Prepare production smart scale Android app

2026-07-28 16:44:40 +08:00
parent af50188332
commit eab3ca651a
70 changed files with 4286 additions and 459 deletions
@@ -0,0 +1,60 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/AppTheme"
+        android:usesCleartextTraffic="true">
+
+        <receiver
+            android:name=".BootReceiver"
+            android:directBootAware="true"
+            android:enabled="true"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.BOOT_COMPLETED" />
+                <action android:name="android.intent.action.LOCKED_BOOT_COMPLETED" />
+                <action android:name="android.intent.action.QUICKBOOT_POWERON" />
+                <action android:name="com.htc.intent.action.QUICKBOOT_POWERON" />
+            </intent-filter>
+        </receiver>
+
+        <activity
+            android:configChanges="orientation|keyboardHidden|keyboard|screenSize|locale|smallestScreenSize|screenLayout|uiMode|navigation|density"
+            android:name=".MainActivity"
+            android:label="@string/title_activity_main"
+            android:theme="@style/AppTheme.NoActionBarLaunch"
+            android:launchMode="singleTask"
+            android:screenOrientation="sensorLandscape"
+            android:exported="true">
+
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+
+        </activity>
+
+        <provider
+            android:name="androidx.core.content.FileProvider"
+            android:authorities="${applicationId}.fileprovider"
+            android:exported="false"
+            android:grantUriPermissions="true">
+            <meta-data
+                android:name="android.support.FILE_PROVIDER_PATHS"
+                android:resource="@xml/file_paths"></meta-data>
+        </provider>
+    </application>
+
+    <!-- Permissions -->
+
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.CAMERA" />
+    <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" android:maxSdkVersion="28" />
+    <uses-feature android:name="android.hardware.usb.host" android:required="false" />
+</manifest>
@@ -0,0 +1,29 @@
+package com.woer.smartscale;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+
+public class BootReceiver extends BroadcastReceiver {
+    @Override
+    public void onReceive(Context context, Intent intent) {
+        // 某些定制终端可能发送空广播，先校验再读取动作名称。
+        if (intent == null || intent.getAction() == null) {
+            return;
+        }
+
+        String action = intent.getAction();
+        // 同时兼容标准开机广播和常见厂商的快速开机广播。
+        if (Intent.ACTION_BOOT_COMPLETED.equals(action)
+                || Intent.ACTION_LOCKED_BOOT_COMPLETED.equals(action)
+                || "android.intent.action.QUICKBOOT_POWERON".equals(action)
+                || "com.htc.intent.action.QUICKBOOT_POWERON".equals(action)) {
+            Intent launchIntent = new Intent(context, MainActivity.class);
+            // 复用已有任务，避免重复创建多个称重界面实例。
+            launchIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
+                    | Intent.FLAG_ACTIVITY_CLEAR_TOP
+                    | Intent.FLAG_ACTIVITY_SINGLE_TOP);
+            context.startActivity(launchIntent);
+        }
+    }
+}
@@ -0,0 +1,211 @@
+package com.woer.smartscale;
+
+import android.Manifest;
+import android.app.Activity;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.graphics.Color;
+import android.os.Build;
+import android.os.Bundle;
+import android.os.Environment;
+import android.provider.Settings;
+import android.util.DisplayMetrics;
+import android.util.Log;
+import android.view.ViewGroup;
+import android.webkit.JavascriptInterface;
+import android.webkit.WebChromeClient;
+import android.webkit.WebSettings;
+import android.webkit.WebView;
+import android.webkit.WebViewClient;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.nio.charset.StandardCharsets;
+
+public class MainActivity extends Activity {
+    // Android 6 到 Android 9 写入公共目录时需要动态申请存储权限。
+    private static final int STORAGE_PERMISSION_REQUEST = 1001;
+    private WebView webView;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        // 使用单个全屏 WebView 承载 React 操作界面。
+        webView = new WebView(this);
+        webView.setLayoutParams(new ViewGroup.LayoutParams(
+                ViewGroup.LayoutParams.MATCH_PARENT,
+                ViewGroup.LayoutParams.MATCH_PARENT));
+        webView.setBackgroundColor(Color.rgb(248, 250, 248));
+        webView.setWebViewClient(new WebViewClient());
+        webView.setWebChromeClient(new WebChromeClient());
+
+        // 开启应用运行、接口访问和本地配置所需的 WebView 能力。
+        WebSettings settings = webView.getSettings();
+        settings.setJavaScriptEnabled(true);
+        settings.setDomStorageEnabled(true);
+        settings.setDatabaseEnabled(true);
+        settings.setAllowFileAccess(true);
+        settings.setAllowContentAccess(true);
+        settings.setAllowFileAccessFromFileURLs(true);
+        settings.setAllowUniversalAccessFromFileURLs(true);
+        settings.setMixedContentMode(WebSettings.MIXED_CONTENT_ALWAYS_ALLOW);
+        settings.setMediaPlaybackRequiresUserGesture(false);
+        settings.setBuiltInZoomControls(false);
+        settings.setDisplayZoomControls(false);
+        settings.setUseWideViewPort(true);
+        settings.setLoadWithOverviewMode(false);
+        // 向前端暴露受控的文件保存和系统页面跳转能力。
+        webView.addJavascriptInterface(new AndroidBridge(), "WoerNative");
+
+        setContentView(webView);
+        requestStoragePermission();
+        loadApp();
+    }
+
+    private void requestStoragePermission() {
+        // Android 10 之后采用新的存储模型，不再走旧版动态权限分支。
