Java tutorial
/* * Copyright 2011 Google 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 tw.idv.gasolin.pycontw2012.ui; import java.util.Locale; import android.content.Intent; import android.database.Cursor; import android.graphics.Bitmap; import android.graphics.RectF; import android.net.Uri; import android.os.Bundle; import android.support.v4.app.Fragment; import android.text.TextUtils; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.CompoundButton; import android.widget.ImageView; import android.widget.TextView; import tw.idv.gasolin.pycontw2012.R; import tw.idv.gasolin.pycontw2012.provider.CoscupContract; import tw.idv.gasolin.pycontw2012.util.ActivityHelper; import tw.idv.gasolin.pycontw2012.util.AnalyticsUtils; import tw.idv.gasolin.pycontw2012.util.BitmapUtils; import tw.idv.gasolin.pycontw2012.util.FractionalTouchDelegate; import tw.idv.gasolin.pycontw2012.util.NotifyingAsyncQueryHandler; import tw.idv.gasolin.pycontw2012.util.UIUtils; public class SponsorDetailFragment extends Fragment implements NotifyingAsyncQueryHandler.AsyncQueryListener, CompoundButton.OnCheckedChangeListener { private static final String TAG = SponsorDetailFragment.class.getSimpleName(); private Uri mSponsorUri; private String mSponsorId; private ViewGroup mRootView; private TextView mName; private CompoundButton mStarred; private ImageView mLogo; private TextView mUrl; private TextView mDesc; private TextView mProductDesc; private String mNameString; private NotifyingAsyncQueryHandler mHandler; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); final Intent intent = BaseActivity.fragmentArgumentsToIntent(getArguments()); mSponsorUri = intent.getData(); if (mSponsorUri == null) { return; } setHasOptionsMenu(true); } @Override public void onActivityCreated(Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); if (mSponsorUri == null) { return; } // Start background query to load vendor details mHandler = new NotifyingAsyncQueryHandler(getActivity().getContentResolver(), this); mHandler.startQuery(mSponsorUri, SponsorsQuery.PROJECTION); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { mRootView = (ViewGroup) inflater.inflate(R.layout.fragment_sponsor_detail, null); mName = (TextView) mRootView.findViewById(R.id.sponsor_name); mStarred = (CompoundButton) mRootView.findViewById(R.id.star_button); mStarred.setFocusable(true); mStarred.setClickable(true); // Larger target triggers star toggle final View starParent = mRootView.findViewById(R.id.header_sponsor); FractionalTouchDelegate.setupDelegate(starParent, mStarred, new RectF(0.6f, 0f, 1f, 0.8f)); mLogo = (ImageView) mRootView.findViewById(R.id.sponsor_logo); mUrl = (TextView) mRootView.findViewById(R.id.sponsor_url); mDesc = (TextView) mRootView.findViewById(R.id.sponsor_desc); mProductDesc = (TextView) mRootView.findViewById(R.id.sponsor_product_desc); return mRootView; } private View buildIndicator(int textRes) { final TextView indicator = (TextView) getActivity().getLayoutInflater().inflate(R.layout.tab_indicator, (ViewGroup) mRootView.findViewById(android.R.id.tabs), false); indicator.setText(textRes); return indicator; } public void onQueryComplete(int token, Object cookie, Cursor cursor) { if (getActivity() == null) { return; } try { if (!cursor.moveToFirst()) { return; } final Locale locale = getResources().getConfiguration().locale; mNameString = UIUtils.getBestLocaleString(locale, cursor.getString(SponsorsQuery.SPONSOR_NAME), cursor.getString(SponsorsQuery.SPONSOR_NAME_ZH_TW), cursor.getString(SponsorsQuery.SPONSOR_NAME_ZH_CN)); mName.setText(mNameString); // Unregister around setting checked state to avoid triggering // listener since change isn't user generated. mStarred.setOnCheckedChangeListener(null); mStarred.setChecked(false); mStarred.setOnCheckedChangeListener(this); // Start background fetch to load vendor logo final String logoUrl = cursor.getString(SponsorsQuery.SPONSOR_LOGO_URL); if (!TextUtils.isEmpty(logoUrl)) { BitmapUtils.fetchImage(getActivity(), logoUrl, null, null, new BitmapUtils.OnFetchCompleteListener() { public void onFetchComplete(Object cookie, Bitmap result) { if (result == null) { mLogo.setVisibility(View.GONE); } else { mLogo.setVisibility(View.VISIBLE); mLogo.setImageBitmap(result); } } }); } mUrl.setText(cursor.getString(SponsorsQuery.SPONSOR_URL)); final String desc = UIUtils.getBestLocaleString(locale, cursor.getString(SponsorsQuery.SPONSOR_DESC), cursor.getString(SponsorsQuery.SPONSOR_DESC_ZH_TW), cursor.getString(SponsorsQuery.SPONSOR_DESC_ZH_CN)); UIUtils.setTextMaybeHtml(mDesc, desc); mSponsorId = cursor.getString(SponsorsQuery.SPONSOR_ID); // Assign track details when found // TODO: handle vendors not attached to track ActivityHelper activityHelper = ((BaseActivity) getActivity()).getActivityHelper(); final int level = cursor.getInt(SponsorsQuery.SPONSOR_LEVEL); final String levelTitle = getResources().getStringArray(R.array.sponsor_level_names)[level]; activityHelper.setActionBarTitle(levelTitle); // activityHelper.setActionBarColor(); AnalyticsUtils.getInstance(getActivity()).trackPageView("/Sponsors/" + levelTitle + "/" + mNameString); } finally { cursor.close(); } } public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { } private interface SponsorsQuery { String[] PROJECTION = { CoscupContract.Sponsors.SPONSOR_ID, CoscupContract.Sponsors.SPONSOR_LEVEL, CoscupContract.Sponsors.SPONSOR_URL, CoscupContract.Sponsors.SPONSOR_LOGO_URL, CoscupContract.Sponsors.SPONSOR_NAME, CoscupContract.Sponsors.SPONSOR_NAME_ZH_TW, CoscupContract.Sponsors.SPONSOR_NAME_ZH_CN, CoscupContract.Sponsors.SPONSOR_DESC, CoscupContract.Sponsors.SPONSOR_DESC_ZH_TW, CoscupContract.Sponsors.SPONSOR_DESC_ZH_CN, }; int SPONSOR_ID = 0; int SPONSOR_LEVEL = 1; int SPONSOR_URL = 2; int SPONSOR_LOGO_URL = 3; int SPONSOR_NAME = 4; int SPONSOR_NAME_ZH_TW = 5; int SPONSOR_NAME_ZH_CN = 6; int SPONSOR_DESC = 7; int SPONSOR_DESC_ZH_TW = 8; int SPONSOR_DESC_ZH_CN = 9; } }