From d1542c4db8a3f2289561c9016cdd39ee585d8553 Mon Sep 17 00:00:00 2001
From: UnknownShadow200 <unknownshadow200@gmail.com>
Date: Sun, 30 Aug 2020 12:39:24 +1000
Subject: [PATCH] Show the time APK was last updated for build time in updates
 menu for android version

---
 .../java/com/classicube/MainActivity.java     | 14 +++++++++++++
 src/Platform.c                                | 20 ++++++++++++++++++-
 src/Platform.h                                |  6 ++++--
 3 files changed, 37 insertions(+), 3 deletions(-)

diff --git a/android/app/src/main/java/com/classicube/MainActivity.java b/android/app/src/main/java/com/classicube/MainActivity.java
index 06bd76873..2656cd35d 100644
--- a/android/app/src/main/java/com/classicube/MainActivity.java
+++ b/android/app/src/main/java/com/classicube/MainActivity.java
@@ -1,4 +1,5 @@
 package com.classicube;
+import java.io.File;
 import java.io.InputStream;
 import java.net.HttpURLConnection;
 import java.net.URL;
@@ -14,6 +15,7 @@ import android.content.Context;
 import android.content.ClipboardManager;
 import android.content.DialogInterface;
 import android.content.Intent;
+import android.content.pm.ApplicationInfo;
 import android.content.res.Configuration;
 import android.graphics.PixelFormat;
 import android.net.Uri;
@@ -390,6 +392,18 @@ public class MainActivity extends Activity implements SurfaceHolder.Callback2 {
 	public String getExternalAppDir() {
 		return getExternalFilesDir(null).getAbsolutePath();
 	}
+	
+	public long getApkUpdateTime() {
+		try {
+			//String name = getPackageName();
+			//ApplicationInfo info = getPackageManager().getApplicationInfo(name, 0);
+			ApplicationInfo info = getApplicationInfo();
+			File apkFile = new File(info.sourceDir);
+			return apkFile.lastModified();
+		} catch (Exception ex) {
+			return 0;
+		}
+	}
 
 	// ======================================
 	// --------------- WINDOW ---------------
diff --git a/src/Platform.c b/src/Platform.c
index 756c1b60f..617894cb4 100644
--- a/src/Platform.c
+++ b/src/Platform.c
@@ -1298,9 +1298,22 @@ cc_result Updater_SetNewBuildTime(cc_uint64 timestamp) {
 const char* const Updater_D3D9 = NULL;
 const char* const Updater_OGL  = NULL;
 
+#if defined CC_BUILD_WEB
+cc_result Updater_GetBuildTime(cc_uint64* t) { return ERR_NOT_SUPPORTED; }
+#else
+cc_result Updater_GetBuildTime(cc_uint64* t) {
+	JNIEnv* env;
+	JavaGetCurrentEnv(env);
+	
+	/* https://developer.android.com/reference/java/io/File#lastModified() */
+	/* lastModified is returned in milliseconds */
+	*t = JavaCallLong(env, "getApkUpdateTime", "()J", NULL) / 1000;
+	return 0;
+}
+#endif
+
 cc_bool Updater_Clean(void)   { return true; }
 cc_result Updater_Start(void) { return ERR_NOT_SUPPORTED; }
-cc_result Updater_GetBuildTime(cc_uint64* t)   { return ERR_NOT_SUPPORTED; }
 cc_result Updater_MarkExecutable(void)         { return 0; }
 cc_result Updater_SetNewBuildTime(cc_uint64 t) { return ERR_NOT_SUPPORTED; }
 #elif defined CC_BUILD_POSIX
@@ -1900,6 +1913,11 @@ jint JavaCallInt(JNIEnv* env, const char* name, const char* sig, jvalue* args) {
 	return (*env)->CallIntMethodA(env, App_Instance, method, args);
 }
 
+jlong JavaCallLong(JNIEnv* env, const char* name, const char* sig, jvalue* args) {
+	jmethodID method = (*env)->GetMethodID(env, App_Class, name, sig);
+	return (*env)->CallLongMethodA(env, App_Instance, method, args);
+}
+
 jfloat JavaCallFloat(JNIEnv* env, const char* name, const char* sig, jvalue* args) {
 	jmethodID method = (*env)->GetMethodID(env, App_Class, name, sig);
 	return (*env)->CallFloatMethodA(env, App_Instance, method, args);
diff --git a/src/Platform.h b/src/Platform.h
index cf7e9f6a7..c7ea39456 100644
--- a/src/Platform.h
+++ b/src/Platform.h
@@ -245,9 +245,11 @@ jobject JavaMakeString(JNIEnv* env, const String* str);
 /* Allocates a java byte array from the given block of memory. */
 jbyteArray JavaMakeBytes(JNIEnv* env, const cc_uint8* src, cc_uint32 len);
 /* Calls a method in the activity class that returns nothing. */
-void JavaCallVoid(JNIEnv* env, const char* name, const char* sig, jvalue* args);
+void JavaCallVoid(JNIEnv*  env, const char* name, const char* sig, jvalue* args);
 /* Calls a method in the activity class that returns a jint. */
-jint JavaCallInt(JNIEnv*  env, const char* name, const char* sig, jvalue* args);
+jint JavaCallInt(JNIEnv*   env, const char* name, const char* sig, jvalue* args);
+/* Calls a method in the activity class that returns a jint. */
+jlong JavaCallLong(JNIEnv* env, const char* name, const char* sig, jvalue* args);
 /* Calls a method in the activity class that returns a jint. */
 jfloat JavaCallFloat(JNIEnv*  env, const char* name, const char* sig, jvalue* args);
 /* Calls a method in the activity class that returns a jobject. */