如何在Marshmallow中的android应用程序运行时请求权限[重复]

Question

我已在清单文件中添加了所有权限。在Lollipop中，所有应用程序都会在安装应用程序期间询问权限，但当应用程序安装在Marshmallow中时，权限不是询问。

清单权限是

<uses-permission android:name="com.google.android.c2dm.permission.RECEIVE" />
<uses-permission android:name="android.permission.WAKE_LOCK" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.INTERNET" />
<!-- My Location -->
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
<uses-permission android:name="com.google.android.providers.gsf.permission.READ_GSERVICES" />
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.READ_PHONE_STATE" />
<uses-permission android:name="android.permission.READ_CONTACTS" />
<uses-permission android:name="android.permission.CALL_PHONE" />

Answer 1

首先，您需要对所有这些权限进行分类。在Android M版本上，它们主要分为正常权限（如清单文件中的ACCESS\u NETWORK\u STATE）和危险权限（如ACCESS\u FINE\u LOCATION）。对于普通的，您不必再请求它们，它们将在安装时自动授予，而无需用户提醒。您只需将它们添加到清单中即可！

但是，危险的权限处理起来比较复杂。在应用程序启动或运行到相应的功能时，您必须首先检查权限是否已被Context.checkSelfPersion（String权限）获取。调用Context.request权限（String[]权限，int Request estCode）通过系统对话框请求并获取结果onRequest estPermissionsResult（）。

好消息是，当应用程序启动时，您可以通过一个API请求一系列权限。此外，危险权限在多个组中进行管理。例如，您只需要请求ACCESS\u FINE\u LOCATION和获取ACCESS\u Rough\u LOCATION权限。

Answer 2

首先声明：

// Assume thisActivity is the current activity

    int permissionCheck = ContextCompat.checkSelfPermission(thisActivity,
            Manifest.permission.WRITE_CALENDAR);

请求所需的权限：

// Here, thisActivity is the current activity
if (ContextCompat.checkSelfPermission(thisActivity,
                Manifest.permission.READ_CONTACTS)
        != PackageManager.PERMISSION_GRANTED) {

    // Should we show an explanation?
    if (ActivityCompat.shouldShowRequestPermissionRationale(thisActivity,
            Manifest.permission.READ_CONTACTS)) {

        // Show an expanation to the user *asynchronously* -- don't block
        // this thread waiting for the user's response! After the user
        // sees the explanation, try again to request the permission.

    } else {

        // No explanation needed, we can request the permission.

        ActivityCompat.requestPermissions(thisActivity,
                new String[]{Manifest.permission.READ_CONTACTS},
                MY_PERMISSIONS_REQUEST_READ_CONTACTS);

        // MY_PERMISSIONS_REQUEST_READ_CONTACTS is an
        // app-defined int constant. The callback method gets the
        // result of the request.
    }
}

处理权限请求响应：

@Override
public void onRequestPermissionsResult(int requestCode,
        String permissions[], int[] grantResults) {
    switch (requestCode) {
        case MY_PERMISSIONS_REQUEST_READ_CONTACTS: {
            // 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.

            } else {

                // permission denied, boo! Disable the
                // functionality that depends on this permission.
            }
            return;
        }

        // other 'case' lines to check for other
        // permissions this app might request
    }
}

Answer 3

可能是想使用第三方库来简化权限过程，这些库可以帮助你。

许可Dispatcher

德克斯特

RX许可