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Code Issues Packages Projects Releases Wiki Activity

auto find main activity using AndroidManifest.xml

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This commit is contained in:
Julian Winkler
2023-05-20 19:23:40 +02:00
parent 12e9e9788a
commit 997642d93a
3 changed files with 31 additions and 7 deletions
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28
src/api-impl/android/app/Activity.java
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@@ -18,14 +18,42 @@ import android.view.WindowManagerImpl;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserFactory;
import com.reandroid.arsc.chunk.xml.AndroidManifestBlock;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.StringReader;
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
public class Activity extends Context {
LayoutInflater layout_inflater;
Window window = new Window();
int requested_orientation = -1 /*ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED*/; // dummy
/**
* Helper function to be called from native code to construct main activity
*
* @param className class name of activity or null
* @return instance of main activity class
*/
private static Activity createMainActivity(String className) throws ClassNotFoundException, NoSuchMethodException, SecurityException, InstantiationException, IllegalAccessException, IllegalArgumentException, InvocationTargetException, IOException {
if (className == null) {
InputStream inStream = ClassLoader.getSystemClassLoader().getResourceAsStream("AndroidManifest.xml");
AndroidManifestBlock block = AndroidManifestBlock.load(inStream);
className = block.getMainActivity().searchAttributeByResourceId(AndroidManifestBlock.ID_name).getValueAsString();
if (className.startsWith(".")) {
className = block.getPackageName() + className;
}
} else {
className = className.replace('/', '.');
}
Class<? extends Activity> cls = Class.forName(className).asSubclass(Activity.class);
Constructor<? extends Activity> constructor = cls.getConstructor();
return constructor.newInstance();
}
protected void set_window(long native_window) {
window.native_window = native_window;
}