Java tutorial
/* * Copyright (c) 2017 Adventech. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ package com.cryart.sabbathschool.adapter; import android.content.Context; import android.content.SharedPreferences; import android.os.Handler; import android.preference.PreferenceManager; import android.support.v4.view.PagerAdapter; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import com.cryart.sabbathschool.R; import com.cryart.sabbathschool.misc.SSConstants; import com.cryart.sabbathschool.model.SSRead; import com.cryart.sabbathschool.model.SSReadComments; import com.cryart.sabbathschool.model.SSReadHighlights; import com.cryart.sabbathschool.model.SSReadingDisplayOptions; import com.cryart.sabbathschool.view.SSReadingView; import com.cryart.sabbathschool.viewmodel.SSReadingViewModel; import java.util.Collections; import java.util.List; public class SSReadingViewAdapter extends PagerAdapter { private Context mContext; private SSReadingViewModel ssReadingViewModel; public List<SSRead> ssReads; public List<SSReadHighlights> ssReadHighlights; public List<SSReadComments> ssReadComments; public SSReadingViewAdapter(Context context, SSReadingViewModel ssReadingViewModel) { mContext = context; this.ssReads = Collections.emptyList(); this.ssReadComments = Collections.emptyList(); this.ssReadHighlights = Collections.emptyList(); this.ssReadingViewModel = ssReadingViewModel; } public void setSSReads(List<SSRead> ssReads) { this.ssReads = ssReads; } public void setSSReadHighlights(List<SSReadHighlights> ssReadHighlights) { this.ssReadHighlights = ssReadHighlights; } public void setSSReadComments(List<SSReadComments> ssReadComments) { this.ssReadComments = ssReadComments; } @Override public Object instantiateItem(ViewGroup collection, int position) { LayoutInflater inflater = LayoutInflater.from(mContext); ViewGroup layout = (ViewGroup) inflater.inflate(R.layout.ss_reading_view, collection, false); collection.addView(layout); SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this.mContext); SSReadingDisplayOptions ssReadingDisplayOptions = new SSReadingDisplayOptions( prefs.getString(SSConstants.SS_SETTINGS_THEME_KEY, SSReadingDisplayOptions.SS_THEME_LIGHT), prefs.getString(SSConstants.SS_SETTINGS_SIZE_KEY, SSReadingDisplayOptions.SS_SIZE_MEDIUM), prefs.getString(SSConstants.SS_SETTINGS_FONT_KEY, SSReadingDisplayOptions.SS_FONT_LATO)); final SSReadingView ssReadingView = layout.findViewById(R.id.ss_reading_view); ssReadingView.setReadingDisplayOptions(ssReadingDisplayOptions); ssReadingView.setContextMenuCallback(ssReadingViewModel); ssReadingView.setHighlightsCommentsCallback(ssReadingViewModel); ssReadingView.setReadHighlights(ssReadHighlights.get(position)); ssReadingView.setReadComments(ssReadComments.get(position)); ssReadingView.loadRead(ssReads.get(position)); final Handler handler = new Handler(); handler.postDelayed(new Runnable() { @Override public void run() { if (ssReadingView != null) { ssReadingView.updateHighlights(); ssReadingView.updateComments(); } } }, 800); layout.setTag("ssReadingView_" + position); return layout; } @Override public void destroyItem(ViewGroup collection, int position, Object view) { collection.removeView((View) view); } @Override public int getCount() { return ssReads.size(); } @Override public boolean isViewFromObject(View view, Object object) { return view == object; } }