Java tutorial
/* * Copyright (C) 2013 The Android Open Source Project * * 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 com.team3.classical.slidingtabs; import com.team3.classical.activities.ChatSender; import com.team3.classical.activities.ListViewActivity; import com.team3.classical.activities.SampleActivityBase; import com.team3.classical.slidingtabs.R; import com.team3.classical.view.SlidingTabLayout; import android.content.Context; import android.content.Intent; import android.os.Bundle; import android.support.v4.app.Fragment; import android.support.v4.view.PagerAdapter; import android.support.v4.view.ViewPager; import android.util.Log; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.view.WindowManager; import android.view.inputmethod.InputMethodManager; import android.widget.TextView; import java.util.List; import static com.team3.classical.slidingtabs.R.layout.fragment_sample; /** * A basic sample which shows how to use {@link com.team3.classical.view.SlidingTabLayout} * to display a custom {@link ViewPager} title strip which gives continuous feedback to the user * when scrolling. */ public class SlidingTabsBasicFragment extends Fragment { private int colors[] = { Color.rgb(0xff, 0xff, 0xff), Color.rgb(0xf0, 0x96, 0x09), Color.rgb(0x8c, 0xbf, 0x26), Color.rgb(0x00, 0xab, 0xa9), Color.rgb(0x99, 0x6c, 0x33), Color.rgb(0x3b, 0x92, 0xbc), Color.rgb(0xd5, 0x4d, 0x34), Color.rgb(0xcc, 0xcc, 0xcc) }; public static final String TAG = "SlidingTabsBasic"; SampleActivityBase app; ChatSender cs = new ChatSender(); ListViewActivity lva;// = new ListViewActivity(); static final String LOG_TAG = "SlidingTabsBasicFragment"; static final String[] titles = { "Calendar", "Chat", "Forum" }; /** * A custom {@link ViewPager} title strip which looks much like Tabs present in Android v4.0 and * above, but is designed to give continuous feedback to the user when scrolling. */ private SlidingTabLayout mSlidingTabLayout; /** * A {@link ViewPager} which will be used in conjunction with the {@link SlidingTabLayout} above. */ private ViewPager mViewPager; public void setActivity(SampleActivityBase sab) { app = sab; } /** * Inflates the {@link View} which will be displayed by this {@link Fragment}, from the app's * resources. */ @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { return inflater.inflate(fragment_sample, container, false); } // BEGIN_INCLUDE (fragment_onviewcreated) /** * This is called after the {@link #onCreateView(LayoutInflater, ViewGroup, Bundle)} has finished. * Here we can pick out the {@link View}s we need to configure from the content view. * * We set the {@link ViewPager}'s adapter to be an instance of {@link SamplePagerAdapter}. The * {@link SlidingTabLayout} is then given the {@link ViewPager} so that it can populate itself. * * @param view View created in {@link #onCreateView(LayoutInflater, ViewGroup, Bundle)} */ @Override public void onViewCreated(View view, Bundle savedInstanceState) { // BEGIN_INCLUDE (setup_viewpager) // Get the ViewPager and set it's PagerAdapter so that it can display items mViewPager = (ViewPager) view.findViewById(R.id.viewpager); mViewPager.setAdapter(new SamplePagerAdapter()); // END_INCLUDE (setup_viewpager) // BEGIN_INCLUDE (setup_slidingtablayout) // Give the SlidingTabLayout the ViewPager, this must be done AFTER the ViewPager has had // it's PagerAdapter set. mSlidingTabLayout = (SlidingTabLayout) view.findViewById(R.id.sliding_tabs); mSlidingTabLayout.setViewPager(mViewPager); // END_INCLUDE (setup_slidingtablayout) } // END_INCLUDE (fragment_onviewcreated) /** * The {@link android.support.v4.view.PagerAdapter} used to display pages in this sample. * The individual pages are simple and just display two lines of text. The important section of * this class is the {@link #getPageTitle(int)} method which controls what is displayed in the * {@link SlidingTabLayout}. */ class SamplePagerAdapter extends PagerAdapter { /** * @return the number of pages to display */ @Override public int getCount() { return 3; } /** * @return true if the value returned from {@link #instantiateItem(ViewGroup, int)} is the * same object as the {@link View} added to the {@link ViewPager}. */ @Override public boolean isViewFromObject(View view, Object o) { return o == view; } // BEGIN_INCLUDE (pageradapter_getpagetitle) /** * Return the title of the item at {@code position}. This is important as what this method * returns is what is displayed in the {@link SlidingTabLayout}. * <p> * Here we construct