Shuhai
.java:package com
.jd
.projects
.wlw
.shuhai;
import android
.app
.AlertDialog;
import android
.content
.Intent;
import android
.os
.Bundle;
import android
.support
.v7
.app
.AppCompatActivity;
import android
.util
.Log;
import android
.view
.LayoutInflater;
import android
.view
.View;
import android
.widget
.ArrayAdapter;
import android
.widget
.Button;
import android
.widget
.FrameLayout;
import android
.widget
.GridLayout;
import android
.widget
.ImageView;
import android
.widget
.ListView;
import android
.widget
.ProgressBar;
import android
.widget
.TextView;
import android
.widget
.Toast;
import com
.android
.volley
.AuthFailureError;
import com
.android
.volley
.DefaultRetryPolicy;
import com
.android
.volley
.NoConnectionError;
import com
.android
.volley
.ParseError;
import com
.android
.volley
.Request;
import com
.android
.volley
.RequestQueue;
import com
.android
.volley
.ServerError;
import com
.android
.volley
.TimeoutError;
import com
.android
.volley
.VolleyError;
import com
.android
.volley
.toolbox
.JsonObjectRequest;
import com
.android
.volley
.toolbox
.Volley;
import com
.bumptech
.glide
.Glide;
import com
.bumptech
.glide
.load
.resource
.drawable
.GlideDrawable;
import com
.bumptech
.glide
.request
.RequestListener;
import com
.bumptech
.glide
.request
.target
.Target;
import org
.json
.JSONArray;
import org
.json
.JSONException;
import org
.json
.JSONObject;
import
java.io
.UnsupportedEncodingException;
import
java.net
.URLEncoder;
import
java.text
.SimpleDateFormat;
import
java.util
.ArrayList;
import
java.util
.Calendar;
import
java.util
.Collections;
import
java.util
.HashSet;
import
java.util
.List;
import
java.util
.Set;
import com
.jd
.projects
.wlw
.R;
public class Shuhai extends AppCompatActivity {
private TextView nAme;
private ListView dateList;
private String currentStationId;
private String stationName;
// private static final boolean TEST_MODE = false;
// private static final String TEST_STATION_ID = "20220811001";
// private static final String TEST_STATION_NAME = "测试监测点";
private GridLayout imageGrid;
private ProgressBar progressBar;
private RequestQueue requestQueue;
private static final String REQUEST_TAG = "ShuhaiRequest";
private String currentDate;
private Button btnYear, btnMonth;
private int currentYear;
private int currentMonth;
private Button deviceLocationBtn;
private Button spButton;
private ZoomImageView1 fullImageView; // 用于全屏显示
private FrameLayout fullscreenContainer;
@Override
protected void onCreate(Bundle savedInstanceState) {
super
.onCreate(savedInstanceState);
try {
setContentView(R
.layout
.shuhai);
imageGrid = (GridLayout) findViewById(R
.id
.image_grid);
fullscreenContainer = (FrameLayout) findViewById(R
.id
.fullscreen_container);
fullImageView = (ZoomImageView1) findViewById(R
.id
.fullscreen_imageview);
// Log
.d("GkdActivity", "Activity created");
} catch (Exception e) {
// Log
.e("GkdActivity", "Error setting content view", e);
Toast
.makeText(this, "加载界面失败", Toast
.LENGTH_SHORT)
.show
();
finish
();
return;
}
// 初始化WebView
initFullscreenContainer
();
// 控件初始化区域
View fanHui = findViewById(R
.id
.fanHui);
fanHui
.setOnClickListener(v -> finish
());
nAme = (TextView) findViewById(R
.id
.nAme);
dateList = (ListView) findViewById(R
.id
.date_list);
