[Android] Mobile defender Device Management rights lock screen

Device administrator Devices admin

Gets the devicepolicymanager object, via getsystemservice (device_policy_manager), device policy manager

Call the Devicepolicymanager object's locknow () method, lock, and report a security exception at this time

Create a new class MyAdmin inherit the system deviceadminreceiver, this is the broadcast receiver

Manifest file to register

Add <receiver> node, set name

Set permissions android:permission="Android.permission.BIND_DEVICE_ADMIN"

Add <meta-data> Meta data node, set name android:name="Android.app.device_admin"

Set resource android:resource="@xml/device_admin_sample"

Create a new XML folder in the res directory and create a new device_admin_sample.xml file

Add <intent-filter> nodes, add actions,Android.app.action.DEVICE_ADMIN_ENABLED

There will be an error at this

Open system settings, locate Device Manager, check device Administrator permissions, activate device

Turn on administrator privileges

Get Intent object,new Intent (devicepolicymanager.action_add_device_admin)

Call the Intent object PutExtra (), Pass the data, the component to be activated ,

Parameters:devicepolicymanager.extra_device_admin,componentname Component Name Object

Get componentname object,new out, Parameters: Context,Myadmin.class

Call the Intent object PutExtra (), Pass the explanatory data, persuade the user to open, parameters:

Devicepolicymanager.extra_add_explanation, Text

Call startactivity ()

Call the isadminactive () method of the Devicepolicymanager object to determine whether there are administrator permissions, parameters: ComponentName Object

Call the ResetPassword () method of the devicepolicymanager object , reset the password, parameter:password,0 , put Password set to "to cancel the password

Call the Wipedata () method of the devicepolicymanager Object , clear the data, parameters: Clear SD card Deviceplocymanager.wipe_exteranl_storge

If it's 0, it's factory reset.

Uninstalling software

It's not going to get unloaded on this outfit.

Call the removeactiveadmin () method of the Devicepolicymanager object , clear administrator permissions, parameters:componentname Component Name object, get componentname object,new out, Parameters: Context,Myadmin.class

Get Intent Object

Call the setaction () method of the Intent Object , set the action, parameter:Android.intent.action.VIEW

Call the Intent object's addcategory () Add type, parameter:Android.intent.category.DEFAULT

Call the Intent object's setData (), set the data,

Parameters:URI object, get uri object uri.parse ("Package:" +getpackagename ())

Call startactivity ()

Device_admin_sample.xml

<Device-adminxmlns:android= "Http://schemas.android.com/apk/res/android">  <uses-policies>    <Limit-password/>    <Watch-login/>    <Reset-password/>    <Force-lock/>    <Wipe-data/>    <Expire-password/>    <Encrypted-storage/>    <Disable-camera/>  </uses-policies></Device-admin>

 PackageCom.tsh.mylockscreen;Importandroid.app.Activity;ImportAndroid.app.admin.DevicePolicyManager;ImportAndroid.content.ComponentName;Importandroid.content.Intent;ImportAndroid.net.Uri;ImportAndroid.os.Bundle;ImportAndroid.view.View;ImportAndroid.widget.Toast; Public classMainactivityextendsActivity {PrivateDevicepolicymanager DPM;    ComponentName who; @Overrideprotected voidonCreate (Bundle savedinstancestate) {Super. OnCreate (savedinstancestate);        Setcontentview (R.layout.activity_main); DPM=(Devicepolicymanager) Getsystemservice (Device_policy_service); W.H.O.=NewComponentName ( This, MyAdmin.class); }    //One button lock screen     Public voidLockscreen (View v) {if(Dpm.isadminactive (WHO)) {Dpm.locknow (); Dpm.resetpassword ("123", 0); } Else{Intent Intent=NewIntent (devicepolicymanager.action_add_device_admin);            Intent.putextra (Devicepolicymanager.extra_device_admin, WHO); Intent.putextra (Devicepolicymanager.extra_add_explanation,"Turn it on.");            StartActivity (Intent); Toast.maketext ( This, "No Device Management rights", 1). Show (); }    }    //One-click Uninstall     Public voidUninstall (View v) {dpm.removeactiveadmin (WHO); Intent Intent=NewIntent ();        Intent.setaction (Intent.action_delete); Intent.addcategory ("Android.intent.category.DEFAULT"); Intent.setdata (Uri.parse ("Package:" +getpackagename ()));    StartActivity (Intent); }}

[Android] Mobile defender Device Management rights lock screen