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premium-api/.gitignore

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+/build

premium-api/build.gradle.kts

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+plugins {
+    alias(libs.plugins.android.library)
+    alias(libs.plugins.kotlin.android)
+}
+
+android {
+    namespace = "com.fan.edgex.premium.api"
+    compileSdk = Configs.compileSdk
+
+    defaultConfig {
+        minSdk = Configs.minSdk
+    }
+
+    compileOptions {
+        sourceCompatibility = Configs.javaVersion
+        targetCompatibility = Configs.javaVersion
+    }
+
+    kotlinOptions {
+        jvmTarget = Configs.jvmTarget
+    }
+}

premium-api/src/main/java/com/fan/edgex/premium/IPremiumPlugin.kt

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+package com.fan.edgex.premium
+
+import android.content.Context
+
+interface IPremiumPlugin {
+    val apiVersion: Int
+
+    /**
+     * Verifies that this DEX was issued by the server for the given device.
+     * The DEX implementation holds the RSA public key and performs the actual crypto.
+     * Called from system_server after the DEX is loaded; returning false disables the plugin.
+     *
+     * @param dexPath absolute path to the installed DEX file (used to compute its hash)
+     * @param devicePubkeyHex hex X.509 encoding of the device's Keystore EC public key
+     * @param sigBytes raw RSA/SHA-256 signature over sha256hex(dex)+"|"+devicePubkeyHex
+     * @param localDebug true only for a debug host that already verified local_debug metadata
+     */
+    fun verifyInstallation(
+        dexPath: String,
+        devicePubkeyHex: String,
+        sigBytes: ByteArray,
+        localDebug: Boolean,
+    ): Boolean
+
+    fun onEdgeLightingShow(
+        context: Context,
+        effect: String,
+        color: Int,
+        durationMs: Int,
+        widthDp: Int,
+        alpha: Float,
+    ): Boolean
+
+    fun onEdgeLightingDismiss()
+
+    fun onScreenOff()
+}