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Read and write files in Android RAM: Running memory, equivalent to computer memory ROM: Internal storage space, equivalent to a computer's hard disk Android phones must have SD card: external storage space, equivalent to the computer's mobile hard disk Not required Now the space that the phone has is all external storage, and then the phon ...

Toast is not unfamiliar to everyone. It is a translucent text box with prompt information that often pops up on the interface. It will fade away after a short time. Like Toast, Crouton is a third-party library written by foreigners. Like Toast, only one Crouton can appear in an interface at a time. But the animation effect is different from th ...

From: http://blog.csdn.net/qq_35064774/article/details/53065400 1. Preface In article 123, I introduced the basic usage of RxJava 2.0. This article will be introduced in Android The basic usage of the phrase ___________.   Attached are links to this series of tutorials.  Rx Java 2.0 tutorial from scratch (1) Foundation RxJav ...

Two Realizations of Side Slide Menu Drawer Layout is more flexible. Using Drawer Layout + Navigation View, this is Google's standardization of Material Design. Using Drawer Layout to realize sideslip First, we need a layout: <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/re ...

Unkillable service-Java Layer Implementation introduce To begin with, let's talk about how we can achieve this: 1. Improving process priority 2.java Layer Two-Process Daemon 3. Job Scheduler polling 4.native Layer Two-Process Guardian Today we will only write about the first three ways, and the fourth native layer, two-process ...

Text input on mobile phones is through the system's own soft keyboard, which can be Android's own, or a third-party soft keyboard such as Sogou input method. In most cases, the system's own soft keyboard has been enough, but there are always a few cases, the system's soft keyboard can not meet the requirements of developers, such as the followi ...

What is a framework? It must be for others. Since we want to use it for others, we need to consider what kind of framework others will use, not be scolded, and will always use. To achieve the above, our framework must be powerful, able to solve the pain points of each of us in the development process, stable, will not have a negative impact on ...

Xml parsing - Xml PullParser parsing example analysis XmlPullParser is an event-driven approach to parsing XML files. Because Android system has integrated this part, and the parsing part of XML file in Android framework is basically processed in this way, it is necessary for us to learn and understand the parsing process of XmlPull Parser a ...

We all know that in order to determine the size of the View, the system must first obtain MeasureSpec, and then determine the size of the View through MeasureSpec. MeasureSpec (32 is int) consists of two parts: SpecMode (high 2 bits): Measurement mode. SpecSize (low 30 bits): Specification size in a measurement mode.   SpecMode has three catego ...

Method of Hook APP without Root Core Foundation Framework for Hook Free from Root: VirtualApp of asLody asLody/VirtualApp: An open source implementation of MultiAccount.(Support 4.0 - 8.0). Interview with Roddy: The Way for Android Daniel to Grow up in Senior Two 0. Attempts at different Hook modes [On 8 May 2017:Using the form ...