package cn.flightfeather.thirdapp.activity;
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import android.content.SharedPreferences;
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import android.os.Build;
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import android.os.Bundle;
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import android.support.v4.app.Fragment;
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import android.support.v4.content.ContextCompat;
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import android.support.v4.view.ViewPager;
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import android.support.v7.app.AppCompatActivity;
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import android.view.View;
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import android.widget.LinearLayout;
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import java.util.ArrayList;
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import java.util.List;
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import cn.flightfeather.thirdapp.R;
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import cn.flightfeather.thirdapp.adapter.ContentFragmentAdapter;
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import cn.flightfeather.thirdapp.CommonApplication;
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import cn.flightfeather.thirdapp.module.login.CardFragment;
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import cn.flightfeather.thirdapp.util.updateApp.UpdateAppUtil;
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import cn.flightfeather.thirdapp.view.OrientedViewPager;
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import cn.flightfeather.thirdapp.view.VerticalStackTransformer;
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public class LoginActivity extends AppCompatActivity implements ViewPager.OnPageChangeListener {
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//region 定义变量及对象
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//横向ViewPager
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private OrientedViewPager movp_main;
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//线性布局
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private LinearLayout mln;
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//卡片碎片
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private CardFragment fragmentCurrent;
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//内容碎片适配器
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private ContentFragmentAdapter adapter;
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//是否显示
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private Boolean show = false;
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//碎片集合
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List<Fragment> fragmentList = new ArrayList<>();
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//当前位置
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private int positionCurrent = 0;
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//endregion
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//region Activity创建
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.activity_login);
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// //将此Activity加入集合中
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// MyApplication.getInstance().addActivity(this);
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//初始化控件
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initControl();
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//初始化碎片集合数据
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initFragmentListData();
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//创建内容碎片适配器
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createContentFragmentAdapter();
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//设置横向ViewPager
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setOrientationViewPager();
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//设置监听
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setListener();
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//初始化半透明状态栏
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initTransparentStatsBar();
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//更新检查
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checkUpdate();
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}
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/**
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* Dispatch onResume() to fragments. Note that for better inter-operation
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* with older versions of the platform, at the point of this call the
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* fragments attached to the activity are <em>not</em> resumed. This means
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* that in some cases the previous state may still be saved, not allowing
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* fragment transactions that modify the state. To correctly interact
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* with fragments in their proper state, you should instead override
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* {@link #onResumeFragments()}.
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*/
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@Override
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protected void onResume() {
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super.onResume();
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}
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//endregion
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//region 设置监听
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private void setListener() {
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//设置ViewPager滑动监听
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movp_main.setOnPageChangeListener(this);
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}
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//endregion
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//region 设置横向ViewPager
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private void setOrientationViewPager() {
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movp_main.setOrientation(OrientedViewPager.Orientation.VERTICAL);
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movp_main.setOffscreenPageLimit(2);
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movp_main.setPageTransformer(true, (ViewPager.PageTransformer) new VerticalStackTransformer(this));
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movp_main.setAdapter(adapter);
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movp_main.setDisableTouch(true);
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SharedPreferences sharedPre = getSharedPreferences("config", MODE_PRIVATE);
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positionCurrent = sharedPre.getInt("pos", 0);
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//设置默认显示碎片
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fragmentCurrent = (CardFragment) adapter.instantiateItem(movp_main, positionCurrent);
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}
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//endregion
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//region 创建内容碎片适配器
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private void createContentFragmentAdapter() {
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adapter = new ContentFragmentAdapter(getSupportFragmentManager(), fragmentList);
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}
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//endregion
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//region 初始化Fragment集合数据
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private void initFragmentListData() {
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fragmentList.add(new CardFragment());
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fragmentList.add(new CardFragment());
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fragmentList.add(new CardFragment());
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}
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//endregion
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//region 初始化控件
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private void initControl() {
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movp_main = (OrientedViewPager) findViewById(R.id.ovp_main);
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mln = (LinearLayout) findViewById(R.id.mln);
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}
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//endregion
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//region 初始化半透明状态栏
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public void initTransparentStatsBar() {
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
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this.getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
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this.getWindow().setStatusBarColor(ContextCompat.getColor(this, R.color.transStatusBar));
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mln.setPadding(0, getStatusBarHeight(), 0, 0);
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}
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}
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//endregion
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//region 获得状态栏高度
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public int getStatusBarHeight() {
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int result = 0;
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int resourceId = getResources().getIdentifier("status_bar_height", "dimen", "android");
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if (resourceId > 0) {
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result = getResources().getDimensionPixelSize(resourceId);
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}
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return result;
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}
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//endregion
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//region 显示登录按钮
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public void showButton() {
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// fragmentCurrent = adapter.getCardFragment();
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fragmentCurrent.showLoginButton();
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}
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//endregion
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//region 隐藏登录按钮
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public void hideButton() {
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fragmentCurrent.hideLoginButtion();
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}
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//endregion
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//region ViewPager滑动
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@Override
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public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
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if (position == 0 && positionOffsetPixels == 0) {
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show = true;
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} else {
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show = false;
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}
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}
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//endregion
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//region ViewPager选中
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@Override
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public void onPageSelected(int position) {
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fragmentCurrent = (CardFragment) adapter.instantiateItem(movp_main, position);
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showButton();
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int a = position % 3;
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if (a == 0) {
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mln.setBackgroundColor(getResources().getColor(R.color.lightBlue));
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fragmentCurrent.changeLoginColor("#03A9F4");
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} else if (a == 1) {
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mln.setBackgroundColor(getResources().getColor(R.color.lightGreen));
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fragmentCurrent.changeLoginColor("#8BC34A");
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} else if (a == 2) {
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mln.setBackgroundColor(getResources().getColor(R.color.orange));
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fragmentCurrent.changeLoginColor("#f26d44");
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}
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}
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//endregion
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//region ViewPager滑动状态改变
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@Override
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public void onPageScrollStateChanged(int state) {
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if (state == 1) {
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hideButton();
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} else if (state == 2) {
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showButton();
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} else if (state == 0 && show) {
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showButton();
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}
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}
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//endregion
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public void setCurFragment(int pos) {
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movp_main.setCurrentItem(pos);
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}
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//<editor-fold desc="检查更新">
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private void checkUpdate() {
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UpdateAppUtil updateAppUtil = new UpdateAppUtil((CommonApplication) getApplication(), this);
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updateAppUtil.checkUpdateApp(false);
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}
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//</editor-fold>
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}
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