Add a new "queryConfig" native android function, so that the Java code can check

config options like rotation lock (config is implemented on the C++ side).

android/app-android.cpp

@@ -147,6 +147,14 @@ extern "C" void Java_com_henrikrydgard_libnative_NativeApp_audioConfig
 	optimalSampleRate = optimalSR;
 }
 
+extern "C" jstring Java_com_henrikrydgard_libnative_NativeApp_queryConfig
+	(JNIEnv *env, jclass, jstring jquery) {
+	std::string query = GetJavaString(env, jquery);
+	std::string result = NativeQueryConfig(query);
+	jstring jresult = env->NewStringUTF(result.c_str());
+	return jresult;
+}
+
 extern "C" void Java_com_henrikrydgard_libnative_NativeApp_init
 	(JNIEnv *env, jclass, jint dpi, jstring jdevicetype, jstring jlangRegion, jstring japkpath,
 		jstring jdataDir, jstring jexternalDir, jstring jlibraryDir, jstring jshortcutParam,

android/src/com/henrikrydgard/libnative/NativeActivity.java

@@ -669,7 +669,7 @@ public class NativeActivity extends Activity {
     	dlg.setCancelable(true);
     	dlg.show();
     }
-     
+	
     public boolean processCommand(String command, String params) {
 		if (command.equals("launchBrowser")) {
 			Intent i = new Intent(Intent.ACTION_VIEW, Uri.parse(params));

android/src/com/henrikrydgard/libnative/NativeApp.java

@@ -40,5 +40,7 @@ public class NativeApp {
 	public static native void accelerometer(float x, float y, float z);
 
 	public static native void sendMessage(String msg, String arg);
+	
+	public static native String queryConfig(String queryName);
 }
  

base/NativeApp.h

@@ -23,6 +23,11 @@ void NativeGetAppInfo(std::string *app_dir_name, std::string *app_nice_name, boo
 // Generic host->C++ messaging, used for functionality like system-native popup input boxes.
 void NativeMessageReceived(const char *message, const char *value);
 
+// Easy way for the Java side to ask the C++ side for configuration options, such as
+// the rotation lock which must be controlled from Java on Android.
+// It is currently not called on non-Android platforms.
+std::string NativeQueryConfig(std::string query);
+
 // For the back button to work right, this should return true on your main or title screen.
 // Otherwise, just return false.
 bool NativeIsAtTopLevel();

base/display.cpp

@@ -6,6 +6,6 @@ int dp_yres;
 int pixel_xres;
 int pixel_yres;
 
-int g_dpi = 1.0f;
+int g_dpi = 1;  // will be overwritten
 float g_dpi_scale = 1.0f;
 float pixel_in_dps = 1.0f;