Android Open Source - Chopping Error Handler Fragment

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License

The source code is released under:

Apache License

Java Source Code

package com.chopping.fragments;
/*  w w w .ja v  a2  s  .  c o  m*/
import static android.view.View.GONE;
import static android.view.View.VISIBLE;

import com.chopping.R;
import com.chopping.activities.ErrorHandlerActivity;
import com.chopping.application.ErrorHandler;
import com.chopping.bus.ReloadEvent;
import com.chopping.utils.NetworkUtils;

import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentTransaction;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
import de.greenrobot.event.EventBus;

/**
 * {@link com.chopping.fragments.ErrorHandlerFragment} provides basic logical for an error happens when internet is not
 * available.
 * <p/>
 * <b>Relate class</b>
 * <p/>
 * {@link com.chopping.activities.ErrorHandlerActivity}
 */
public class ErrorHandlerFragment extends Fragment {
  private static int LAYOUT = R.layout.fragment_errorhandler;

  /**
   * Extras. {@link java.lang.String} description of error.
   * <p/>
   * Equal to {@link com.chopping.activities.ErrorHandlerActivity#EXTRAS_ERR_MSG}.
   */
  public static final String EXTRAS_ERR_MSG = ErrorHandlerActivity.EXTRAS_ERR_MSG;
  /**
   * Extras. A {@link boolean}, {@code true} if shows error because of airplane mode being ON, and a button that opens
   * setting will be shown as well.
   * <p/>
   * Equal to {@link com.chopping.activities.ErrorHandlerActivity#EXTRAS_AIRPLANE_MODE}.
   */
  public static final String EXTRAS_AIRPLANE_MODE = ErrorHandler.EXTRAS_AIRPLANE_MODE;

  //------------------------------------------------
  //Subscribes, event-handlers
  //------------------------------------------------

  /**
   * Handler for {@link }
   *
   * @param e
   *     Event {@link  }.
   */
  public void onEvent(Object e) {

  }

  //------------------------------------------------

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

  @Override
  public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
    super.onViewCreated(view, savedInstanceState);
    View retryBtn = view.findViewById(R.id.err_retry_btn);
    retryBtn.setOnClickListener(new View.OnClickListener() {
      @Override
      public void onClick(View v) {
        onReload();
      }
    });

    Bundle args = getArguments();
    if(args != null) {
      TextView errMsgTv = (TextView) view.findViewById(R.id.err_msg_tv);
      String msg = args.getString(EXTRAS_ERR_MSG);
      errMsgTv.setText(msg);

      View openAirplaneV = view.findViewById(R.id.open_airplane_setting_btn);
      boolean isAirplaneModeOn = args.getBoolean(EXTRAS_AIRPLANE_MODE, false);
      openAirplaneV.setVisibility(isAirplaneModeOn ? VISIBLE : GONE);
      if(isAirplaneModeOn) {
        openAirplaneV.setOnClickListener(new View.OnClickListener() {
          @Override
          public void onClick(View v) {
            NetworkUtils.openNetworkSetting(v.getContext());
          }
        });
      }
    }
  }

  /**
   * Call back for clicking a reload button.
   */
  protected void onReload() {
    EventBus.getDefault().postSticky(new ReloadEvent());
    getFragmentManager().popBackStack(null,
        FragmentManager.POP_BACK_STACK_INCLUSIVE);
    FragmentTransaction trans = getFragmentManager().beginTransaction();
    // trans.remove(_f);
    trans.commit();
  }

  @Override
  public void onResume() {
    EventBus.getDefault().register(this);
    super.onResume();
  }

  @Override
  public void onPause() {
    EventBus.getDefault().unregister(this);
    super.onPause();
  }

}

Java Source Code List

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