imageGrid = (GridLayout) findViewById(R
.id
.image_grid);
progressBar = (ProgressBar) findViewById(R
.id
.progressBar);
// 新增设备定位按钮初始化
Button deviceLocationBtn = (Button) findViewById(R
.id
.device_location);
deviceLocationBtn
.setOnClickListener(v -> {
Intent resultIntent = new Intent
();
resultIntent
.putExtra("action", "show_location");
resultIntent
.putExtra("site_id", currentStationId);
setResult(RESULT_OK, resultIntent);
finish
();
});
// Volley请求队列初始化
requestQueue = Volley
.newRequestQueue(this);
// 年月选择初始化
btnYear = (Button) findViewById(R
.id
.btn_year);
btnMonth = (Button) findViewById(R
.id
.btn_month);
initYearMonthSelection
();
// 数据处理
handleIntentData
();
// Log
.d("GkdActivity", "Station ID
: " + currentStationId);
// Log
.d("GkdActivity", "Station Name
: " + stationName);
// 名称显示处理
if (stationName != null) {
nAme
.setText(stationName);
} else {
nAme
.setText("监测点信息");
}
// 加载初始数据
loadDatesForCurrentMonth
();
spButton = (Button) findViewById(R
.id
.Sp);
spButton
.setOnClickListener(v -> {
// 创建跳转到ShuhaiSPActivity的Intent
Intent intent = new Intent(Shuhai
.this, ShuhaiSp
.class);
// 传递当前监测点信息
if (currentStationId != null) {
intent
.putExtra("nsiteid", currentStationId);
}
if (stationName != null) {
intent
.putExtra("sitealiasname", stationName);
}
// 添加额外数据（如果需要）
intent
.putExtra("currentDate", currentDate);
intent
.putExtra("currentYear", currentYear);
intent
.putExtra("currentMonth", currentMonth);
// 启动新Activity
startActivity(intent);
});
}
private void initFullscreenContainer
() {
// 设置关闭全屏的按钮事件
findViewById(R
.id
.close_fullscreen)
.setOnClickListener(v -> {
fullscreenContainer
.setVisibility(View
.GONE);
});
}
private void initYearMonthSelection
() {
Calendar calendar = Calendar
.getInstance
();
currentYear = calendar
.get(Calendar
.YEAR);
currentMonth = calendar
.get(Calendar
.MONTH) + 1; // 转换为1-12格式
updateYearMonthButtons
();
btnYear
.setOnClickListener(v -> showYearPicker
());
btnMonth
.setOnClickListener(v -> showMonthPicker
());
}
private void updateYearMonthButtons
() {
btnYear
.setText(String
.valueOf(currentYear));
btnMonth
.setText(String
.format("%02d", currentMonth));
}
private void showYearPicker
() {
final List<Integer> years = new ArrayList<>
();
int startYear = currentYear - 9;
int endYear = currentYear + 9;
for (int i = startYear; i <= endYear; i++) years
.add(i);
new AlertDialog
.Builder(this)
.setTitle("选择年份")
.setAdapter(new ArrayAdapter<>(this, android
.R
.layout
.simple_list_item_1, years),
(dialog, which) -> {
currentYear = years
.get(which);
updateYearMonthButtons
();
loadDatesForCurrentMonth
();
})
.show
();
}
private void showMonthPicker
() {
new AlertDialog
.Builder(this)
.setTitle("选择月份")
.setItems(new String[]{"01", "02", "03", "04", "05", "06", "07", "08", "09", "10", "11", "12"},
(dialog, which) -> {
currentMonth = which + 1;
updateYearMonthButtons
();
loadDatesForCurrentMonth
();
})
.show
();
}
private void loadDatesForCurrentMonth
() {
try {
// 使用动态获取的站点ID
String deviceCode = URLEncoder
.encode(currentStationId, "UTF-8");
Calendar cal = Calendar
.getInstance
();
cal
.set(currentYear, currentMonth - 1, 1, 0, 0, 0);
String startTime = new SimpleDateFormat("yyyy-MM-dd HH
:mm
:ss")
.format(cal
.getTime
());
cal
.set(Calendar
.DAY_OF_MONTH, cal
.getActualMaximum(Calendar