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M
+                && Build.VERSION.SDK_INT <= Build.VERSION_CODES.P
+                && checkSelfPermission(Manifest.permission.WRITE_EXTERNAL_STORAGE)
+                != PackageManager.PERMISSION_GRANTED) {
+            requestPermissions(
+                    new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE},
+                    STORAGE_PERMISSION_REQUEST);
+        }
+    }
+
+    private class AndroidBridge {
+        // 每条称重记录单独写入 cache 目录，便于断网补传和人工核查。
+        @JavascriptInterface
+        public boolean saveBackup(String fileName, String content) {
+            return writeTextFile("cache", fileName, content, false);
+        }
+
+        // 运行日志按天追加写入，避免覆盖当天已有内容。
+        @JavascriptInterface
+        public boolean appendLog(String fileName, String content) {
+            return writeTextFile("logs", fileName, content, true);
+        }
+
+        // 导出日志使用新文件，防止与每日运行日志混在一起。
+        @JavascriptInterface
+        public boolean exportLogs(String fileName, String content) {
+            return writeTextFile("logs", fileName, content, false);
+        }
+
+        // 系统设置和文件管理必须在主线程启动 Activity。
+        @JavascriptInterface
+        public boolean openSystemSettings() {
+            return launchSystemActivity(new Intent(Settings.ACTION_SETTINGS));
+        }
+
+        @JavascriptInterface
+        public boolean openFileManager() {
+            Intent intent = new Intent(Intent.ACTION_OPEN_DOCUMENT_TREE);
+            intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION
+                    | Intent.FLAG_GRANT_WRITE_URI_PERMISSION
+                    | Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION);
+            return launchSystemActivity(intent);
+        }
+    }
+
+    private boolean launchSystemActivity(final Intent intent) {
+        if (intent.resolveActivity(getPackageManager()) == null) {
+            return false;
+        }
+        runOnUiThread(new Runnable() {
+            @Override
+            public void run() {
+                startActivity(intent);
+            }
+        });
+        return true;
+    }
+
+    private boolean writeTextFile(
+            String directoryName,
+            String fileName,
+            String content,
+            boolean append) {
+        // 目录白名单与文件名净化共同阻止前端写入任意路径。
+        if (!"cache".equals(directoryName) && !"logs".equals(directoryName)) {
+            return false;
+        }
+        String safeFileName = fileName == null
+                ? ""
+                : fileName.replaceAll("[^A-Za-z0-9._-]", "_");
+        if (safeFileName.isEmpty()) {
+            return false;
+        }
+        File smartDirectory = new File(
+                Environment.getExternalStorageDirectory(),
+                "smart/" + directoryName);
+        if (!smartDirectory.exists() && !smartDirectory.mkdirs()) {
+            return false;
+        }
+        File targetFile = new File(smartDirectory, safeFileName);
+        try (FileOutputStream output = new FileOutputStream(targetFile, append)) {
+            output.write((content == null ? "" : content).getBytes(StandardCharsets.UTF_8));
+            if (append) {
+                output.write('\n');
+            }
+            output.flush();
+            Log.i("WoerStorage", "Saved " + targetFile.getAbsolutePath());
+            return true;
+        } catch (IOException error) {
+            Log.e("WoerStorage", "Unable to save " + targetFile.getAbsolutePath(), error);
+            return false;
+        }
+    }
+
+    private void loadApp() {
+        /*
+         * 终端的 WebView 会根据 density 缩小 CSS 视口。
+         * 这里使用真实横屏宽度改写 viewport，使 1920×1080 等分辨率都能自适应。
+         */
+        DisplayMetrics metrics = new DisplayMetrics();
+        getWindowManager().getDefaultDisplay().getRealMetrics(metrics);
+        int landscapeWidth = Math.round(
+                Math.max(metrics.widthPixels, metrics.heightPixels) / metrics.density);
+        try {
+            String html = readAsset("public/index.html")
+                    .replace("width=device-width", "width=" + landscapeWidth)
+                    .replace(", viewport-fit=cover", "");
+            webView.loadDataWithBaseURL(
+                    "file:///android_asset/public/",
+                    html,
+                    "text/html",
+                    "UTF-8",
+                    null);
+        } catch (IOException error) {
+            webView.loadUrl("file:///android_asset/public/index.html");
+        }
+    }
+
+    private String readAsset(String path) throws IOException {
+        // 使用 UTF-8 读取打包后的首页，再交给 WebView 加载。
+        StringBuilder content = new StringBuilder();
+        try (InputStream input = getAssets().open(path);
+             BufferedReader reader = new BufferedReader(new InputStreamReader(input, "UTF-8"))) {
+            String line;
+            while ((line = reader.readLine()) != null) {
+                content.append(line).append('\n');
+            }
+        }
+        return content.toString();
+    }
+
+    @Override
+    protected void onDestroy() {
+        if (webView != null) {
+            // 主动销毁 WebView，释放页面定时器和 JavaScript 上下文。
+            webView.destroy();
+        }
+        super.onDestroy();
+    }
+}
@@ -0,0 +1,34 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportHeight="108"
+    android:viewportWidth="108">
+    <path
+        android:fillType="evenOdd"
+        android:pathData="M32,64C32,64 38.39,52.99 44.13,50.95C51.37,48.37 70.14,49.57 70.14,49.57L108.26,87.69L108,109.01L75.97,107.97L32,64Z"
+        android:strokeColor="#00000000"
