Android Open Source - ExampleChopping Other Activity

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License

The source code is released under:

Apache License

Java Source Code

package com.chopping.example;
/*from   w w w . ja  v  a  2 s .  c  om*/
import com.android.volley.Request;
import com.chopping.activities.BaseActivity;
import com.chopping.application.BasicPrefs;
import com.chopping.example.data.DOUser;
import com.chopping.example.data.DOUsers;
import com.chopping.fragments.BaseFragment;
import com.chopping.net.GsonRequestTask;

import java.util.ArrayList;
import java.util.List;

import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.support.annotation.IdRes;
import android.support.v4.widget.SwipeRefreshLayout;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ListView;


public class OtherActivity extends BaseActivity {
  private static final int LAYOUT = R.layout.activity_other;
  private static final int ERR_HANDLER_CONTAINER = R.id.container;


  /**
   * Show instance of {@link com.chopping.example.OtherActivity}.
   *
   * @param cxt
   *     {@link android.content.Context}.
   */
  public static void showInstance(Context cxt) {
    Intent i = new Intent(cxt, OtherActivity.class);
    cxt.startActivity(i);
  }

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(LAYOUT);
    if (savedInstanceState == null) {
      getSupportFragmentManager().beginTransaction()
          .add(ERR_HANDLER_CONTAINER, ErrorPlayerFragment.newInstance(this, ERR_HANDLER_CONTAINER))
          .commit();
    }
  }

  @Override
  protected void onPostCreate(Bundle savedInstanceState) {
    super.onPostCreate(savedInstanceState);
    setErrorHandlerAvailable(false);
  }

  @Override
  protected BasicPrefs getPrefs() {
    return Prefs.getInstance();
  }

  /**
   * A {@link com.chopping.example.OtherActivity.ErrorPlayerFragment} demonstrates error-handling.
   */
  public static class ErrorPlayerFragment extends BaseFragment implements SwipeRefreshLayout.OnRefreshListener {
    private static final int LAYOUT = R.layout.fragment_other;
    private ListView mListView;
    private ArrayAdapter<String> mAdapter;
    private SwipeRefreshLayout mReloadSRL;

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


    public void onEvent(DOUsers e) {
      List<DOUser> users = e.getUserList();
      mAdapter.clear();
      for (DOUser user : users) {
        mAdapter.add(user.getName());
      }
      mReloadSRL.setRefreshing(false);

      setHasShownDataOnUI(true);
    }

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

    /**
     * Initialize an instance of {@link com.chopping.example.OtherActivity.ErrorPlayerFragment} to demonstrate
     * error-handling.
     *
     * @param cxt
     *     {@link android.content.Context}.
     * @param errLayoutId
     *     {@link int} id of a container where an {@link com.chopping.fragments.ErrorHandlerFragment} will be
     *     inflated.
     *
     * @return
     */
    public static ErrorPlayerFragment newInstance(Context cxt, @IdRes int errLayoutId) {
      Bundle args = new Bundle();
      args.putInt(EXTRAS_ERR_LAYOUT_CONTAINER, errLayoutId);
      return (ErrorPlayerFragment) ErrorPlayerFragment.instantiate(cxt, ErrorPlayerFragment.class.getName(),
          args);
    }

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

    @Override
    public void onViewCreated(View view, Bundle savedInstanceState) {
      super.onViewCreated(view, savedInstanceState);
      setErrorHandlerAvailable(true);
      mListView = (ListView) view.findViewById(R.id.users_lv);
      mReloadSRL = (SwipeRefreshLayout) view.findViewById(R.id.reload_srl);
      mReloadSRL.setColorSchemeResources(R.color.color1, R.color.color2, R.color.color3, R.color.color4);
      mReloadSRL.setOnRefreshListener(this);
      mListView.setAdapter(mAdapter = new ArrayAdapter<String>(
          getActivity(),
          android.R.layout.simple_expandable_list_item_1,
          new ArrayList<String>()));
    }

    @Override
    protected BasicPrefs getPrefs() {
      return Prefs.getInstance();
    }

    @Override
    public void onRefresh() {
      loadUser(null);
    }

    public void loadUser(View v) {
      new GsonRequestTask<DOUsers>(
          getActivity().getApplicationContext(),
          Request.Method.GET,
          Prefs.getInstance().getApiUsers(),
          DOUsers.class).execute();
    }

    @Override
    protected void onReload() {
      mReloadSRL.setRefreshing(true);
      loadUser(null);
    }

    @Override
    protected void onNetworkError() {
      mReloadSRL.setRefreshing(false);
    }

  }
}

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