3 Copyright (C) 2014 celeron55, Perttu Ahola <celeron55@gmail.com>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU Lesser General Public License as published by
7 the Free Software Foundation; either version 2.1 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public License along
16 with this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
21 #error This file may only be compiled for android!
24 #include "util/numeric.h"
26 #include "porting_android.h"
27 #include "threading/thread.h"
40 extern int main(int argc, char *argv[]);
42 void android_main(android_app *app)
45 porting::app_global = app;
47 Thread::setName("Main");
50 char *argv[] = {strdup(PROJECT_NAME), nullptr};
51 main(ARRLEN(argv) - 1, argv);
53 } catch (std::exception &e) {
54 errorstream << "Uncaught exception in main thread: " << e.what() << std::endl;
57 errorstream << "Uncaught exception in main thread!" << std::endl;
61 porting::cleanupAndroid();
62 infostream << "Shutting down." << std::endl;
67 * Handler for finished message box input
68 * Intentionally NOT in namespace porting
69 * ToDo: this doesn't work as expected, there's a workaround for it right now
72 JNIEXPORT void JNICALL Java_net_minetest_minetest_GameActivity_putMessageBoxResult(
73 JNIEnv *env, jclass thiz, jstring text)
76 "Java_net_minetest_minetest_GameActivity_putMessageBoxResult got: " <<
77 std::string((const char*) env->GetStringChars(text, nullptr)) << std::endl;
82 android_app *app_global;
84 jclass nativeActivity;
86 jclass findClass(const std::string &classname)
88 if (jnienv == nullptr)
91 jclass nativeactivity = jnienv->FindClass("android/app/NativeActivity");
92 jmethodID getClassLoader = jnienv->GetMethodID(
93 nativeactivity, "getClassLoader", "()Ljava/lang/ClassLoader;");
94 jobject cls = jnienv->CallObjectMethod(
95 app_global->activity->clazz, getClassLoader);
96 jclass classLoader = jnienv->FindClass("java/lang/ClassLoader");
97 jmethodID findClass = jnienv->GetMethodID(classLoader, "loadClass",
98 "(Ljava/lang/String;)Ljava/lang/Class;");
99 jstring strClassName = jnienv->NewStringUTF(classname.c_str());
100 return (jclass) jnienv->CallObjectMethod(cls, findClass, strClassName);
105 porting::jnienv = nullptr;
106 JavaVM *jvm = app_global->activity->vm;
107 JavaVMAttachArgs lJavaVMAttachArgs;
108 lJavaVMAttachArgs.version = JNI_VERSION_1_6;
109 lJavaVMAttachArgs.name = PROJECT_NAME_C "NativeThread";
110 lJavaVMAttachArgs.group = nullptr;
112 if (jvm->AttachCurrentThread(&porting::jnienv, &lJavaVMAttachArgs) == JNI_ERR) {
113 errorstream << "Failed to attach native thread to jvm" << std::endl;
117 nativeActivity = findClass("net/minetest/minetest/GameActivity");
118 if (nativeActivity == nullptr)
120 "porting::initAndroid unable to find java native activity class" <<
124 // in the start-up code
125 __android_log_print(ANDROID_LOG_ERROR, PROJECT_NAME_C,
126 "Initializing GPROF profiler");
127 monstartup("libMinetest.so");
131 void cleanupAndroid()
134 errorstream << "Shutting down GPROF profiler" << std::endl;
135 setenv("CPUPROFILE", (path_user + DIR_DELIM + "gmon.out").c_str(), 1);
139 JavaVM *jvm = app_global->activity->vm;
140 jvm->DetachCurrentThread();
143 static std::string javaStringToUTF8(jstring js)
146 // Get string as a UTF-8 c-string
147 const char *c_str = jnienv->GetStringUTFChars(js, nullptr);
150 // And free the c-string
151 jnienv->ReleaseStringUTFChars(js, c_str);
155 void initializePathsAndroid()
157 // Set user and share paths
159 jmethodID getUserDataPath = jnienv->GetMethodID(nativeActivity,
160 "getUserDataPath", "()Ljava/lang/String;");
161 FATAL_ERROR_IF(getUserDataPath==nullptr,
162 "porting::initializePathsAndroid unable to find Java getUserDataPath method");
163 jobject result = jnienv->CallObjectMethod(app_global->activity->clazz, getUserDataPath);
