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@@ -0,0 +1,287 @@
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+Подключение retrofit
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+implementation 'com.squareup.retrofit2:retrofit:2.9.0'
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+implementation 'com.squareup.retrofit2:converter-gson:2.5.0'
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+
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+table model
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+прописать поля
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+сделать 2 конструктора
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+сделать конструктор для parcel (source.readInt())
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+сделать геттеры и сеттеры
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+сделать describeContents, writeToParcel(dest.writeInt(ID))
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+прописать creator: public static final Parceable.Creator<tableGamesModel> CREATOR = Parceable.Creator<tableGamesModel>(){}
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+там переопределить 2 метода createFromParcel (возвращает return new tableGamesModel(source)) и newArray(вместо 0 поставить size)
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+
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+adapter
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+private context mContext;
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+List<tableModel> tableList;
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+
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+Проставить поля генерейт
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+
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+public View getView(int position, View convertView, ViewGroup parent) {
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+ View v = View.inflate(mContext, R.layout.item_layout, null);
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+ TextView title = v.findViewById(R.id.titleTV);
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+ TextView cost = v.findViewById(R.id.costTV);
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+ TextView stock = v.findViewById(R.id.stockTV);
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+ TextView store = v.findViewById(R.id.storeTV);
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+ tableGamesModel games = gamesList.get(position);
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+ title.setText(games.getTitle());
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+ cost.setText(String.valueOf(games.getCost()));
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+ stock.setText(String.valueOf(games.getStockAvailability()));
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+ store.setText(String.valueOf(games.getAvailabilityInStore()));
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+ return v;
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+ }
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+
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+retrofit
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+создаем интерфейс, делаем импорты
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+import retrofit2.Call;
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+import retrofit2.http.Body;
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+import retrofit2.http.DELETE;
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+import retrofit2.http.GET;
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+import retrofit2.http.POST;
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+import retrofit2.http.PUT;
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+import retrofit2.http.Path;
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+import retrofit2.http.Query;
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+Пример написания методов:
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+ @GET("apps/{id}")
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+ Call<DataModal> getData(@Query("id") int id);
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+
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+ @POST("items")
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+ Call<DataModal> createPost(@Body DataModal dataModal);
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+
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+ @PUT("apps/{id}")
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+ Call<DataModal> updateData(@Path("id") int id, @Body DataModal dataModal);
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+
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+ @DELETE("apps/{id}")
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+ Call<Void> deleteData(@Path("id") int id);
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+
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+для вывода в листвью
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+
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+ private adapterView adapter;
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+ private List<tableGamesModel> gamesList = new ArrayList<>();
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+
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+ ListView lvApps = findViewById(R.id.gamesLV);
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+ adapter = new adapterView(main_Activity.this, gamesList);
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+ lvApps.setAdapter(adapter);
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+
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+ private class fillList extends AsyncTask<Void, Void, String>
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+{
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+ @Override
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+ protected String doInBackground(Void... voids)
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+ {
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+ try {
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+ URL url =new URL("https://ngknn.ru:5001/NGKNN/МамшеваЮС/Экзамен/api/TableGames/sortByTableGames?typeOfSort={typeOfSort}&nameProduct={nameProduct}");
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+ HttpURLConnection connection =(HttpURLConnection)url.openConnection();
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+
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+ BufferedReader reader =new BufferedReader(new InputStreamReader(connection.getInputStream()));
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+
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+ StringBuffer result = new StringBuffer();
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+ String line = "";
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+
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+ while((line = reader.readLine()) != null)
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+ {
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+ result.append(line);
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+ }
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+ return result.toString();
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+ }
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+ catch (Exception e) {
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+ return null;
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+ }
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+ }
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+
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+ @Override
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+ protected void onPostExecute(String s)
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+ {
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+ super.onPostExecute(s);
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+ try {
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+ gamesList.clear();
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+ JSONArray temp =new JSONArray();
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+ for (int i=0;i <temp.length();i++)
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+ {
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+ JSONObject gameJS = temp.getJSONObject(i);
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+ tableGamesModel tempArr = new tableGamesModel(
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+ gameJS.getInt("ID"),
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+ gameJS.getString("Title"),
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+ gameJS.getInt("Cost"),
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+ gameJS.getInt("StockAvailability"),
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+ gameJS.getInt("AvailabilityInStore"),
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+ gameJS.getString("Description"),
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+ gameJS.getString("Reviews"),
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+ gameJS.getString("Image")
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+ );
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+ gamesList.add(tempArr);
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+ adapter.notifyDataSetInvalidated();
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+ }
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+ }
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+ catch (Exception e){
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+
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+ }
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+ }
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+}
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+
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+
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+private Bitmap getUserImage(String encodedImg)
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+ {
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+
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+ if(encodedImg!=null&& !encodedImg.equals("null")) {
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+ byte[] bytes = Base64.decode(encodedImg, Base64.DEFAULT);
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+ return BitmapFactory.decodeByteArray(bytes, 0, bytes.length);
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+ }
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+ else
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+ {
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+ return null;
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+ }
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+ }
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+
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+Retrofit retrofit = new Retrofit.Builder()
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+ .baseUrl("https://ngknn.ru:5001/NGKNN/МорозовАВ/api/")
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+ .addConverterFactory(GsonConverterFactory.create())
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+ .build();
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+
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+ RetrofitAPI retrofitAPI = retrofit.create(RetrofitAPI.class);
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+ Call<DataModal> call = retrofitAPI.getData(MainActivity.index);
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+ call.enqueue(new Callback<DataModal>() {
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+ @Override
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+ public void onResponse(Call<DataModal> call, Response<DataModal> response) {
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+ id = response.body().getApp_id();
