Updated to support Android platform

10 files changed, 160 insertions, 33 deletions

diff --git a/examples/web/textures/textures_image_drawing.c b/examples/web/textures/textures_image_drawing.c
index 3e0dd47..4e0508f 100644
--- a/examples/web/textures/textures_image_drawing.c
+++ b/examples/web/textures/textures_image_drawing.c
@@ -17,6 +17,10 @@
     #include <emscripten/emscripten.h>
 #endif
 
+#if defined(PLATFORM_ANDROID)
+    #include "android_native_app_glue.h"
+#endif
+
 //----------------------------------------------------------------------------------
 // Global Variables Definition
 //----------------------------------------------------------------------------------
@@ -33,12 +37,20 @@ void UpdateDrawFrame(void);     // Update and Draw one frame
 //----------------------------------------------------------------------------------
 // Main Enry Point
 //----------------------------------------------------------------------------------
-int main()
+#if defined(PLATFORM_ANDROID)
+void android_main(struct android_app *app) 
+#else
+int main(void)
+#endif
 {
     // Initialization
     //--------------------------------------------------------------------------------------
+#if defined(PLATFORM_ANDROID)
+    InitWindow(screenWidth, screenHeight, app);
+#else
     InitWindow(screenWidth, screenHeight, "raylib [textures] example - image drawing");
-    
+#endif
+
     Image cat = LoadImage("resources/cat.png");             // Load image in CPU memory (RAM)
     ImageCrop(&cat, (Rectangle){ 100, 10, 280, 380 });      // Crop an image piece
     ImageFlipHorizontal(&cat);                              // Flip cropped image horizontally
@@ -74,8 +86,9 @@ int main()
     
     CloseWindow();				// Close window and OpenGL context
     //--------------------------------------------------------------------------------------
-
+#if !defined(PLATFORM_ANDROID)
     return 0;
+#endif
 }
 
 //----------------------------------------------------------------------------------
diff --git a/examples/web/textures/textures_image_generation.c b/examples/web/textures/textures_image_generation.c
index 9932ab6..e5dba4a 100644
--- a/examples/web/textures/textures_image_generation.c
+++ b/examples/web/textures/textures_image_generation.c
@@ -15,6 +15,10 @@
     #include <emscripten/emscripten.h>
 #endif
 
+#if defined(PLATFORM_ANDROID)
+    #include "android_native_app_glue.h"
+#endif
+
 #define NUM_TEXTURES  7      // Currently we have 7 generation algorithms
 
 //----------------------------------------------------------------------------------
@@ -35,14 +39,19 @@ void UpdateDrawFrame(void);     // Update and Draw one frame
 //----------------------------------------------------------------------------------
 // Main Enry Point
 //----------------------------------------------------------------------------------
-int main()
+#if defined(PLATFORM_ANDROID)
+void android_main(struct android_app *app) 
+#else
+int main(void)
+#endif
 {
     // Initialization
     //--------------------------------------------------------------------------------------
-    int screenWidth = 800;
-    int screenHeight = 450;
-
+#if defined(PLATFORM_ANDROID)
+    InitWindow(screenWidth, screenHeight, app);
+#else
     InitWindow(screenWidth, screenHeight, "raylib [textures] example - procedural images generation");
+#endif
 
     Image verticalGradient = GenImageGradientV(screenWidth, screenHeight, RED, BLUE);
     Image horizontalGradient = GenImageGradientH(screenWidth, screenHeight, RED, BLUE);
@@ -90,8 +99,9 @@ int main()
     
     CloseWindow();                // Close window and OpenGL context
     //--------------------------------------------------------------------------------------
-    
+#if !defined(PLATFORM_ANDROID)
     return 0;
+#endif
 }
 
 //----------------------------------------------------------------------------------
diff --git a/examples/web/textures/textures_image_loading.c b/examples/web/textures/textures_image_loading.c
index 6455221..17680a0 100644
--- a/examples/web/textures/textures_image_loading.c
+++ b/examples/web/textures/textures_image_loading.c
@@ -17,6 +17,10 @@
     #include <emscripten/emscripten.h>
 #endif
 
+#if defined(PLATFORM_ANDROID)
+    #include "android_native_app_glue.h"
+#endif
+
 //----------------------------------------------------------------------------------
 // Global Variables Definition
 //----------------------------------------------------------------------------------
@@ -34,12 +38,20 @@ void UpdateDrawFrame(void);     // Update and Draw one frame
 //----------------------------------------------------------------------------------
 // Main Enry Point
 //----------------------------------------------------------------------------------
-int main()
+#if defined(PLATFORM_ANDROID)
+void android_main(struct android_app *app) 
+#else
+int main(void)
+#endif
 {
     // Initialization
     //--------------------------------------------------------------------------------------
+#if defined(PLATFORM_ANDROID)
+    InitWindow(screenWidth, screenHeight, app);
+#else
     InitWindow(screenWidth, screenHeight, "raylib [textures] example - image loading");
-    
+#endif
+
     Image image = LoadImage("resources/raylib_logo.png");     // Loaded in CPU memory (RAM)
     texture = LoadTextureFromImage(image);              // Image converted to texture, GPU memory (VRAM)
     UnloadImage(image);   // Once image has been converted to texture and uploaded to VRAM, it can be unloaded from RAM
@@ -64,8 +76,9 @@ int main()
     
     CloseWindow();				// Close window and OpenGL context
     //--------------------------------------------------------------------------------------
-
+#if !defined(PLATFORM_ANDROID)
     return 0;
+#endif
 }
 
 //----------------------------------------------------------------------------------
diff --git a/examples/web/textures/textures_image_processing.c b/examples/web/textures/textures_image_processing.c
index 39b40fe..68b894e 100644
--- a/examples/web/textures/textures_image_processing.c
+++ b/examples/web/textures/textures_image_processing.c
@@ -19,6 +19,10 @@
     #include <emscripten/emscripten.h>
 #endif
 
+#if defined(PLATFORM_ANDROID)
+    #include "android_native_app_glue.h"
+#endif
+
 #define NUM_PROCESSES    8
 
 //----------------------------------------------------------------------------------
@@ -65,12 +69,20 @@ void UpdateDrawFrame(void);     // Update and Draw one frame
 //----------------------------------------------------------------------------------
 // Main Enry Point
 //----------------------------------------------------------------------------------
-int main()
+#if defined(PLATFORM_ANDROID)
+void android_main(struct android_app *app) 
+#else
+int main(void)
+#endif
 {
     // Initialization
     //--------------------------------------------------------------------------------------
+#if defined(PLATFORM_ANDROID)
+    InitWindow(screenWidth, screenHeight, app);
+#else
     InitWindow(screenWidth, screenHeight, "raylib [textures] example - image processing");
-    
+#endif
+
     // NOTE: Textures MUST be loaded after Window initialization (OpenGL context is required)
 
     image = LoadImage("resources/parrots.png");   // Loaded in CPU memory (RAM)
@@ -99,8 +111,9 @@ int main()
     
     CloseWindow();				// Close window and OpenGL context
     //--------------------------------------------------------------------------------------
-
+#if !defined(PLATFORM_ANDROID)
     return 0;
+#endif
 }
 
 //----------------------------------------------------------------------------------
diff --git a/examples/web/textures/textures_logo_raylib.c b/examples/web/textures/textures_logo_raylib.c
index 836735a..a5f1154 100644
--- a/examples/web/textures/textures_logo_raylib.c
+++ b/examples/web/textures/textures_logo_raylib.c
@@ -15,6 +15,10 @@
     #include <emscripten/emscripten.h>
 #endif
 
+#if defined(PLATFORM_ANDROID)
+    #include "android_native_app_glue.h"
+#endif
+
 //----------------------------------------------------------------------------------
 // Global Variables Definition
 //----------------------------------------------------------------------------------
@@ -32,12 +36,20 @@ void UpdateDrawFrame(void);     // Update and Draw one frame
 //----------------------------------------------------------------------------------
 // Main Enry Point
 //----------------------------------------------------------------------------------
-int main()
+#if defined(PLATFORM_ANDROID)
+void android_main(struct android_app *app) 
+#else
+int main(void)
+#endif
 {
     // Initialization
     //--------------------------------------------------------------------------------------
+#if defined(PLATFORM_ANDROID)
+    InitWindow(screenWidth, screenHeight, app);
+#else
     InitWindow(screenWidth, screenHeight, "raylib [textures] example - texture loading and drawing");
-   
+#endif
+
     texture = LoadTexture("resources/raylib_logo.png");        // Texture loading
     
 #if defined(PLATFORM_WEB)
@@ -59,8 +71,9 @@ int main()
 	
     CloseWindow();        // Close window and OpenGL context
     //--------------------------------------------------------------------------------------
-
+#if !defined(PLATFORM_ANDROID)
     return 0;
+#endif
 }
 
 //----------------------------------------------------------------------------------
diff --git a/examples/web/textures/textures_particles_blending.c b/examples/web/textures/textures_particles_blending.c
index 1ddacf8..c9f468a 100644
--- a/examples/web/textures/textures_particles_blending.c
+++ b/examples/web/textures/textures_particles_blending.c
@@ -15,6 +15,10 @@
     #include <emscripten/emscripten.h>
 #endif
 
+#if defined(PLATFORM_ANDROID)
+    #include "android_native_app_glue.h"
+#endif
+
 #define MAX_PARTICLES 200
 
 //----------------------------------------------------------------------------------
@@ -50,13 +54,21 @@ void UpdateDrawFrame(void);     // Update and Draw one frame
 //----------------------------------------------------------------------------------
 // Main Enry Point
 //----------------------------------------------------------------------------------
-int main()
+#if defined(PLATFORM_ANDROID)
+void android_main(struct android_app *app) 
+#else
+int main(void)
+#endif
 {
     // Initialization
     //--------------------------------------------------------------------------------------
+#if defined(PLATFORM_ANDROID)
+    InitWindow(screenWidth, screenHeight, app);
+#else
     InitWindow(screenWidth, screenHeight, "raylib [textures] example - particles blending");
-    
-     // Initialize particles
+#endif
+
+    // Initialize particles
     for (int i = 0; i < MAX_PARTICLES; i++)
     {
         mouseTail[i].position = (Vector2){ 0, 0 };
@@ -88,8 +100,9 @@ int main()
 
     CloseWindow();        // Close window and OpenGL context
     //--------------------------------------------------------------------------------------
-
+#if !defined(PLATFORM_ANDROID)
     return 0;
+#endif
 }
 
 //----------------------------------------------------------------------------------
diff --git a/examples/web/textures/textures_raw_data.c b/examples/web/textures/textures_raw_data.c
index f06c798..f3fe93e 100644
--- a/examples/web/textures/textures_raw_data.c
+++ b/examples/web/textures/textures_raw_data.c
@@ -19,6 +19,10 @@
     #include <emscripten/emscripten.h>
 #endif
 
+#if defined(PLATFORM_ANDROID)
+    #include "android_native_app_glue.h"
+#endif
+
 //----------------------------------------------------------------------------------
 // Global Variables Definition
 //----------------------------------------------------------------------------------
@@ -36,12 +40,20 @@ void UpdateDrawFrame(void);     // Update and Draw one frame
 //----------------------------------------------------------------------------------
 // Main Enry Point
 //----------------------------------------------------------------------------------
-int main()
+#if defined(PLATFORM_ANDROID)
+void android_main(struct android_app *app) 
+#else
+int main(void)
+#endif
 {
     // Initialization
     //--------------------------------------------------------------------------------------
+#if defined(PLATFORM_ANDROID)
+    InitWindow(screenWidth, screenHeight, app);
+#else
     InitWindow(screenWidth, screenHeight, "raylib [textures] example - texture from raw data");
-    
+#endif
+
     // Load RAW image data (512x512, 32bit RGBA, no file header)
     Image fudesumiRaw = LoadImageRaw("resources/fudesumi.raw", 384, 512, UNCOMPRESSED_R8G8B8A8, 0);
     fudesumi = LoadTextureFromImage(fudesumiRaw);       // Upload CPU (RAM) image to GPU (VRAM)
@@ -91,8 +103,9 @@ int main()
     
     CloseWindow();				// Close window and OpenGL context
     //--------------------------------------------------------------------------------------
-
+#if !defined(PLATFORM_ANDROID)
     return 0;
+#endif
 }
 
 //----------------------------------------------------------------------------------
diff --git a/examples/web/textures/textures_rectangle.c b/examples/web/textures/textures_rectangle.c
index 0783f88..3efe9a0 100644
--- a/examples/web/textures/textures_rectangle.c
+++ b/examples/web/textures/textures_rectangle.c
@@ -15,6 +15,10 @@
     #include <emscripten/emscripten.h>
 #endif
 
+#if defined(PLATFORM_ANDROID)
+    #include "android_native_app_glue.h"
+#endif
+
 #define MAX_FRAME_SPEED     15
 #define MIN_FRAME_SPEED      1
 
