Java tutorial
/* Copyright 2012 Andrey Zaytsev 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 net.meiolania.apps.habrahabr.fragments.posts; import net.meiolania.apps.habrahabr.R; import net.meiolania.apps.habrahabr.data.PostsFullData; import net.meiolania.apps.habrahabr.fragments.posts.loader.PostShowLoader; import net.meiolania.apps.habrahabr.utils.ConnectionUtils; import net.meiolania.apps.habrahabr.utils.IntentUtils; import android.app.ProgressDialog; 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.webkit.WebView; import com.actionbarsherlock.app.SherlockFragment; import com.actionbarsherlock.view.Menu; import com.actionbarsherlock.view.MenuInflater; import com.actionbarsherlock.view.MenuItem; public class PostShowFragment extends SherlockFragment implements LoaderCallbacks<PostsFullData> { public final static String URL_ARGUMENT = "url"; private final static int LOADER_POST = 0; private String url; private ProgressDialog progressDialog; private PostsFullData data; @Override public void onActivityCreated(Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); setHasOptionsMenu(true); setRetainInstance(true); url = getArguments().getString(URL_ARGUMENT); if (ConnectionUtils.isConnected(getSherlockActivity())) getSherlockActivity().getSupportLoaderManager().initLoader(LOADER_POST, null, this); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { return inflater.inflate(R.layout.posts_show_activity, container, false); } @Override public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) { super.onCreateOptionsMenu(menu, inflater); inflater.inflate(R.menu.posts_show_activity, menu); } @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case R.id.share: IntentUtils.createShareIntent(getSherlockActivity(), data.getTitle(), url); break; } return super.onOptionsItemSelected(item); } @Override public Loader<PostsFullData> onCreateLoader(int id, Bundle args) { showProgressDialog(); PostShowLoader loader = new PostShowLoader(getSherlockActivity(), url); loader.forceLoad(); return loader; } @Override public void onLoadFinished(Loader<PostsFullData> loader, PostsFullData data) { if (getSherlockActivity() != null) { WebView content = (WebView) getSherlockActivity().findViewById(R.id.post_content); content.getSettings().setPluginsEnabled(true); content.getSettings().setSupportZoom(true); content.getSettings().setBuiltInZoomControls(true); content.loadDataWithBaseURL("", data.getContent(), "text/html", "UTF-8", null); } this.data = data; hideProgressDialog(); } @Override public void onLoaderReset(Loader<PostsFullData> loader) { } private void showProgressDialog() { progressDialog = new ProgressDialog(getSherlockActivity()); progressDialog.setMessage(getString(R.string.loading_post)); progressDialog.setCancelable(true); progressDialog.show(); } private void hideProgressDialog() { if (progressDialog != null) progressDialog.dismiss(); } }