Switch to GameActivity and gradle build

Fixes: #189
Fixes: #190
Signed-off-by: William Casarin <jb55@jb55.com>

.gitignore

@@ -2,9 +2,13 @@
 build.log
 perf.data
 perf.data.old
+crates/notedeck_chrome/android/app/build
 .privenv
+*.so
 *.swp
+*.jar
 target
+.gradle
 queries/damus-notifs.json
 .git
 cache
@@ -17,4 +21,4 @@ scripts/macos_build_secrets.sh
 *.txt
 /tags
 *.mdb
-.idea/
+.idea/

Makefile

@@ -1,11 +1,21 @@
+.DEFAULT_GOAL := check
+.PHONY: fake
 
-all:
-	cargo check
+ANDROID_DIR := crates/notedeck_chrome/android
 
 check:
 	cargo check
 
 tags: fake
 	find . -type d -name target -prune -o -type f -name '*.rs' -print | xargs ctags
 
-.PHONY: fake
+jni: fake
+	cargo ndk --target arm64-v8a -o $(ANDROID_DIR)/app/src/main/jniLibs/ build --profile release
+
+apk: jni
+	cd $(ANDROID_DIR) && ./gradlew build
+
+android: jni
+	cd $(ANDROID_DIR) && ./gradlew installDebug
+	adb shell am start -n com.damus.notedeck/.MainActivity
+	adb logcat -v color -s notedeck RustStdoutStderr

crates/notedeck_chrome/android/Makefile

@@ -0,0 +1,13 @@
+.DEFAULT_GOAL := apk
+.PHONY: jni apk run-on-device
+
+jni:
+	cd rust && cargo ndk --target arm64-v8a -o ../java/app/src/main/jniLibs/ build --profile release
+
+apk: jni
+	cd java && ./gradlew build
+
+run-on-device: jni
+	cd java && ./gradlew installDebug
+	adb shell am start -n local.walkers/.MainActivity
+	adb logcat -v color -s walkers RustStdoutStderr

crates/notedeck_chrome/android/app/build.gradle

@@ -0,0 +1,28 @@
+plugins {
+    id "com.android.application"
+}
+
+android {
+    namespace "com.damus.notedeck"
+    compileSdk 31
+
+    defaultConfig {
+        minSdk 29
+        targetSdk 33
+        versionCode 1
+        versionName "1"
+    }
+
+    buildTypes {
+        debug
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+}
+
+dependencies {
+    implementation "com.google.android.material:material:1.5.0"
+    implementation "androidx.games:games-activity:2.0.2"
+}

crates/notedeck_chrome/android/app/src/main/AndroidManifest.xml

@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+    <application
+        android:allowBackup="true"
+        android:label="Notedeck"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.MaterialComponents.DayNight.NoActionBar">
+        <activity
+            android:name=".MainActivity"
+            android:configChanges="orientation|screenSize|screenLayout|keyboardHidden"
+            android:exported="true"
+            android:launchMode="singleTask"
+        >
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+
+            <meta-data
+                android:name="android.app.lib_name"
+                android:value="main" />
+        </activity>
+    </application>
+
+[[package.metadata.android.uses_feature]]
+name = "android.hardware.vulkan.level"
+required = true
+version = 1
+
+    <uses-feature android:name="android.hardware.vulkan.level"
+                  android:required="true"
+                  android:version="1" />
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+</manifest>

crates/notedeck_chrome/android/app/src/main/java/com/damus/notedeck/MainActivity.java

@@ -0,0 +1,54 @@
+package com.damus.notedeck;
+
+import android.os.Bundle;
+import android.util.Log;
+import android.view.MotionEvent;
+import android.view.View;
+import android.view.ViewGroup;
+
+import androidx.core.graphics.Insets;
+import androidx.core.view.DisplayCutoutCompat;
+import androidx.core.view.ViewCompat;
+import androidx.core.view.WindowCompat;
+import androidx.core.view.WindowInsetsCompat;
+
+import com.google.androidgamesdk.GameActivity;
+
+public class MainActivity extends GameActivity {
+  static {
+    System.loadLibrary("main");
+  }
+
+  @Override
+  protected void onCreate(Bundle savedInstanceState) {
+      // Shrink view so it does not get covered by insets.
+
+      View content = getWindow().getDecorView().findViewById(android.R.id.content);
+      ViewCompat.setOnApplyWindowInsetsListener(content, (v, windowInsets) -> {
+        Insets insets = windowInsets.getInsets(WindowInsetsCompat.Type.systemBars());
+
+        ViewGroup.MarginLayoutParams mlp = (ViewGroup.MarginLayoutParams) v.getLayoutParams();
+        mlp.topMargin = insets.top;
+        mlp.leftMargin = insets.left;
+        mlp.bottomMargin = insets.bottom;
+        mlp.rightMargin = insets.right;
+        v.setLayoutParams(mlp);
+
+        return WindowInsetsCompat.CONSUMED;
+      });
+
+      WindowCompat.setDecorFitsSystemWindows(getWindow(), true);
+
+      super.onCreate(savedInstanceState);
+  }
+
+  @Override
+  public boolean onTouchEvent(MotionEvent event) {
+      // Offset the location so it fits the view with margins caused by insets.
+
+      int[] location = new int[2];
+      findViewById(android.R.id.content).getLocationOnScreen(location);
+      event.offsetLocation(-location[0], -location[1]);
+      return super.onTouchEvent(event);
+  }
+}

crates/notedeck_chrome/android/build.gradle

@@ -0,0 +1,9 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+plugins {
+    id 'com.android.application' version '8.4.1' apply false
+    id 'com.android.library' version '8.4.1' apply false
+}
+
+task clean(type: Delete) {
+    delete rootProject.buildDir
+}

crates/notedeck_chrome/android/gradle.properties

@@ -0,0 +1,22 @@
+# Project-wide Gradle settings.
+# IDE (e.g. Android Studio) users:
+# Gradle settings configured through the IDE *will override*
+# any settings specified in this file.
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. More details, visit
+# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
+# org.gradle.parallel=true
+# AndroidX package structure to make it clearer which packages are bundled with the
+# Android operating system, and which are packaged with your app"s APK
+# https://developer.android.com/topic/libraries/support-library/androidx-rn
+android.useAndroidX=true
+# Enables namespacing of each library's R class so that its R class includes only the
+# resources declared in the library itself and none from the library's dependencies,
+# thereby reducing the size of the R class for that library
+android.nonTransitiveRClass=true
+android.nonFinalResIds=false

crates/notedeck_chrome/android/gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,5 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.6-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists