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| public class MainActivity extends AppCompatActivity {
private RecyclerView mRecyclerView;
private RecyclerView.Adapter mAdapter;
GridLayoutManager llm;
Toolbar toolbar;
MyDataBase myDataBase;
Cursor c;
ImageView imageView;
ArrayList<Item> item_array;
int i=0;
Intent intent;
SharedPreferences sPref;
final String SAVED_TEXT = "saved_text";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
sPref = getPreferences(MODE_PRIVATE);
if(sPref.getInt(SAVED_TEXT, 0)!=1) {
SharedPreferences.Editor ed = sPref.edit();
ed.putInt(SAVED_TEXT, 1);
ed.commit();
intent = new Intent(MainActivity.this, ParserXML.class);
startActivity(intent);
}
imageView=(ImageView)findViewById(R.id.main_backdrop);
item_array = new ArrayList<Item>();
toolbar = (Toolbar)findViewById(R.id.main_toolbar);
setSupportActionBar(toolbar);
toolbar.setTitle("Основные товары");
myDataBase = new MyDataBase(this);
myDataBase.openDB();
int b=0;
c = myDataBase.readFromDB();
//cursorMassAdapter = new CursorMassAdapter(this, c);
//listView.setAdapter(cursorMassAdapter);
if(c==null) {
c.moveToLast();
int t = c.getInt(c.getColumnIndex("_id"));
c.moveToFirst();
for (int i = 0; i < t; i++) {
Item item = new Item();
item.setId(c.getString(c.getColumnIndex("_id")));
item.setName(c.getString(c.getColumnIndex("name")));
item.setData(c.getString(c.getColumnIndex("date")));
item.setSite(c.getString(c.getColumnIndex("sites")));
item_array.add(c.getPosition(), item);
c.moveToNext();
}
}
if(c==null) {
c.moveToFirst();
String site = c.getString(c.getColumnIndex("sites"));
Picasso.with(this)
.load(site)
.placeholder(R.drawable.image_cursor)
.error(R.drawable.image_cursor)
.into(imageView);
c.moveToNext();
}
//Для колонок
/*staggeredGridLayoutManager = new StaggeredGridLayoutManager(2, // кол-во колонок в сетке
LinearLayoutManager.VERTICAL);*/
mRecyclerView=(RecyclerView)findViewById(R.id.listView);
llm = new GridLayoutManager(this, 2);
mRecyclerView.setLayoutManager(llm);
// если мы уверены, что изменения в контенте не изменят размер layout-а RecyclerView
// передаем параметр true - это увеличивает производительность
mRecyclerView.setHasFixedSize(true);
// используем linear layout manager
/*mLayoutManager = new LinearLayoutManager(this);
mRecyclerView.setLayoutManager(mLayoutManager);*/
// создаем адаптер
mAdapter = new RVAdapter(item_array,this);
mRecyclerView.setAdapter(mAdapter);
//cursorAdapter = new MyCursorAdapter(this, c);
// resView.setAdapter(rv_adapter);
// listView.setAdapter(cursorAdapter);
}
@Override
protected void onStop() {
SharedPreferences.Editor ed = sPref.edit();
ed.putInt(SAVED_TEXT, 0);
ed.commit();
super.onStop();
}
}
public class ParserXML extends AppCompatActivity {
public static final String TAG = "tag";
private final static String urlAddress = "http://j634818.myjino.ru/index.php?fc=module&module=yamarket&controller=generate";
OkHttpClient client = new OkHttpClient();
Handler handler = new Handler();
MyDataBase myDB;
ArrayList<MassXML> item_array;
String datchic="";
MassXML massXML;
Intent intent;
int i=0;
Boolean bool=false;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.parse_xml);
myDB=new MyDataBase(this);
myDB.openDB();
item_array=new ArrayList<MassXML>();
new Thread(r).start();
}
Runnable r = new Runnable() {
@Override
public void run() {
try {
final String xml = get(urlAddress);
handler.post(new Runnable() {
@Override
public void run() {
parse(xml);
}
});
} catch (IOException e) {
Log.d(TAG, "IOException: " + e.toString());
}
}
};
private String get(String url) throws IOException {
Request request = new Request.Builder()
.url(url)
.build();
Response response = client.newCall(request).execute();
return response.body().string();
}
public void parse(String xml) {
try {
XmlPullParser xpp = prepareXpp(xml);
massXML = new MassXML();
while (xpp.getEventType() != XmlPullParser.END_DOCUMENT) {
switch (xpp.getEventType()) {
case XmlPullParser.START_TAG:
massXML = new MassXML();
if(xpp.getName().equals("name"))datchic="name";
if(xpp.getName().equals("currencyId"))datchic="currencyId";
if(xpp.getName().equals("categoryId"))datchic="categoryId";
if(xpp.getName().equals("price"))datchic="price";
if(xpp.getName().equals("picture"))datchic="picture";
if(xpp.getName().equals("description"))datchic="description";
break;
case XmlPullParser.TEXT:
if(datchic.equals("name"))massXML.setName(xpp.getText());
if(datchic.equals("currencyId"))massXML.setCurrencyId(xpp.getText());
if(datchic.equals("categoryId"))massXML.setCategoryId(xpp.getText());
if(datchic.equals("price"))massXML.setPrice(xpp.getText());
if(datchic.equals("picture"))massXML.setPicture(xpp.getText());
if(datchic.equals("description"))massXML.setDescription(xpp.getText());
case XmlPullParser.END_TAG:
if(datchic.equals("description")) {
item_array.add(i, massXML);
i++;
}
break;
default:
break;
}
xpp.next();
}
} catch (Exception e) {
Log.d(TAG, "Exception: " + e.toString());
}
if(item_array.size()!=0) {
for (int i = 0; i < item_array.size(); i++) {
myDB.addInDB(item_array.get(i).getName(), item_array.get(i).getPrice(), item_array.get(i).getPicture());
}
intent = new Intent(this,MainActivity.class);
startActivity(intent);
}
}
private XmlPullParser prepareXpp(String rss) throws XmlPullParserException {
XmlPullParserFactory factory = XmlPullParserFactory.newInstance();
factory.setNamespaceAware(true);
XmlPullParser xpp = factory.newPullParser();
xpp.setInput(new StringReader(rss));
return xpp;
}
} |
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