Merge pull request #5 from talknagish/shared-cpp-jsi

Shared c++ JSI library

android/src/main/java/com/reactnativeturbostarter/TurboStarterModule.kt

@@ -61,11 +61,21 @@ class TurboStarterModule(reactContext: ReactApplicationContext?) :
     return batteryManager.getIntProperty(BatteryManager.BATTERY_PROPERTY_CAPACITY).toDouble()
   }
 
+  override fun turboMultiply(num1: Double, num2: Double): Double {
+    return nativeMultiply(num1, num2)
+  }
+
   override fun getName(): String {
     return NAME
   }
 
+  private external fun nativeMultiply(num1: Double, num2: Double): Double
+
   companion object {
     const val NAME = "TurboStarter"
+
+    init {
+      System.loadLibrary("reactnativeturbostarter-jni")
+    }
   }
 }

android/src/main/jni/cpp-adapter.cpp

@@ -0,0 +1,10 @@
+#include <jni.h>
+#include "react-native-turbo-starter.h"
+#include "log.h"
+
+extern "C" JNIEXPORT jdouble JNICALL
+Java_com_reactnativeturbostarter_TurboStarterModule_nativeMultiply(JNIEnv *env, jclass type, jdouble num1, jdouble num2)
+{
+    LOGI("Calling nativeMultiply");
+    return turbostarter::multiply(num1, num2);
+}

android/src/main/jni/log.h

@@ -0,0 +1,18 @@
+#include <android/log.h>
+#include <stdio.h>
+
+#define APP_LOG_TAG "reactnativeturbostarter-jni"
+
+#define _APP_LOG(level, tag, ...)                             \
+    do                                                        \
+    {                                                         \
+        ((void)__android_log_print(level, tag, __VA_ARGS__)); \
+        printf(__VA_ARGS__);                                  \
+        printf("\n");                                         \
+        fflush(stdout);                                       \
+    } while (0)
+
+#define LOGD(...) _APP_LOG(ANDROID_LOG_DEBUG, APP_LOG_TAG, __VA_ARGS__)
+#define LOGI(...) _APP_LOG(ANDROID_LOG_INFO, APP_LOG_TAG, __VA_ARGS__)
+#define LOGW(...) _APP_LOG(ANDROID_LOG_WARN, APP_LOG_TAG, __VA_ARGS__)
+#define LOGE(...) _APP_LOG(ANDROID_LOG_ERROR, APP_LOG_TAG, __VA_ARGS__)

cpp/react-native-turbo-starter.cpp

@@ -2,4 +2,8 @@
 
 namespace turbostarter
 {
+    double multiply(double num1, double num2)
+    {
+        return num1 * num2;
+    }
 }

cpp/react-native-turbo-starter.h

@@ -3,7 +3,7 @@
 
 namespace turbostarter
 {
-
+    double multiply(double num1, double num2);
 }
 
 #endif /* TURBOSTARTER_H */

example/android/app/src/main/res/drawable/rn_edit_text_material.xml

@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2014 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<inset xmlns:android="http://schemas.android.com/apk/res/android"
+       android:insetLeft="@dimen/abc_edit_text_inset_horizontal_material"
+       android:insetRight="@dimen/abc_edit_text_inset_horizontal_material"
+       android:insetTop="@dimen/abc_edit_text_inset_top_material"
+       android:insetBottom="@dimen/abc_edit_text_inset_bottom_material">
+
+    <selector>
+        <!-- 
+          This file is a copy of abc_edit_text_material (https://bit.ly/3k8fX7I).
+          The item below with state_pressed="false" and state_focused="false" causes a NullPointerException.
+          NullPointerException:tempt to invoke virtual method 'android.graphics.drawable.Drawable android.graphics.drawable.Drawable$ConstantState.newDrawable(android.content.res.Resources)'
+
+          <item android:state_pressed="false" android:state_focused="false" android:drawable="@drawable/abc_textfield_default_mtrl_alpha"/>
+
+          For more info, see https://bit.ly/3CdLStv (react-native/pull/29452) and https://bit.ly/3nxOMoR.
+        -->
+        <item android:state_enabled="false" android:drawable="@drawable/abc_textfield_default_mtrl_alpha"/>
+        <item android:drawable="@drawable/abc_textfield_activated_mtrl_alpha"/>
+    </selector>
+
+</inset>

example/android/app/src/main/res/values/styles.xml

@@ -1,9 +1,9 @@
 <resources>
 
     <!-- Base application theme. -->
-    <style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
+    <style name="AppTheme" parent="Theme.AppCompat.DayNight.NoActionBar">
         <!-- Customize your theme here. -->
-        <item name="android:textColor">#000000</item>
+        <item name="android:editTextBackground">@drawable/rn_edit_text_material</item>
     </style>
 
 </resources>

example/src/App.tsx

@@ -32,6 +32,7 @@ import {
   getTurboObject,
   getTurboObjectGeneric,
   getTurboPromise,
+  turboMultiply,
 } from 'react-native-turbo-starter';
 
 const Section: React.FC<{
@@ -90,6 +91,8 @@ const App = () => {
     getTurboPromise(1).then((res) => console.log('t3', res));
 
     console.log('batteryLevel', getBatteryLevel());
+
+    console.log(turboMultiply(3, 3));
   }, []);
 
   const backgroundStyle = {

ios/TurboStarter.mm

@@ -70,6 +70,11 @@ - (NSNumber *)getBatteryLevel {
     return @(UIDevice.currentDevice.batteryLevel * 100);
 }
 
+- (NSNumber *) turboMultiply:(double)num1 num2:(double)num2{
+    double res = turbostarter::multiply(num1, num2);
+    return [NSNumber numberWithDouble:res];
+}
+
 + (NSString *)moduleName {
     return @"TurboStarter";
 }

src/NativeTurboStarter.ts

@@ -24,6 +24,11 @@ export interface Spec extends TurboModule {
   // Native JSI calls
   //
   getBatteryLevel(): number;
+
+  //
+  // C++ shared code
+  //
+  turboMultiply(num1: number, num2: number): number;
 }
 
 // We know the module is going to be load so we export with the "!" so it doesn't add undefined to every function return value

src/index.tsx

@@ -23,3 +23,7 @@ export async function getTurboPromise(magicNumber: number) {
 export function getBatteryLevel() {
   return NativeTurboStarter.getBatteryLevel();
 }
+
+export function turboMultiply(num1: number, num2: number) {
+  return NativeTurboStarter.turboMultiply(num1, num2);
+}