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+ appName.setText(response.body().getAppName());
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+ appAgeLimit.setText(Integer.valueOf(response.body().getAppAgeLimit()).toString());
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+ appPrice.setText(Double.valueOf(response.body().getAppPrice()).toString());
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+ encodedImage = response.body().getAppImage();
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+ if(response.body().getAppImage() == null)
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+ {
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+ image.setImageResource(R.drawable.empty);
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+ }
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+ else
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+ {
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+ image.setImageBitmap(getImgBitmap(response.body().getAppImage()));
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+ }
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+ }
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+
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+ @Override
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+ public void onFailure(Call<DataModal> call, Throwable t) {
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+
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+ }
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+ });
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+
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+
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+image = findViewById(R.id.appImageIV);
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+ image.setOnClickListener(v -> {
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+ Intent intent = new Intent(Intent.ACTION_PICK, MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
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+ intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
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+ pickImg.launch(intent); });
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+
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+private final ActivityResultLauncher<Intent> pickImg = registerForActivityResult(new ActivityResultContracts.StartActivityForResult(), result -> {
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+ if (result.getResultCode() == RESULT_OK) {
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+ if (result.getData() != null) {
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+ Uri uri = result.getData().getData();
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+ try {
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+ InputStream is = getContentResolver().openInputStream(uri);
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+ Bitmap bitmap = BitmapFactory.decodeStream(is);
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+ image.setImageBitmap(bitmap);
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+ encodedImage = encodeImage(bitmap);
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+ } catch (Exception e) {
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+
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+ }
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+ }
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+ }
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+ });
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+
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+ private String encodeImage(Bitmap bitmap) {
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+ int prevW = 150;
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+ int prevH = bitmap.getHeight() * prevW / bitmap.getWidth();
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+ Bitmap b = Bitmap.createScaledBitmap(bitmap, prevW, prevH, false);
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+ ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
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+ b.compress(Bitmap.CompressFormat.JPEG, 50, byteArrayOutputStream);
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+ byte[] bytes = byteArrayOutputStream.toByteArray();
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+ if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
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+ return Base64.getEncoder().encodeToString(bytes);
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+ }
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+ return "";
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+ }
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+
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+ private Bitmap getImgBitmap(String encodedImg) {
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+ if (encodedImg != null) {
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+ byte[] bytes = new byte[0];
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+ if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.O) {
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+ bytes = Base64.getDecoder().decode(encodedImg);
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+ }
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+ return BitmapFactory.decodeByteArray(bytes, 0, bytes.length);
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+ }
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+ return BitmapFactory.decodeResource(editApp.this.getResources(),
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+ R.drawable.empty);
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+ }
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+
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+
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+
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+
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+private void deleteRecord(int index)
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+ {
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+ saveChangesBtn.setEnabled(false);
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+ deleteBtn.setEnabled(false);
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+ deletePhoto.setEnabled(false);
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+
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+ Retrofit retrofit = new Retrofit.Builder()
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+ .baseUrl("https://ngknn.ru:5001/NGKNN/МорозовАВ/api/")
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+ .addConverterFactory(GsonConverterFactory.create())
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+ .build();
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+ RetrofitAPI retrofitAPI = retrofit.create(RetrofitAPI.class);
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+ Call call = retrofitAPI.deleteData(index);
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+ call.enqueue(new Callback<DataModal>() {
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+ @Override
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+ public void onResponse(Call<DataModal> call, Response<DataModal> response) {
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+ if(!response.isSuccessful())
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+ {
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+ Toast.makeText(editApp.this, "При удание записи возникла ошибка", Toast.LENGTH_SHORT).show();
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+ return;
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+ }
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+ saveChangesBtn.setEnabled(false);
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+ deleteBtn.setEnabled(false);
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+ deletePhoto.setEnabled(false);
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+
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+ Toast.makeText(editApp.this, "Удаление прошло успешно", Toast.LENGTH_SHORT).show();
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+ startActivity(new Intent(editApp.this, MainActivity.class));
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+ finish();
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+ }
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+ @Override
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+ public void onFailure(Call<DataModal> call, Throwable t) {
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+
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+ }
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+ });
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+ }
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+
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+
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+private void putChanges(int id, String appName, double appPrice, int appAgeLimit, String picture) {
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+
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+ saveChangesBtn.setEnabled(false);
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+ deleteBtn.setEnabled(false);
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+ deletePhoto.setEnabled(false);
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+
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+ Retrofit retrofit = new Retrofit.Builder()
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+ .baseUrl("https://ngknn.ru:5001/ngknn/морозовав/api/")
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+ .addConverterFactory(GsonConverterFactory.create())
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+ .build();
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+ RetrofitAPI retrofitAPI = retrofit.create(RetrofitAPI.class);
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+ DataModal modal = new DataModal(id, appName, appPrice, appAgeLimit, picture);
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+ Call<DataModal> call = retrofitAPI.updateData(MainActivity.index, modal);
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+ call.enqueue(new Callback<DataModal>() {
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+ @Override
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+ public void onResponse(Call<DataModal> call, Response<DataModal> response) {
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+ if(response.isSuccessful())
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+ {
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+ saveChangesBtn.setEnabled(true);
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+ deleteBtn.setEnabled(true);
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+ deletePhoto.setEnabled(true);
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+
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+ Toast.makeText(editApp.this, "Изменение прошло успешно", Toast.LENGTH_SHORT).show();
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+ startActivity(new Intent(editApp.this, MainActivity.class));
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+ finish();
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+ return;
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+ }
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+ Toast.makeText(editApp.this, "Произошла ошибка", Toast.LENGTH_SHORT).show();
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+ }
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+
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+ @Override
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+ public void onFailure(Call<DataModal> call, Throwable t) {
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+ }
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+ });
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+ }
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