From f163344ffeb1e699fa1a2dfb8a70055bb1b9be7e Mon Sep 17 00:00:00 2001
From: zuoxiao <470321431@qq.com>
Date: 星期一, 09 九月 2024 15:09:17 +0800
Subject: [PATCH] 首页界面优化，地图模块优化，部分下载地图瓦片功能代码
---
app/src/main/java/com/dayu/pipirrapp/fragment/MapFragment.java | 165 +++++++++++++++++++++++++++++++++---------------------
1 files changed, 101 insertions(+), 64 deletions(-)
diff --git a/app/src/main/java/com/dayu/pipirrapp/fragment/MapFragment.java b/app/src/main/java/com/dayu/pipirrapp/fragment/MapFragment.java
index 6c07ea7..d2bff28 100644
--- a/app/src/main/java/com/dayu/pipirrapp/fragment/MapFragment.java
+++ b/app/src/main/java/com/dayu/pipirrapp/fragment/MapFragment.java
@@ -4,30 +4,32 @@
import android.content.Intent;
import android.location.LocationManager;
import android.os.Bundle;
-import android.os.Handler;
-import android.os.Looper;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
-import android.webkit.JsResult;
-import android.webkit.WebChromeClient;
-import android.webkit.WebSettings;
+import android.webkit.ValueCallback;
+import android.webkit.WebResourceError;
+import android.webkit.WebResourceRequest;
+import android.webkit.WebResourceResponse;
import android.webkit.WebView;
+import android.webkit.WebViewClient;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
-import androidx.lifecycle.DefaultLifecycleObserver;
-import androidx.lifecycle.LifecycleOwner;
import com.dayu.pipirrapp.databinding.FragmentMapBinding;
import com.dayu.pipirrapp.js.MyWebViewInterface;
import com.dayu.pipirrapp.observer.MapFragmenObserver;
import com.dayu.pipirrapp.service.MyLocationService;
+import com.dayu.pipirrapp.utils.MapJpgUtils;
import com.dayu.pipirrapp.utils.MyLog;
-import com.dayu.pipirrapp.utils.ToastUtil;
+import com.dayu.pipirrapp.utils.WebViewUtils;
-import java.util.List;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.util.Random;
/**
* author: zuo
@@ -60,14 +62,54 @@
binding = FragmentMapBinding.inflate(inflater, container, false);
Log.i("MapFragment", "onCreateView");
mWebView = binding.webView;
- initWebView();
- mWebView.loadUrl("http://192.168.3.178:3000/");
+ mWebView = WebViewUtils.initWebView(mWebView);
+ MyWebViewInterface myWebViewInterface = new MyWebViewInterface(MapFragment.this);
+ mWebView.addJavascriptInterface(myWebViewInterface, "Android");
+ mWebView.loadUrl("file:///android_asset/index.html");
+
initView();
//寮�鍚畾浣�
Intent location = new Intent(this.getActivity(), MyLocationService.class);
location.putExtra("isSingle", false);
this.getActivity().startService(location);
return binding.getRoot();
+ }
+
+ /**
+ * 娣诲姞鏍囨敞鐐�
+ */
+ public void addMarker() {
+ Random random = new Random();
+ StringBuilder stringBuilder = new StringBuilder();
+ stringBuilder.append("[");
+
+ // 涓浗缁忕含搴﹁寖鍥�
+ double minLongitude = 73.43;
+ double maxLongitude = 135.05;
