<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
  xmlns:tools="http://schemas.android.com/tools"
  android:layout_width="match_parent"
  android:layout_height="match_parent"
  tools:context="com.landptf.blog.MainActivity">

  <fragment
    android:id="@+id/fm_splash"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    class="com.landptf.blog.splash.SplashFragment" />

  <fragment
    android:id="@+id/fm_main"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    class="com.landptf.blog.MainFragment" />

</FrameLayout>

/**
 * Created by landptf on 2017/03/18.
 * 主頁面，包含了SplashFragment和MainFragment
 */
public class MainActivity extends AppCompatActivity {

  private FragmentManager frManager;
  private SplashFragment fmSplash;
  private MainFragment fmMain;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    initView();
  }

  private void initView() {
    frManager = getSupportFragmentManager();
    fmSplash = (SplashFragment) frManager.findFragmentById(R.id.fm_splash);
    fmMain = (MainFragment) frManager.findFragmentById(R.id.fm_main);
    showSplash();
  }

  private void showSplash(){
    frManager.beginTransaction().hide(fmMain).show(fmSplash).commit();
  }

  public void dismissSplash(){
    frManager.beginTransaction().hide(fmSplash).show(fmMain).commitAllowingStateLoss();
  }
}

/**
 * Created by landptf on 2017/03/18.
 * 啟動頁，集成了騰訊廣告聯(lián)盟的開屏廣告
 */
public class SplashFragment extends Fragment {
  private static final String TAG = SplashFragment.class.getSimpleName();

  private MainActivity activity;

  private ViewGroup container;
  private TextView tvSkip;
  private ImageView ivSplashHolder;
  private static final String SKIP_TEXT = "點擊跳過 %d";

  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
  }

  @Override
  public View onCreateView(LayoutInflater inflater, ViewGroup container,
               Bundle savedInstanceState) {
    return inflater.inflate(R.layout.fragment_splash, container, false);
  }

  @Override
  public void onActivityCreated(@Nullable Bundle savedInstanceState) {
    super.onActivityCreated(savedInstanceState);
    activity = (MainActivity) getActivity();
    initView();
  }

  private void initView() {
    container = (ViewGroup) activity.findViewById(R.id.fl_splash_container);
    tvSkip = (TextView) activity.findViewById(R.id.tv_skip);
    ivSplashHolder = (ImageView) activity.findViewById(R.id.iv_splash_holder);
    //申請動態(tài)權(quán)限
    ApplyPermissions();
  }

  /**
   * 動態(tài)申請集成騰訊廣告聯(lián)盟的開屏廣告所需要的三個權(quán)限
   * 使用了RxPermissions開源框架
   */
  private void ApplyPermissions() {
    RxPermissions rxPermissions = new RxPermissions(activity);
    rxPermissions
        .request(Manifest.permission.READ_PHONE_STATE,
            Manifest.permission.ACCESS_COARSE_LOCATION,
            Manifest.permission.WRITE_EXTERNAL_STORAGE)
        .subscribe(granted -> {
          if (granted) {
            //獲取開屏廣告
            new SplashAD(activity, container, tvSkip, Constants.APPID, Constants.SplashPosID, adListener, 5000);
          } else {
            //直接進入主頁面
            activity.dismissSplash();
          }
        });

  }

  /**
   * 開屏廣告狀態(tài)的監(jiān)聽
   */
  private SplashADListener adListener = new SplashADListener() {

    /**
     * 廣告關(guān)閉時調(diào)用，可能是用戶關(guān)閉或者展示時間到。此時一般需要跳過開屏的Activity，進入應(yīng)用內(nèi)容頁面
     */
    @Override
    public void onADDismissed() {
      activity.dismissSplash();
    }

    /**
     * 廣告加載失敗，errCode用于描述失敗原因。
     * @param i
     */
    @Override
    public void onNoAD(int i) {
      Log.e(TAG, "error code = " + i);
      activity.dismissSplash();
    }

    /**
     * 廣告成功展示時調(diào)用
     */
    @Override
    public void onADPresent() {
      ivSplashHolder.setVisibility(View.GONE);
    }

    /**
     * 廣告被點擊時調(diào)用
     */
    @Override
    public void onADClicked() {
      Log.i(TAG, "SplashADClicked");
    }

    /**
     * 倒計時回調(diào)，返回廣告還將被展示的剩余時間，單位是ms
     * @param l
     */
    @Override
    public void onADTick(long l) {
      tvSkip.setText(String.format(SKIP_TEXT, Math.round(l / 1000f)));
    }
  };
}

/**
 * 模擬后臺耗時操作
 */
private void testThread(){
  new Thread(() -> {
    int i = 0;
    while (i < 5) {
      try {
        Thread.sleep(1000);
      } catch (InterruptedException e) {
        e.printStackTrace();
      }
      Log.e(TAG, "--- " + i + " ---");
      i++;
    }
  }).start();
}

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