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Add support for Android 2.3+
There have been plenty of ppl involved in creating this version. I don't wanna mention names as I'm sure I'd forget someone so I just tell where help has been done: - The partial android versions done by various ppl - Testing on different android devices - reviewing code (especially the in core changes) - testing controls - reviewing texts A big thank you to everyone helping this to be completed!
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sapier
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66 changed files with 4425 additions and 162 deletions
295
src/porting_android.cpp
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295
src/porting_android.cpp
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/*
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Minetest
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Copyright (C) 2014 celeron55, Perttu Ahola <celeron55@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef __ANDROID__
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#error This file may only be compiled for android!
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#endif
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#include "porting.h"
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#include "porting_android.h"
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#include "config.h"
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#include "filesys.h"
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#include "log.h"
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#include <sstream>
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#ifdef GPROF
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#include "prof.h"
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#endif
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extern int main(int argc, char *argv[]);
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void android_main(android_app *app)
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{
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int retval = 0;
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porting::app_global = app;
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porting::setThreadName("MainThread");
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try {
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app_dummy();
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char *argv[] = { (char*) "minetest" };
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main(sizeof(argv) / sizeof(argv[0]), argv);
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}
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catch(BaseException e) {
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std::stringstream msg;
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msg << "Exception handled by main: " << e.what();
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const char* message = msg.str().c_str();
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__android_log_print(ANDROID_LOG_ERROR, PROJECT_NAME, "%s", message);
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errorstream << msg << std::endl;
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retval = -1;
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}
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catch(...) {
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__android_log_print(ANDROID_LOG_ERROR, PROJECT_NAME,
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"Some exception occured");
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errorstream << "Uncaught exception in main thread!" << std::endl;
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retval = -1;
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}
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porting::cleanupAndroid();
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errorstream << "Shutting down minetest." << std::endl;
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exit(retval);
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}
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/* handler for finished message box input */
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/* Intentionally NOT in namespace porting */
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/* TODO this doesn't work as expected, no idea why but there's a workaround */
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/* for it right now */
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extern "C" {
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JNIEXPORT void JNICALL Java_org_minetest_MtNativeActivity_putMessageBoxResult(
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JNIEnv * env, jclass thiz, jstring text)
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{
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errorstream << "Java_org_minetest_MtNativeActivity_putMessageBoxResult got: "
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<< std::string((const char*)env->GetStringChars(text,0))
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<< std::endl;
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}
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}
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namespace porting {
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std::string path_storage = DIR_DELIM "sdcard" DIR_DELIM;
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android_app* app_global;
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JNIEnv* jnienv;
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jclass nativeActivity;
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jclass findClass(std::string classname)
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{
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if (jnienv == 0) {
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return 0;
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}
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jclass nativeactivity = jnienv->FindClass("android/app/NativeActivity");
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jmethodID getClassLoader =
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jnienv->GetMethodID(nativeactivity,"getClassLoader",
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"()Ljava/lang/ClassLoader;");
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jobject cls =
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jnienv->CallObjectMethod(app_global->activity->clazz, getClassLoader);
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jclass classLoader = jnienv->FindClass("java/lang/ClassLoader");
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jmethodID findClass =
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jnienv->GetMethodID(classLoader, "loadClass",
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"(Ljava/lang/String;)Ljava/lang/Class;");
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jstring strClassName =
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jnienv->NewStringUTF(classname.c_str());
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return (jclass) jnienv->CallObjectMethod(cls, findClass, strClassName);
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}
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void copyAssets()
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{
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jmethodID assetcopy = jnienv->GetMethodID(nativeActivity,"copyAssets","()V");
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if (assetcopy == 0) {
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assert("porting::copyAssets unable to find copy assets method" == 0);
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}
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jnienv->CallVoidMethod(app_global->activity->clazz, assetcopy);
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}
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void initAndroid()
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{
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porting::jnienv = NULL;
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JavaVM *jvm = app_global->activity->vm;
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JavaVMAttachArgs lJavaVMAttachArgs;
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lJavaVMAttachArgs.version = JNI_VERSION_1_6;
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lJavaVMAttachArgs.name = "MinetestNativeThread";
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lJavaVMAttachArgs.group = NULL;
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#ifdef NDEBUG
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// This is a ugly hack as arm v7a non debuggable builds crash without this
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// printf ... if someone finds out why please fix it!
