undo removing of preBuild gradle stop

This partially reverts commit 548fe04.

Signed-off-by: Jakub Sokołowski <jakub@status.im>

android/app/build.gradle

@@ -313,4 +313,36 @@ dependencies {
     implementation 'com.facebook.fresco:animated-gif:2.0.0'
 }
 
+def getLocalNDKDir = { ->
+    def rootDir = project.rootDir
+    def localProperties = new File(rootDir, "local.properties")
+    if (!localProperties.exists()) {
+        return null
+    }
+    Properties properties = new Properties()
+    localProperties.withInputStream { instr ->
+        properties.load(instr)
+    }
+    return properties.getProperty('ndk.dir')
+}
+
+// Run this once to be able to run the application with BUCK
+// puts all compile dependencies into folder libs for BUCK to use
+task hemroidBuild(type: Exec) {
+    def localNdkDir = getLocalNDKDir()
+    def ndkDir = System.env.ANDROID_NDK_ROOT
+    if (localNdkDir != null) {
+        ndkDir = localNdkDir 
+    }
+
+    def execPath = "$ndkDir/ndk-build"
+    def exec = new File(execPath)
+    if (!exec.exists()) {
+        throw new GradleException("No ndk-build binary found!")
+    }
+    executable execPath
+}
+
+preBuild.dependsOn hemroidBuild
+
 apply from: file("../../node_modules/@react-native-community/cli-platform-android/native_modules.gradle"); applyNativeModulesAppBuildGradle(project)

nix/mobile/android/default.nix

@@ -50,7 +50,7 @@ in {
           "${mavenAndNpmDeps.drv}/project"
       '';
     })
-    (lib.catAttrs "shell" [ status-go mavenAndNpmDeps androidShell ]);
+    [ status-go.shell mavenAndNpmDeps.shell androidShell ];
 
   env = {
     shell = androidShell;