Penelusuran trending

Mirip dengan saran penelusuran permintaan, untuk mendapatkan tampilan UI penelusuran trending, Anda harus mendapatkan generatornya terlebih dahulu dengan langkah-langkah berikut:

  1. Biarkan class Activity target Anda mengimplementasikan antarmuka GetSearchSuggestionsViewGeneratorCallback atau menggunakan class dalam anonim.
  2. Ganti metode onSuccess(SearchSuggestionsViewGenerator) dan onError(String) antarmuka GetSearchSuggestionsViewGeneratorCallback.
  3. Buat instance class GetTrendingSearchesViewOptions dengan jumlah maksimum penelusuran trending yang ditentukan. (Opsional) Objek ini juga mengambil objek SearchSuggestionsViewOptions yang menyediakan beberapa opsi untuk menyesuaikan tampilan UI saran penelusuran.
  4. Panggil fungsi getTrendingSearchesView(GetTrendingSearchesViewOptions, GetSearchSuggestionsViewGeneratorCallback) SearchInAppsService.
  5. Setelah mendapatkan generator UI, Anda dapat mempertimbangkan untuk menyimpannya di ViewModel agar Anda tidak perlu meminta generator lagi saat aktivitas perlu dibuat ulang (seperti saat konfigurasi telah berubah saat aplikasi sedang berjalan).

Kode contoh

Java

package ...;

...
import androidx.appcompat.app.AppCompatActivity;
import com.google.android.libraries.searchinapps.GetSearchSuggestionsViewGeneratorCallback;
import com.google.android.libraries.searchinapps.GetTrendingSearchesViewOptions;
import com.google.android.libraries.searchinapps.SearchInAppsService;
import com.google.android.libraries.searchinapps.SearchSuggestionsViewGenerator;
...

public class MainActivity extends AppCompatActivity implements GetSearchSuggestionsViewGeneratorCallback {
  private SearchInAppsService service;

  @Override
  public void onSuccess(SearchSuggestionsViewGenerator generator) {
    ...
  }

  @Override
  public void onError(String errorMessage) {
    ...
  }

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    ...
    service = SearchInAppsService.create(this);
    // Uses the default SearchSuggestionsViewOptions.
    service.getTrendingSearchesView(
      new GetTrendingSearchesViewOptions().setMaxNumTrends(3), this);
    ...
  }

  @Override
  public void onDestroy() {
    service.shutDown();
    super.onDestroy();
  }
}

Jetpack Compose

package ...

...
import android.os.Bundle
import androidx.activity.compose.setContent
import androidx.appcompat.app.AppCompatActivity
import androidx.compose.runtime.Composable
import androidx.compose.runtime.DisposableEffect
import androidx.compose.runtime.mutableStateOf
import androidx.compose.ui.platform.LocalContext
import com.google.android.libraries.searchinapps.GetSearchSuggestionsViewGeneratorCallback
import com.google.android.libraries.searchinapps.GetSearchSuggestionsViewOptions
import com.google.android.libraries.searchinapps.SearchInAppsService
import com.google.android.libraries.searchinapps.SearchSuggestionsViewGenerator
...

class MainActivity : AppCompatActivity() {
  override fun onCreate(savedInstanceState: Bundle?) {
    super.onCreate(savedInstanceState)
    setContent {
      SearchSuggestionsUI()
    }
  }

  @Composable
  fun SearchSuggestionsUI() {
    ...
    var service by remember {
      mutableStateOf<SearchInAppsService?>(
        SearchInAppsService.create(LocalContext.current))
    }
    DisposableEffect(Unit) { onDispose { service?.shutDown() } }
    val callback =
            object : GetSearchSuggestionsViewGeneratorCallback {
              override fun onSuccess(generator: SearchSuggestionsViewGenerator) {
                ...
              }

              override fun onError(errorMessage: String) {
                ...
              }
            }
    // Uses the default SearchSuggestionsViewOptions.
    var options: GetTrendingSearchesViewOptions =
            GetTrendingSearchesViewOptions()
              .setMaxNumTrends(3)
    service?.getTrendingSearchesView(options, callback)
    ...
  }
}

Cara menambahkan tampilan UI penelusuran trending ke UI aplikasi Anda sama dengan fitur saran penelusuran.

Berikutnya: Menampilkan hasil penelusuran