android phone sleep mode

in Androidmanifest.xml:Android:launchmode= "singleinstance">1. Standard default boot mode, each time startactivity creates a new instance of activity.Applies to a large number of cases2. Singletop single Top, if the activity to be opened already exists at the top of the task stack, no new instance is created.Instead, call the Onnewintent () method.Application scenario: Browser bookmarks. Avoid top-of-the-stack activity being created repeatedly to sol

The Android phone will have a return key, whether it's an entity key or a virtual key. Android users are mainly using this return key to manipulate the page return mode, no more than iOS forcing the very high only one operation key. This is the most common way to return, there is also a more common, that is, the intern

There should be a lot of TextView used in Android development. Many times, TextView will have a line that is not completely intercepted or will be wrapped. Before my solution is clumsy, fixed dead textview line word length, the last one by ellipsis instead, this will have a lot of problems, the adaptation of Android phone is a headache problem. And the Chinese ch

I made an Android music player, to achieve a feature how to enter the file management, select music files, pop-up can be selected player in the music player I do this item. I watch multi-meter music, Huawei music software after installation, in the Android phone file Manager to select the MP3 file playback time can be ejected in which player format to open. In th

This program only for Linux terminal under the brush mobile phone img the file situation:FastBoot the usual flow is as follows: 1CDout/target/product/xxx///Enter the directory of the. img File2ADB reboot bootloader//Enter bootloader mode3FastBoot devices//detect if the phone enters FastBoot mode4FastBoot FlashBootBoot. img5FastBoot Flash System system.img6FastBoot reboot when the second step is completed, i

Objective To tell the truth, long time no blog, 2016 are half past, hurriedly picked up again. (Personal feeling, and content is irrelevant ...)The so-called RTL, as the name implies that is right to left, is an Arabic, Persian, and other cases from right-to-left reading way. This adaptation is required when developing an app that is intended for overseas users. Starting with the Android 4.2 support for native RTL

The previous time travel to solve a problem, is to get access points, as well as login mode. The problem with the mobile network differential setting in this process is to use the Ntrip protocol. This is a bit of a pit, is the server side is not according to the Protocol to the standard processing of these validation data. The first is a socket connection, the socket connection on the Send protocol. This agreement is ntrip to do.Ntrip Agreement: Click

. int type_text_variation_long_message Variation of type_class_text:entering The content of a LONG, possibly formalMessage such as the body of an e-mail. int type_text_variation_normal Default Variation of Type_class_text:plain old NORMAL TEXT. int Type_text_variation_password Variation of type_class_text:entering a PASSWORD. int Type_text_variation_person_name Variation of type_class_text:entering The NAME of a person. int type_text_variation_phonetic Variation of type_class_text

1. An application is typically composed of multiple activity.2. The task stack (the alias back stack) records the activity that the user has opened.3. When an application is turned on the system assigns him a task stack, and when all activity exits, the task stack is emptied.4. The ID of the task stack is an integer data type that is self-growing.5. In the Android operating system there will be multiple task stacks, one application a task stack.6. The

. query the status of the SIM card pin. checkPin() atteptsRemaining = ITelephony.stub.asInterface(ServiceManager. checkService("phone")).getIccPin1RetryCount(); mHeaderText.setText(displayMessage); Number of remaining pin queries: + epinc: 2, 3, 10, 10 struct: + epinc: 4. Pin Puk input error query:Card 1 Card 2: At + cpin = "" pukcode: send command: command = at + epin1 = ""5. Set the available and unavailable PI

Android custom View: Writing Custom listening events in observer mode and writing common vertical letter index ColumnsOverview: Currently, vertical index columns are still very popular, and are used by various common software such as Meituan and mobile phone address book.Demo Write a custom View and use the observer mode