Java Fragment.onPause方法代碼示例

import android.support.v4.app.Fragment; //導入方法依賴的package包/類
private void testBind(Fragment fragment) {
  fragment.onAttach(null);
  fragment.onCreate(null);

  //before view created null
  assertTrue(this.presenter.view == null);

  fragment.onCreateView(null, null, null);
  fragment.onViewCreated(null, null);

  //after view created, the view has been bound automatically
  assertTrue(this.presenter.view != null);

  fragment.onStart();
  fragment.onResume();
  fragment.onPause();
  fragment.onStop();
  fragment.onDestroy();

  //after on destroy the view has been released automatically
  assertTrue(this.presenter.view == null);
}
 

import android.support.v4.app.Fragment; //導入方法依賴的package包/類
private void testBindUntilEvent(LifecycleProvider<FragmentEvent> provider) {
    Fragment fragment = (Fragment) provider;
    startFragment(fragment);

    TestObserver<Object> testObserver = observable.compose(provider.bindUntilEvent(STOP)).test();

    fragment.onAttach(null);
    testObserver.assertNotComplete();
    fragment.onCreate(null);
    testObserver.assertNotComplete();
    fragment.onViewCreated(null, null);
    testObserver.assertNotComplete();
    fragment.onStart();
    testObserver.assertNotComplete();
    fragment.onResume();
    testObserver.assertNotComplete();
    fragment.onPause();
    testObserver.assertNotComplete();
    fragment.onStop();
    testObserver.assertComplete();
}
 

import android.support.v4.app.Fragment; //導入方法依賴的package包/類
@Override
public void onCheckedChanged(RadioGroup radioGroup, int checkId) {
    for (int i = 0; i < radioGroup.getChildCount(); i++) {
        if (radioGroup.getChildAt(i).getId() == checkId) {
            //  即將要展示的Fragment
            Fragment target = mFragmentList.get(i);
            Fragment currentFragment = getCurrentFragment();
            currentFragment.onPause();

            FragmentTransaction fragmentTransaction = getFragmentTransaction();
            if (target.isAdded()) {
                target.onResume();
                fragmentTransaction.show(target).hide(currentFragment);

            } else {
                fragmentTransaction.add(mContentId, target).show(target).hide(currentFragment);
            }
            fragmentTransaction.commit();
            currentTab = i;

            if (mFragmentToogleListener != null) {
                mFragmentToogleListener.onToogleChange(target, currentTab);
            }

        }
    }

}
 

import android.support.v4.app.Fragment; //導入方法依賴的package包/類
private void testLifecycle(LifecycleProvider<FragmentEvent> provider) {
    Fragment fragment = (Fragment) provider;
    startFragment(fragment);

    TestObserver<FragmentEvent> testObserver = provider.lifecycle().skip(1).test();

    fragment.onAttach(null);
    fragment.onCreate(null);
    fragment.onViewCreated(null, null);
    fragment.onStart();
    fragment.onResume();
    fragment.onPause();
    fragment.onStop();
    fragment.onDestroyView();
    fragment.onDestroy();
    fragment.onDetach();

    testObserver.assertValues(
        FragmentEvent.ATTACH,
        FragmentEvent.CREATE,
        FragmentEvent.CREATE_VIEW,
        FragmentEvent.START,
        FragmentEvent.RESUME,
        FragmentEvent.PAUSE,
        FragmentEvent.STOP,
        FragmentEvent.DESTROY_VIEW,
        FragmentEvent.DESTROY,
        FragmentEvent.DETACH
    );
}
 

import android.support.v4.app.Fragment; //導入方法依賴的package包/類
private void testBindToLifecycle(LifecycleProvider<FragmentEvent> provider) {
    Fragment fragment = (Fragment) provider;
    startFragment(fragment);

    fragment.onAttach(null);
    TestObserver<Object> attachObserver = observable.compose(provider.bindToLifecycle()).test();

    fragment.onCreate(null);
    attachObserver.assertNotComplete();
    TestObserver<Object> createObserver = observable.compose(provider.bindToLifecycle()).test();

    fragment.onViewCreated(null, null);
    attachObserver.assertNotComplete();
    createObserver.assertNotComplete();
    TestObserver<Object> createViewObserver = observable.compose(provider.bindToLifecycle()).test();

    fragment.onStart();
    attachObserver.assertNotComplete();
    createObserver.assertNotComplete();
    createViewObserver.assertNotComplete();
    TestObserver<Object> startObserver = observable.compose(provider.bindToLifecycle()).test();

    fragment.onResume();
    attachObserver.assertNotComplete();
    createObserver.assertNotComplete();
    createViewObserver.assertNotComplete();
    startObserver.assertNotComplete();
    TestObserver<Object> resumeObserver = observable.compose(provider.bindToLifecycle()).test();

    fragment.onPause();
    attachObserver.assertNotComplete();
    createObserver.assertNotComplete();
    createViewObserver.assertNotComplete();
    startObserver.assertNotComplete();
    resumeObserver.assertComplete();
    TestObserver<Object> pauseObserver = observable.compose(provider.bindToLifecycle()).test();

    fragment.onStop();
    attachObserver.assertNotComplete();
    createObserver.assertNotComplete();
    createViewObserver.assertNotComplete();
    startObserver.assertComplete();
    pauseObserver.assertComplete();
    TestObserver<Object> stopObserver = observable.compose(provider.bindToLifecycle()).test();

    fragment.onDestroyView();
    attachObserver.assertNotComplete();
    createObserver.assertNotComplete();
    createViewObserver.assertComplete();
    stopObserver.assertComplete();
    TestObserver<Object> destroyViewObserver = observable.compose(provider.bindToLifecycle()).test();

    fragment.onDestroy();
    attachObserver.assertNotComplete();
    createObserver.assertComplete();
    destroyViewObserver.assertComplete();
    TestObserver<Object> destroyObserver = observable.compose(provider.bindToLifecycle()).test();

    fragment.onDetach();
    attachObserver.assertComplete();
    destroyObserver.assertComplete();
}