+        android:strokeWidth="1">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:endX="78.5885"
+                android:endY="90.9159"
+                android:startX="48.7653"
+                android:startY="61.0927"
+                android:type="linear">
+                <item
+                    android:color="#44000000"
+                    android:offset="0.0" />
+                <item
+                    android:color="#00000000"
+                    android:offset="1.0" />
+            </gradient>
+        </aapt:attr>
+    </path>
+    <path
+        android:fillColor="#FFFFFF"
+        android:fillType="nonZero"
+        android:pathData="M66.94,46.02L66.94,46.02C72.44,50.07 76,56.61 76,64L32,64C32,56.61 35.56,50.11 40.98,46.06L36.18,41.19C35.45,40.45 35.45,39.3 36.18,38.56C36.91,37.81 38.05,37.81 38.78,38.56L44.25,44.05C47.18,42.57 50.48,41.71 54,41.71C57.48,41.71 60.78,42.57 63.68,44.05L69.11,38.56C69.84,37.81 70.98,37.81 71.71,38.56C72.44,39.3 72.44,40.45 71.71,41.19L66.94,46.02ZM62.94,56.92C64.08,56.92 65,56.01 65,54.88C65,53.76 64.08,52.85 62.94,52.85C61.8,52.85 60.88,53.76 60.88,54.88C60.88,56.01 61.8,56.92 62.94,56.92ZM45.06,56.92C46.2,56.92 47.13,56.01 47.13,54.88C47.13,53.76 46.2,52.85 45.06,52.85C43.92,52.85 43,53.76 43,54.88C43,56.01 43.92,56.92 45.06,56.92Z"
+        android:strokeColor="#00000000"
+        android:strokeWidth="1" />
+</vector>
@@ -0,0 +1,170 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportHeight="108"
+    android:viewportWidth="108">
+    <path
+        android:fillColor="#26A69A"
+        android:pathData="M0,0h108v108h-108z" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M9,0L9,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,0L19,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,0L29,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,0L39,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,0L49,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,0L59,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,0L69,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,0L79,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M89,0L89,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M99,0L99,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,9L108,9"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,19L108,19"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,29L108,29"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,39L108,39"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,49L108,49"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,59L108,59"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,69L108,69"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,79L108,79"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,89L108,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,99L108,99"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,29L89,29"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,39L89,39"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,49L89,49"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,59L89,59"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,69L89,69"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,79L89,79"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,19L29,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,19L39,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,19L49,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,19L59,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,19L69,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,19L79,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+</vector>
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".MainActivity">
+
+    <WebView
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+</androidx.coordinatorlayout.widget.CoordinatorLayout>
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/ic_launcher_background"/>
+    <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+</adaptive-icon>
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/ic_launcher_background"/>
+    <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+</adaptive-icon>
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="ic_launcher_background">#FFFFFF</color>
+</resources>
@@ -0,0 +1,7 @@
+<?xml version='1.0' encoding='utf-8'?>
+<resources>
+    <string name="app_name">WOER 智能称重</string>
+    <string name="title_activity_main">WOER 智能称重</string>
+    <string name="package_name">com.woer.smartscale</string>
+    <string name="custom_url_scheme">com.woer.smartscale</string>
+</resources>
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+
+    <!-- Base application theme. -->
+    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
+        <!-- Customize your theme here. -->
+        <item name="colorPrimary">@color/colorPrimary</item>
+        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
+        <item name="colorAccent">@color/colorAccent</item>
+    </style>
+
+    <style name="AppTheme.NoActionBar" parent="Theme.AppCompat.DayNight.NoActionBar">
+        <item name="windowActionBar">false</item>
+        <item name="windowNoTitle">true</item>
+        <item name="android:background">@null</item>
+    </style>
+
+
+    <style name="AppTheme.NoActionBarLaunch" parent="Theme.SplashScreen">
+        <item name="android:background">@drawable/splash</item>
+    </style>
+</resources>
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<paths xmlns:android="http://schemas.android.com/apk/res/android">
+    <external-path name="my_images" path="." />
+    <cache-path name="my_cache_images" path="." />
+</paths>