package com
.weishitech
.jtwzjiaotongcx
.fragment
.lilv;
import
android.app
.AlertDialog;
import
android.text
.Html;
import
android.view
.LayoutInflater;
import
android.view
.View;
import
android.widget
.TextView;
import
android.widget
.Toast;
import
androidx
.recyclerview
.widget
.GridLayoutManager;
import
androidx
.recyclerview
.widget
.RecyclerView;
import com
.google
.common
.reflect
.TypeToken;
import com
.google
.gson
.Gson;
import com
.weishitech
.jtwzjiaotongcx
.R;
import com
.weishitech
.jtwzjiaotongcx
.adtakubase
.activity
.BaseBindActivity;
import com
.weishitech
.jtwzjiaotongcx
.bean
.Question;
import com
.weishitech
.jtwzjiaotongcx
.databinding
.ActivityDetailsBinding;
import com
.weishitech
.jtwzjiaotongcx
.fragment
.Adapter
.AnswerStatusAdapter;
import com
.weishitech
.jtwzjiaotongcx
.utils
.OnMultiClickListener;
import java
.lang
.reflect
.Type;
import java
.util
.List;
public class AnswerDetailActivity extends BaseBindActivity<ActivityDetailsBinding> {
private List<Question
.DataBean> questionList;
private RecyclerView recyclerView;
private AnswerStatusAdapter adapter;
@Override
protected void init
() {
mBinding
.ivBack
.setOnClickListener
(new OnMultiClickListener
() {
@Override
public void onMultiClick
(View v
) {
finish
();
}
}
);
recyclerView = mBinding
.rv;
recyclerView
.setLayoutManager
(new GridLayoutManager
(this, 10
)); // 每行10个题号
parseData
();
setupAdapter
();
}
private void parseData
() {
String json = getIntent
().getStringExtra
("questionList"
);
if
(json == null || json
.isEmpty
()) {
Toast
.makeText
(this, "数据加载失败", Toast
.LENGTH_SHORT
).show
();
finish
();
return;
}
Type type = new TypeToken<List<Question
.DataBean>>
(){}
.getType
();
questionList = new Gson
().fromJson
(json, type
);
}
private void setupAdapter
() {
adapter = new AnswerStatusAdapter
(questionList, position -> {
showQuestionDetailDialog
(position
);
}
);
recyclerView
.setAdapter
(adapter
);
}
private void showQuestionDetailDialog
(int position
) {
Question
.DataBean q = questionList
.get
(position
);
AlertDialog
.Builder builder = new AlertDialog
.Builder
(this
);
View dialogView = LayoutInflater
.from
(this
).inflate
(R
.layout
.dialog_question_detail, null
);
builder
.setView
(dialogView
);
TextView tvTitle = dialogView
.findViewById
(R
.id
.tv_question_title
);
TextView tvUserAnswer = dialogView
.findViewById
(R
.id
.tv_user_answer
);
TextView tvCorrectAnswer = dialogView
.findViewById
(R
.id
.tv_correct_answer
);
TextView tvAnalysis = dialogView
.findViewById
(R
.id
.tv_analysis
);
TextView btnClose = dialogView
.findViewById
(R
.id
.btn_close
);
tvTitle
.setText
((position + 1
) + "
. " + q
.getTitle
());
String userAns = q
.getShowAnswer
();
if
(!userAns
.isEmpty
()) {
tvUserAnswer
.setText
(userAns
);
} else {
tvUserAnswer
.setText
("未作答"
);
}
tvCorrectAnswer
.setText
(q
.getAnswer
());
if
(android.os
.Build
.VERSION
.SDK_INT >=
android.os
.Build
.VERSION_CODES
.N
) {
tvAnalysis
.setText
(Html
.fromHtml
(q
.getAnalysis
(), Html
.FROM_HTML_MODE_LEGACY
));
} else {
tvAnalysis
.setText
(Html
.fromHtml
(q
.getAnalysis
()));
}
AlertDialog dialog = builder
.create
();
btnClose
.setOnClickListener
(v -> dialog
.dismiss
());
dialog
.show
();
}
}package com
.weishitech
.jtwzjiaotongcx
.fragment
.Adapter;
import
android.graphics
.Color;
import
android.view
.LayoutInflater;
import
android.view
.View;
import
android.view
.ViewGroup;
import
android.widget
.Button;
import
android.widget
.LinearLayout;
import
androidx
.annotation
.NonNull;
import
androidx
.recyclerview
.widget
.RecyclerView;
import com
.weishitech
.jtwzjiaotongcx
.R;
import com
.weishitech
.jtwzjiaotongcx
.bean
.Question;
import java
.util
.List;
public class AnswerStatusAdapter extends RecyclerView
.Adapter<AnswerStatusAdapter
.ViewHolder> {
private final List<Question
.DataBean> questions;
private final OnItemClickListener listener;
public interface OnItemClickListener {
void onItemClick
(int position
);
}
public AnswerStatusAdapter
(List<Question
.DataBean> questions, OnItemClickListener listener
) {
this
.questions = questions;
this
.listener = listener;
}
@NonNull
@Override
public ViewHolder onCreateViewHolder
(@NonNull ViewGroup parent, int viewType
) {
Button button = new Button
(parent
.getContext
());
LinearLayout
.LayoutParams params = new LinearLayout
.LayoutParams
(
0, // width: 权重分配
180,
1
.0f
);
params
.setMargins
(8, 8, 8, 8
);
button
.setLayoutParams
(params
);
button
.setTextSize
(14
);
button
.setAllCaps
(false
); // 关闭大写转换
return new ViewHolder
(button
);
}
@Override
public void onBindViewHolder
(@NonNull ViewHolder holder, int position
) {
Button button = holder
.button;
Question
.DataBean data = questions
.get
(position
);
String userAnswer = data
.getShowAnswer
();
button
.setText
(String
.valueOf
(position + 1
));
if
(userAnswer
.isEmpty
()) {
// 未答：白底黑框
button
.setBackground
Color(Color.WHITE
);
button
.setTextColor(Color.BLACK
);
button
.setBackgroundResource
(R
.drawable
.bg_answer_unanswered
);
} else if
(userAnswer
.equals
(data
.getAnswer
())) {
// 正确：蓝底白字圆角
button
.setBackgroundResource
(R
.drawable
.bg_answer_correct
);
button
.setTextColor(Color.WHITE
);
} else {
// 错误：红底白字圆角
button
.setBackgroundResource
(R
.drawable
.bg_answer_wrong
);
button
.setTextColor(Color.WHITE
);
}
button
.setOnClickListener
(v -> listener
.onItemClick
(position
));
}
@Override
public int getItemCount
() {
return questions
.size
();
}
static class ViewHolder extends RecyclerView
.ViewHolder {
Button button;
public ViewHolder
(Button button
) {
super
(button
);
this
.button = button;
}
}
}
没有显示数据‘
本文介绍了一种在Android中设置按钮字体颜色的正确方法。通常，直接使用setTextColor(R.color.x)可能无法生效，正确的做法是使用button.setTextColor(getResources().getColorStateList(R.color.orange_text));来实现颜色的更改。
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