how to view pdf files on android

for the length is not the same", "This is the test data bar" }; Vmview.color (Getresources (). GetColor (Android). R.color.black)). Textsize (sp2px (This)). Datas (Datas). commit (); Vmview.startscroll (); Vmview.setonclicklistener (New View.onclicklistener () {@Override public void OnClick (View v) {Toast.maketext (Mai Nactivity.this, "The current index is:" + vmview.getcurrentposition (), Toast.

Use so files in Android:Do a PDF reading function, find an open source library, Mupdf. Download is compiled on-line so library, import into their own project time has been error Java.lang.UnsatisfiedLinkError:Couldn ' t load netplayerlibq:findlibrary returned NULL, The method in the so file could not be found. Looking for an afternoon, finally know the reason.The naming conventions for methods in JNI are1)

me explain it to you!In fact, so many models have such a core idea, after understanding the idea of these patterns are just different realization of the same idea.1. Physical separationThe code that handles business logic, UI layout, and data storage is physically separated, and placed in separate files.2. External callsInteractions between layers must be implemented through an open method of the call layer, such as the logical layer does not invoke

course, if we want to save time, we can also inherit from a subclass of the implemented view. For example, the button class allows our view to interact with the Android Developers tool, our custom View class must provide Attributeset is a parameter constructor. Through this constructor, our

full custom or inherited view derived subclasses You must provide a constructor that gets the context and the AttributeSet object as a property, gets the property, and when view is created from the XML layout, All attributes in the XML tag are read from the resource bundle and passed as a attributeset to the view's constructor. View derived direct or indirect

Android custom View must inherit the View and override constructors, onDraw, (onMeasure) and other functions.If a custom View requires custom attributes, you must create attrs. xml under values. Define your attributes. Add xmlns: prefix = "http://schemas.android.com/apk/res/your custom

Typically, if we want to use the SIM card Dial-up feature, we need to do a simple configuration in the setup, steps are as follows： Settings-"Wireless and network-" mobile network-(enabled data/data roaming/access point name/2G network/network operator only) We have to select the "Enabled Data" option, and then configure the access point name can be used after the Internet, of course, some settings have been based on your SIM card type default set up the access point, this time you only select "

Android custom view implementation is simple Inherit view, override constructors, ondraw, (onmeasure) and other functions. If a custom view requires custom attributes, you must create attrs. xml under values. Define your attributes. Add xmlns: prefix = "http://schemas.android.com/apk/res/your custom

; android:layout_width="fill_parent"android:layout_height="wrap_content" android:layout_centerHorizontal="true" android:text="Pressthecenterkeytolocateyourself"/> The features of the above content seem very obvious. This special file defines a related layout, which means that the relationship between an element and another element or the relationship between their parent element is described. For a view, there are some layout methods. However,

You need to operate doc, xls, PPT, docx... 07 files, and PDF files on Android. After searching, there are still a lot of open-source projects, which are randomly listed as follows: Two relatively large, 1. Apache poi After using this operation, I don't know why the file cannot be opened. In addition, the 3.6 API is rea

In the previous article (Android custom View and Its Use examples in layout files), we introduced that when the control provided by the system does not meet the needs of developers, demonstrate how to customize the View. This article will be a continuation of the previous article. First, we will introduce how

Customize the Android System (configuration and image files of the relevant system), for reference: driver_all_in_one_v1.0--mt6735_6753.pdf documentation, specifically the download section.The corresponding software is: Smart Phone Flash Tool, usually in the download section of the menu bar to select the operation.Download-agent (Download agent): Select \ Upgrade

How to obtain the android SDK source code and view it in eclipse The search results obtained by Google for "android eclipse source code" are not suitable, because Google's eclipse Android development plug-in has been updated to ADT 8.0.1. The corresponding lib Method for associating JAVA Source Code has also changed. F

Android Animation 2: View Animation As stated in the previous blog "Android Animation: Drawable Animation", android Animation is mainly divided into three parts. The previous blog has explained the usage of Drawable Animation, that is, displaying images frame by frame, it is often used to dynamically display a progress

: Simply speaking, the event distribution mechanism is the Android system for the event delivery process rules, an event delivery rule, events will be distributed in accordance with this rule.Before we look at the event distribution mechanism, let's first identify the steps of the analysis, piecemeal, Conquer: Figure out the analysis target: motionevent. Learn three methods: Dispatchtouchevent (Motionevent event), Onintercepttouchevent (M

' spreloadeddrawables cache, intercepting all requests for the shape.Iv. How to access svg-android1. svg image converted to vector fileSince Android only supports some of the canonical SVG files, so we still follow the official idea, Sir into a legitimate vector file, so there is also a good thing is to refer to dimen and color, aspects of the uniform modification of size and color.There are many ways to c

inherit viewYou must provide a constructor that gets the context and the AttributeSet object as a property, gets the property, and when view is created from the XML layout, All attributes in the XML tag are read from the resource bundle and passed to the view's constructor as a attributeset.View derived direct or indirect subclass: ImageView, Button, CheckBox, Surfaceview, TextView, ViewGroup, AbslistviewViewgourp derived from direct or indirect subc

1. Use Android API functions to view1.1 activitymanager view available memory.Activitymanager. memoryinfo outinfo = new activitymanager. memoryinfo ();Am. getmemoryinfo (outinfo );Outinfo. availmem is available idle memory.1.2. Android. OS. debug queries memory usage information of a single process, such as PSS, VSS, and USS.Memoryinfo [] memoryinfoarray = aM. ge

How does Android find appropriate resource files based on the delimiter ?, Android resource file Reprinted please indicate the source: http://blog.csdn.net/zhaokaiqiang1992 This article mainly introduces how the Android system filters and selects resource folders based on certain rules when we use a qualifier to mo

the process has not been stopped, and the bottom of the sub-view no consumption events, the event will be anti-yearning to pass, then the parent View (viewgroup) can be consumed, assuming still not be consumed. The Ontouchevent () function of the Activity is finally reached.(4) Assuming that the View does not consume the action_down, then other events will not b