0. SignatureJava-xmx2048m-jar out/host/linux-x86/framework/signapk.jar-w BUILD/TARGET/PRODUCT/SECURITY/TESTKEY.X509.PEM Build /target/product/security/testkey.pk8This key is the auto-generated key in debug mode.You can also create your own private key via OpenSSL.The OTA package will automatically sign with the generated key, and the location of the OTA upgrade package is as follows│[ota Package]│└─meta-inf
| |!msystemready) {throw new IllegalStateException ("Too Early to call shutdown () or reboot ()");}Runnable Runnable = new Runnable () {@Overridepublic void Run () {Synchronized (this) {if (shutdown) {Shutdownthread.shutdown (Mcontext, confirm);} else {Shutdownthread.reboot (mcontext, Reason, confirm);}}}};Shutdownthread must run on a looper capable of displaying the UI.Message msg = Message.obtain (Mhandler, runnable);Msg.setasynchronous (TRUE);Mhandler.sendmessage (msg);Powermanager.reboot ()
The example of this article is about the automatic detection version of Android programming and the method of auto upgrade. Share to everyone for your reference, specific as follows:
Steps:
1. Detect the current version of the information androidmanifest.xml-->manifest-->android:versionname.2. Obtain the version number from the server (the version number exists in the XML file) and match the currently det
Originally completed on: 2015-04-27 19:28:22Provides a way to gracefully handle Android database upgrade issues directly on the code:1 packageCom.example.databaseissuetest; 2 3 ImportAndroid.content.Context; 4 ImportAndroid.database.sqlite.SQLiteDatabase; 5 ImportAndroid.database.sqlite.SQLiteOpenHelper; 6 ImportAndroid.text.TextUtils; 7 ImportAndroid.util.Log; 8
Android image processing technology (implementing PS in Android) (5), image processing android
Today is the fifth blog on Android image processing technology. It is a bit more, mainly to take care of the students with weak foundations. However, we all use a coherent example
introduced: The client version is set in the Androidmanifest.xml file, there are two properties available for version information settings, android:versioncode="1" version number Android: Versionname="1.1" version name this version number needs to correspond to the server side.
4. Required Permission settings
[Plain]View Plaincopyprint?
SDcard access rights: Uses-permission Android:name= "Android.permission.WRITE_EXTERNAL_STORAGE"
Original: 802551411.grade configuration error:could not find com.android.tools.build:gradle:2.2.1. The workaround is a bit like the Maven repository: Enter the D:\software\android\ android-studio-ide-145.3276617-windows\android-studio\gradle\m2repository\com\android\tools\build\gradle Change the Build.gradle file in th
): at Android.app.ContextImpl.validateServiceIntent (contextimpl.java:1982)E/gameactivity (18333): at Android.app.ContextImpl.startServiceCommon (contextimpl.java:2020)E/gameactivity (18333): at Android.app.ContextImpl.startService (contextimpl.java:1995)E/gameactivity (18333): at Android.content.ContextWrapper.startService (contextwrapper.java:533)E/gameactivity (18333): at COM.BDA.CONTROLLER.A.D (Unknown Source)by looking at the stack crash information, we see that using a third-party Controll
;
}
int index = 0;
ColumnNames = new String[c.getcount ()];
For (C.movetofirst ();!c.isafterlast (); C.movetonext ())
{
Columnnames[index] = c.getstring (columnindex);
index++;
}
}
}
catch (Exception e)
{
E.printstacktrace ();
}
finally
{
Closecursor (c);
}
return columnnames;
}
The Upgradetables method should be called in the Onupgrade method.The significance of database upgradeIn the application dev
A few days ago, I was very depressed. I planned to create a small item on Android. I turned on Eclipse to create a new project and found that there was no R. JAVA!
The test was repeated many times but failed. Finally, I tried to upgrade the ADT and the result was done. Here I will write down the result. For details about the problem, refer.
In addition, you can try other online solutions!
1. Select Project>
android studio to create a project and create a java layer to call the native Layer Code
Package cn.edu. zafu. util;/*** class description: apk synthesis tool class ** @ author lizhangqu * @ date 2015-5-29 * @ version 1.0 */public class PatchUtil {static {System. loadLibrary (Patch );} /*** @ param oldApkPath old package path * @ param newApkPath generated package path * @ param patchPath patch path * @ re
); Bufferedinputstream bis =NewBufferedinputstream ( is);byte[] buffer =New byte[1024x768];intLen;intTotal=0; while(Len =bis.read (buffer))!=-1) {fos.write (buffer,0, Len); total+= Len;//Get current Download volumePd.setprogress (total); } fos.close (); Bis.close (); is. Close ();returnFile }Else{return NULL; } }Version matching, automatic installation / * * Get XML parsing from the server
\gamedev\demogame\proj.androidPython build_native.pyThen there is the lengthy compilation process. After the compilation is complete, import the project using Eclipse:Eclipse->file->import->general/existing Projects into Workspace, select directory:C:\workspace1\gamedev\demogame\proj.androidThe following error will then occur:Need to right click on the src directory above, click ImportPress the input below and click Finish:At this point, Cocos2d-x's Android
does not reach 0, refresh continues. Otherwise, stop refreshing handler. sendEmptyMessageDelayed (0, 50);} break; default: break;}/*** refresh status */private void flushState () {radius + = 5; alpha-= 10; if (alpha
We can see that in handler, We overwrite the handleMessage method, in msg. when what is 0, we cal
Upgrade Android ADT and SDK
Because we are currently engaged in android development, we have upgraded the Android SDK and eclipse ADT plug-in.
I. Update ADT
1. Open Help-> Install New Software in Eclipse.
2. on the "Details" Panel, click "What is already installed? "Link.
3. In the Eclipse Installation Details dia
Variant.processResources.manifestFile changed to Androidmanifestfile Variant.outputs[0]. Processresources.manifestfile5. Aapt.exe has stopped working at compile timeReference: http://stackoverflow.com/questions/21645961/android-studio-processdebugresources-failedWorkaround: The problem occurs when Compilesdfversion is 21 o'clock, as long as the buildtoolsversion is changed to 21.0.2 (or later).Note:I have
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