Java tutorial
/* * Copyright 2012 GitHub Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.github.mobile.ui.comment; import android.os.Bundle; import android.support.v4.app.LoaderManager.LoaderCallbacks; import android.support.v4.content.Loader; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.ProgressBar; import android.widget.TextView; import com.github.kevinsawicki.wishlist.Keyboard; import com.github.kevinsawicki.wishlist.ViewUtils; import com.github.mobile.R.id; import com.github.mobile.R.layout; import com.github.mobile.R.string; import com.github.mobile.ui.DialogFragment; import com.github.mobile.ui.MarkdownLoader; import com.github.mobile.util.HttpImageGetter; import com.github.mobile.util.ToastUtils; import com.google.inject.Inject; import java.io.Serializable; import org.eclipse.egit.github.core.IRepositoryIdProvider; /** * Fragment to display rendered comment fragment */ public class RenderedCommentFragment extends DialogFragment implements LoaderCallbacks<CharSequence> { private static final String ARG_TEXT = "text"; private static final String ARG_REPO = "repo"; private ProgressBar progress; private TextView bodyText; @Inject private HttpImageGetter imageGetter; @Override public void onViewCreated(View view, Bundle savedInstanceState) { super.onViewCreated(view, savedInstanceState); progress = finder.find(id.pb_loading); bodyText = finder.find(id.tv_comment_body); } /** * Set text to render * * @param raw * @param repo */ public void setText(final String raw, final IRepositoryIdProvider repo) { Bundle args = new Bundle(); args.putCharSequence(ARG_TEXT, raw); if (repo instanceof Serializable) args.putSerializable(ARG_REPO, (Serializable) repo); getLoaderManager().restartLoader(0, args, this); Keyboard.hideSoftInput(bodyText); showLoading(true); } private void showLoading(final boolean loading) { ViewUtils.setGone(progress, !loading); ViewUtils.setGone(bodyText, loading); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { return inflater.inflate(layout.comment_preview, null); } @Override public Loader<CharSequence> onCreateLoader(int loader, Bundle args) { final CharSequence raw = args.getCharSequence(ARG_TEXT); final IRepositoryIdProvider repo = (IRepositoryIdProvider) args.getSerializable(ARG_REPO); return new MarkdownLoader(getActivity(), repo, raw.toString(), imageGetter, true); } @Override public void onLoadFinished(Loader<CharSequence> loader, CharSequence rendered) { if (rendered == null) ToastUtils.show(getActivity(), string.error_rendering_markdown); bodyText.setText(rendered); showLoading(false); } @Override public void onLoaderReset(Loader<CharSequence> loader) { } }