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.simplify.ui.fragments; import android.support.v4.app.Fragment; import android.support.v4.app.FragmentPagerAdapter; import android.support.v4.view.ViewPager; import android.view.View; import android.view.ViewGroup; import android.view.animation.TranslateAnimation; import android.widget.TextView; import com.umeng.comm.core.utils.CommonUtils; import com.umeng.comm.core.utils.DeviceUtils; import com.umeng.comm.core.utils.ResFinder; import com.umeng.common.ui.fragments.BaseFragment; import com.umeng.common.ui.presenter.impl.NullPresenter; /** * ??tab Fragment */ public class CommentTabFragment extends BaseFragment<Void, NullPresenter> { CommentReceivedFragment mReceiveFragment; CommentPostedFragment mPostedFragment; // private ViewPagerIndicator mIndicator; private ViewPager mViewPager; // private String[] mTitles = null; private FragmentPagerAdapter mAdapter; private TextView mCommentReceivedTv; private TextView mCommentPostedTv; private View mTabCursor; private int mScreenWidth; private int mCurrentTab; private int mTabDistance; private Class mUserInfoClass; private Class mTopicDetailClassName; private Class mFeedDetailClassName; @Override protected int getFragmentLayout() { return ResFinder.getLayout("umeng_simplify_comment_main_layout"); } @Override protected void initWidgets() { mScreenWidth = DeviceUtils.getScreenSize(getActivity()).x; // mTitles = getResources().getStringArray( // ResFinder.getResourceId(ResType.ARRAY, "umeng_comm_comments_tabs")); // // mIndicator = (ViewPagerIndicator) findViewById(ResFinder // .getId("umeng_comm_comment_indicator")); mCommentReceivedTv = findViewById(ResFinder.getId("umeng_comm_comment_received")); mCommentReceivedTv.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { mViewPager.setCurrentItem(0); } }); mCommentPostedTv = findViewById(ResFinder.getId("umeng_comm_comment_posted")); mCommentPostedTv.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { mViewPager.setCurrentItem(1); } }); mTabCursor = findViewById(ResFinder.getId("umeng_comm_tab_cursor")); ViewGroup.LayoutParams params = mTabCursor.getLayoutParams(); params.width = mScreenWidth / 2; mViewPager = (ViewPager) findViewById(ResFinder.getId("umeng_comm_comment_viewPager")); mViewPager.setOnPageChangeListener(new ViewPager.OnPageChangeListener() { @Override public void onPageScrolled(int i, float v, int i1) { } @Override public void onPageSelected(int i) { moveTabCurosr(i); changeSelectedTab(i); } @Override public void onPageScrollStateChanged(int i) { } }); // mIndicator.setTabItemTitles(mTitles); mAdapter = new FragmentPagerAdapter(getFragmentManager()) { @Override public int getCount() { return 2; } @Override public Fragment getItem(int pos) { return getFragment(pos); } }; mViewPager.setAdapter(mAdapter); // ?ViewPager // mIndicator.setViewPager(mViewPager, 0); initTab(); } /** * ?Fragment0??? 1</br> * * @param pos * @return */ private Fragment getFragment(int pos) { if (pos == 0) { if (mReceiveFragment == null) { mReceiveFragment = new CommentReceivedFragment(); mReceiveFragment.setFeedDetailClassName(mFeedDetailClassName); mReceiveFragment.setTopicDetailClassName(mTopicDetailClassName); mReceiveFragment.setUserInfoClassName(mUserInfoClass); } return mReceiveFragment; } else if (pos == 1) { if (mPostedFragment == null) { mPostedFragment = new CommentPostedFragment(); mPostedFragment.setFeedDetailClassName(mFeedDetailClassName); mPostedFragment.setTopicDetailClassName(mTopicDetailClassName); mPostedFragment.setUserInfoClassName(mUserInfoClass); } return mPostedFragment; } return null; } private void moveTabCurosr(int position) { float endPosition; float startPosition; if (mCurrentTab == position) { return; } if (mCurrentTab == 0) { startPosition = 0; } else { startPosition = mTabDistance; } if (position == 0) { endPosition = 0; } else { endPosition = mTabDistance; } mCurrentTab = position; TranslateAnimation animation = new TranslateAnimation(startPosition, endPosition, 0, 0); animation.setDuration(180);//? animation.setFillAfter(true); mTabCursor.startAnimation(animation); } private void changeSelectedTab(int i) { mCommentReceivedTv.setSelected(i == 0); mCommentPostedTv.setSelected(i == 1); } private void initTab() { changeSelectedTab(0); // mTabDistance = (mScreenWidth - CommonUtils.dip2px(getActivity(), 80 * 2)) / 4; mTabDistance = mScreenWidth / 2; // TranslateAnimation animation = new TranslateAnimation(0, mTabDistance, 0, 0); // animation.setDuration(0);//? // animation.setFillAfter(true); // mTabCursor.startAnimation(animation); } public void setUserInfoClassName(Class userInfoClassName) { this.mUserInfoClass = userInfoClassName; } public void setTopicDetailClassName(Class topicDetailClassName) { this.mTopicDetailClassName = topicDetailClassName; } public void setFeedDetailClassName(Class feedDetailClassName) { this.mFeedDetailClassName = feedDetailClassName; } }