@@ -43,12 +47,20 @@ void UpdateDrawFrame(void);     // Update and Draw one frame
 //----------------------------------------------------------------------------------
 // Main Enry Point
 //----------------------------------------------------------------------------------
-int main()
+#if defined(PLATFORM_ANDROID)
+void android_main(struct android_app *app) 
+#else
+int main(void)
+#endif
 {
     // Initialization
     //--------------------------------------------------------------------------------------
+#if defined(PLATFORM_ANDROID)
+    InitWindow(screenWidth, screenHeight, app);
+#else
     InitWindow(screenWidth, screenHeight, "raylib [texture] example - texture rectangle");
-   
+#endif
+
     scarfy = LoadTexture("resources/scarfy.png");        // Texture loading
     position = (Vector2){ 350.0f, 280.0f };
     
@@ -74,8 +86,9 @@ int main()
     
     CloseWindow();        // Close window and OpenGL context
     //--------------------------------------------------------------------------------------
-
+#if !defined(PLATFORM_ANDROID)
     return 0;
+#endif
 }
 
 //----------------------------------------------------------------------------------
diff --git a/examples/web/textures/textures_srcrec_dstrec.c b/examples/web/textures/textures_srcrec_dstrec.c
index 5a93818..3eadacb 100644
--- a/examples/web/textures/textures_srcrec_dstrec.c
+++ b/examples/web/textures/textures_srcrec_dstrec.c
@@ -15,6 +15,10 @@
     #include <emscripten/emscripten.h>
 #endif
 
+#if defined(PLATFORM_ANDROID)
+    #include "android_native_app_glue.h"
+#endif
+
 //----------------------------------------------------------------------------------
 // Global Variables Definition
 //----------------------------------------------------------------------------------
@@ -41,12 +45,20 @@ void UpdateDrawFrame(void);     // Update and Draw one frame
 //----------------------------------------------------------------------------------
 // Main Enry Point
 //----------------------------------------------------------------------------------
-int main()
+#if defined(PLATFORM_ANDROID)
+void android_main(struct android_app *app) 
+#else
+int main(void)
+#endif
 {
     // Initialization
     //--------------------------------------------------------------------------------------
+#if defined(PLATFORM_ANDROID)
+    InitWindow(screenWidth, screenHeight, app);
+#else
     InitWindow(screenWidth, screenHeight, "raylib [textures] examples - texture source and destination rectangles");
-    
+#endif
+
     scarfy = LoadTexture("resources/scarfy.png");        // Texture loading
     
     frameWidth = scarfy.width/6;
@@ -82,8 +94,9 @@ int main()
      
     CloseWindow();                  // Close window and OpenGL context
     //--------------------------------------------------------------------------------------
-
+#if !defined(PLATFORM_ANDROID)
     return 0;
+#endif
 }
 
 //----------------------------------------------------------------------------------
diff --git a/examples/web/textures/textures_to_image.c b/examples/web/textures/textures_to_image.c
index df7b458..eb494d5 100644
--- a/examples/web/textures/textures_to_image.c
+++ b/examples/web/textures/textures_to_image.c
@@ -17,6 +17,10 @@
     #include <emscripten/emscripten.h>
 #endif
 
+#if defined(PLATFORM_ANDROID)
+    #include "android_native_app_glue.h"
+#endif
+
 //----------------------------------------------------------------------------------
 // Global Variables Definition
 //----------------------------------------------------------------------------------
@@ -37,12 +41,20 @@ void UpdateDrawFrame(void);     // Update and Draw one frame
 //----------------------------------------------------------------------------------
 // Main Enry Point
 //----------------------------------------------------------------------------------
-int main()
+#if defined(PLATFORM_ANDROID)
+void android_main(struct android_app *app) 
+#else
+int main(void)
+#endif
 {
     // Initialization
     //--------------------------------------------------------------------------------------
+#if defined(PLATFORM_ANDROID)
+    InitWindow(screenWidth, screenHeight, app);
+#else
     InitWindow(screenWidth, screenHeight, "raylib [textures] example - texture to image");
-    
+#endif
+
     image = LoadImage("resources/raylib_logo.png");  // Load image data into CPU memory (RAM)
     texture = LoadTextureFromImage(image);           // Image converted to texture, GPU memory (RAM -> VRAM)
     UnloadImage(image);                              // Unload image data from CPU memory (RAM)
@@ -72,8 +84,9 @@ int main()
     
     CloseWindow();        // Close window and OpenGL context
     //--------------------------------------------------------------------------------------
-
+#if !defined(PLATFORM_ANDROID)
     return 0;
+#endif
 }
 
 //----------------------------------------------------------------------------------