joseprl89

package com.example.myapplication

import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.view.MotionEvent
import android.view.View
import com.example.myapplication.views.StarView
import kotlinx.android.synthetic.main.activity_main.*

class MainActivity : AppCompatActivity() {

joseprl89

//: A UIKit based Playground for presenting user interface
  
import UIKit
import PlaygroundSupport

struct Star {
    let radius: CGFloat
    
    init(radius: CGFloat) {
        self.radius = radius

joseprl89

void activeStateChanged(boolean newActive) {
    if (newActive == mActive) {
        return;
    }
    // immediately set active state, so we'd never dispatch anything to inactive
    // owner
    mActive = newActive;
    boolean wasInactive = LiveData.this.mActiveCount == 0;
    LiveData.this.mActiveCount += mActive ? 1 : -1;
    if (wasInactive && mActive) {

joseprl89

@RestrictTo(LIBRARY_GROUP)
public class SupportActivity extends Activity implements LifecycleOwner {
  // ...

  @Override
  @SuppressWarnings("RestrictedApi")
  protected void onCreate(@Nullable Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      ReportFragment.injectIfNeededIn(this);
  }

joseprl89

public class SupportActivity extends Activity implements LifecycleOwner {

    ...

    private LifecycleRegistry mLifecycleRegistry = new LifecycleRegistry(this);

    ...

    @Override
    protected void onSaveInstanceState(Bundle outState) {

joseprl89

class LifecycleBoundObserver extends ObserverWrapper implements GenericLifecycleObserver {
    @NonNull final LifecycleOwner mOwner;

    LifecycleBoundObserver(@NonNull LifecycleOwner owner, Observer<T> observer) {
        super(observer);
        mOwner = owner;
    }

    @Override
    boolean shouldBeActive() {

joseprl89

protected void setValue(T value) {
    assertMainThread("setValue");
    mVersion++;
    mData = value;
    dispatchingValue(null);
}

private void dispatchingValue(@Nullable ObserverWrapper initiator) {
    if (mDispatchingValue) {
        mDispatchInvalidated = true;

joseprl89

@MainThread
public void observe(@NonNull LifecycleOwner owner, @NonNull Observer<T> observer) {
    if (owner.getLifecycle().getCurrentState() == DESTROYED) {
        // ignore
        return;
    }
    LifecycleBoundObserver wrapper = new LifecycleBoundObserver(owner, observer);
    ObserverWrapper existing = mObservers.putIfAbsent(observer, wrapper);
    if (existing != null && !existing.isAttachedTo(owner)) {
        throw new IllegalArgumentException("Cannot add the same observer"

joseprl89

public class NameViewModel extends ViewModel {

    private MutableLiveData<String> mCurrentName;

    public MutableLiveData<String> getCurrentName() {
        if (mCurrentName == null) {
            mCurrentName = new MutableLiveData<String>();
        }
        return mCurrentName;
    }

joseprl89

public void onDestroy() {
    mCalled = true;
    // Use mStateSaved instead of isStateSaved() since we're past onStop()
    if (mViewModelStore != null && !mHost.mFragmentManager.mStateSaved) {
        mViewModelStore.clear();
    }
}