性能等级

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// Implementation of Jetpack Core library.
implementation("androidx.core:core-ktx:1.12.0")
// Enable APIs to query for device-reported performance class.
implementation("androidx.core:core-performance:1.0.0")
// Enable APIs to query Google Play services for performance class.
implementation("androidx.core:core-performance-play-services:1.0.0")

// Implementation of Jetpack Core library.
implementation 'androidx.core:core-ktx:1.12.0'
// Enable APIs to query for device-reported performance class.
implementation 'androidx.core:core-performance:1.0.0'
// Enable APIs to query Google Play services for performance class.
implementation 'androidx.core:core-performance-play-services:1.0.0'

import androidx.core.performance.play.services.PlayServicesDevicePerformance

class MyApplication : Application() {
  lateinit var devicePerformance: DevicePerformance

  override fun onCreate() {
    // Use a class derived from the DevicePerformance interface
    devicePerformance = PlayServicesDevicePerformance(applicationContext)
  }
}

import androidx.core.performance.play.services.PlayServicesDevicePerformance;

class MyApplication extends Application {
  DevicePerformance devicePerformance;

  @Override
  public void onCreate() {
    // Use a class derived from the DevicePerformance interface
    devicePerformance = new PlayServicesDevicePerformance(applicationContext);
  }
}

class MyActivity : Activity() {
  private lateinit var devicePerformance: DevicePerformance
  override fun onCreate(savedInstanceState: Bundle?) {
    super.onCreate(savedInstanceState)
    // Note: Good app architecture is to use a dependency framework. See
    // https://developer.android.com/training/dependency-injection for more
    // information.
    devicePerformance = (application as MyApplication).devicePerformance
  }

  override fun onResume() {
    super.onResume()
    when {
      devicePerformance.mediaPerformanceClass >= Build.VERSION_CODES.VANILLA_ICE_CREAM -> {
        // MPC level 35 and later.
        // Provide the most premium experience for the highest performing devices.
      }
      devicePerformance.mediaPerformanceClass == Build.VERSION_CODES.UPSIDE_DOWN_CAKE -> {
        // MPC level 34.
        // Provide a high quality experience.
      }
      else -> {
        // MPC level 33, 31, 30, or undefined.
        // Remove extras to keep experience functional.
      }
    }
  }
}

class MyActivity extends Activity {
  private DevicePerformance devicePerformance;
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    // Note: Good app architecture is to use a dependency framework. See
    // https://developer.android.com/training/dependency-injection for more
    // information.
    devicePerformance = ((MyApplication) getApplication()).devicePerformance;
  }

  @Override
  public void onResume() {
    super.onResume();
    if (devicePerformance.getMediaPerformanceClass() >= Build.VERSION_CODES.VANILLA_ICE_CREAM) {
      // MPC level 35 and later.
      // Provide the most premium experience for the highest performing devices.
    } else if (devicePerformance.getMediaPerformanceClass() == Build.VERSION_CODES.UPSIDE_DOWN_CAKE) {
      // MPC level 34.
      // Provide a high quality experience.
    } else {
      // MPC level 33, 31, 30, or undefined.
      // Remove extras to keep experience functional.
    }
  }
}