.DAY_OF_MONTH));
cal
.set(Calendar
.HOUR_OF_DAY, 23);
cal
.set(Calendar
.MINUTE, 59);
cal
.set(Calendar
.SECOND, 59);
String endTime = new SimpleDateFormat("yyyy-MM-dd HH
:mm
:ss")
.format(cal
.getTime
());
String url = "http
://nyzbwlw
.com/situation/http/device/mouse/getMouseList" +
"?deviceCode=" + deviceCode +
"&startTime=" + URLEncoder
.encode(startTime, "UTF-8") +
"&endTime=" + URLEncoder
.encode(endTime, "UTF-8") +
"&size=10000";
progressBar
.setVisibility(View
.VISIBLE);
JsonObjectRequest request = new JsonObjectRequest(
Request
.Method
.GET,
url,
null,
this
::handleDateResponse,
this
::handleDateError);
request
.setRetryPolicy(new DefaultRetryPolicy(15000, 3, 1
.5f));
requestQueue
.add(request);
} catch (Exception e) {
progressBar
.setVisibility(View
.GONE);
Toast
.makeText(this, "时间参数错误", Toast
.LENGTH_SHORT)
.show
();
}
}
private void handleIntentData
() {
Intent intent = getIntent
();
if (intent != null) {
currentStationId = intent
.getStringExtra("nsiteid");
stationName = intent
.getStringExtra("sitealiasname");
// Log
.d("GkdActivity", "Received nsiteid
: " + currentStationId);
// Log
.d("GkdActivity", "Received sitealiasname
: " + stationName);
if (currentStationId == null || currentStationId
.isEmpty
()) {
Toast
.makeText(this, "未获取到监测点ID", Toast
.LENGTH_SHORT)
.show
();
setResult(RESULT_CANCELED);
supportFinishAfterTransition
();
return;
}
} else {
Toast
.makeText(this, "未获取到启动参数", Toast
.LENGTH_SHORT)
.show
();
finish
();
}
}
private void handleDateResponse(JSONObject response) {
progressBar
.setVisibility(View
.GONE);
try {
if (!response
.has("code") || response
.getInt("code") != 100) {
handleDataError("服务器响应异常");
return;
}
JSONObject data = response
.optJSONObject("data");
if (data == null || !data
.has("list")) {
handleDataError("数据结构异常");
return;
}
Set<String> dateSet = new HashSet<>
();
JSONArray list = data
.getJSONArray("list");
for (int i = 0; i < list
.length
(); i++) {
String time = list
.getJSONObject(i)
.optString("
collectionTime", "")
.replace("T", " "); // 处理可能存在的ISO格式时间
if (time
.length
() >= 10) {
dateSet
.add(time
.substring(0, 10));
}
}
List<String> dates = new ArrayList<>(dateSet);
Collections.sort(dates,
Collections.reverseOrder());
dateList
.setAdapter(new ArrayAdapter<>(this, android
.R
.layout
.simple_list_item_1, dates));
dateList
.setOnItemClickListener((parent, view, position, id) -> {
currentDate = dates
.get(position);
loadImages
();
});
if (!dates
.isEmpty
()) {
currentDate = dates
.get(0);
loadImages
();
}
} catch (JSONException e) {
handleDataError("数据格式错误");
}
}
private void loadImages
() {
progressBar
.setVisibility(View
.VISIBLE);
try {
String startTime = currentDate + " 00
:00
:00";
String endTime = currentDate + " 23
:59
:59";
String url = "http
://nyzbwlw
.com/situation/http/device/mouse/getMouseList" +
"?deviceCode=" + URLEncoder
.encode(currentStationId, "UTF-8") +
"&startTime=" + URLEncoder
.encode(startTime, "UTF-8") +
"&endTime=" + URLEncoder
.encode(endTime, "UTF-8");
JsonObjectRequest request = new JsonObjectRequest(
Request
.Method
.GET,
url,
null,
this
::handleImageResponse,
this
::handleImageError);
request
.setRetryPolicy(new DefaultRetryPolicy(15000, 3, 1
.5f));
requestQueue
.add(request);
} catch (UnsupportedEncodingException e) {
progressBar
