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Code Issues Packages Projects Releases Wiki Activity

auto extract native libraries and detect lib name for NativeActivity

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This commit is contained in:
Julian Winkler
2023-06-06 22:08:00 +02:00
parent 83a2647637
commit 334274c9e5
3 changed files with 46 additions and 8 deletions
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30
src/api-impl/android/app/NativeActivity.java
View File

@@ -37,6 +37,12 @@ import android.view.WindowManager;
//import android.view.inputmethod.InputMethodManager;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import com.reandroid.arsc.chunk.xml.AndroidManifestBlock;
import com.reandroid.arsc.chunk.xml.ResXmlAttribute;
import com.reandroid.arsc.chunk.xml.ResXmlElement;
/**
* Convenience for implementing an activity that will be implemented
@@ -161,6 +167,30 @@ public class NativeActivity extends Activity implements SurfaceHolder.Callback,
throw new RuntimeException("Error getting activity info", e);
}*/
// parse AndroidManifest.xml to get name and entry of native lib
try (InputStream inStream = ClassLoader.getSystemClassLoader().getResourceAsStream("AndroidManifest.xml")) {
for (ResXmlElement activity: AndroidManifestBlock.load(inStream).listActivities()) {
if (!getClass().getName().equals(activity.searchAttributeByResourceId(AndroidManifestBlock.ID_name).getValueAsString())) {
continue;
}
for (ResXmlElement metaData: activity.listElements(AndroidManifestBlock.TAG_meta_data)) {
ResXmlAttribute name = metaData.searchAttributeByResourceId(AndroidManifestBlock.ID_name);
ResXmlAttribute value = metaData.searchAttributeByResourceId(AndroidManifestBlock.ID_value);
if (name == null || value == null){
continue;
}
if (META_DATA_LIB_NAME.equals(name.getValueAsString())){
libname = value.getValueAsString();
}
if (META_DATA_FUNC_NAME.equals(name.getValueAsString())){
funcname = value.getValueAsString();
}
}
}
} catch (IOException e) {
e.printStackTrace();
}
String path = null;
File libraryFile = new File(new File(android.os.Environment.getExternalStorageDirectory(), "lib"),

16
src/main-executable/main.c
View File

@@ -16,6 +16,18 @@
#define DEFFILEMODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)/* 0666*/
#endif
#ifdef __x86_64__
#define NATIVE_ARCH "x86_64"
#elifdef __i386__
#define NATIVE_ARCH "x86"
#elifdef __aarch64__
#define NATIVE_ARCH "arm64-v8a"
#elifdef __arm__
#define NATIVE_ARCH "armeabi-v7a"
#else
#error unknown native architecture
#endif
GtkWidget *window;
// standard Gtk Application stuff, more or less
@@ -272,6 +284,8 @@ static void open(GtkApplication *app, GFile** files, gint nfiles, const gchar* h
char *app_lib_dir = malloc(strlen(app_data_dir) + strlen("/lib") + 1); // +1 for NULL
strcpy(app_lib_dir, app_data_dir);
strcat(app_lib_dir, "/lib");
// create lib dir
mkdir(app_lib_dir, DEFFILEMODE | S_IXUSR | S_IXGRP | S_IXOTH);
// calling directly into the shim bionic linker to whitelist the app's lib dir as containing bionic-linked libraries
dl_parse_library_path(app_lib_dir, ":");
@@ -326,6 +340,8 @@ static void open(GtkApplication *app, GFile** files, gint nfiles, const gchar* h
(*env)->CallVoidMethod(env, java_runtime, loadLibrary_with_classloader, _JSTRING("translation_layer_main"), class_loader);
extract_from_apk("assets/", "assets/");
/* extract native libraries from apk*/
extract_from_apk("lib/" NATIVE_ARCH "/", "lib/");
/* -- run the main activity's onCreate -- */