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Simplify native interface of widget implementations

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Makes it easier to overwrite behavior in subclasses. Have a fallback
implementation for ViewGroup.
Save some _GET_LONG_FIELD / _SET_LONG_FIELD calls by directly passing
the native pointers to and from native methods.
This commit is contained in:
Julian Winkler
2023-08-17 12:59:37 +02:00
parent 82744e9e5e
commit 4d90002ec6
33 changed files with 403 additions and 553 deletions
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31
src/api-impl/android/view/ViewGroup.java
View File

@@ -6,6 +6,7 @@ import android.content.Context;
import android.content.res.TypedArray;
import android.util.AttributeSet;
import java.util.ArrayList;
import java.util.Iterator;
public class ViewGroup extends View implements ViewParent, ViewManager {
public int id;
@@ -55,10 +56,34 @@ public class ViewGroup extends View implements ViewParent, ViewManager {
addView(child, new LayoutParams(width, height));
}
public native void addView(View child, int index, LayoutParams params);
public void addView(View child, int index, LayoutParams params) {
if (params != null) {
child.setLayoutParams(params);
}
child.parent = this;
children.add(child);
native_addView(widget, child.widget, index, params);
}
public native void removeView(View view);
public native void removeAllViews();
public void removeView(View child) {
child.parent = null;
children.remove(child);
native_removeView(widget, child.widget);
}
public void removeAllViews() {
for (Iterator<View> it = children.iterator(); it.hasNext();) {
View child = it.next();
child.parent = null;
it.remove();
native_removeView(widget, child.widget);
}
}
@Override
protected native long native_constructor(Context context, AttributeSet attrs);
protected native void native_addView(long widget, long child, int index, LayoutParams params);
protected native void native_removeView(long widget, long child);
public View getChildAt(int index) {
return children.get(index);