Java tutorial
/* * Copyright 2014 Danny Baumann * * 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.gh4a.activities; import org.eclipse.egit.github.core.Download; import org.eclipse.egit.github.core.Release; import android.content.Intent; import android.os.Bundle; import android.support.v4.content.Loader; import android.support.v7.app.ActionBar; import android.support.v7.widget.LinearLayoutManager; import android.support.v7.widget.RecyclerView; import android.text.TextUtils; import android.view.View; import android.widget.ImageView; import android.widget.TextView; import com.gh4a.BaseActivity; import com.gh4a.Constants; import com.gh4a.R; import com.gh4a.adapter.DownloadAdapter; import com.gh4a.adapter.RootAdapter; import com.gh4a.loader.LoaderCallbacks; import com.gh4a.loader.LoaderResult; import com.gh4a.loader.MarkdownLoader; import com.gh4a.loader.ReleaseLoader; import com.gh4a.utils.ApiHelpers; import com.gh4a.utils.AvatarHandler; import com.gh4a.utils.IntentUtils; import com.gh4a.utils.StringUtils; import com.gh4a.utils.UiUtils; import com.gh4a.widget.StyleableTextView; import com.gh4a.widget.SwipeRefreshLayout; import com.github.mobile.util.HtmlUtils; import com.github.mobile.util.HttpImageGetter; public class ReleaseInfoActivity extends BaseActivity implements View.OnClickListener, SwipeRefreshLayout.ChildScrollDelegate, RootAdapter.OnItemClickListener<Download> { private String mRepoOwner; private String mRepoName; private Release mRelease; private long mReleaseId; private View mRootView; private HttpImageGetter mImageGetter; private LoaderCallbacks<Release> mReleaseCallback = new LoaderCallbacks<Release>(this) { @Override protected Loader<LoaderResult<Release>> onCreateLoader() { return new ReleaseLoader(ReleaseInfoActivity.this, mRepoOwner, mRepoName, mReleaseId); } @Override protected void onResultReady(Release result) { mRelease = result; handleReleaseReady(); setContentShown(true); } }; private LoaderCallbacks<String> mBodyCallback = new LoaderCallbacks<String>(this) { @Override protected Loader<LoaderResult<String>> onCreateLoader() { return new MarkdownLoader(ReleaseInfoActivity.this, mRelease.getBody(), null); } @Override protected void onResultReady(String result) { fillNotes(result); } }; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.release); mRootView = findViewById(R.id.root); mImageGetter = new HttpImageGetter(this); setChildScrollDelegate(this); ActionBar actionBar = getSupportActionBar(); actionBar.setTitle(R.string.release_title); actionBar.setSubtitle(mRepoOwner + "/" + mRepoName); actionBar.setDisplayHomeAsUpEnabled(true); if (mRelease != null) { handleReleaseReady(); } else { setContentShown(false); getSupportLoaderManager().initLoader(0, null, mReleaseCallback); } } @Override protected void onInitExtras(Bundle extras) { super.onInitExtras(extras); mRepoOwner = extras.getString(Constants.Repository.OWNER); mRepoName = extras.getString(Constants.Repository.NAME); mRelease = (Release) extras.getSerializable(Constants.Release.RELEASE); mReleaseId = extras.getLong(Constants.Release.ID); } @Override public boolean canChildScrollUp() { return UiUtils.canViewScrollUp(mRootView); } @Override public void onRefresh() { Loader loader = getSupportLoaderManager().getLoader(0); if (loader != null) { mRelease = null; setContentShown(false); loader.onContentChanged(); getSupportLoaderManager().destroyLoader(1); } super.onRefresh(); } @Override protected void onResume() { super.onResume(); mImageGetter.resume(); } @Override protected void onPause() { super.onPause(); mImageGetter.pause(); } @Override protected void onDestroy() { super.onDestroy(); mImageGetter.destroy(); } @Override protected Intent navigateUp() { return IntentUtils.getRepoActivityIntent(this, mRepoOwner, mRepoName, null); } private void handleReleaseReady() { String name = mRelease.getName(); if (TextUtils.isEmpty(name)) { name = mRelease.getTagName(); } getSupportActionBar().setTitle(name); getSupportLoaderManager().initLoader(1, null, mBodyCallback); fillData(); } private void fillData() { ImageView gravatar = (ImageView) findViewById(R.id.iv_gravatar); AvatarHandler.assignAvatar(gravatar, mRelease.getAuthor()); StyleableTextView details = (StyleableTextView) findViewById(R.id.tv_releaseinfo); String detailsText = getString(R.string.release_details, ApiHelpers.getUserLogin(this, mRelease.getAuthor()), StringUtils.formatRelativeTime(this, mRelease.getCreatedAt(), true)); StringUtils.applyBoldTagsAndSetText(details, detailsText); TextView releaseType = (TextView) findViewById(R.id.tv_releasetype); if (mRelease.isDraft()) { releaseType.setText(R.string.release_type_draft); } else if (mRelease.isPrerelease()) { releaseType.setText(R.string.release_type_prerelease); } else { releaseType.setText(R.string.release_type_final); } TextView tag = (TextView) findViewById(R.id.tv_releasetag); tag.setText(getString(R.string.release_tag, mRelease.getTagName())); tag.setOnClickListener(this); if (mRelease.getAssets() != null && !mRelease.getAssets().isEmpty()) { RecyclerView downloadsList = (RecyclerView) findViewById(R.id.download_list); DownloadAdapter adapter = new DownloadAdapter(this); adapter.addAll(mRelease.getAssets()); adapter.setOnItemClickListener(this); downloadsList.setLayoutManager(new LinearLayoutManager(this)); downloadsList.setNestedScrollingEnabled(false); downloadsList.setAdapter(adapter); } else { findViewById(R.id.downloads).setVisibility(View.GONE); } } @Override public void onItemClick(Download download) { UiUtils.enqueueDownloadWithPermissionCheck(this, download.getUrl(), download.getContentType(), download.getName(), download.getDescription(), "application/octet-stream"); } private void fillNotes(String bodyHtml) { TextView body = (TextView) findViewById(R.id.tv_release_notes); if (!StringUtils.isBlank(bodyHtml)) { bodyHtml = HtmlUtils.format(bodyHtml).toString(); mImageGetter.bind(body, bodyHtml, mRelease.getId()); body.setMovementMethod(UiUtils.CHECKING_LINK_METHOD); } else { body.setText(R.string.release_no_releasenotes); } body.setVisibility(View.VISIBLE); findViewById(R.id.pb_releasenotes).setVisibility(View.GONE); } @Override public void onClick(View v) { switch (v.getId()) { case R.id.tv_releasetag: startActivity(IntentUtils.getRepoActivityIntent(this, mRepoOwner, mRepoName, mRelease.getTagName())); break; } } }