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infostream << "Attaching native thread. " << std::endl;
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#endif
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if ( jvm->AttachCurrentThread(&porting::jnienv, &lJavaVMAttachArgs) == JNI_ERR) {
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errorstream << "Failed to attach native thread to jvm" << std::endl;
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exit(-1);
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}
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nativeActivity = findClass("org/minetest/minetest/MtNativeActivity");
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if (nativeActivity == 0) {
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errorstream <<
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"porting::initAndroid unable to find java native activity class" <<
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std::endl;
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}
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#ifdef GPROF
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/* in the start-up code */
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__android_log_print(ANDROID_LOG_ERROR, PROJECT_NAME,
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"Initializing GPROF profiler");
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monstartup("libminetest.so");
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#endif
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}
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void cleanupAndroid()
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{
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#ifdef GPROF
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errorstream << "Shutting down GPROF profiler" << std::endl;
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setenv("CPUPROFILE", (path_user + DIR_DELIM + "gmon.out").c_str(), 1);
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moncleanup();
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#endif
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JavaVM *jvm = app_global->activity->vm;
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jvm->DetachCurrentThread();
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}
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void setExternalStorageDir(JNIEnv* lJNIEnv)
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{
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// Android: Retrieve ablsolute path to external storage device (sdcard)
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jclass ClassEnv = lJNIEnv->FindClass("android/os/Environment");
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jmethodID MethodDir =
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lJNIEnv->GetStaticMethodID(ClassEnv,
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"getExternalStorageDirectory","()Ljava/io/File;");
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jobject ObjectFile = lJNIEnv->CallStaticObjectMethod(ClassEnv, MethodDir);
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jclass ClassFile = lJNIEnv->FindClass("java/io/File");
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jmethodID MethodPath =
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lJNIEnv->GetMethodID(ClassFile, "getAbsolutePath",
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"()Ljava/lang/String;");
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jstring StringPath =
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(jstring) lJNIEnv->CallObjectMethod(ObjectFile, MethodPath);
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const char *externalPath = lJNIEnv->GetStringUTFChars(StringPath, NULL);
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std::string userPath(externalPath);
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lJNIEnv->ReleaseStringUTFChars(StringPath, externalPath);
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path_storage = userPath;
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path_user = userPath + DIR_DELIM + PROJECT_NAME;
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path_share = userPath + DIR_DELIM + PROJECT_NAME;
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}
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void showInputDialog(const std::string& acceptButton, const std::string& hint,
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const std::string& current, int editType)
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{
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jmethodID showdialog = jnienv->GetMethodID(nativeActivity,"showDialog",
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"(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;I)V");
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if (showdialog == 0) {
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assert("porting::showInputDialog unable to find java show dialog method" == 0);
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}
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jstring jacceptButton = jnienv->NewStringUTF(acceptButton.c_str());
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jstring jhint = jnienv->NewStringUTF(hint.c_str());
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jstring jcurrent = jnienv->NewStringUTF(current.c_str());
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jint jeditType = editType;
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jnienv->CallVoidMethod(app_global->activity->clazz, showdialog,
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jacceptButton, jhint, jcurrent, jeditType);
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}
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int getInputDialogState()
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{
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jmethodID dialogstate = jnienv->GetMethodID(nativeActivity,
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"getDialogState", "()I");
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if (dialogstate == 0) {
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assert("porting::getInputDialogState unable to find java dialog state method" == 0);
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}
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return jnienv->CallIntMethod(app_global->activity->clazz, dialogstate);
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}
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std::string getInputDialogValue()
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{
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jmethodID dialogvalue = jnienv->GetMethodID(nativeActivity,
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"getDialogValue", "()Ljava/lang/String;");
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if (dialogvalue == 0) {
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assert("porting::getInputDialogValue unable to find java dialog value method" == 0);
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}
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jobject result = jnienv->CallObjectMethod(app_global->activity->clazz,
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dialogvalue);
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const char* javachars = jnienv->GetStringUTFChars((jstring) result,0);
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std::string text(javachars);
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jnienv->ReleaseStringUTFChars((jstring) result, javachars);
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return text;
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}
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#if not defined(SERVER)
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float getDisplayDensity()
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{
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static bool firstrun = true;
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static float value = 0;
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if (firstrun) {
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jmethodID getDensity = jnienv->GetMethodID(nativeActivity, "getDensity",
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"()F");
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if (getDensity == 0) {
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assert("porting::getDisplayDensity unable to find java getDensity method" == 0);
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}
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value = jnienv->CallFloatMethod(app_global->activity->clazz, getDensity);
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firstrun = false;
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}
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return value;
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}
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v2u32 getDisplaySize()
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{
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static bool firstrun = true;
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static v2u32 retval;
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if (firstrun) {
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jmethodID getDisplayWidth = jnienv->GetMethodID(nativeActivity,
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"getDisplayWidth", "()I");
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if (getDisplayWidth == 0) {
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assert("porting::getDisplayWidth unable to find java getDisplayWidth method" == 0);
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}
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retval.X = jnienv->CallIntMethod(app_global->activity->clazz,
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getDisplayWidth);
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jmethodID getDisplayHeight = jnienv->GetMethodID(nativeActivity,
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"getDisplayHeight", "()I");
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if (getDisplayHeight == 0) {
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assert("porting::getDisplayHeight unable to find java getDisplayHeight method" == 0);
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}
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retval.Y = jnienv->CallIntMethod(app_global->activity->clazz,
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getDisplayHeight);
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firstrun = false;
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}
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return retval;
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}
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#endif //SERVER
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}
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