package cn.com.basic.face.base;
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import android.content.Context;
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import android.os.Handler;
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import android.support.design.widget.TabLayout;
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import android.support.v4.app.Fragment;
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import android.support.v4.app.FragmentManager;
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import android.support.v4.app.FragmentPagerAdapter;
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import android.support.v4.view.ViewPager;
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import android.os.Bundle;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.Window;
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import android.view.WindowManager;
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import android.widget.ImageView;
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import android.widget.LinearLayout;
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import android.widget.TextView;
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import android.widget.Toast;
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import com.bsk.zhangbo.demoforbsk.R;
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import cn.com.basic.face.fragment.SurveillanceFragment;
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import cn.com.basic.face.util.TabNameUtil;
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import cn.com.basic.face.fragment.AttendanceFragment;
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import cn.com.basic.face.fragment.CheckInFragment;
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import cn.com.basic.face.fragment.DeviceFragment;
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import cn.com.basic.face.fragment.PhoneCallFragment;
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import cn.com.basic.face.fragment.RegisterFragment;
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import cn.com.basic.face.fragment.VisitFragment;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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public class MainActivity extends BaseActivity {
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private static MainActivity instance;
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private static TabLayout mTabLayout;
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private static ViewPager mViewPager;
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public static void selectPage(int pageNum) {
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mTabLayout.getTabAt(pageNum).select();
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}
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@Override
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public int getLayoutId() {
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return R.layout.activity_main;
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}
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@Override
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public void initViews(Bundle savedInstanceState) {
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mTabLayout = (TabLayout) findViewById(R.id.tab_layout);
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mViewPager = (ViewPager) findViewById(R.id.viewpager);
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mTabLayout.setTabGravity(TabLayout.GRAVITY_FILL);
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instance = this;
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}
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@Override
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public void initData() {
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List<String> tabNamesList = Arrays.asList(TabNameUtil.tabNames);
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int[] tabIcons = TabNameUtil.tabIcons;
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MyFragmentPagerAdapter myFragmentPagerAdapter = new MyFragmentPagerAdapter(getSupportFragmentManager(),MainActivity.this);
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myFragmentPagerAdapter.addFragment(SurveillanceFragment.getInstance(), tabNamesList.get(0),tabIcons[0]);
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myFragmentPagerAdapter.addFragment(RegisterFragment.getInstance(), tabNamesList.get(1),tabIcons[1]);
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myFragmentPagerAdapter.addFragment(CheckInFragment.getInstance(), tabNamesList.get(2),tabIcons[2]);
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myFragmentPagerAdapter.addFragment(PhoneCallFragment.getInstance(), tabNamesList.get(3),tabIcons[3]);
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myFragmentPagerAdapter.addFragment(VisitFragment.getInstance(), tabNamesList.get(4),tabIcons[4]);
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myFragmentPagerAdapter.addFragment(AttendanceFragment.getInstance(), tabNamesList.get(5),tabIcons[5]);
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myFragmentPagerAdapter.addFragment(DeviceFragment.getInstance(), tabNamesList.get(6),tabIcons[6]);
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mViewPager.setAdapter(myFragmentPagerAdapter);
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mViewPager.setOffscreenPageLimit(6);//viewpager缓存个数
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mTabLayout.setupWithViewPager(mViewPager);
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mTabLayout.setTabMode(TabLayout.MODE_FIXED);
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for (int i = 0; i < mTabLayout.getTabCount(); i++) {
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TabLayout.Tab tab = mTabLayout.getTabAt(i);
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LinearLayout view = (LinearLayout)myFragmentPagerAdapter.getTabView(i);
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tab.setCustomView(view);
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if (i == 0) {
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tab.getCustomView().setSelected(true);
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}
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}
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}
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public static MainActivity getInstance() {
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return instance;
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}
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public static class MyFragmentPagerAdapter extends FragmentPagerAdapter {
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private final List<Fragment> mFragments = new ArrayList<>();
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private final List<String> mFragmentTitles = new ArrayList<>();
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private final List<Integer> mFragmentIcons = new ArrayList<>();
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private Context context;
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public MyFragmentPagerAdapter(FragmentManager fm, Context context) {
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super(fm);
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this.context = context;
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}
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public void addFragment(Fragment fragment, String title,int drawable) {
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mFragments.add(fragment);
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mFragmentTitles.add(title);
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mFragmentIcons.add(drawable);
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}
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@Override
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public Fragment getItem(int position) {
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return mFragments.get(position);
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}
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@Override
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public int getCount() {
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return mFragments.size();
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}
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@Override
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public CharSequence getPageTitle(int position) {
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return null;
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}
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public View getTabView(int position){
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View view = LayoutInflater.from(context).inflate(R.layout.activity_main_tab,null);
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TextView mTvTitle = (TextView) view.findViewById(R.id.tab_item_title);
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mTvTitle.setText(mFragmentTitles.get(position));
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ImageView mImgIcon = (ImageView) view.findViewById(R.id.tab_item_icon);
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mImgIcon.setImageResource(mFragmentIcons.get(position));
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return view;
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}
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}
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boolean doubleBackToExitPressedOnce = false;
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@Override
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public void onBackPressed() {
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if (doubleBackToExitPressedOnce) {
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super.onBackPressed();
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return;
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}
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this.doubleBackToExitPressedOnce = true;
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Toast.makeText(this, "请再次按返回键退出", Toast.LENGTH_SHORT).show();
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new Handler().postDelayed(new Runnable() {
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@Override
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public void run() {
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doubleBackToExitPressedOnce=false;
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}
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}, 2000);
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}
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}
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