.setVisibility(View
.GONE);
Toast
.makeText(this, "时间参数错误", Toast
.LENGTH_SHORT)
.show
();
}
}
private void handleImageResponse(JSONObject response) {
progressBar
.setVisibility(View
.GONE);
try {
if (response
.getInt("code") == 100) {
JSONArray list = response
.getJSONObject("data")
.getJSONArray("list");
List<String> imageUrls = new ArrayList<>
();
List<String> imageTimes = new ArrayList<>
();
for (int i = 0; i < list
.length
(); i++) {
JSONObject item = list
.getJSONObject(i);
imageUrls
.add(item
.getString("pictureUrl"));
String rawTime = item
.optString("
collectionTime", "");
imageTimes
.add(rawTime
.substring(11, 19));
}
// 使用新的适配器方式
updateImageGrid(imageUrls, imageTimes);
}
} catch (JSONException e) {
handleDataError("图片数据解析失败");
}
}
// 替换RecyclerView为动态添加视图
private void updateImageGrid(List<String> imageUrls, List<String> imageTimes) {
imageGrid
.removeAllViews
(); // 清除旧视图
imageGrid
.setColumnCount(2); // 2列网格
int spacing = getResources
().getDimensionPixelSize(R
.dimen
.grid_spacing);
int availableWidth = getResources
().getDisplayMetrics
().widthPixels
- getResources
().getDimensionPixelSize(R
.dimen
.left_nav_width);
// 新计算公式：总可用宽度 - 4个间隔（左右各1 + 中间2）
int imageSize = (availableWidth - spacing * 4) / 2;
int textHeight = (int) (30 * getResources
().getDisplayMetrics
().density);
for (int i = 0; i < imageUrls
.size
(); i++) {
View itemView = LayoutInflater
.from(this)
.inflate(R
.layout
.grid_item_image, null);
ImageView imageView = (ImageView) itemView
.findViewById(R
.id
.image_view);
TextView fileNameText = (TextView) itemView
.findViewById(R
.id
.file_name);
String displayTime = imageTimes
.get(i) != null ? imageTimes
.get(i)
: "--
:--
:--";
fileNameText
.setText(displayTime);
// 设置图片大小
imageView
.getLayoutParams
().width = imageSize;
imageView
.getLayoutParams
().height = imageSize;
// 使用Glide加载图片并添加错误处理
final String url = imageUrls
.get(i);
Glide
.with(this)
.load(url)
.override(imageSize, imageSize)
.centerCrop
()
.placeholder(R
.drawable
.placeholder)
.error(R
.drawable
.error_image)
.into(imageView);
// 设置点击事件
itemView
.setOnClickListener(v -> showFullscreenImage(url));
// 添加视图到网格
// GridLayout
.Spec rowSpec = GridLayout
.spec(i / 2);
// GridLayout
.Spec colSpec = GridLayout
.spec(i % 2);
GridLayout
.LayoutParams params = new GridLayout
.LayoutParams(
GridLayout
.spec(i / 2),
GridLayout
.spec(i % 2)
);
params
.width = imageSize;
params
.height = imageSize + textHeight;
params
.setMargins(spacing, spacing, spacing, spacing);
imageGrid
.addView(itemView, params);
}
}
private void handleDateError(VolleyError error) {
progressBar
.setVisibility(View
.GONE);
handleNetworkError(error, "日期加载失败");
}
private void handleImageError(VolleyError error) {
progressBar
.setVisibility(View
.GONE);
handleNetworkError(error, "图片加载失败");
}
private void handleNetworkError(VolleyError error, String prefix) {
String message = prefix + "
: ";
if (error instanceof TimeoutError) {
message += "请求超时（请检查网络）";
} else if (error instanceof NoConnectionError) {
message += "网络未连接";
} else if (error instanceof ServerError) {
message += "服务器错误（HTTP " + error
.networkResponse
.statusCode + ")";
} else if (error instanceof AuthFailureError) {
message += "认证失败（请检查权限）";
} else if (error instanceof ParseError) {
message += "数据解析异常（请检查API格式）";
} else {