164 const char *javachars = jnienv->GetStringUTFChars((jstring) result, nullptr);
165 path_user = javachars;
166 path_share = javachars;
167 path_locale = path_share + DIR_DELIM + "locale";
168 jnienv->ReleaseStringUTFChars((jstring) result, javachars);
173 jmethodID getCachePath = jnienv->GetMethodID(nativeActivity,
174 "getCachePath", "()Ljava/lang/String;");
175 FATAL_ERROR_IF(getCachePath==nullptr,
176 "porting::initializePathsAndroid unable to find Java getCachePath method");
177 jobject result = jnienv->CallObjectMethod(app_global->activity->clazz, getCachePath);
178 const char *javachars = jnienv->GetStringUTFChars((jstring) result, nullptr);
179 path_cache = javachars;
180 jnienv->ReleaseStringUTFChars((jstring) result, javachars);
186 void showInputDialog(const std::string &acceptButton, const std::string &hint,
187 const std::string ¤t, int editType)
189 jmethodID showdialog = jnienv->GetMethodID(nativeActivity, "showDialog",
190 "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;I)V");
192 FATAL_ERROR_IF(showdialog == nullptr,
193 "porting::showInputDialog unable to find java show dialog method");
195 jstring jacceptButton = jnienv->NewStringUTF(acceptButton.c_str());
196 jstring jhint = jnienv->NewStringUTF(hint.c_str());
197 jstring jcurrent = jnienv->NewStringUTF(current.c_str());
198 jint jeditType = editType;
200 jnienv->CallVoidMethod(app_global->activity->clazz, showdialog,
201 jacceptButton, jhint, jcurrent, jeditType);
204 void openURIAndroid(const std::string &url)
206 jmethodID url_open = jnienv->GetMethodID(nativeActivity, "openURI",
207 "(Ljava/lang/String;)V");
209 FATAL_ERROR_IF(url_open == nullptr,
210 "porting::openURIAndroid unable to find java openURI method");
212 jstring jurl = jnienv->NewStringUTF(url.c_str());
213 jnienv->CallVoidMethod(app_global->activity->clazz, url_open, jurl);
216 int getInputDialogState()
218 jmethodID dialogstate = jnienv->GetMethodID(nativeActivity,
219 "getDialogState", "()I");
221 FATAL_ERROR_IF(dialogstate == nullptr,
222 "porting::getInputDialogState unable to find java dialog state method");
224 return jnienv->CallIntMethod(app_global->activity->clazz, dialogstate);
227 std::string getInputDialogValue()
229 jmethodID dialogvalue = jnienv->GetMethodID(nativeActivity,
230 "getDialogValue", "()Ljava/lang/String;");
232 FATAL_ERROR_IF(dialogvalue == nullptr,
233 "porting::getInputDialogValue unable to find java dialog value method");
235 jobject result = jnienv->CallObjectMethod(app_global->activity->clazz,
238 const char *javachars = jnienv->GetStringUTFChars((jstring) result, nullptr);
239 std::string text(javachars);
240 jnienv->ReleaseStringUTFChars((jstring) result, javachars);
246 float getDisplayDensity()
248 static bool firstrun = true;
249 static float value = 0;
252 jmethodID getDensity = jnienv->GetMethodID(nativeActivity,
253 "getDensity", "()F");
255 FATAL_ERROR_IF(getDensity == nullptr,
256 "porting::getDisplayDensity unable to find java getDensity method");
258 value = jnienv->CallFloatMethod(app_global->activity->clazz, getDensity);
264 v2u32 getDisplaySize()
266 static bool firstrun = true;
270 jmethodID getDisplayWidth = jnienv->GetMethodID(nativeActivity,
271 "getDisplayWidth", "()I");
273 FATAL_ERROR_IF(getDisplayWidth == nullptr,
274 "porting::getDisplayWidth unable to find java getDisplayWidth method");
276 retval.X = jnienv->CallIntMethod(app_global->activity->clazz,
279 jmethodID getDisplayHeight = jnienv->GetMethodID(nativeActivity,
280 "getDisplayHeight", "()I");
282 FATAL_ERROR_IF(getDisplayHeight == nullptr,
283 "porting::getDisplayHeight unable to find java getDisplayHeight method");
285 retval.Y = jnienv->CallIntMethod(app_global->activity->clazz,
292 #endif // ndef SERVER