parental lock app for android

Iactivitcontorller or iprocessobserver instead of the iactivitywatcher, this approach only listens to its own activity switch, System permissions are required to listen to other applications.3. Android API and above:Listen for changes in application switching by listening for changes in Bg_non_interactive/tasks file content.Why this way can be monitored successfullyThis is, of course, a bug left in the design of the system, when the

lock screen function./frameworks/base/packages/keyguard/src/com/android /keyguard/keyguardviewmediator.javaprivate Boolean mexternallyenabled = True to change the mexternallyenabled to false. But this just changed the boot default value, the user can still use Disablekeyguard/enablekeyguard to start. To ensure that the 3rd app cannot be modified,/frameworks/base

Objective:Activity is one of the four components of Android, and it is primarily responsible for managing the user interface of Android applications.This paper mainly analyzes the activation process of activity from the framework angle. Activity initiation process According to different circumstances will have some differences, such as lock screen and non-

Android API Guides --- App Widget HostApplication Widget hostAndroid available on most Android devices ?? The oid home screen allows users to embed application gadgets for quick access to content. If you are building a home replacement or similar application, you can also allow users to embed application components by implementing AppWidgetHost. This is not somet

Android 4.4 power-saving technology details: How to Develop a power-saving app, android4.4 With the launch of Android 4.4, Google said it had improved its power-saving technology! Let's take a look at the changes in the power-saving technology of Android 4.4! Test conclusion: 1) screen-off standby power-saving: A) Any

If your target build version is Honeycomb 3.2 (API level) or higher you must put the SCREENSIZE flag too, as in: Activity android:configchanges = "Orientation|screensize|keyboardhidden" android:name= "YOUR activity name">activity> Because even with the ' orientation ' flag you app would be killed and recreated again with every orientation R app is the active one, either being visible on screen or hi

移动测试, Android测试 ,APP测试 Android article 1. Performance testing The Android performance test is divided into two categories:1, a class of ROM version (System) performance testing2. A class of performance testing for app app

In the onreceive that receives the message broadcast, jump to the interface you want to display. Such as:Intent Intent = new Intent (arg0,mainactivity.class); Intent.addflags (intent.flag_activity_new_task); Arg0.startactivity (Intent);In the OnCreate () method of the activity:Super.oncreate (savedinstancestate); GetWindow (). Addflags (windowmanager.layoutparams.flag_show_when_locked| WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON); Setcontentview (R.layout.activity_main);set the Theme p

The launch of Android 4.4 , power-saving technology, Google also said that the improvement! Let's get to know what's going on with Android 4.4 Power-saving technology !Test conclusion:1) The most power-saving of the off-screen standby:A) any app including background service should minimize the number of wake-up CPU, such as the long connection of IM business hear

Activity popped up in the Android lock screen status In onReceive, which receives the message broadcast, jump to the interface you want to display. For example: Intent intent = new Intent(arg0,MainActivity.class);intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); arg0.startActivity(intent); In the onCreate () method of the activity: super.onCreate(savedInstanceState);getWindow().addFlags(WindowManager

successfully adopted by a number of major companies, some of which share their experience: Pinterest has successfully introduced Kotlin into their applications, with 150 million people per month. Basecamp's Android app is 100% Kotlin code, they report huge differences in programmer happiness, as well as a huge improvement in quality and speed of work. Keepsafe's

consumption are determined.2-2 splash screen Status-applied in the backgroundEnvironment: When the phone screen is on, the app is running in the background (after using the app under test), you can try to play other apps with your phone or stay in an app Use the display CPU condition + Traceview to locate Turn on the display CPU switch, in the proc

Use the LogPhoneUtil tool class to save APP running logs on Android phones, and android log tool class Recently, the company's tests have always proposed such a bug. Of course, they also blame their code for poor writing. Therefore, the test will always crash the app, and there is no log printing when they crash, when

Use Wakelock to keep your Android app awake in the background-Ryan's zone-blog channel-csdn.net In the use of some products GCA, QQ, and so on, if there is a new message, the phone screen even in the lock screen will be lit and prompt sound, then the user will know that there is a new message coming. However, in general, after the mobile phone

Power Management Powermanagerpowermanager is a power management class for Android that manages power operations such as sleep, wake, restart, and adjust screen brightness.The PowerManager object is obtained from the system service Power_service, and its main methods are as follows:Gotosleep: Sleep, that is, lock screen.WakeUp: Wake up, that is, unlock.Reboot: Restart.There are several other hidden methods:G

Tent.getparcelableextra (intent.extra_key_event); if (Keyevent.keycode_media_play = = Event.getkeycode ()) {//Handle Key Press. } } }}Because there may be multiple programs that are also listening to which control buttons, it is necessary to deliberately control which receiver in the code is currently responding, that is, the need for timely registration monitoring and cancellation of listening, as follows:AudioManager am = mContext.getSystemService(Context.AUD

Android APP cannot receive push messages when switched to the background. androidapp 1. After the Android process is killed, the active mechanism of message reception in the background is protected. There is no good mechanism for the moment to stay active under any circumstances Android native systems can use the home

AES key in the malware , but this requires some technical capability. One months ago, another Android malware reported by researchers could disable a user's phone and ask the user to pay a ransom for it. 8 months ago, a malware called Cryptolocker could permanently lock a PC 's hard drive unless the victim paid 300 USD fee. The app is not listed on the Google

②, set the phone to never lock the screen, or install the Auto Unlock app (script execution to tune the app) ③, Scheduled Tasks for Windows Execute Monkey_findyou.bat 3. Operation Record 1), double-click Execute Monkey_findyou.bat 2), script execution information 3), Ou

Recently, I made a demo. The function is to lock my application. During access, I need to enter a password, and I need to re-enter the password every time I lock the screen. Main Idea: Implementation: 1. Implementation of global variables 1.1 It is OK to use a Global static variable. 1.2 but on Android, we can use a more "elegant" implementation: using