My Android advanced tour ------) Unicode code values of some special characters in android, such as Arrow symbols such as character → character
In projects, some symbols are sometimes added to some controls (such as Button and TextView), as shown in:
In this case, images can be displayed, but these can be directly di
In the development of Android project, we often use the "@" or "?" symbol to refer to the system or the resources we add in the application, what is the difference between the reference of the two symbols, "? attr/" and "android:attr/" What is the difference? In this article, we might as well chat.References to "@" and "?" symbols have a canonical format when use
Full Screen input is not allowed for Android horizontal screen; full screen for android
Recently, the input method is full screen when the address book on the 751 mobile phone is used for landscape
The android flash screen still has a black screen problem, and the android will have a black screen.
1 public class SplashActivity extends Activity {2 3 @ Override 4 protected void onCreate (Bundle savedInstanceState) {5 super. onCreate (savedInstanceState); 6 setContentVie
screen status broadcast receiver */private void startScreenBroadcastReceiver () {IntentFilter filter = new IntentFilter (); filter. addAction (Intent. ACTION_SCREEN_ON); filter. addAction (Intent. ACTION_SCREEN_OFF); filter. addAction (Intent. ACTION_USER_PRESENT); mContext. registerReceiver (mScreenReceiver, filter );}
Because the user can set whether the screen is locked after it is disabled, we cannot
Droid @ screen: the Android mobile phone screen is displayed on the PC screen,
Droid @ screen is a tool used to obtain the mobile phone screen and display it on the PC screen. It integr
I. Different Layout
The screen sizes of Android mobile phones vary by 480X320,640x360,800 X. How can an app automatically adapt to different screens?In fact, it is very simple, just need to create different layout folder under the res directory, such as layout-640x360, layout-800x480, all the layout files will be written to R after compilation. java, and the system selects the appropriate layout based on th
Here is a tool--[email protected], used to get the phone screen, displayed on the PC screen. It integrates, video and other functions in one.Installation
1.: http://droid-at-screen.org/download.html, after download is a jar package, put in a directory can.2. Install JDK6 or later3. Install the android SDK (download a full package from the
Article 3. Pre-development knowledge supplement: length units and screen resolutions of Android, which are also reproduced ~~, Android screen resolutionThis article is a bit early, but it is very practical. For more information about the Unit, see the red part.
Screen Resolu
This article is described as a common Android code, mainly used to determine whether the phone screen is horizontal or vertical, in the judge screen level or vertical, you can respond to the program, the instance code is only to determine if it is a vertical screen, if the correct return true, otherwise return false.
In actual development of the Android source code, two problems are encountered: instant screen notification after the screen is disconnected from the screen lock, and instant screen notification during the call; because the problem of wake-up on the
Brief Introduction to Android touch screen Gesture Recognition and android touch screen gesture
Most of the time, the use of touch screen Fling, Scroll and other Gesture (Gesture) operations will greatly improve the user experience of the application, such as rolling the
. gesturedetector. ongesturelistener; Since api-1,
Android. View. gesturedetector; Since api-1,
From the API, from the beginning of the api-1 has supported the gesture and gesture listener, so many say api-4 to support this sentence is also true! Because:Android. gestureThis class is fromApi-4Is supported. This classInput Method Gesture RecognitionWill be used in! So ~
Conclusion: Touch Screen Gesture Recog
First look at an Android screen full screen implementation code
The code is as follows
Copy Code
@Overrideprotected void OnCreate (Bundle savedinstancestate) {TODO auto-generated Method StubSuper.oncreate (savedinstancestate);Requestwindowfeature (Window.feature_no_title);GetWindow (). Addflags (WindowManager.LayoutParams.FLAG_FULLSCRE
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