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onActivityResult() it is not expressed. Tell me about the intent parameters for taking photos.The first is to set the address of the returned data after shooting:
Intent.putextra (Mediastore.extra_output, Your-store-uri);
MediaStore.EXTRA_OUTPUTThe parameter is used to specify the storage path of the photo/video after the shot is completed. You can use the android default storage photo directory to save:
Environment.getexternal
Source: Reprinted from: http://mobile.51cto.com/abased-410796.htmIn Android apps, the most memory-intensive is the picture resource. And on Android, when reading bitmap bitmap, the stack size of the pictures in the virtual machine is only 8M, and if exceeded, a outofmemory exception occurs. Therefore, the memory optimization of the image is an important part of
user visible non-interactiveOnresume: Become interactive with the user, (in the activity stack system through the stack to manage the top of these activity, run out of pop-up stack, then back to the previous activity)OnPause: To this step is visible but not interactive, the system will stop the animation and other CPU-consuming things from the above description already know, should be here to save some of your data, because this time your program has a lower priority, it may be recalled by the
calls UI (Pictrue from @Eric Li)Android 4.4 vs 5.0 MO/MTYou have previously analyzed the MO/MT process for Android 4.4, see:An analysis of the workflow of Android 4.4 Kitkat Phone (iii) __MO (power off) processAn analysis of the workflow of Android 4.4 Kitkat Phone (v) __MT
start execution launcher, this is the desktop program we often see.Described above is a fairly simplified start-up process, to understand that these are basically enough for adaptation MIUI, if you want to know more about these, please follow the various Android insider books on the market.5. Data and Cache partitionsThis section briefly describes the data and cache partitions. When we boot into the desktop program, generally we will download and ins
#*#* on the dial-up interface to open the Developer Tools feature (Input *#* #6960 #*#* off), click "Settings", "Accessibility" and "Developer Tools" , find "Show layout boundaries" in the drawing bar and open. So the control layout of all the apps is at a glance, WebView as a control, there is only one bounding box, so through this, it is easier to distinguish whether an interface is implemented WebView o
perspective of application, is one of my most admired applications. What is the engineering structure of it? NetEase News Project structure and the previous 2 apps have a lot of different, it does not follow the module to divide, but mainly according to the type of component, and then put all of this type of class all under it. The division that puts all activity in the activity pack is indeed common in Android
the coordinate system in this transformation. In Android, the default view coordinate system is the upper-left vertex (0, 0), the x-axis, and the y-axis. This requires that the rect coordinate be transformed. Another difficulty is that this face detection must be started after the camera is turned on, and if you take a photo or stop the preview, you need to activate it again. You need to add a delay when activating, otherwise it won't work.In additio
Http://www.cnblogs.com/likeandroid/p/4888808.htmlAndroid anti-cracking technology introduction
As the internet continues to evolve over the years, Android apps are getting more and more! But then there are more and more problems, the more troublesome problem is: Some criminals use anti-compilation technology to crack the app, modify the code, and then recompile upload to the App Store! By then, if
This article was reprinted from: 70082302An overview of inter-process communication mechanisms in Android-binderRecently in the study of binder mechanism, on-line access to a large number of information, but also see Lao Luo's binder series of blogs and innost in-depth understanding of the binder series of blogs, all from the bottom of the story, all C code, although learned C and C + +, but the various functions of the fancy jump, I have doubts about
sync connectionAlthough many people encounter this problem, the root cause of the problem is not accurate, there may be many reasons for the ADB error:[2010-10-12 09:36:48-myapp] Android launch! [2010-10-12 09:36:48-myapp] adb is running normally. [2010-10-12 09:36:48-myapp] Performing com.mycompany.myapp.MyActivity activity launch[2010-10-12 09:36:48-myapp] Automatic Target mode:using Devic E ' xxx ' [2010-10-12 09:36:48-myapp] uploading myapp.apk o
(), Display.getheight ()); LOG.D (TAG, "screen resolution:" + screenresolution); Point Screenresolutionforcamera = new Point (); screenresolutionforcamera.x = screenresolution.x; SCREENRESOLUTIONFORCAMERA.Y = SCREENRESOLUTION.Y; Preview size is all something like 480*320, and other 320*480 if (Screenresolution.x Finally, the Rendercroppedgreyscalebitmap method in Planaryuvluminancesource.java is changed to:Public Bitmap Rendercroppedgreyscalebitmap () { int width = getwid
Transferred from: http://blog.csdn.net/jacobywu/article/details/24735521Directory (?) [-]
Question
Answer
Add Boot Parameters No_console_suspend
Initcall_debug
Suspend_test
Wakelock
Power0
Earlysuspend
Suspendresume hours fine Tune
Question:How to get enough information under Linux or Android to do the fine tune of power management?Answer:Under Linux or
-http", String.valueof (Httpconnectionparams.getsotimeout (Clientparams)));//Display as 10000//The original set connection timeout is 5 seconds, the following will reset the parameter, set to 20 seconds, we set the new parameter in request, will not affect other requestsHttpparams params = Request.getparams ();Httpconnectionparams.setconnectiontimeout (params, 20000);//20sRequest.setparams (params);LOG.D ("Pro-http", string.valueof (Httpconnectionparams.getconnectiontimeout (params)));//Display
the class does not know whether there is the meaning of the layout of the head-mounted device)
"Compass" subsystem of reading and writing compass under Event2 node
and MX3 (can not be said that Android ha here for MX3) is from these system nodes read and write device event information, the above information I was in the mx3 screen when the power button is pressed to turn
Reference: http://www.cnblogs.com/xingfuzzhd/p/3374504.htmlToday is to talk about the Packagemanager. The Android system provides us with a wide range of service management classes, including Activitymanager, PowerManager (Power Management), Audiomanager (audio Management), and more. In addition to this, a Packagemanger management class is provided, whose primary responsibility is to manage application packages. With Packagemanager, we can get applica
This article was reproduced from: http://www.jb51.net/article/82281.htmThis article mainly describes the Android app call Mediarecorder implementation of the recording function instance, Mediarecorder is very powerful, not only can be used to record audio can also record video, the need for friends can refer to the nextMediarecorderAndroid Mediarecorder contains audio and video recording capabilities, and on Andro
, restart the phone: Settings-application Management, check: You can see our app has been unable to uninstall, can only deactivate this time, even if the force stopped, or shut down the service, restart the phone can still get up service~! System-level apps so that some third-party butler software can't kill us unless you deactivate the app or force it to stop (but my app can boot). "Conclusion" this way is suitable for debugging to use, not a solut
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