add: apk builder plugin support; fix: inrt AutoJs.ensureServiceEnabled

app/src/main/java/com/stardust/scriptdroid/build/ApkBuilderPluginHelper.java

@@ -0,0 +1,36 @@
+package com.stardust.scriptdroid.build;
+
+import android.content.Context;
+import android.content.pm.PackageManager;
+import android.os.Build;
+
+import com.stardust.pio.UncheckedIOException;
+import com.stardust.util.DeveloperUtils;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+/**
+ * Created by Stardust on 2017/11/29.
+ */
+
+public class ApkBuilderPluginHelper {
+
+    private static final String PLUGIN_PACKAGE_NAME = "org.autojs.apkbuilderplugin";
+    private static final String TEMPLATE_APK_PATH = "template.apk";
+
+    public static boolean checkPlugin(Context context) {
+        return DeveloperUtils.checkSignature(context, PLUGIN_PACKAGE_NAME);
+    }
+
+    public static InputStream openTemplateApk(Context context) {
+        try {
+            return context.getPackageManager().getResourcesForApplication(PLUGIN_PACKAGE_NAME)
+                    .getAssets().open(TEMPLATE_APK_PATH);
+        } catch (IOException e) {
+            throw new UncheckedIOException(e);
+        } catch (PackageManager.NameNotFoundException e) {
+            throw new RuntimeException(e);
+        }
+    }
+}