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code/app/app-rn4/plugins/withAndroidSignature.js

@@ -0,0 +1,95 @@
+const fs = require("node:fs");
+const path = require("node:path");
+const { withAppBuildGradle } = require("expo/config-plugins");
+
+const CREDENTIAL_PATH = path.resolve(
+  __dirname,
+  "../credentials/credentials.json"
+);
+
+const KEYSTORE_PATH = path.resolve(
+  __dirname,
+  "../credentials/oneao-android.keystore"
+);
+
+module.exports = function withAndroidSignature(config) {
+  return withAppBuildGradle(config, (config) => {
+    if (config.modResults.language !== "groovy") {
+      throw new Error("only groovy build.gradle is supported");
+    }
+
+    config.modResults.contents = setAndroidSignature(
+      config.modResults.contents
+    );
+
+    return config;
+  });
+};
+
+// ======================== 主入口 ========================
+function setAndroidSignature(appBuildGradle) {
+  if (!fs.existsSync(CREDENTIAL_PATH)) {
+    console.warn("⚠️ credentials.json 不存在，跳过签名配置");
+    return appBuildGradle;
+  }
+
+  const info = JSON.parse(
+    fs.readFileSync(CREDENTIAL_PATH, "utf8")
+  );
+
+  let output = appBuildGradle;
+
+  // ⭐ 1. 重写 signingConfigs（关键）
+  output = replaceSigningConfigs(output, info);
+
+  // ⭐ 2. 确保所有 debug/release 使用统一 keystore
+  output = unifySigningUsage(output);
+
+  return output;
+}
+
+// ======================== ⭐核心：重写 signingConfigs ========================
+function replaceSigningConfigs(appBuildGradle, info) {
+  const block = `
+    signingConfigs {
+        release {
+            storeFile file(${JSON.stringify(KEYSTORE_PATH)})
+            storePassword ${JSON.stringify(info.android.keystore.keystorePassword)}
+            keyAlias ${JSON.stringify(info.android.keystore.keyAlias)}
+            keyPassword ${JSON.stringify(info.android.keystore.keyPassword)}
+        }
+
+        debug {
+            storeFile file(${JSON.stringify(KEYSTORE_PATH)})
+            storePassword ${JSON.stringify(info.android.keystore.keystorePassword)}
+            keyAlias ${JSON.stringify(info.android.keystore.keyAlias)}
+            keyPassword ${JSON.stringify(info.android.keystore.keyPassword)}
+        }
+    }
+  `;
+
+  const regex = /signingConfigs\s*\{[\s\S]*?\n\s*\}/m;
+
+  if (regex.test(appBuildGradle)) {
+    return appBuildGradle.replace(regex, block.trim());
+  }
+
+  // 没有就插入
+  return appBuildGradle.replace(
+    /(android\s*\{)/,
+    `$1\n${block.trim()}`
+  );
+}
+
+// ======================== ⭐统一使用 signingConfig ========================
+function unifySigningUsage(appBuildGradle) {
+  let output = appBuildGradle;
+
+  // debug -> release（你如果想 debug 也用 release，可以改这里）
+  output = output.replace(
+    /signingConfig\s+signingConfigs\.debug/g,
+    "signingConfig signingConfigs.release"
+  );
+
+  return output;
+}