diff -r 000000000000 -r 6474c204b198 mobile/android/base/webapp/ApkResources.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mobile/android/base/webapp/ApkResources.java	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,134 @@
+/* -*- Mode: Java; c-basic-offset: 4; tab-width: 4; indent-tabs-mode: nil; -*-
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+package org.mozilla.gecko.webapp;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import android.content.Context;
+import android.content.pm.ApplicationInfo;
+import android.content.pm.PackageManager;
+import android.content.pm.PackageManager.NameNotFoundException;
+import android.graphics.drawable.Drawable;
+import android.net.Uri;
+import android.os.Bundle;
+import android.os.Environment;
+import android.util.Log;
+
+public class ApkResources {
+    private static final String LOGTAG = "GeckoWebappApkResources";
+    private final String mPackageName;
+    private final ApplicationInfo mInfo;
+    private final Context mContext;
+
+    public ApkResources(Context context, String packageName) throws NameNotFoundException {
+        mPackageName = packageName;
+        mInfo = context.getPackageManager().getApplicationInfo(
+                    mPackageName, PackageManager.GET_META_DATA);
+        mContext = context;
+    }
+
+    private ApplicationInfo info() {
+        return mInfo;
+    }
+
+    public String getPackageName() {
+        return mPackageName;
+    }
+
+    private Bundle metadata() {
+        return mInfo.metaData;
+    }
+
+    public String getManifest(Context context) {
+        return readResource(context, "manifest");
+    }
+
+    public String getMiniManifest(Context context) {
+        return readResource(context, "mini");
+    }
+
+    public String getManifestUrl() {
+        return metadata().getString("manifestUrl");
+    }
+
+    public boolean isPackaged() {
+        return "packaged".equals(getWebappType());
+    }
+
+    public boolean isDebuggable() {
+        return (mInfo.flags & ApplicationInfo.FLAG_DEBUGGABLE) != 0;
+    }
+
+    private String readResource(Context context, String resourceName) {
+        Uri resourceUri = Uri.parse("android.resource://" + mPackageName
+                + "/raw/" + resourceName);
+        StringBuilder fileContent = new StringBuilder();
+        try {
+            BufferedReader r = new BufferedReader(new InputStreamReader(context
+                    .getContentResolver().openInputStream(resourceUri)));
+            String line;
+
+            while ((line = r.readLine()) != null) {
+                fileContent.append(line);
+            }
+        } catch (FileNotFoundException e) {
+            Log.e(LOGTAG, String.format("File not found: \"%s\"", resourceName));
+        } catch (IOException e) {
+            Log.e(LOGTAG, String.format("Couldn't read file: \"%s\"", resourceName));
+        }
+
+        return fileContent.toString();
+    }
+
+    public Uri getAppIconUri() {
+        return Uri.parse("android.resource://" + mPackageName + "/" + info().icon);
+    }
+
+    public Drawable getAppIcon() {
+        return info().loadIcon(mContext.getPackageManager());
+    }
+
+    public String getWebappType() {
+        return metadata().getString("webapp");
+    }
+
+    public String getAppName() {
+        return info().name;
+    }
+
+    /**
+     * Which APK installer installed this APK.
+     *
+     * For OEM backed marketplaces, this will be non-<code>null</code>. Otherwise, <code>null</code>.
+     *
+     * TODO check that the G+ package installer gives us non-null results.
+     *
+     * @return the package name of the APK that installed this.
+     */
+    public String getPackageInstallerName() {
+        return mContext.getPackageManager().getInstallerPackageName(mPackageName);
+    }
+
+    public Uri getZipFileUri() {
+        return Uri.parse("android.resource://" + mPackageName + "/raw/application");
+    }
+
+    public File getFileDirectory() {
+        File dir = mContext.getExternalFilesDir(Environment.DIRECTORY_DOWNLOADS);
+        String path = dir.getAbsolutePath().replace(mContext.getPackageName(), mPackageName);
+
+        dir = new File(path);
+
+        if (!dir.exists()) {
+            dir.mkdirs();
+        }
+
+        return dir;
+    }
+}