android6.0 运行时,Android6.0运行时权限总结 · Hiten’s Blog.

8种机械键盘轴体对比

本人程序员，要买一个写代码的键盘，请问红轴和茶轴怎么选？

Beginning in Android 6.0 (API level 23), users grant permissions to apps while the app is running, not when they install the app. This approach streamlines the app install process, since the user does not need to grant permissions when they install or update the app. It also gives the user more control over the app’s functionality

上面是引用google官方文档的一段话，google将权限分为两类，一类是一般权限，一类是危险权限

一般权限有哪些，参加官方文档https://developer.android.com/guide/topics/security/normal-permissions.html

这些是一般的权限，看看那些是你认识的1

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34ACCESS_LOCATION_EXTRA_COMMANDS

ACCESS_NETWORK_STATE

ACCESS_NOTIFICATION_POLICY

ACCESS_WIFI_STATE

BLUETOOTH

BLUETOOTH_ADMIN

BROADCAST_STICKY

CHANGE_NETWORK_STATE

CHANGE_WIFI_MULTICAST_STATE

CHANGE_WIFI_STATE

DISABLE_KEYGUARD

EXPAND_STATUS_BAR

GET_PACKAGE_SIZE

INSTALL_SHORTCUT

INTERNET

KILL_BACKGROUND_PROCESSES

MODIFY_AUDIO_SETTINGS

NFC

READ_SYNC_SETTINGS

READ_SYNC_STATS

RECEIVE_BOOT_COMPLETED

REORDER_TASKS

REQUEST_IGNORE_BATTERY_OPTIMIZATIONS

REQUEST_INSTALL_PACKAGES

SET_ALARM

SET_TIME_ZONE

SET_WALLPAPER

SET_WALLPAPER_HINTS

TRANSMIT_IR

UNINSTALL_SHORTCUT

USE_FINGERPRINT

VIBRATE

WAKE_LOCK

WRITE_SYNC_SETTINGS1

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34Permission GroupPermissions

CALENDAR

READ_CALENDAR

WRITE_CALENDAR

CAMERA

CAMERA

CONTACTS

READ_CONTACTS

WRITE_CONTACTS

GET_ACCOUNTS

LOCATION

ACCESS_FINE_LOCATION

ACCESS_COARSE_LOCATION

MICROPHONE

RECORD_AUDIO

PHONE

READ_PHONE_STATE

CALL_PHONE

READ_CALL_LOG

WRITE_CALL_LOG

ADD_VOICEMAIL

USE_SIP

PROCESS_OUTGOING_CALLS

SENSORS

BODY_SENSORS

SMS

SEND_SMS

RECEIVE_SMS

READ_SMS

RECEIVE_WAP_PUSH

RECEIVE_MMS

STORAGE

READ_EXTERNAL_STORAGE

WRITE_EXTERNAL_STORAGE

从官网粘贴过来的表格数据格式一塌糊涂，我了个擦擦

险权限为毛要分组，googl的一句话：All dangerous Android system permissions belong to permission groups.好吧

分就分吧，注意，授权机制只对6.0以上的机器有效，授权机制如下：

如果一个APP申请一个在manifest文件中申明过的危险权限，如果这个权限没被授予，会谈Dialgo提示用户，用户点击确认方可授权

如果一个APP申请一个在manifest文件中申明过的危险权限，如果这个权限被授予过，就直接授予，不用再弹框提醒；

如果APP已经授予过READ_CONTACTS权限，那么申请WRITE_CONTACTS权限时，也会直接授予，就是在一个组里的，只要授予一个了，其他的都授。

相关API参考检查权限To check if you have a permission, call the ContextCompat.checkSelfPermission() method. For example, this snippet shows how to check if the activity has permission to write to the calendar:1

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3// Assume thisActivity is the current activity

int permissionCheck = ContextCompat.checkSelfPermission(thisActivity,

Manifest.permission.WRITE_CALENDAR);

方法主要返回值为PackageManager.PERMISSION_GRANTED或者PERMISSION_DENIED，如果返回PERMISSION_GRANTED表示已授权，如果返回PERMISSION_DENIED，表示没有被授权

解释为什么app需要授权

申请授权1

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25// Here, thisActivity is the current activity

if (ContextCompat.checkSelfPermission(thisActivity,

Manifest.permission.READ_CONTACTS)

!= PackageManager.PERMISSION_GRANTED) {

// 我们需要向用户解释为什么需要这个授权，主要是用户已经拒绝过一次了

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 {

//不需要解释，

//请求权限，请求了权限一个数组

ActivityCompat.requestPermissions(thisActivity,

new String[]{Manifest.permission.READ_CONTACTS},

MY_PERMISSIONS_REQUEST_READ_CONTACTS);

// MY_PERMISSIONS_REQUEST_READ_CONTACTS 是程序员自己定义的一个常量，在结果回调时判断，类似于startActivityForResult()方法中的requestCode

}

}

，其实主要有两个方法ActivityCompat.shouldShowRequestPermissionRationale和ActivityCompat.requestPermissions处理回调1

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20@Override

public void onRequestPermissionsResult(int requestCode,

String permissions[], int[] grantResults) {

//grantResults对应于请求权限的那个String[]

switch (requestCode) {

//对应刚才那个请求code

case MY_PERMISSIONS_REQUEST_READ_CONTACTS: {

// 如果权限取消，数组是空的

if (grantResults.length > 0

&& grantResults[0] == PackageManager.PERMISSION_GRANTED) {

//获取权限成功

} else {

//获取权限失败

}

return;

}

//其他请求

}

}

总结：6.0运行权限其实是很简单的API，在项目中也用了起来，下一步可以进行封装，再接再厉！