Android Open Source - ExampleChopping Main Activity

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Back to project page ExampleChopping.

License

The source code is released under:

Apache License

Java Source Code

package com.chopping.example;
// ww w .  j a va2 s .c o  m
import java.util.ArrayList;
import java.util.List;

import android.content.Context;
import android.net.wifi.WifiManager;
import android.os.Bundle;
import android.support.v4.app.ActivityCompat;
import android.support.v4.widget.SwipeRefreshLayout;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.ListView;
import android.widget.TextView;

import com.android.volley.Request;
import com.chopping.activities.BaseActivity;
import com.chopping.application.BasicPrefs;
import com.chopping.example.bus.WifiEvent;
import com.chopping.example.data.DOUser;
import com.chopping.example.data.DOUsers;
import com.chopping.net.GsonRequestTask;

public class MainActivity extends BaseActivity implements
    android.support.v4.widget.SwipeRefreshLayout.OnRefreshListener {
  private static final int LAYOUT = R.layout.activity_main;
  private ListView mListView;
  private Button mLoadUsersV;
  private ArrayAdapter<String> mAdapter;
  private SwipeRefreshLayout mReloadSRL;
  private WifiManager mWifiManager;
  private MenuItem mWifiMenuItem;


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


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

    setHasShownDataOnUI(true);
  }


  public void onEvent(WifiEvent _e) {
    ActivityCompat.invalidateOptionsMenu(this);
    mWifiMenuItem.setEnabled(true);
    mWifiMenuItem.setTitle(
        _e.isEnable() ? R.string.menu_wifi_is_on : R.string.menu_wifi_is_off);
  }

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

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

  public void openOther(View v) {
    OtherActivity.showInstance(this);
  }

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(LAYOUT);
    mWifiManager = (WifiManager) getSystemService(
        Context.WIFI_SERVICE);
    mListView = (ListView) findViewById(R.id.users_lv);
    mLoadUsersV = (Button) findViewById(R.id.load_users_btn);
    mReloadSRL = (SwipeRefreshLayout) 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>(
        this,
        android.R.layout.simple_expandable_list_item_1,
        new ArrayList<String>()));
  }


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

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    getMenuInflater().inflate(R.menu.main, menu);
    mWifiMenuItem = menu.findItem(R.id.action_wifi_settings);
    return true;
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
      case R.id.action_wifi_settings:
        boolean isEnable = mWifiManager.isWifiEnabled();
        mWifiManager.setWifiEnabled(!isEnable);
        item.setTitle(
            isEnable ? R.string.menu_wifi_is_off : R.string.menu_wifi_is_on);
        item.setEnabled(false);
        break;
    }
    return super.onOptionsItemSelected(item);
  }

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

  @Override
  protected void onAppConfigLoaded() {
    StringBuilder stringBuilder = new StringBuilder();
    TextView textView = (TextView) findViewById(R.id.output_tv);
    String newLine = System.getProperty("line.separator");
    Prefs prefs = Prefs.getInstance();
    stringBuilder.
        append("property: ").append(prefs.getOneProperty()).append(newLine).
        append("float: ").append(prefs.getFloatValue()).append(newLine).
        append("int: ").append(prefs.getIntValue()).append(newLine).
        append("long: ").append(prefs.getLongValue()).append(newLine).
        append("bool: ").append(prefs.getBooleanValue()).append(newLine);
    textView.setText(stringBuilder.toString());
    mLoadUsersV.setEnabled(true);
  }

  @Override
  protected void onAppConfigIgnored() {
    onAppConfigLoaded();
  }

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

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

Java Source Code List

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