Java tutorial
/* * The MIT License (MIT) * * Copyright (c) 2014-2015 Umeng, Inc * * 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.umeng.comm.ui.activities; import android.annotation.SuppressLint; import android.content.Context; import android.os.Bundle; import android.os.Handler; import android.os.Message; import android.support.v4.app.Fragment; import android.support.v4.app.FragmentActivity; import android.support.v4.app.FragmentManager; import android.support.v4.app.FragmentTransaction; import android.view.View; import android.view.Window; import android.view.inputmethod.InputMethodManager; import com.umeng.comm.core.CommunitySDK; import com.umeng.comm.core.beans.CommConfig; import com.umeng.comm.core.constants.Constants; import com.umeng.comm.core.imageloader.UMImageLoader; import com.umeng.comm.core.impl.CommunityFactory; import com.umeng.comm.core.nets.responses.AbsResponse; import com.umeng.comm.core.nets.uitls.NetworkUtils; import com.umeng.comm.core.sdkmanager.ImageLoaderManager; import com.umeng.comm.core.utils.CommonUtils; import com.umeng.comm.ui.fragments.CommunityMainFragment; import com.umeng.comm.ui.utils.FontUtils; /** * FragmentActivityActivity, ?FragmentManagertitle * * @author mrsimple */ public class BaseFragmentActivity extends FragmentActivity { /** * Fragment? */ protected FragmentManager mFragmentManager = null; /** * Fragmentparent view,?Fragment */ protected int mFragmentContainer; /** * ?Fragment */ public Fragment mCurrentFragment; protected UMImageLoader mImageLoader = ImageLoaderManager.getInstance().getCurrentSDK(); protected CommunitySDK mSdkImpl; private int totalTime = 0; private boolean isFinish = false; private InputMethodManager mInputMan; protected CommunityMainFragment mFeedsFragment = new CommunityMainFragment(); /** * Handler???? */ @SuppressLint("HandlerLeak") private Handler mHandler = new Handler() { public void handleMessage(android.os.Message msg) { View view = (View) msg.obj; // if (msg.what == Constants.INPUT_METHOD_SHOW) { boolean result = mInputMan.showSoftInput(view, 0); if (!result && totalTime < Constants.LIMIT_TIME) { totalTime += Constants.IDLE; Message message = Message.obtain(msg); mHandler.sendMessageDelayed(message, Constants.IDLE); } else if (!isFinish) { totalTime = 0; result = view.requestFocus(); isFinish = true; } } else if (msg.what == Constants.INPUT_METHOD_DISAPPEAR) { // ?? mInputMan.hideSoftInputFromWindow(view.getWindowToken(), 0); } } }; public void showMainFeedFragment() { showFragment(mFeedsFragment); } public void initFragment(int container) { setFragmentContainerId(container); showFragment(mFeedsFragment); } // protected boolean consumeEventForFragment(int keyCode, KeyEvent event){ // return mFeedsFragment.onKeyDown(keyCode, event); // } /** * </br> * * @param view */ public void showInputMethod(View view) { sendInputMethodMessage(Constants.INPUT_METHOD_SHOW, view); } /** * ??</br> * * @param view */ public void hideInputMethod(View view) { sendInputMethodMessage(Constants.INPUT_METHOD_DISAPPEAR, view); } /** * ??show or hide?</br> * * @param type * @param view */ private void sendInputMethodMessage(int type, View view) { Message message = mHandler.obtainMessage(type); message.obj = view; mHandler.sendMessage(message); } @Override protected void onCreate(Bundle arg0) { requestWindowFeature(Window.FEATURE_NO_TITLE); super.onCreate(arg0); mFragmentManager = getSupportFragmentManager(); mInputMan = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE); mSdkImpl = CommunityFactory.getCommSDK(this); } /* * [ ?? ],?FragmentActivitybug */ @Override protected void onSaveInstanceState(Bundle outState) { } @Override protected void onResume() { super.onResume(); // SharedPreferences?? CommConfig.getConfig().loginedUser = CommonUtils.getLoginUser(this); // FontUtils.changeTypeface(getWindow().getDecorView()); } /** * @param container fragmentid * @param fragment ?Fragment */ public void addFragment(int container, Fragment fragment) { FragmentTransaction fragmentTransaction = mFragmentManager.beginTransaction(); if (!isFragmentAdded(fragment)) { fragmentTransaction.add(container, fragment, fragment.getClass().getName()).commitAllowingStateLoss(); mCurrentFragment = fragment; } else { fragmentTransaction.show(fragment).commitAllowingStateLoss(); } mFragmentContainer = container; } /** * ?? * * @param container fragmentid */ public void setFragmentContainerId(int container) { mFragmentContainer = container; } /** * Fragment?? * * @param fragment ???Fragment * @return */ public boolean isFragmentAdded(Fragment fragment) { return fragment != null && mFragmentManager.findFragmentByTag(fragment.getClass().getName()) != null; } /** * fragmentid */ private void checkContainer() { if (mFragmentContainer <= 0) { throw new RuntimeException( "replaceFragment?setFragmentContainerId?fragment container id"); } } /** * Fragment?? * * @param fragment */ public void showFragment(Fragment fragmentShow) { showFragmentInContainer(mFragmentContainer, fragmentShow); } /** * fragmentShowcontainer,?mFragmentContainer * ?Fragment?Fragment * * @param container * @param fragmentShow */ public void showFragmentInContainer(int container, Fragment fragmentShow) { checkContainer(); if (mCurrentFragment != fragmentShow) { FragmentTransaction transaction = mFragmentManager.beginTransaction(); if (mCurrentFragment != null) { // ???Fragment transaction.hide(mCurrentFragment); } // ???Fragment if (mFragmentManager.findFragmentByTag(fragmentShow.getClass().getName()) == null) { transaction.add(container, fragmentShow, fragmentShow.getClass().getName()); } else { transaction.show(fragmentShow); } transaction.commitAllowingStateLoss(); mCurrentFragment = fragmentShow; } } /** * TODO Fragment?Fragment * * @param fragment */ public void replaceFragment(Fragment fragment) { replaceFragment(fragment, false); } /** * @param fragment */ public void replaceFragment(Fragment fragment, boolean isAddToBackStack) { checkContainer(); FragmentTransaction transaction = mFragmentManager.beginTransaction(); transaction.replace(mFragmentContainer, fragment); if (isAddToBackStack) { transaction.addToBackStack(null); } transaction.commitAllowingStateLoss(); mCurrentFragment = fragment; } /** * @param container * @param fragment */ public void replaceFragment(int container, Fragment fragment) { checkContainer(); if (mCurrentFragment != fragment) { FragmentTransaction transaction = mFragmentManager.beginTransaction(); transaction.replace(container, fragment, fragment.getClass().getSimpleName()); transaction.commitAllowingStateLoss(); mCurrentFragment = fragment; } } /** * @param fragment */ public void remove(Fragment fragment) { if (null != fragment) { FragmentTransaction transaction = mFragmentManager.beginTransaction(); transaction.remove(fragment); transaction.commitAllowingStateLoss(); } } /** * @param fragment */ public void detach(Fragment fragment) { if (null != fragment) { FragmentTransaction transaction = mFragmentManager.beginTransaction(); transaction.detach(fragment); transaction.commit(); } } @Override protected void onDestroy() { // avoid memory leak mHandler.removeCallbacksAndMessages(null); if (mFeedsFragment != null) { mFeedsFragment.hideCommentLayoutAndInputMethod(); } super.onDestroy(); } public boolean handlerResponse(AbsResponse<?> response) { return NetworkUtils.handlerResponse(this.getApplicationContext(), response); } }