Turn from 70739490Write before the text:A few months did not update the blog, feel a little rusty, so that can not break, a broken person lazy.In fact, these months are not nothing to do, I am always thinking about this year's mission, 10 books, 30 blog posts ..., these months are also in the study, learning H5, learning design patterns, as well as the NDK JNI development and so on.Learning JNI is mainly because the company has some Cocos games need t
encapsulated INSERT, UPDATE, delete, Query method, you can also use Execsql, Rawsql and other native methods3.3 SqliteopenhelperGetreadabledatabase ()Getwritabledatabase ()OnCreate (sqlitedatabase db, int oldversion, int newversion)OnOpen (Sqlitedatabase db)Onupgrade (Sqlitedatabase db)1) through helper, set up database table structure-onCreate, Onupgrade.2) Call the helper instance and get the DB object through Get***database ().3) Use DB object ins
After reading and translating the Android design guidelines, compare Android 4.0 with Android2.3 and previous versions of app design guidance to summarize the 10 major changes to the Android 4.0 design:
1. Navigation bar (see mode patterns> navigation Navigation)
The previ
You bought oneAndroid applicationsAndIPhone applicationsSmartphones may be very expensive to a computer, but although expensive, they can save a lot of money in other ways. Do not think that the United States is a developed capitalist country, and the people are rich. In fact, they are also frugal! Want to know how old beauty is usedAndroid applicationsAndIPhone applicationsDo smart machines save money?
10 types are introduced below:
1. PrefaceThe Android KitKat has a new feature that can set the background of the phone status bar, allowing the phone to wind the entire interface pane to be consistent, it looks very cool in this year's Google I/O up to Android L style. Come to see how we add this cool black crazy drag the function of the slag day how to add to our program. Take a look at the d
Original link: http://www.firemonkeyx.com/ten-tips-for-building-stunning-professional-android-apps-with-firemonkey/This article has simplified the original text.# 1, using SSL secure data connectionIf you are using Rese or tidhttp components in your mobile app, you should use SSL to encrypt your connection to keep your users ' data safe. or use TurboPower LockBox New, the free data encryption component, to
. Because TabHost is a subclass of FrameLayout, you must use the FrameLayout layout to define the tab content and the label ID is "tabcontent"
As to why we should follow these conditions, we can find the source code of TabHost:
2. layout file for each labelTab_layout.xml
1
3. a selector for aesthetic effects
Tab_selector.xml
1
4. Jump to the layout file of the Activity (because it is basically the sam
Analysis of Android source code design patterns and practices (10)Chapter 10 interpreter Mode
The interpreter mode is a relatively small behavior mode, which provides a syntax or expression method for interpreting languages. However, it is widely used, but it is rarely used because we seldom construct the grammar of a language.
Android Practice Note (10) --- src attribute of ImageView VS blackground attribute
Problem Analysis
I believe everyone is familiar with the ImageView image component. It is used to display images!
You can use the src attribute or the blackground attribute to set the displayed image!
Everyone knows this, but do you have to worry about how to use and under what circumstances?
It is estimated that many of my
=Pm.getapplicationlabel ( - Pm.getapplicationinfo (PackageName, the packagemanager.get_meta_data)). ToString (); theMfloatview =(Button) mfloatlayout the . Findviewbyid (r.id.float_id); the Mfloatview.settext (progressname); -Toast.maketext (Fxservice. This, Progressname, the toast.length_short). Show (); the}Catch(namenotfoundexception e) { the //TODO auto-generated Catch block94 e.printstacktrace (); the } the } the });98}Note: If you want to get the to
1. New contact---Site item Enter "tel:012345678901" (if the number is greater than 10 digits after the colon), save.2. Go to the Contact list and click on the contact avatarResults:Exception thrown in Webaddress.java, program stops runningThe problem occurs because when you click the Quickcontact icon for a contact that has a site field in the People interface, the legality of the site field is checked.If i
Android-two methods for text clicking (10)
1. The first type is as follows:
protected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);Log.d("debug","textview onCreate");textview = (TextView)this.findViewById(R.id.textview);textview.setClickable(true);textview.setFocusable(true); textview.setOn
In Android development, you often encounter the requirement that the text content entered in the input box should limit 10 characters or 20 letters. Before also on the internet to see a lot of solutions, the effect is not very good, most are directly to take the length of the string () as a limited basis for the judgement, this idea is very wrong, simple with string.length (), to determine the length of str
Android mobile guard 10 -- Application Manager, android10 --
1. Add different types of entries
1 class MyAdapter extends BaseAdapter {2 3 // obtain the total number of entry types in the data adapter, and change it to two types (plain text, image + text) 4 @ Override 5 public int getViewTypeCount () {6 return super. g
first frame, indicates the current audio playback time and the first frame of the video difference between the value
Where the variable is passed maudioplayer->getmediatimemapping (int64_t *realtime_us, int64_t *mediatime_us) {Mutex::autolock Autolock (MLock) got
The difference between the two indicates how much of this packet of PCM data has been played. The video in Stagefright is based on the difference between the two timestamps derived from the Audioplayer.Audio and video outputFi
Go on with your study yesterday.Yesterday we created a new view based on the weather data obtained to display the contents, so today we will show the data!!!Here we have to link the data and the view, then we use the adapter-adapter,android to provide us with a lot of Adapter, here we use the baseadapter.Baseadapter (1)Right click on Src/com.demo.weather, select New > Class, follow the fill:After selecting
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