todo app android

"Org.androidannotations:androidannotations-api: $AAVersion"Compile ' com.android.support:support-v4:22.1.1 '5.3 Apt {arguments {Androidmanifestfile Variant.outputs[0].processresources.manifestfileResourcepackagename ' Org.shuaibi.hi_blog '}}Such as:The configuration is done here, let's see how to use it.Package Org.shuaibi.hi_blog.activity;import Android.app.activity;import android.content.intent;import Android.os.bundle;import Android.widget.textview;import Android.widget.toast;import Org.andr

If all applications have version updates, how can they be updated? Today, we will introduce the entire process of automatic application updates. The procedure for automatically updating a program is roughly as follows: Program startup --> timely background check for updates ---> link remote server --> get new version information --> Compare the current version --> if (updated) --> display the update prompt dialog box and display the updated content --> submit and select. Below is my demo. You

All content is sourced from official documents Https://developer.android.com/training/articles/memory.htmlOnly-to-completely release memory from your app is-to-release object references you could be holding, making the memory Available to the garbage collector.The only way to completely free memory from your app is to release the object you are referencing to make it visible to the GC.How

(namenotfoundexception e) {//TODO auto-generated Catch blockE.printstacktrace (); } Startappbutton=(Button) Findviewbyid (R.id.button1); Startappbutton.setonclicklistener (NewOnclicklistener () {@Override Public voidOnClick (View v) {//TODO auto-generated Method StubToast.maketext (mainactivity. This, ""+str, toast.length_short). Show (); } }); } @Override Public BooleanOncreateoptionsmenu (Menu m

function: Time t = new time ();T. settonow ();Int lastmonth = T. Month + 1;Final string STR = T. Year + "year" + lastmonth + "month" + T. monthday + "day ";Final string nowtime = my_ RMB _data.getstring (todaytime, ""). tostring ();If (nowtime. Equals (STR) = true){TV _time.settext ("Date:" + nowtime + "checked in! ");Bt_qiandao.setbackgroundresource (R. drawable. yqd );}Else{TV _time.settext ("Date:" + Str );Bt_qiandao.setbackgroundresource (R. drawable. QD );} All code of the page: Import

of/data/data/com.xxx.xxx/files * * * *@paramContext*/ Public Static voidCleanfiles (Context context) {Deletefilesbydirectory (Context.getfilesdir ()); } /*** * Clear the contents of the external cache (/mnt/sdcard/android/data/com.xxx.xxx/cache) * *@paramContext*/ Public Static voidCleanexternalcache (Context context) {if(Environment.getexternalstoragestate (). Equals (environment.media_mounted)) {Deletefilesbyd Irectory (Context.ge

Android shadow app source code project and android shadow source code project This APP is a small project that I worked with a classmate. idea came from a place where we went to play. It happened to be a scene I saw on TV when I was a child, so I made an APP that wanted to

The previous time in the understanding of the answer has been in the IT industry predecessors, what about the protection of health knowledge to share to the IT newcomer? , replied to a picture, comments inside have friends hope through the program can be achieved, I tried to achieve through the program after the effect, is open source out, we can casually modify.To achieve this effect, in fact very easy to define the view, and then call Canvs Drawtextonpath method can be, but the dry display of

* One * @paramPackageName The name of the stopped. A */ - Public voidrestartpackage (String packagename) { - Try { the Activitymanagernative.getdefault (). Restartpackage (PackageName); - } - Catch(RemoteException e) {} -}So if you want to close the entire application, just run the following two lines of code:1 This . Getsystemservice (activity_service); 2 activitymgr.restartpackage (Getpackagename ());Now that we've made it halfway, what's half of it, that's what we always love to forget,

returnb * A * (Sigma-deltasigma); the}There is also a simple method that is worse than the above accuracy, as follows:1 Public Static DoubleGetdistance (DoubleLAT1,DoubleLONGT1,DoubleLAT2,DoubleLONGT2) {2 DoublePI = 3.14159265358979323;//Pi3 DoubleR = 6371229;//the radius of the Earth4 Doublex, y, distance;5x = (LONGT2-LONGT1) * PI * R * Math.Cos (((LAT1 + lat2)/2) * pi/180)/180;6y = (LAT2-LAT1) * PI * r/180;7Distance =math.hypot (x, y);8

Android app background running instructions, android background Rewrite the event listening of the Return key so that the back key function is similar to the home key, so that the Acitivty will not be destroyed by the system when it is returned to the background. The Code is as follows: Public boolean onKeyDown (int keyCode, KeyEvent event ){ PackageManager p

Android 5.0 frequent reboot in late application Many users report that the application in Android 5.0 appears to restart frequently in the background, and that if the device is not restarted for a long time, the performance of the system and the application will be significantly reduced and the response begins to slow. Android's background management mechanism has been quite criticized, although the

Android: cartoon APP development notes read images from Assets locally List is the directory name under Assets. // Read private ArrayList locally GetImageFromAssetsFile (String list) {String test = list; ArrayList Newpiclistinfo = new ArrayList (); String [] list_image = null; try {// obtain the file names of all files in the assets/list/directory, so that list_image = this can be used

During the development of Android project, there is a lack of translation in English and Chinese, this Python script is used to check if the string is missing the corresponding translation1 #!/usr/bin/env python2 #Encoding:utf-83 4 ImportOS, sys, getopt5 ImportXml.dom.minidom6 Importsubprocess7 fromXml.dom.minidomImportNode8 9 #determine if the app project is based onTenAxml='Androidmanifest.xml' One Ares

Android development package the project into an apk, Android to the mobile phone, or submit it to the app Store, androidapk#1. It is easy to export an app using Eclipse. Let's take a look at my steps. Images and truth Select a project Create a new one with a random location. The following is the password.

View Android App (APK) signatureThis address: Http://blog.csdn.net/caroline_wendyWhen registering apps on Weibo and open platforms , you'll need to fill out an app (apk) signature and use the Keytool tool to find the signature of your signed app .1. Use the Unzip tool to locate the CERT in the APK package . RSA file ,

below which the App Widget would be illegible or otherwise unusable. Using These attributes allows the user to resize the widgets to a size that may be smaller than the default widget size Def Ined by Theminwidthandminheightattributes. Introduced in Android 3.1. See the app Widgets Design guidelines for more information on sizing your

transition is also relatively long, where the pixel transition is mainlyVersions of different pixels are still present. The reason is that there are still many domestic handset manufacturers to use the screen is not a stable version, often low-end phone screen resolution is relatively poor. and high-endThe resolution of the phone is relatively high. In fact, compared to Android developers, the Apple developer is still more fortunate, because the curr

Speaking of Android phone, most people's impression is a bit of time to become a little lag, some programs in the run inexplicably crashes, open the System folder A look, found a lot of files, and then use the mobile phone butler APP constantly clean optimization, just feel the speed slightly improved point, Even if the mobile phone in a variety of performance in front of the software score ahead, or feel n

The first app to be written right now is Geoquiz, who can test the user's geographic knowledge. The user answers the question on the screen by clicking the True or False button, Geoquiz can instantly feedback the answer correctly or not.Figure 1-1 shows the result of the user clicking the false button.　　1.1 Application Basics　 The Geoquiz application consists of an activity and a layout.　　activity is a specific instance of the activity class in the