android 权限检查

最新推荐文章于 2024-02-29 15:27:21 发布

tuhuolong

最新推荐文章于 2024-02-29 15:27:21 发布

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分类专栏： Android

本文链接：https://blog.youkuaiyun.com/tuhuolong/article/details/98744627

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本文深入探讨了Android系统的权限管理机制，从Android6.0引入的运行时权限到最新的权限检查流程。通过实例解析如何在应用中进行权限请求、检查及应对用户拒绝授权的策略。同时，介绍了如何在Manifest中配置权限以及处理不同Android版本间的兼容问题。

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    private void checkPermission(String[] grantResultPermissions, int[] grantResults, final AsyncCallback<Void, Error> callback) {
        boolean isAllGranted = true;
        for (String permission : permissions) {
            if (ActivityCompat.checkSelfPermission(this, permission) != PackageManager.PERMISSION_GRANTED) {
                isAllGranted = false;
                break;
            } else {
            }
        }

        if (isAllGranted) {
            if (callback != null) {
                callback.sendSuccessMessage(null);
            }
        } else {
            final List<String> remainingPermissions = new ArrayList<>();
            List<String> remainingNeedTipPermissions = new ArrayList<>();
            List<String> remainingForbidTipPermissions = new ArrayList<>();

            for (int i = 0, lenI = permissions.length; i < lenI; i++) {
                String permission = permissions[i];
                if (ActivityCompat.checkSelfPermission(this, permission) != PackageManager.PERMISSION_GRANTED) {

                    remainingPermissions.add(permission);

                    if (ActivityCompat.shouldShowRequestPermissionRationale(this, permission)) {
                        remainingNeedTipPermissions.add(permission);
                    } else if (grantResultPermissions != null && grantResults != null) {
                        for (int j = 0, lenJ = grantResultPermissions.length; j < lenJ; j++) {
                            if (permission.equalsIgnoreCase(grantResultPermissions[j])) {
                                if (grantResults[j] != PackageManager.PERMISSION_GRANTED) {
                                    remainingForbidTipPermissions.add(permission);
                                }
                                break;
                            }
                        }
                    }
                }
            }

            if (remainingNeedTipPermissions.size() > 0) {
                ConfirmDialogFragment dialog = new ConfirmDialogFragment();
                dialog.setTitle(getString(R.string.permission_title));
                String permissionDesc = "";

                for (String permission : remainingNeedTipPermissions) {
                    String currentPermission = "";
                    if (permission.equalsIgnoreCase(Manifest.permission.INTERNET)) {
                        currentPermission = getString(R.string.permission_internet);
                    } else if (permission.equalsIgnoreCase(Manifest.permission.READ_PHONE_STATE)) {
                        currentPermission = getString(R.string.permission_read_phone_state);
                    } else if (permission.equalsIgnoreCase(Manifest.permission.ACCESS_WIFI_STATE)) {
                        currentPermission = getString(R.string.permission_access_wifi_state);
                    } else if (permission.equalsIgnoreCase(Manifest.permission.ACCESS_NETWORK_STATE)) {
                        currentPermission = getString(R.string.permission_access_network_state);
                    } else if (permission.equalsIgnoreCase(Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
                        currentPermission = getString(R.string.permission_write_external_storage);
                    }

                    if (TextUtils.isEmpty(permissionDesc)) {
                        permissionDesc = currentPermission;
                    } else {
                        permissionDesc = permissionDesc + "、" + currentPermission;
                    }
                }
                String content = String.format(getString(R.string.permission_content), permissionDesc);
                dialog.setCancelable(false);
                dialog.setContent(content);
                dialog.setConfirmListener(null, new View.OnClickListener() {
                    @Override
                    public void onClick(View v) {
                        if (remainingPermissions.size() > 0) {
                            ActivityCompat.requestPermissions(WelcomeAvtivity.this, remainingPermissions.toArray(new String[remainingPermissions.size()]), PERMISSION_REQUEST_CODE);
                        }

                        if (callback != null) {
                            callback.sendFailureMessage(new Error(-1, "not all granted"));
                        }
                    }
                });
                dialog.show(getFragmentManager(), null);
            } else if (remainingForbidTipPermissions.size() > 0) {
                ConfirmDialogFragment dialog = new ConfirmDialogFragment();
                dialog.setTitle(getString(R.string.permission_title));
                String permissionDesc = "";

                for (String permission : remainingForbidTipPermissions) {
                    String currentPermission = "";
                    if (permission.equalsIgnoreCase(Manifest.permission.INTERNET)) {
                        currentPermission = getString(R.string.permission_internet);
                    } else if (permission.equalsIgnoreCase(Manifest.permission.READ_PHONE_STATE)) {
                        currentPermission = getString(R.string.permission_read_phone_state);
                    } else if (permission.equalsIgnoreCase(Manifest.permission.ACCESS_WIFI_STATE)) {
                        currentPermission = getString(R.string.permission_access_wifi_state);
                    } else if (permission.equalsIgnoreCase(Manifest.permission.ACCESS_NETWORK_STATE)) {
                        currentPermission = getString(R.string.permission_access_network_state);
                    } else if (permission.equalsIgnoreCase(Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
                        currentPermission = getString(R.string.permission_write_external_storage);
                    }

                    if (TextUtils.isEmpty(permissionDesc)) {
                        permissionDesc = currentPermission;
                    } else {
                        permissionDesc = permissionDesc + "、" + currentPermission;
                    }
                }
                String content = String.format(getString(R.string.permission_forbid_tip_content), permissionDesc);
                dialog.setCancelable(false);
                dialog.setContent(content);
                dialog.setConfirmListener(null, new View.OnClickListener() {
                    @Override
                    public void onClick(View v) {
                        android.os.Process.killProcess(android.os.Process.myPid());
                        System.exit(0);

                        if (callback != null) {
                            callback.sendFailureMessage(new Error(-1, "forbid tip"));
                        }
                    }
                });
                dialog.show(getFragmentManager(), null);
            } else {
                // 首次检查，发现有未开启权限
                if (remainingPermissions.size() > 0) {
                    ActivityCompat.requestPermissions(XXXXAvtivity.this, remainingPermissions.toArray(new String[remainingPermissions.size()]), PERMISSION_REQUEST_CODE);
                }

                if (callback != null) {
                    callback.sendFailureMessage(new Error(-1, "not all granted"));
                }
            }
        }
    }

checkPermission(null, null, new AsyncCallback<Void, Error>() {
            @Override
            public void onSuccess(Void result) {
                       doNext();
            }

            @Override
            public void onFailure(Error error) {

            }
        });

@Override
    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
        switch (requestCode) {
            case PERMISSION_REQUEST_CODE:
                checkPermission(permissions, grantResults, new AsyncCallback<Void, Error>() {
                    @Override
                    public void onSuccess(Void result) {
                        startVPNInitAndLogin();
                    }

                    @Override
                    public void onFailure(Error error) {

                    }
                });
                break;
            default:
                break;
        }
    }