one using the position value, but for real application the title should * refer to the item's contents. */ @Override public CharSequence getPageTitle(int position) { return titles[position]; } // END_INCLUDE (pageradapter_getpagetitle) /** * Instantiate the {@link View} which should be displayed at {@code position}. Here we * inflate a layout from the apps resources and then change the text view to signify the position. */ @Override public Object instantiateItem(ViewGroup container, int position) { // Inflate a new layout from our resources app.closeKeyboard(); View view = getActivity().getLayoutInflater().inflate(R.layout.chat, container, false); switch (position) { case 0: view = getActivity().getLayoutInflater().inflate(R.layout.event_calendar_ltl, container, false); LinearLayout ll1 = (LinearLayout) view.findViewById(R.id.ll1); LinearLayout ll2 = (LinearLayout) view.findViewById(R.id.ll2); LinearLayout ll3 = (LinearLayout) view.findViewById(R.id.ll3); LinearLayout ll4 = (LinearLayout) view.findViewById(R.id.ll4); LinearLayout ll5 = (LinearLayout) view.findViewById(R.id.ll5); LinearLayout ll6 = (LinearLayout) view.findViewById(R.id.ll6); LinearLayout ll7 = (LinearLayout) view.findViewById(R.id.ll7); setNoClass(ll2, 2, 0); setClass(ll2, "EAPS 10400-001", "12738 Class", "10:30am-11:45am", "PHYS 203", 5, 1); setNoClass(ll2, 1, 0); setClass(ll2, "MA 35100-021", "22126 Class", "12:00pm-1:15pm", "UNIV 103", 5, 2); setNoClass(ll2, 1, 0); setClass(ll2, "CS 25200-LE1", "52938 Class", "1:30pm-2:45pm", "LILY G126", 5, 3); setNoClass(ll2, 1, 0); setClass(ll2, "CS 30700-LE1", "43855 Class", "3:00pm-4:15pm", "WTHR 172", 5, 4); setNoClass(ll2, 1, 0); setClass(ll2, "MA 41600-161", "43158 Class", "4:30pm-5:45pm", "REC 123", 5, 5); setNoClass(ll2, 1, 0); setNoClass(ll3, 14, 0); setClass(ll3, "CS 25200-L03", "69083 Class", "1:30pm-3:20pm", "LWSN B148", 7, 5); setNoClass(ll4, 2, 0); setClass(ll4, "EAPS 10400-001", "12738 Class", "10:30am-11:45am", "PHYS 203", 5, 1); setNoClass(ll4, 1, 0); setClass(ll4, "MA 35100-021", "22126 Class", "12:00pm-1:15pm", "UNIV 103", 5, 2); setNoClass(ll4, 1, 0); setClass(ll4, "CS 25200-LE1", "52938 Class", "1:30pm-2:45pm", "LILY G126", 5, 3); setNoClass(ll4, 1, 0); setClass(ll4, "CS 30700-LE1", "43855 Class", "3:00pm-4:15pm", "WTHR 172", 5, 4); setNoClass(ll4, 1, 0); setClass(ll4, "MA 41600-161", "43158 Class", "4:30pm-5:45pm", "REC 123", 5, 5); setNoClass(ll4, 1, 0); break; case 1: view = getActivity().getLayoutInflater().inflate(R.layout.chat, container, false); if (ChatSender.numInstances == 0) { cs.startListener(view); ChatSender.numInstances++; } break; case 2: view = getActivity().getLayoutInflater().inflate(R.layout.forum, container, false); lva = new ListViewActivity(view); break; } container.addView(view); // Return the View return view; } /** * Destroy the item from the {@link ViewPager}. In our case this is simply removing the * {@link View}. */ @Override public void destroyItem(ViewGroup container, int position, Object object) { container.removeView((View) object); } } void setClass(LinearLayout ll, String title, String place, String last, String time, int classes, int color) { View view = LayoutInflater.from(ll.getContext()).inflate(R.layout.item2, null); view.setMinimumHeight(dip2px(ll.getContext(), classes * 25)); view.setBackgroundColor(colors[color]); ((TextView) view.findViewById(R.id.title)).setText(title); ((TextView) view.findViewById(R.id.place)).setText(place); ((TextView) view.findViewById(R.id.last)).setText(last); ((TextView) view.findViewById(R.id.time)).setText(time); view.setOnClickListener(new OnClickClassListener()); ll.addView(view); } void setNoClass(LinearLayout ll, int classes, int color) { TextView blank = new TextView(ll.getContext()); if (color == 0) blank.setMinHeight(dip2px(ll.getContext(), classes * 25)); blank.setBackgroundColor(Color.parseColor("#F0FFFF")); ll.addView(blank); } class OnClickClassListener implements View.OnClickListener { public void onClick(View v) { String title; title = (String) ((TextView) v.findViewById(R.id.title)).getText(); Toast.makeText(v.getContext(), "chick is:" + title, Toast.LENGTH_SHORT).show(); } } public static int dip2px(Context context, float dpValue) { final float scale = context.getResources().getDisplayMetrics().density; return (int) (dpValue * scale + 0.5f); } public static int px2dip(Context context, float pxValue) { final float scale = context.getResources().getDisplayMetrics().density; return (int) (pxValue / scale + 0.5f); } }