+ double minLatitude = 3.52;
+ double maxLatitude = 53.57;
+
+ for (int i = 0; i < 1000; i++) {
+ stringBuilder.append("[");
+ // 鐢熸垚闅忔満缁忓害
+ double longitude = minLongitude + (maxLongitude - minLongitude) * random.nextDouble();
+ stringBuilder.append(longitude);
+ stringBuilder.append(",");
+ // 鐢熸垚闅忔満绾害
+ double latitude = minLatitude + (maxLatitude - minLatitude) * random.nextDouble();
+ stringBuilder.append(latitude);
+ stringBuilder.append(",\"237鍙栨按鍙"],");
+ }
+ stringBuilder.append("[116.417854,39.921988,\"235鍙栨按鍙"]]");
+ String jsonData = stringBuilder.toString().replace("\\", "\\\\").replace("\"", "\\\"");
+// String jsonData = "[[116.417854,39.921988,\"235鍙栨按鍙"],[116.406605,39.921585,\"237鍙栨按鍙"],[116.412222,39.912345,\"236鍙栨按鍙"]]";
+ Log.i("mWebView", "addMarker????????????" + jsonData);
+ mWebView.evaluateJavascript("javascript:addMarker(\"" + jsonData + "\")", new ValueCallback<String>() {
+ @Override
+ public void onReceiveValue(String value) {
+ Log.i("mWebView", "addMarker锛侊紒锛侊紒锛侊紒锛侊紒锛�" + value);
+ }
+ });
}
@@ -81,7 +123,9 @@
@Override
public void onPause() {
super.onPause();
+ //
mWebView.onPause(); // 閫氳繃 onPause 鍔ㄤ綔閫氱煡鍐呮牳鏆傚仠鎵�鏈夌殑鍔ㄤ綔锛屽 DOM 鐨勮В鏋愩�乸lugin 鐨勬墽琛屻�丣avaScript 鎵ц绛�
+
}
@Override
@@ -91,73 +135,66 @@
mWebView.destroy(); // 褰� Activity 瑕� destroy 鏃讹紝搴斿厛灏� WebView 绉婚櫎锛屽啀 destroy 鎺�
}
- void initWebView() {
-// getActivity().getWindow().setFlags(
-// WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED,
-// WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED);
- // WebView 閰嶇疆
- WebSettings webSettings = mWebView.getSettings();
- // 鐢熷懡鍛ㄦ湡
-// 鍓嶈繘鍚庨��
- if (mWebView.canGoBack()) {
- mWebView.goBack();
- }
- if (mWebView.canGoForward()) {
- mWebView.goForward();
- }
- // 缂撳瓨鐩稿叧
- mWebView.clearCache(false); // 娓呴櫎缂撳瓨
-// mWebView.clearHistory(); // 娓呴櫎鍘嗗彶
-// mWebView.clearFormData(); // 娓呴櫎琛ㄥ崟鏁版嵁
- webSettings.setCacheMode(WebSettings.LOAD_NO_CACHE);// 璁剧疆缂撳瓨妯″紡
- webSettings.setDatabaseEnabled(true);
- webSettings.setDomStorageEnabled(true);//寮�鍚疍OM缂撳瓨锛屽叧闂殑璇滺5鑷韩鐨勪竴浜涙搷浣滄槸鏃犳晥鐨�
-// 缂撳瓨妯″紡
-// LOAD_DEFAULT: 榛樿锛屾牴鎹� cache-control 鍐冲畾鏄惁浠庣綉缁滀笂鍙栨暟鎹�
-// LOAD_NORMAL: API level 17 涓凡缁忓簾寮�, 浠嶢PI level 11寮�濮嬩綔鐢ㄥ悓 LOAD_DEFAULT 妯″紡
-// LOAD_CACHE_ELSE_NETWORK: 鍙鏈湴鏈夛紝鏃犺鏄惁杩囨湡锛屾垨鑰� no-cache锛岄兘浣跨敤缂撳瓨涓殑鏁版嵁
-// LOAD_NO_CACHE: 涓嶄娇鐢ㄧ紦瀛橈紝鍙粠缃戠粶鑾峰彇鏁版嵁
-// LOAD_CACHE_ONLY: 涓嶄娇鐢ㄧ綉缁滐紝鍙鍙栨湰鍦扮紦瀛樻暟鎹�
- // js 鐩稿叧
- webSettings.setJavaScriptEnabled(true); // 鏀寔 js銆傚鏋滅鍒板悗鍙版棤娉曢噴鏀� js 瀵艰嚧鑰楃數锛屽簲鍦� onStop 鍜� onResume 閲屽垎鍒鎴� false 鍜� true
- // mWebView.addJavascriptInterface(new WebAppInterface(this), "android"); // js 鎺ュ彛
-
- // webSettings.setPluginsEnabled(true); // 鏀寔鎻掍欢
- // 璁剧疆鑷�傚簲灞忓箷锛屼袱鑰呭悎鐢�
- webSettings.setUseWideViewPort(true); // 灏嗗浘鐗囪皟鏁村埌閫傚悎 WebView 鐨勫ぇ灏�
- webSettings.setLoadWithOverviewMode(true); // 缂╂斁鑷冲睆骞曠殑澶у皬
- // 缂╂斁鎿嶄綔
- webSettings.setSupportZoom(true); // 鏀寔缂╂斁锛岄粯璁や负 true
