MainActivity.java

package com.gzeinnumer.mylibstesting.example;

import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.app.ActivityCompat;
import androidx.core.content.ContextCompat;

import android.Manifest;
import android.content.pm.PackageManager;
import android.os.Bundle;
import android.widget.Toast;

import com.gzeinnumer.gzndirectory.helper.FunctionGlobalDir;
import com.gzeinnumer.gznlogerror.utils.MyBaseUtilsLogError;
import com.gzeinnumer.mylibstesting.R;

import java.util.ArrayList;
import java.util.List;

public class MainActivity extends AppCompatActivity {

 String[] permissions = new String[]{
 Manifest.permission.READ_EXTERNAL_STORAGE,
 Manifest.permission.WRITE_EXTERNAL_STORAGE,
 Manifest.permission.CAMERA
 };

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

 if (checkPermissions()) {
 Toast.makeText(this, "Izin sudah diberikan", Toast.LENGTH_SHORT).show();
 onSuccessCheckPermitions();
 } else {
 Toast.makeText(this, "Berikan izin untuk membuat folder terlebih dahulu", Toast.LENGTH_SHORT).show();
 }
 }

 int MULTIPLE_PERMISSIONS = 1;

 private boolean checkPermissions() {
 int result;
 List<String> listPermissionsNeeded = new ArrayList<>();

 for (String p : permissions) {
 result = ContextCompat.checkSelfPermission(getApplicationContext(), p);
 if (result != PackageManager.PERMISSION_GRANTED) {
 listPermissionsNeeded.add(p);
 }
 }
 if (!listPermissionsNeeded.isEmpty()) {
 ActivityCompat.requestPermissions(this, listPermissionsNeeded.toArray(new String[0]), MULTIPLE_PERMISSIONS);
 return false;
 }
 return true;
 }

 @Override
 public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
 if (requestCode == MULTIPLE_PERMISSIONS) {
 if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {

 // tambahkan ini
 onSuccessCheckPermitions();

 } else {
 StringBuilder perStr = new StringBuilder();
 for (String per : permissions) {
 perStr.append("\n").append(per);
 }
 }
 }
 }

 private void onSuccessCheckPermitions() {
 // /storage/emulated/0/MyLibsTesting
 String appName = getResources().getString(R.string.app_name);
 // /storage/emulated/0/MyLibsTesting/logs
 String logLocation = "/logs";
 MyBaseUtilsLogError.initFileLogError(appName, logLocation);
 }

}