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app: add RegisterFragment method on *Window for Android

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RegisterFragment creates an instance of a Java class and registers
it as a Fragment in the window's Context.

Signed-off-by: Greg Pomerantz <gmp.gio@wow.st>
This commit is contained in:
Greg Pomerantz
2019-11-26 12:47:54 -05:00
committed by Elias Naur
parent ce76c2e996
commit 2ca2e5462f
8 changed files with 98 additions and 16 deletions
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app/internal/window/GioView.java
+41 -2
View File
@@ -2,12 +2,21 @@
package org.gioui;
import java.lang.Class;
import java.lang.IllegalAccessException;
import java.lang.InstantiationException;
import java.lang.ExceptionInInitializerError;
import java.lang.SecurityException;
import android.app.Activity;
import android.app.Fragment;
import android.app.FragmentManager;
import android.app.FragmentTransaction;
import android.content.Context;
import android.graphics.Rect;
import android.os.Build;
import android.os.Handler;
import android.util.AttributeSet;
import android.text.Editable;
import android.util.AttributeSet;
import android.view.Choreographer;
import android.view.KeyCharacterMap;
import android.view.KeyEvent;
@@ -57,11 +66,12 @@ public class GioView extends SurfaceView implements Choreographer.FrameCallback
public GioView(Context context, AttributeSet attrs) {
super(context, attrs);
handler = new Handler();
// Late initialization of the Go runtime to wait for a valid context.
initialize(context.getApplicationContext());
nhandle = onCreateView(this);
handler = new Handler();
imm = (InputMethodManager)context.getSystemService(Context.INPUT_METHOD_SERVICE);
setFocusable(true);
setFocusableInTouchMode(true);
@@ -207,6 +217,35 @@ public class GioView extends SurfaceView implements Choreographer.FrameCallback
return onBack(nhandle);
}
public void registerFragment(String del) {
final Class cls;
try {
cls = getContext().getClassLoader().loadClass(del);
} catch (ClassNotFoundException e) {
throw new RuntimeException("RegisterFragment: fragment class not found: " + e.getMessage());
}
handler.post(new Runnable() {
public void run() {
final Fragment frag;
try {
frag = (Fragment)cls.newInstance();
} catch (IllegalAccessException | InstantiationException | ExceptionInInitializerError | SecurityException | ClassCastException e) {
throw new RuntimeException("RegisterFragment: error instantiating fragment: " + e.getMessage());
}
final FragmentManager fm;
try {
fm = ((Activity)getContext()).getFragmentManager();
} catch (ClassCastException e) {
throw new RuntimeException("RegisterFragment: cannot get fragment manager from View Context: " + e.getMessage());
}
FragmentTransaction ft = fm.beginTransaction();
ft.add(frag, del);
ft.commitNow();
}
});
}
static private native long onCreateView(GioView view);
static private native void onDestroyView(long handle);
static private native void onStartView(long handle);