Java tutorial
/** * Copyright (C) 2013 Romain Guefveneu. * * This file is part of naonedbus. * * Naonedbus is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * Naonedbus is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package net.naonedbus.card; import java.util.HashMap; import java.util.Map; import net.naonedbus.R; import android.content.Context; import android.content.Intent; import android.graphics.Typeface; import android.os.Bundle; import android.support.v4.app.FragmentManager; import android.support.v4.app.LoaderManager; import android.support.v4.app.LoaderManager.LoaderCallbacks; import android.support.v4.content.Loader; import android.view.LayoutInflater; import android.view.View; import android.view.View.OnClickListener; import android.view.ViewGroup; import android.view.animation.AnimationUtils; import android.widget.TextView; public abstract class Card<T> implements LoaderCallbacks<T> { private static final Map<Class<?>, Integer> sLoaderIds = new HashMap<Class<?>, Integer>(); private Context mContext; private final LoaderManager mLoaderManager; private final FragmentManager mFragmentManager; private final int mLayoutId; private final int mTitleId; private View mProgress; private TextView mMessage; private ViewGroup mContent; private TextView mMoreActionView; private Typeface mRobotoLight; private Typeface mRobotoBold; public Card(final Context context, final LoaderManager loaderManager, final FragmentManager fragmentManager, final int titleId, final int layoutId) { mContext = context; mLoaderManager = loaderManager; mFragmentManager = fragmentManager; mTitleId = titleId; mLayoutId = layoutId; } public void onStart() { } public void onStop() { } public void onResume() { } public void onPause() { } public void onDestroy() { } protected FragmentManager getFragmentManager() { return mFragmentManager; } protected Context getContext() { return mContext; } public void setContext(final Context context) { mContext = context; } protected Loader<T> initLoader(final Bundle bundle, final LoaderCallbacks<T> callbacks) { return mLoaderManager.initLoader(getLoaderId(), bundle, callbacks); } protected Loader<T> restartLoader(final Bundle bundle, final LoaderCallbacks<T> callbacks) { return mLoaderManager.restartLoader(getLoaderId(), bundle, callbacks); } private synchronized int getLoaderId() { if (!sLoaderIds.containsKey(getClass())) { sLoaderIds.put(getClass(), Integer.MAX_VALUE - sLoaderIds.size()); } return sLoaderIds.get(getClass()); } protected String getString(final int resId) { return mContext.getString(resId); } protected String getString(final int resId, final Object... formatArgs) { return mContext.getString(resId, formatArgs); } public View getView(final ViewGroup container) { final LayoutInflater inflater = LayoutInflater.from(mContext); final ViewGroup base = (ViewGroup) inflater.inflate(R.layout.card_base, container, false); final View view = inflater.inflate(mLayoutId, base, false); final TextView title = (TextView) base.findViewById(android.R.id.title); setTypefaceRobotoLight(title); title.setText(mTitleId); mProgress = base.findViewById(android.R.id.progress); mMessage = (TextView) base.findViewById(android.R.id.message); mMoreActionView = (TextView) base.findViewById(android.R.id.button1); mContent = (ViewGroup) base.findViewById(android.R.id.content); mContent.addView(view); bindView(container.getContext(), base, view); return base; } protected void showLoader() { if (mProgress.getVisibility() != View.VISIBLE) { mProgress.setVisibility(View.VISIBLE); } if (mMessage.getVisibility() != View.GONE) { mMessage.startAnimation( AnimationUtils.loadAnimation(mMessage.getContext(), R.anim.card_disable_content)); } if (mContent.getVisibility() != View.GONE) { mContent.startAnimation( AnimationUtils.loadAnimation(mContent.getContext(), R.anim.card_disable_content)); } } protected void showContent() { if (mContent.getVisibility() != View.VISIBLE) { mContent.setVisibility(View.VISIBLE); mContent.startAnimation(AnimationUtils.loadAnimation(mContent.getContext(), android.R.anim.fade_in)); } else if (mProgress.getVisibility() == View.VISIBLE) { mContent.startAnimation( AnimationUtils.loadAnimation(mContent.getContext(), R.anim.card_enable_content)); } mMessage.clearAnimation(); mMessage.setVisibility(View.GONE); mProgress.setVisibility(View.GONE); showMoreAction(); } protected void showMessage(final int messageId, final int drawableId) { mMessage.setCompoundDrawablesWithIntrinsicBounds(drawableId, 0, 0, 0); showMessage(messageId); } protected void showMessage(final int messageId) { mMessage.setText(messageId); if (mMessage.getVisibility() != View.VISIBLE) { mMessage.setVisibility(View.VISIBLE); mMessage.startAnimation(AnimationUtils.loadAnimation(mMessage.getContext(), android.R.anim.fade_in)); } else if (mProgress.getVisibility() == View.VISIBLE) { mMessage.startAnimation( AnimationUtils.loadAnimation(mMessage.getContext(), R.anim.card_enable_content)); } mProgress.setVisibility(View.GONE); mContent.clearAnimation(); mContent.setVisibility(View.GONE); showMoreAction(); } private void showMoreAction() { final Intent moreIntent = getMoreIntent(); if (moreIntent != null) { final int title = moreIntent.getIntExtra(Intent.EXTRA_TITLE, 0); if (title != 0) { mMoreActionView.setText(title); } final int icon = moreIntent.getIntExtra(Intent.EXTRA_SHORTCUT_ICON, 0); if (icon != 0) { mMoreActionView.setCompoundDrawablesWithIntrinsicBounds(icon, 0, 0, 0); } mMoreActionView.setVisibility(View.VISIBLE); mMoreActionView.setOnClickListener(new OnClickListener() { @Override public void onClick(final View v) { mContext.startActivity(moreIntent); } }); } } protected void setTypefaceRobotoLight(final TextView textView) { } protected void setTypefaceRobotoBold(final TextView textView) { } protected abstract void bindView(final Context context, final View base, final View view); protected abstract Intent getMoreIntent(); @Override public abstract Loader<T> onCreateLoader(final int idLoader, final Bundle args); @Override public abstract void onLoadFinished(final Loader<T> loader, final T results); @Override public void onLoaderReset(final Loader<T> loader) { } }