Minimal build support for an android app. Written while the power was out.

git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@4199 ed5197a5-7fde-0310-b194-c3ffbd925b24

Makefile

@@ -20,9 +20,12 @@ CFLAGS += \
 	-g
 LDFLAGS += -Wl,--gc-sections
 
-NDK_PATH := /usr/lib/android-sdk/ndk-bundle
-NDK_API_VERSION := 30
-NDK_TARGET_TRIPLE := aarch64-linux-android
+ANDROID_SDK ?= /usr/lib/android-sdk
+ANDROID_BUILD_TOOLS := $(ANDROID_SDK)/build-tools/29.0.3
+ANDROID_PLATFORM := $(ANDROID_SDK)/platforms/android-23
+ANDROID_NDK ?= /usr/lib/android-sdk/ndk-bundle
+ANDROID_NDK_API_VERSION := 30
+ANDROID_NDK_TARGET_TRIPLE := aarch64-linux-android
 
 debug windebug androiddebug: CFLAGS += -Og
 debug release androidrelease: LDFLAGS += -rdynamic
@@ -38,14 +41,14 @@ windebug winrelease: LDFLAGS += \
 	-static \
 	-lm \
 	-Ldeps/openssl/mingw64/lib
-androiddebug androidrelease: CC = $(NDK_PATH)/toolchains/llvm/prebuilt/linux-x86_64/bin/clang
+androiddebug androidrelease: CC = $(ANDROID_NDK)/toolchains/llvm/prebuilt/linux-x86_64/bin/clang
 androiddebug androidrelease: AS = $(CC)
 androiddebug androidrelease: CFLAGS += \
-	-target $(NDK_TARGET_TRIPLE)$(NDK_API_VERSION) \
+	-target $(ANDROID_NDK_TARGET_TRIPLE)$(ANDROID_NDK_API_VERSION) \
 	-Ideps/openssl/android/arm64-v8a/usr/local/include \
 	-Wno-unknown-warning-option
 androiddebug androidrelease: LDFLAGS += \
-	-target $(NDK_TARGET_TRIPLE)$(NDK_API_VERSION) \
+	-target $(ANDROID_NDK_TARGET_TRIPLE)$(ANDROID_NDK_API_VERSION) \
 	-Ldeps/openssl/android/arm64-v8a/usr/local/lib
 
 ifeq ($(UNAME_M),x86_64)
@@ -360,6 +363,33 @@ endef
 
 $(foreach build_type,$(BUILD_TYPES),$(eval $(call build_rules,$(build_type))))
 
+# Android support.
+out/gen/com/unprompted/tildefriends/R.java: $(wildcard src/android/res/layout/*) src/android/AndroidManifest.xml
+	@mkdir -p $(dir $@)
+	@echo [aapt] R.java
+	@$(ANDROID_BUILD_TOOLS)/aapt package -f -m -J out/gen/ -S src/android/res/ -M src/android/AndroidManifest.xml -I $(ANDROID_PLATFORM)/android.jar
+
+JAVA_FILES := out/gen/com/unprompted/tildefriends/R.java $(wildcard src/android/com/unprompted/tildefriends/*.java)
+CLASS_FILES := $(foreach src,$(JAVA_FILES),out/classes/com/unprompted/tildefriends/$(notdir $(src:.java=.class)))
+
+$(CLASS_FILES) &: $(JAVA_FILES)
+	@echo [javac] $(CLASS_FILES)
+	@javac --release 9 -classpath $(ANDROID_PLATFORM)/android.jar -d out/classes $(JAVA_FILES)
+
+out/apk/classes.dex: $(CLASS_FILES)
+	@mkdir -p $(dir $@)
+	@echo [dx] $@
+	@$(ANDROID_BUILD_TOOLS)/dx --dex --output=$@ out/classes/
+
+out/TildeFriends.unsigned.apk: out/apk/classes.dex
+	@mkdir -p $(dir $@)
+	@echo [aapt] $@
+	@$(ANDROID_BUILD_TOOLS)/aapt package -f -M src/android/AndroidManifest.xml -S src/android/res/ -I $(ANDROID_PLATFORM)/android.jar -F $@ out/apk/
+
+out/TildeFriends.apk: out/TildeFriends.unsigned.apk
+	@echo [apksigner] $(notdir $@)
+	@$(ANDROID_BUILD_TOOLS)/apksigner sign --ks keystore.jks --ks-key-alias androidKey --ks-pass pass:android --key-pass pass:android --out $@ $<
+
 clean:
 	rm -rf $(BUILD_DIR)
 .PHONY: clean

README.md

@@ -28,7 +28,7 @@ privileges.  Further administration can be done at
 <http://localhost:12345/~core/admin/`>.
 
 ## Documentation
-There are the very beginnings of developer documentation in `apps/cory/docs/`
+There are the very beginnings of developer documentation in `apps/docs/`
 that can be read in-place or at <http://localhost:12345/~core/docs/>.
 
 ## License

src/android/AndroidManifest.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+	package="com.unprompted.tildefriends"
+	versionCode="1"
+	versionName="0.0.4">
+	<uses-sdk android:minSdkVersion="16"/>
+	<application android:label="Tilde Friends">
+		<activity android:name=".MainActivity">
+			<intent-filter>
+				<action android:name="android.intent.action.MAIN"/>
+				<category android:name="android.intent.category.LAUNCHER"/>
+			</intent-filter>
+		</activity>
+	</application>
+</manifest>

src/android/com/unprompted/tildefriends/MainActivity.java

@@ -0,0 +1,15 @@
+package com.unprompted.tildefriends;
+
+import android.app.Activity;
+import android.os.Bundle;
+import android.widget.TextView;
+
+public class MainActivity extends Activity {
+	@Override
+	protected void onCreate(Bundle savedInstanceState) {
+		super.onCreate(savedInstanceState);
+		setContentView(R.layout.activity_main);
+		TextView text = (TextView)findViewById(R.id.my_text);
+		text.setText("Hello, world!");
+	}
+}

src/android/com/unprompted/tildefriends/MainActivity.kt

@@ -0,0 +1,19 @@
+package com.unprompted.tildefriends
+
+import androidx.appcompat.app.AppCompatActivity
+import android.os.Bundle
+import android.view.View
+
+class MainActivity : AppCompatActivity() {
+	override fun onCreate(savedInstanceState: Bundle?) {
+		super.onCreate(savedInstanceState)
+	}
+
+	companion object {
+		/*
+		init {
+			System.loadLibrary("tildefriends");
+		}
+		*/
+	}
+}

src/android/res/layout/activity_main.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout
+	xmlns:android="http://schemas.android.com/apk/res/android"
+	android:layout_width="match_parent"
+	android:layout_height="match_parent"
+	android:gravity="center"
+	android:orientation="vertical">
+	<TextView
+		android:layout_width="wrap_content"
+		android:layout_height="wrap_content"
+		android:id="@+id/my_text"/>
+</LinearLayout>