小编Vla*_*syn的帖子

我正在尝试使用ActivityResultLauncherwith请求权限ActivityResultsContract.RequestMultiplePermissions。

import android.content.pm.PackageManager;
import android.os.Bundle;
import android.util.Log;
import android.Manifest;

import androidx.activity.result.ActivityResultLauncher;
import.androidx.activity.result.contract.ActivityResultContracts;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.app.ActivityCompat;

public class MainActivity extends AppCompatActivity {

    final String[] PERMISSIONS = {
            Manifest.permission.FOREGROUND_SERVICE,
            Manifest.permission.ACCESS_FINE_LOCATION,
            Manifest.permission.ACCESS_BACKGROUND_LOCATION,
            Manifest.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS
    };

    private ActivityResultContracts.RequestMultiplePermissions multiplePermissionsContract;
    private ActivityResultLauncher<String[]> multiplePermissionLauncher;    

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        multiplePermissionsContract = new ActivityResultContracts.RequestMultiplePermissions();
        multiplePermissionLauncher = registerForActivityResult(multiplePermissionsContract, isGranted -> {
            Log.d("PERMISSIONS", "Launcher result: " + isGranted.toString());
            if (isGranted.containsValue(false)) {
                Log.d("PERMISSIONS", "At least one of the permissions was not granted, launching …