Java tutorial
/* * Copyright 2015 Lunci Hua * * 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 org.lunci.dumbthing.dialog; import android.app.Dialog; import android.content.Intent; import android.os.Build; import android.os.Bundle; import android.support.v4.app.DialogFragment; import android.util.Log; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.view.WindowManager; import android.widget.Toast; import org.lunci.dumbthing.R; import org.lunci.dumbthing.account.ILinkAccount; import org.lunci.dumbthing.account.LinkButtonContainer; import org.lunci.dumbthing.account.LinkFacebook; import org.lunci.dumbthing.account.LinkTwitter; import org.lunci.dumbthing.preference.PreferencesTracker; import org.lunci.dumbthing.util.Utils; /** * Created by Lunci on 2/5/2015. */ public class LinkShareDialog extends DialogFragment { private static final String TAG = LinkShareDialog.class.getSimpleName(); private final LinkAccountManager mManager = new LinkAccountManager(); private static final String EXTRA_CURRENT_LINKER = "extra_current_linker"; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); mManager.onCreate(savedInstanceState); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { final View view = inflater.inflate(R.layout.auto_share_link_list, container); mManager.setupButtons(view); return view; } @Override public Dialog onCreateDialog(Bundle savedInstanceState) { final Dialog dialog = super.onCreateDialog(savedInstanceState); dialog.setTitle(getResources().getString(R.string.link_accounts)); dialog.setCanceledOnTouchOutside(true); dialog.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN); if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) { dialog.getWindow().setIcon(R.drawable.ic_link_share); } return dialog; } @Override public void onSaveInstanceState(Bundle outState) { super.onSaveInstanceState(outState); mManager.onSaveInstanceState(outState); } @Override public void onResume() { super.onResume(); } @Override public void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); mManager.onActivityResult(requestCode, resultCode, data); } @Override public void onPause() { super.onPause(); } @Override public void onDestroy() { super.onDestroy(); } private enum CurrentMode { None, Facebook, Twitter, GooglePlus } private class LinkAccountManager implements ILinkAccount.LinkAccoutCallbacks { private final LinkButtonContainer mFacebookButton = new LinkButtonContainer(); private final LinkButtonContainer mTwitterButton = new LinkButtonContainer(); private final LinkButtonContainer mGooglePlusButton = new LinkButtonContainer(); private final LinkButtonContainer mLinkedInButton = new LinkButtonContainer(); private CurrentMode mCurrentMode = CurrentMode.None; private ILinkAccount mAccountLinker; public LinkAccountManager() { } public LinkButtonContainer getFacebookButton() { return mFacebookButton; } public LinkButtonContainer getTwitterButton() { return mTwitterButton; } public LinkButtonContainer getGooglePlusButton() { return mGooglePlusButton; } public LinkButtonContainer getLinkedInButton() { return mLinkedInButton; } public ILinkAccount getAccountLinker() { return mAccountLinker; } public void setupButtons(View view) { mFacebookButton.init(view.findViewById(R.id.link_facebook_layout)); mTwitterButton.init(view.findViewById(R.id.link_twitter_layout)); mGooglePlusButton.init(view.findViewById(R.id.link_google_layout)); mLinkedInButton.init(view.findViewById(R.id.link_linkedin_layout)); mFacebookButton.setIconRes(R.drawable.ic_facebook); mFacebookButton.setBackgroundRes(R.drawable.circle_facebook); mTwitterButton.setIconRes(R.drawable.ic_twitter); mTwitterButton.setBackgroundRes(R.drawable.circle_twitter); mGooglePlusButton.setIconRes(R.drawable.ic_google_plus); mGooglePlusButton.setBackgroundRes(R.drawable.circle_google_plus); final PreferencesTracker mPref = PreferencesTracker.getInstance(); mFacebookButton.updateLinked(mPref.isFacebookLinked()); mTwitterButton.updateLinked(mPref.isTwitterLinked()); mGooglePlusButton.updateLinked(mPref.isGooglePlusLinked()); mFacebookButton.getButton().setOnClickListener(mClickListener); mTwitterButton.getButton().setOnClickListener(mClickListener); mGooglePlusButton.getButton().setOnClickListener(mClickListener); mLinkedInButton.getButton().setOnClickListener(mClickListener); if (mCurrentMode != CurrentMode.None) { switch (mCurrentMode) { case Facebook: mAccountLinker.setButtonContainer(mFacebookButton); break; case Twitter: mAccountLinker.setButtonContainer(mTwitterButton); break; case GooglePlus: break; } } } public void onCreate(Bundle savedInstanceState) { if (savedInstanceState != null) { mCurrentMode = CurrentMode.valueOf(savedInstanceState.getString(EXTRA_CURRENT_LINKER)); switch (mCurrentMode) { case Facebook: mAccountLinker = new LinkFacebook(getActivity(), LinkAccountManager.this); break; case Twitter: mAccountLinker = new LinkTwitter(getActivity(), LinkAccountManager.this); break; case GooglePlus: break; } if (mAccountLinker != null) mAccountLinker.onCreate(savedInstanceState); } } public void onSaveInstanceState(Bundle outState) { outState.putString(EXTRA_CURRENT_LINKER, mCurrentMode.name()); mAccountLinker.onSaveInstanceState(outState); } public void onActivityResult(int requestCode, int resultCode, Intent data) { mAccountLinker.onLinkResult(requestCode, resultCode, data); mCurrentMode = CurrentMode.None; } @Override public void onLinked(boolean succ, int toastId) { final Toast toast = Toast.makeText(getActivity(), toastId, Toast.LENGTH_SHORT); toast.show(); } private View.OnClickListener mClickListener = new View.OnClickListener() { @Override public void onClick(View v) { if (v.getTag() == null) { Log.e(TAG, "Link button tag is null"); return; } else if (!Utils.checkNetworkConnection()) { Toast.makeText(getActivity(), R.string.network_not_available, Toast.LENGTH_SHORT).show(); return; } final int tag = (int) v.getTag(); switch (tag) { case R.id.link_facebook_layout: mCurrentMode = CurrentMode.Facebook; mAccountLinker = new LinkFacebook(getActivity(), LinkAccountManager.this); mAccountLinker.setButtonContainer(mFacebookButton); break; case R.id.link_twitter_layout: mCurrentMode = CurrentMode.Twitter; mAccountLinker = new LinkTwitter(getActivity(), LinkAccountManager.this); mAccountLinker.setButtonContainer(mTwitterButton); break; default: mAccountLinker = null; Log.w(TAG, "account linker not implemented yet."); break; } if (mAccountLinker == null) return; else if (mAccountLinker.isLinked()) { mAccountLinker.unlink(); } else { switch (mCurrentMode) { case Facebook: mAccountLinker.link(LinkShareDialog.this); break; default: mAccountLinker.link(null); break; } } } }; } }