message += "未知错误";
}
Toast
.makeText(this, message, Toast
.LENGTH_LONG)
.show
();
}
private void handleDataError(String message) {
Toast
.makeText(this, message, Toast
.LENGTH_SHORT)
.show
();
}
private void showFullscreenImage(String imageUrl) {
fullscreenContainer
.setVisibility(View
.VISIBLE);
progressBar
.setVisibility(View
.VISIBLE);
// fullImageView
.resetMatrix
();
// 使用Glide加载全屏图片
Glide
.with(this)
.load(imageUrl)
.listener(new RequestListener<String, GlideDrawable>
() {
@Override
public boolean onException(Exception e, String model, Target<GlideDrawable> target,
boolean isFirstResource) {
progressBar
.setVisibility(View
.GONE);
// 显示错误图片
fullImageView
.setImageResource(R
.drawable
.error_image);
return true; // 消费异常事件
}
@Override
public boolean onResourceReady(GlideDrawable resource, String model,
Target<GlideDrawable> target, boolean isFromMemoryCache, boolean isFirstResource) {
// 延迟执行确保视图已布局
fullImageView
.post(
() -> {
fullImageView
.resetMatrix
();
progressBar
.setVisibility(View
.GONE);
});
return false;
}
})
.error(R
.drawable
.error_image)
.into(fullImageView);
}
public void closeFullscreen(View view) {
fullscreenContainer
.setVisibility(View
.GONE);
}
@Override
protected void onStop
() {
super
.onStop
();
if (requestQueue != null) {
requestQueue
.cancelAll(REQUEST_TAG);
}
}
} shuhai
.xml
:<?xml version="1
.0" encoding="utf-8"?>
<RelativeLayout
xmlns
:android="http
://schemas
.android
.com/apk/res/android"
android
:layout_width="match_parent"
android
:layout_height="match_parent"
android
:background="@drawable/gradient_background">
<!-- 标题栏 -->
<RelativeLayout
android
:id="@+id/toolbar"
android
:layout_width="match_parent"
android
:layout_height="?android
:attr/actionBarSize"
android
:background="#44bd32">
<Button
android
:id="@+id/fanHui"
android
:layout_width="wrap_content"
android
:layout_height="wrap_content"
android
:layout_centerVertical="true"
android
:layout_marginStart="8dp"
android
:layout_marginEnd="8dp"
android
:background="@android
:color/transparent"
android
:foreground="?android
:attr/selectableItemBackground"
android
:text="返回"
android
:textColor="@android
:color/white"
android
:textSize="16sp" />
<!-- 修改后的标题文字模块 -->
<TextView
android
:id="@+id/nAme"
android
:layout_width="match_parent"
android
:layout_height="wrap_content"
android
:layout_centerInParent="true"
android
:ellipsize="end"
android
:gravity="center"
android
:maxLines="1"
android
:paddingStart="60dp"
android
:paddingEnd="60dp"
android
:text="图片"
android
:textColor="@android
:color/white"
android
:textSize="19sp" />
<Button
android
:id="@+id/Sp"
android
:layout_width="wrap_content"
android
:layout_height="wrap_content"
android
:layout_centerVertical="true"
android
:layout_marginStart="365dp"
android
:layout_marginEnd="8dp"
android
:background="@android
:color/transparent"
android
:foreground="?android
:attr/selectableItemBackground"
android
:text="视频"
android
:textColor="@android
:color/white"
android
:textSize="16sp" />
</RelativeLayout>
<!-- 底部按钮 -->
<LinearLayout
android
:id="@+id/footer_buttons"
android
:layout_width="match_parent"
android
:layout_height="50dp"
android
:layout_alignParentBottom="true"
android
:background="@android
:color/transparent"
android
:orientation="horizontal">
<Button
android
:id="@+id/device_location"
