@Override
protected Parcelable onSaveInstanceState() {
Parcelable superState = super.onSaveInstanceState();
SavedState ss = new SavedState(superState);
ss.message = message.getText().toString();
ss.refreshing = swipeRefreshLayout.isRefreshing();
ss.loading = mAdapter.isLoading();
ss.resources = new ArrayList<>(mAdapter.getResources());
return ss;
}
@Override
public void showFirstLoading() {
if (mAdapter.getItemCount() > 0) {
swipeRefreshLayout.setRefreshing(true);
} else {
message.setVisibility(View.VISIBLE);
message.setText(R.string.loading_msg);
}
}
@Override
protected void onRestoreInstanceState(Parcelable state) {
if (!(state instanceof SavedState)) {
super.onRestoreInstanceState(state);
return;
}
SavedState ss = (SavedState) state;
super.onRestoreInstanceState(ss.getSuperState());
mAdapter.setResource(ss.resources);
if (ss.loading) {
mAdapter.showLoading();
}
swipeRefreshLayout.setRefreshing(ss.refreshing);
message.setText(ss.message);
mInited = true;
}
@Override
public void hideLoading() {
swipeRefreshLayout.setRefreshing(false);
message.setVisibility(View.GONE);
mAdapter.hideLoading();
}
@Override
public void showNextLoading() {
mAdapter.showLoading();
}
@Override
public void updateResource(int id) {
mAdapter.notifyItemChangedById(id);
}
@Override
public void showError() {
mAdapter.setResource(new ArrayList<Resource>());
}
@Override
public void showResources(List<Resource> resources) {
mAdapter.setResource(resources);
}