -11,6 +29,23 @@ import cn.yunliyunwai.beyondclouds.util.GlideRoundTransform;
public class DynamicListRecyclerViewAdapter extends BaseQuickAdapter<Post,BaseViewHolder> {
static class TopicLink {
private TopicLink(String topic, int start, int end) {
this.topic = topic;
this.start = start;
this.end = end;
}
private int start;
private int end;
private String topic;
public static TopicLink of(String topic, int start, int end) {
return new TopicLink(topic, start, end);
}
}
private static final Pattern TOPIC_LINK_PATTERN = Pattern.compile("<a href=.+>(#.+#)</a>");
private static final GlideRoundTransform glideRoundTransform = new GlideRoundTransform(3);
public DynamicListRecyclerViewAdapter(int layoutResId) {
super(layoutResId);
......@@ -20,24 +55,51 @@ public class DynamicListRecyclerViewAdapter extends BaseQuickAdapter<Post,BaseVi
protected void convert(BaseViewHolder helper, Post post) {
PostItemBinding binding = PostItemBinding.bind(helper.itemView);
binding.txtTitle.setText(post.getContent());
binding.txtAbstract.setText(post.getContent());
parseAndSetContent(binding.txtContent, post.getContent());
binding.txtAuthor.setText(post.getUserNick());
binding.txtCreateTime.setText(DateUtils.format(post.getCreateTime()));
/*if (null != post.getCover() && !TextUtils.isEmpty(post.getCover().trim()) && post.getCover().startsWith("http")) {
binding.blogCover.setVisibility(View.VISIBLE);
RequestOptions options = new RequestOptions()
.centerCrop()
.placeholder(R.drawable.pre_load_blog)
.error(R.drawable.pre_load_blog)
.priority(Priority.HIGH)
.skipMemoryCache(true)
.diskCacheStrategy(DiskCacheStrategy.NONE)
.transform(glideRoundTransform);
Glide.with(binding.getRoot()).applyDefaultRequestOptions(options).load(post.getCover()).into(binding.blogCover);
} else {
binding.blogCover.setVisibility(View.GONE);
}*/
}
static class TopicLinkClickable extends ClickableSpan {
@Override
public void onClick(@NonNull View widget) {
Toast.makeText(widget.getContext(), "点击了话题", Toast.LENGTH_SHORT).show();
}
@Override
public void updateDrawState(@NonNull TextPaint ds) {
ds.setUnderlineText(false);
ds.setColor(ds.linkColor);
}
}
private void parseAndSetContent(TextView textView, String content) {
SpannableStringBuilder builder = new SpannableStringBuilder();
List<TopicLink> topicLinkList = new ArrayList<>(10);
Matcher matcher = TOPIC_LINK_PATTERN.matcher(content);
while (matcher.find()) {
String topic = matcher.group(1);
topicLinkList.add(TopicLink.of(topic, matcher.start(), matcher.end()));
}
int currentIndex = 0;
for (TopicLink topicLink: topicLinkList) {
String plainText = content.substring(currentIndex, topicLink.start);
if (!TextUtils.isEmpty(plainText)) {
builder.append(plainText);
}
SpannableString topicSpannable = new SpannableString(topicLink.topic);
topicSpannable.setSpan(new TopicLinkClickable(),0, topicSpannable.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
builder.append(topicSpannable);
currentIndex = topicLink.end;
}
if (currentIndex != content.length()) {
builder.append(content.substring(currentIndex));
}
textView.setText(builder);
textView.setMovementMethod(LinkMovementMethod.getInstance());
}
}
\ No newline at end of file
app/src/main/res/color/color_topic_link.xml 0 → 100644
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:color="@color/colorPrimaryTouched" android:state_pressed="true"/>
<item android:color="@color/colorPrimary"/>
</selector>
\ No newline at end of file
app/src/main/res/layout/post_item.xml
......@@ -15,15 +15,12 @@
<TextView
android:id="@+id/txt_title"
android:layout_width="wrap_content"
android:layout_height="22dp"
android:text="SpringBoot迭代发布JRA瘦身配置"
android:textSize="16sp"
android:textColor="@color/colorTextAccent"
android:layout_height="wrap_content"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<androidx.constraintlayout.widget.Barrier
android:id="@+id/barrier_title"
android:id="@+id/barrier_user_info"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:barrierDirection="bottom"
......@@ -32,23 +29,25 @@
tools:layout_editor_absoluteY="16dp" />
<TextView
android:id="@+id/txt_abstract"
android:id="@+id/txt_content"
android:layout_marginTop="10dp"
android:layout_width="0dp"
android:text="SpringBoot迭代发布JRA瘦身配置"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:maxHeight="55dp"
android:textSize="12sp"
android:paddingEnd="10dp"
android:paddingRight="10dp"
android:text="我们所处的时代我们所处的时代我们所处的时代我们所处的时代我们所处的时代我们所处的时代我们所处的时代我们所处的时代"
app:layout_constraintTop_toBottomOf="@id/barrier_title"
android:textSize="16sp"
android:textColorHint="@color/colorPrimaryTouched"
android:linksClickable="true"
android:textColorHighlight="@color/colorBackgroundTopicTouched"
android:textColorLink="@color/color_topic_link"
android:textColor="@color/colorTextAccent"
app:layout_constraintTop_toBottomOf="@id/barrier_user_info"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintEnd_toStartOf="@id/blog_cover"/>
<ImageView
android:layout_marginTop="10dp"
android:id="@+id/blog_cover"
app:layout_constraintTop_toBottomOf="@id/barrier_title"
app:layout_constraintTop_toBottomOf="@id/barrier_user_info"
app:layout_constraintEnd_toEndOf="parent"
android:layout_width="82dp"
android:layout_height="55dp"
......
app/src/main/res/values/colors.xml
<?xml version="1.0" encoding="utf-8"?>
<resources>
<color name="colorPrimary">#00AAE6</color>
<color name="colorPrimaryTouched">#00AAFF</color>
<color name="colorPrimaryDark">#333333</color>
<color name="colorAccent">#03DAC5</color>
<!-- <color name="colorBackground">#EDF5F8</color>-->
......@@ -11,4 +12,5 @@
<color name="colorText">#999999</color>
<color name="colorGray">#666666</color>
<color name="colorTextAccent">#333333</color>
<color name="colorBackgroundTopicTouched">#3000AAE6</color>
</resources>
app/src/main/res/values/styles.xml
......@@ -40,4 +40,8 @@
<item name="android:layout_height">6dp</item>
<item name="android:textSize">0sp</item>
</style>
<style name="BeyondTopic">
<item name="android:textColor">@color/color_topic_link</item>
</style>
</resources>
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