From edbe0348474f6c88cc2935deb9fa52e323e7dc91 Mon Sep 17 00:00:00 2001
From: Jason Simmons <jason-simmons@users.noreply.github.com>
Date: Wed, 19 Oct 2016 16:10:46 -0700
Subject: [PATCH] Specify the algorithm used to sign APK packages (#6404)

Required for compatibility with older versions of Android
---
 packages/flutter_tools/lib/src/commands/build_apk.dart | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/packages/flutter_tools/lib/src/commands/build_apk.dart b/packages/flutter_tools/lib/src/commands/build_apk.dart
index e30c4f3090c..6ac544bddeb 100644
--- a/packages/flutter_tools/lib/src/commands/build_apk.dart
+++ b/packages/flutter_tools/lib/src/commands/build_apk.dart
@@ -129,6 +129,8 @@ class _ApkBuilder {
       '-keystore', keystore.path,
       '-storepass', keystorePassword,
       '-keypass', keyPassword,
+      '-digestalg', 'SHA1',
+      '-sigalg', 'MD5withRSA',
       outputApk.path,
       keyAlias,
     ]);