use nix for debug android builds

Makefile

@@ -268,7 +268,7 @@ run-re-frisk: ##@run Start re-frisk server
 # TODO: Migrate this to a Nix recipe, much the same way as nix/mobile/android/targets/release-android.nix
 run-android: export TARGET := android
 run-android: ##@run Build Android APK and start it on the device
-	npx react-native run-android --appIdSuffix debug
+	@scripts/run-android.sh
 
 SIMULATOR=
 run-ios: export TARGET := ios

ci/Jenkinsfile.nix-cache

@@ -75,7 +75,7 @@ pipeline {
       steps { script {
         /* build/fetch things required to build jsbundle and android */
         nix.build(
-          attr: 'targets.mobile.android.release.buildInputs',
+          attr: 'targets.mobile.android.build.buildInputs',
           sandbox: false,
           pure: false,
           link: false

nix/deps/gradle/README.md

@@ -6,7 +6,7 @@ This directory contains the tools and the data that allows Nix to manage Gradle
 
 Simply calling `generate.sh` should result in a `deps.json` file which is used in the derivation that provides Gradle dependencies when building the Android app.
 
-You can see in [`nix/mobile/android/release.nix`](../../mobile/android/release.nix) that it's used via the `-Dmaven.repo.local='${deps.gradle}'` Gradle flag.
+You can see in [`nix/mobile/android/release.nix`](../../mobile/android/build.nix) that it's used via the `-Dmaven.repo.local='${deps.gradle}'` Gradle flag.
 
 # Files
 

nix/mobile/android/build.nix

@@ -28,7 +28,10 @@ let
     else ".env";
 
   # There are only two types of Gradle build targets: pr and release
-  gradleBuildType = if buildType == "pr" then "Pr" else "Release";
+  gradleBuildType =
+    if buildType == "pr" then "Pr"
+    else if buildType == "debug" then "Debug"
+    else "Release";
 
   apksPath = "./android/app/build/outputs/apk/${toLower gradleBuildType}";
 
@@ -138,7 +141,7 @@ in stdenv.mkDerivation rec {
       || exit 1
     popd > /dev/null
   '';
-  doCheck = true;
+  doCheck = buildType != debug;
   checkPhase = ''
     ls ${apksPath}/*.apk \
       | xargs -n1 ${pkgs.unzip}/bin/unzip -qql \

nix/mobile/android/default.nix

@@ -5,10 +5,10 @@ let
   # Import a jsbundle compiled out of clojure codebase
   jsbundle = callPackage ./jsbundle { };
 
-  release = callPackage ./release.nix { inherit jsbundle status-go; };
+  build = callPackage ./build.nix { inherit jsbundle status-go; };
 in {
   # TARGETS
-  inherit release jsbundle;
+  inherit build jsbundle;
 
   shell = mkShell {
     buildInputs = with pkgs; [
@@ -19,7 +19,7 @@ in {
     ];
 
     inputsFrom = [
-      release
+      build
       androidShell
     ];
 

scripts/build-android.sh

@@ -62,4 +62,4 @@ fi
 
 nixOpts+=("--arg" "config" "{${config}}")
 
-"${GIT_ROOT}/nix/scripts/build.sh" targets.mobile.android.release "${nixOpts[@]}"
+"${GIT_ROOT}/nix/scripts/build.sh" targets.mobile.android.build "${nixOpts[@]}"

scripts/run-android.sh

@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+GIT_ROOT=$(cd "${BASH_SOURCE%/*}" && git rev-parse --show-toplevel)
+ADB_INSTALL_LOG_FILE="${GIT_ROOT}/logs/adb_install.log"
+ADB_SHELL_MONKEY_LOG_FILE="${GIT_ROOT}/logs/adb_shell_monkey.log"
+
+Generate android debug build.
+export BUILD_ENV=debug
+export BUILD_TYPE=debug
+export BUILD_NUMBER=99999
+export ANDROID_ABI_SPLIT=false
+export ANDROID_ABI_INCLUDE="armeabi-v7a;arm64-v8a;x86;x86_64"
+"${GIT_ROOT}/scripts/build-android.sh"
+
+Install the APK on running emulator or android device.
+installAndLaunchApp() {
+  adb install -r ./result/app-debug.apk > "${ADB_INSTALL_LOG_FILE}" 2>&1
+  "${GIT_ROOT}/scripts/wait-for-metro-port.sh" 2>&1
+  # connected android devices need this port to be exposed for metro
+  adb reverse "tcp:8081" "tcp:8081"
+  adb shell monkey -p im.status.ethereum.debug 1 > "${ADB_SHELL_MONKEY_LOG_FILE}" 2>&1
+}
+
+showAdbLogs() {
+  cat "${ADB_INSTALL_LOG_FILE}" >&2;
+  cat "${ADB_SHELL_MONKEY_LOG_FILE}" >&2;
+}
+
+trap showAdbLogs EXIT ERR INT QUIT
+installAndLaunchApp &
+exec "${GIT_ROOT}/scripts/run-metro.sh" 2>&1

scripts/run-metro.sh

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+
+pkill -f 'react-native start'
+
+react-native start --reset-cache

scripts/wait-for-metro-port.sh

@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+TIMEOUT=10 # Metro should not take this long to start.
+
+while [ "${TIMEOUT}" -gt 0 ]; do
+  if ! lsof -i:8081 &> /dev/null; then
+    echo "."
+    sleep 1
+    ((TIMEOUT--))
+  else
+    break
+  fi
+done