android
:layout_width="match_parent"
android
:layout_height="match_parent"
android
:gravity="center"
android
:text="设备定位"
android
:textSize="19sp"
android
:background="#44bd32"
android
:textColor="@android
:color/white" />
</LinearLayout>
<!-- 左侧导航 -->
<LinearLayout
android
:id="@+id/left_navigation"
android
:layout_width="120dp"
android
:layout_height="match_parent"
android
:layout_below="@id/toolbar"
android
:layout_above="@id/footer_buttons"
android
:orientation="vertical"
android
:background="@android
:color/white"
android
:padding="8dp">
<TextView
android
:layout_width="match_parent"
android
:layout_height="wrap_content"
android
:text="根据年月查看数据"
android
:textColor="@android
:color/black"
android
:textSize="16sp"
android
:gravity="center"
android
:padding="8dp"/>
<LinearLayout
android
:layout_width="match_parent"
android
:layout_height="wrap_content"
android
:orientation="horizontal"
android
:padding="4dp">
<Button
android
:id="@+id/btn_year"
android
:layout_width="0dp"
android
:layout_height="40dp"
android
:layout_weight="1"
android
:background="@drawable/button_border"
android
:textSize="16sp"
android
:layout_marginEnd="4dp"/>
<Button
android
:id="@+id/btn_month"
android
:layout_width="0dp"
android
:layout_height="40dp"
android
:layout_weight="1"
android
:background="@drawable/button_border"
android
:textSize="16sp"
android
:layout_marginStart="4dp"/>
</LinearLayout>
<ProgressBar
android
:id="@+id/progressBar"
android
:layout_width="wrap_content"
android
:layout_height="wrap_content"
android
:layout_gravity="center"
android
:visibility="gone" />
<ListView
android
:id="@+id/date_list"
android
:layout_width="match_parent"
android
:layout_height="0dp"
android
:layout_weight="1"
android
:divider="#BDBDBD"
android
:dividerHeight="1dp"/>
</LinearLayout>
<!-- 图片网格容器（添加滚动支持） -->
<ScrollView
android
:layout_width="match_parent"
android
:layout_height="match_parent"
android
:layout_above="@id/footer_buttons"
android
:layout_below="@id/toolbar"
android
:layout_toEndOf="@id/left_navigation"
android
:background="@android
:color/white"
android
:fillViewport="true"
android
:padding="0dp">
<GridLayout
android
:id="@+id/image_grid"
android
:layout_width="match_parent"
android
:layout_height="wrap_content"
android
:columnCount="2"
android
:padding="0dp" />
</ScrollView>
<!-- 全屏容器（使用ImageView替代WebView） -->
<FrameLayout
android
:id="@+id/fullscreen_container"
android
:layout_width="match_parent"
android
:layout_height="match_parent"
android
:visibility="gone"
android
:background="@android
:color/black">
<com
.jd
.projects
.wlw
.shuhai
.ZoomImageView1
android
:id="@+id/fullscreen_imageview"
android
:layout_width="match_parent"
android
:layout_height="match_parent"
android
:scaleType="matrix"/>
<ImageButton
android
:id="@+id/close_fullscreen"
android
:layout_width="60dp"
android
:layout_height="60dp"
android
:layout_gravity="top|end"
android
:layout_margin="16dp"
android
:src="@drawable/ic_close_white"
android
:background="@drawable/round_button_bg"
android
:onClick="closeFullscreen"/>
</FrameLayout>
</RelativeLayout> 解决shuhai
.xml中布局文件中android
:id="@+id/Sp"视频按钮没有显示在手机实时画面中
本文探讨了使用Java对歌曲列表按时间长度进行降序排序的方法。作者遇到了使用Collection.sort及Collections.reverseOrder方法时的问题，并寻求帮助以正确实现排序逻辑。
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