114 lines
4.3 KiB
Java
114 lines
4.3 KiB
Java
/*
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* Copyright 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.pump.fragment;
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import android.Manifest;
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import android.content.Intent;
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import android.content.pm.PackageManager;
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import android.net.Uri;
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import android.os.Bundle;
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import android.provider.Settings;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import androidx.annotation.UiThread;
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import androidx.core.content.ContextCompat;
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import androidx.fragment.app.Fragment;
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import com.android.pump.R;
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import com.android.pump.activity.PumpActivity;
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import com.android.pump.util.IntentUtils;
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import java.util.Collection;
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import java.util.HashSet;
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@UiThread
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public class PermissionFragment extends Fragment {
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private static final int REQUEST_REQUIRED_PERMISSIONS = 42;
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private static final String[] REQUIRED_PERMISSIONS = {
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Manifest.permission.INTERNET,
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Manifest.permission.READ_EXTERNAL_STORAGE,
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Manifest.permission.WRITE_EXTERNAL_STORAGE
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};
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private boolean mShowRationale;
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public static @NonNull Fragment newInstance() {
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return new PermissionFragment();
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}
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@Override
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public @NonNull View onCreateView(@NonNull LayoutInflater inflater,
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@Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
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View view = inflater.inflate(R.layout.fragment_permission, container, false);
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view.findViewById(R.id.fragment_permission_button)
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.setOnClickListener((v) -> requestMissingRequiredPermissions());
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return view;
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}
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@Override
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public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions,
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@NonNull int[] grantResults) {
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if (requestCode == REQUEST_REQUIRED_PERMISSIONS) {
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boolean granted = true;
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boolean showRationale = false;
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for (int i = 0; i < grantResults.length; ++i) {
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if (grantResults[i] != PackageManager.PERMISSION_GRANTED) {
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granted = false;
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showRationale |= shouldShowRequestPermissionRationale(permissions[i]);
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}
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}
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if (granted) {
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// TODO We shouldn't reference PumpActivity from here
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((PumpActivity) requireActivity()).initialize();
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} else if (!showRationale && !mShowRationale) {
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// If we were not supposed to show the rationale before requestPermissions(...) and
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// we still shouldn't show the rationale it means the user previously selected
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// "don't ask again" in the permission request dialog. In this case we bring up the
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// system permission settings for this package.
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Intent intent = new Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS);
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intent.setData(Uri.fromParts("package", requireActivity().getPackageName(), null));
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IntentUtils.startExternalActivity(requireContext(), intent);
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}
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} else {
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super.onRequestPermissionsResult(requestCode, permissions, grantResults);
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}
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}
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private void requestMissingRequiredPermissions() {
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Collection<String> missing = new HashSet<>();
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mShowRationale = false;
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for (String permission : REQUIRED_PERMISSIONS) {
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if (ContextCompat.checkSelfPermission(requireContext(), permission)
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!= PackageManager.PERMISSION_GRANTED) {
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missing.add(permission);
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mShowRationale |= shouldShowRequestPermissionRationale(permission);
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}
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}
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if (!missing.isEmpty()) {
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requestPermissions(missing.toArray(new String[0]), REQUEST_REQUIRED_PERMISSIONS);
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}
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}
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}
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