- webSettings.setBuiltInZoomControls(true); // 璁剧疆鍐呯疆鐨勭缉鏀炬帶浠讹紝鑻ヤ负 false锛屽垯璇� WebView 涓嶅彲缂╂斁
- webSettings.setDisplayZoomControls(false); // 闅愯棌鍘熺敓鐨勭缉鏀炬帶浠�
- webSettings.setLoadsImagesAutomatically(true);//棰勫姞杞�
- //webView寮笿sAlert
- mWebView.setWebChromeClient(new WebChromeClient() {
- @Override
- public boolean onJsAlert(WebView view, String url, String message, JsResult result) {
- return super.onJsAlert(view, url, message, result);
- }
- });
- MyWebViewInterface myWebViewInterface=new MyWebViewInterface(this);
- mWebView.addJavascriptInterface(myWebViewInterface,"Android");
- }
void initView() {
+ //璺宠浆鍒版寚瀹氫綅缃�
binding.flyBtn.setOnClickListener(v -> {
mWebView.evaluateJavascript("javascript:locationOverLay(116.399565,39.89432)", value -> {
});
});
+ mWebView.setWebViewClient(new WebViewClient() {
+ @Override
+ public WebResourceResponse shouldInterceptRequest(WebView view, WebResourceRequest request) {
+ String url = request.getUrl().toString();
+ // 妫�鏌ユ湰鍦扮紦瀛�
+ File cachedTile = MapJpgUtils.getInsatance(MapFragment.this.getContext()).getCachedTile(url);
+ if (cachedTile != null && cachedTile.exists()) {
+ // 鍒ゆ柇缂撳瓨鏄惁杩囨湡
+ if (!MapJpgUtils.getInsatance(MapFragment.this.getContext()).isCacheExpired(cachedTile)) {
+ try {
+ // 浠庣紦瀛樺姞杞界摝鐗�
+ return new WebResourceResponse("image/jpg", "utf-8", new FileInputStream(cachedTile));
+ } catch (FileNotFoundException e) {
+ e.printStackTrace();
+ }
+ }
+ }
+
+ return super.shouldInterceptRequest(view, request);
+ }
+
+ @Override
+ public void onReceivedError(WebView view, WebResourceRequest request, WebResourceError error) {
+ super.onReceivedError(view, request, error);
+ // 鎹曡幏鍔犺浇杩囩▼涓彂鐢熺殑閿欒
+ int errorCode = error.getErrorCode();
+ String description = error.getDescription().toString();
+ String failingUrl = request.getUrl().toString();
+ Log.e("setWebViewClient", "errorCode:" + errorCode + ">>>>description:" + description + ">>>>failingUrl:" + failingUrl);
+ // 澶勭悊閿欒锛屼緥濡傛樉绀洪敊璇〉闈㈡垨鎻愮ず鐢ㄦ埛
+ // view.loadUrl("file:///android_asset/error.html");
+ }
+
+ @Override
+ public void onReceivedHttpError(WebView view, WebResourceRequest request, WebResourceResponse errorResponse) {
+ super.onReceivedHttpError(view, request, errorResponse);
+ // 鎹曡幏HTTP閿欒锛堝404, 500绛夛級
+ int statusCode = errorResponse.getStatusCode();
+ String description = errorResponse.getReasonPhrase();
+ Log.e("setWebViewClient", "statusCode:" + statusCode + ">>>>description:" + description);
+ // 鏍规嵁HTTP鐘舵�佺爜澶勭悊閿欒
+ }
+ });
}
- public void showWaterIntakeDetail(String data){
+ public void showWaterIntakeDetail(String data) {
MyLog.i(data);
binding.bottomLL.setVisibility(View.VISIBLE);
}
-
- public void closeWaterIntakeDetail(){
+ public void closeWaterIntakeDetail() {
binding.bottomLL.setVisibility(View.GONE);
}
--
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