申请权限SDK>=23

最新推荐文章于 2021-05-26 13:07:23 发布

原创最新推荐文章于 2021-05-26 13:07:23 发布 · 1k 阅读

0 ·

CC 4.0 BY-SA版权

本文详细介绍了在Android系统中如何检查和请求应用所需的各种权限，包括定位、相机、读写外部存储和读取电话状态等。通过代码示例，展示了如何使用Android的权限API来动态请求权限，并处理权限请求的结果。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

getPersimmions();

@TargetApi(23)
    private void getPersimmions() {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
            ArrayList<String> permissions = new ArrayList<String>();
            /***
             * 定位权限为必须权限，用户如果禁止，则每次进入都会申请
             */
            // 定位精确位置
            if (checkSelfPermission(android.Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
                permissions.add(android.Manifest.permission.ACCESS_FINE_LOCATION);
            }
            if (checkSelfPermission(android.Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
                permissions.add(android.Manifest.permission.ACCESS_COARSE_LOCATION);
            }
            if (checkSelfPermission(Manifest.permission.CAMERA) != PackageManager.PERMISSION_GRANTED) {
                permissions.add(Manifest.permission.CAMERA);
            }
            /*
             * 读写权限和电话状态权限非必要权限(建议授予)只会申请一次，用户同意或者禁止，只会弹一次
             */
            // 读写权限
            if (addPermission(permissions, android.Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
                permissionInfo += "Manifest.permission.WRITE_EXTERNAL_STORAGE Deny \n";
            }
            // 读取电话状态权限
            if (addPermission(permissions, Manifest.permission.READ_PHONE_STATE)) {
                permissionInfo += "Manifest.permission.READ_PHONE_STATE Deny \n";
            }

            if (permissions.size() > 0) {
                requestPermissions(permissions.toArray(new String[permissions.size()]), SDK_PERMISSION_REQUEST);
            } else {
//                    getAddrLocation();
            }
        } else {
//                getAddrLocation();
        }
    }

@TargetApi(23)
private boolean addPermission(ArrayList<String> permissionsList, String permission) {
    if (checkSelfPermission(permission) != PackageManager.PERMISSION_GRANTED) { // 如果应用没有获得对应权限,则添加到列表中,准备批量申请
        if (shouldShowRequestPermissionRationale(permission)) {
            return true;
        } else {
            permissionsList.add(permission);
            return false;
        }

    } else {
        return true;
    }
}

@TargetApi(23)
    @Override
    public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
        switch (requestCode) {
            case SDK_PERMISSION_REQUEST: {
                // If request is cancelled, the result arrays are empty.
                if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {

                    // permission was granted, yay! Do the
                    // contacts-related task you need to do.
//                    getAddrLocation();
                } else {

                    // permission denied, boo! Disable the
                    // functionality that depends on this permission.
//                    RxCenter.INSTANCE.removeCompositeSubscription(TaskIds.addrTaskId);

                }
                return;
            }
        }
    }