( illegalstateexception e) {//TODO auto-generated catch Blocke.printstacktrace ();}} Onpreparedlistener Preparedlistener = new Onpreparedlistener () {@Overridepublic void onprepared (MediaPlayer MP) { Mediaplayer.start ();}};A look to understand, just at the beginning I finished prepare went directly to start, but this time may prepare has not succeeded, so reported the above error.Then you encounter a prepareasync called in State 8This workaround adds a line of
()) { r.id.id_btn: toast.maketext ( Mainactivity.this, "clicked", Toast.length_long). Show (); break; Default: Break;}}} The final results are as follows:Now to sum up, how can there be such a low-level error. To implement the interface to click the button, and to add a line of code is:Button.setonclicklistener (this); Let me briefly explain this me
I just downloaded and installed the latest Android SDK and I want to create a simple engineering study.The code created according to the wizard is as followsPackage Eu.mauriziopz.gps;import Android.app.activity;import Android.os.bundle;public class Ggps extends Activity { /** Called when the activity is first created. * /@Override public void OnCreate (Bundle savedinstancestate) { super.oncr
Follow the custom dialog section in the android manual to learn how to use the custom dialog. the following error occurs:
android.view.WindowManager$BadTokenException: Unableto add window--tokennullisnotforan application
The Code logic on the manual is as follows:
Layoutinflater Inflater = (layoutinflater) getapplicationcontext (). getsystemservice (layout_infla
I haven't developed the android program for a long time. Recently, I opened eclipse and found that the original Android Project reported an error.
According to the output in the console, we found that: 1. aidl did not generate a Java file. 2. The R file cannot be found.
After checking, the code is correct, but why
one, illegal characters: ' \ufeff 'prompt when importing a project into Studio Error: Illegal character: ' \ufeff ' , the compiler did not error, but the compilation error, more headaches, and later found that the reason is because there is no use UTF-8 No BOM mode , Open the file with notepad++ or another editor and change the format to resolve it: note: eclip
In Android learning, we often import engineering source code for learning, but some engineering source code imports will show a large red exclamation mark, and then
The project was not built since its build path is incomplete. Cannot find the class file for java. lang. Object Error
The solution is as follows:
1.
Gradle DSL method not found: ' Android () 'Cause of Error:When Android Studio introduces a project, it automatically finds out if it has an SDK version of the project settings, and if it does not, we will modify it to its own SDK in project structure. However, as modified, the as will automatically add the following code to the Build.gradle under the project:Work
of ImageView is from the network, it is loaded asynchronously11. In the application development of Custom view, the interactive part, do not write thread constantly refresh the interface display, but based on the Touchlistener event active trigger interface update12.DrawableThe image that the UI component needs to use is the APK package, so use Setimageresource or Setbackgroundresource instead of the ResourceIDNote: Get (Getresources (), R.drawable.btn_achievement_normal) This method is convert
System: Ubuntu12.04Mobile phone System: Android5.0In the development process of Android there will be a lot of bugs, the use of tools can help us to analyze the problem, especially some system error messages will be printed on the stack, we can based on this stack error information to locate which file is the wrong line of co
*:{option =-pthread;libs = RT; }Note:as Initial/brute Force solution, I would take the failed commands and manually run them removing-lrt from them.QuestionSo I am trying to build boost 1.55 for Android, but I am getting linking errors for Boost.system and boost.atomic, that SA Y "Error:cannot find-lrt". Of course, Android doesn ' t has LIBRT because its built into the C runtime. So, I am trying to get boo
0x7f070001, but the main module 0x7f070001 the corresponding resource is not a layout, so there will be an error.2) Idea Package: The value of MyView in the two R files is the same, so the resources can be found correctly, the program will not be wrong.So you know the problem, but how does the problem arise?After reviewing the MAVEN print log, a package process is organized as follows:1) Copy all dependent packages to the project/target/unpacked-lib
(arguments) {
}
In other words, all you need to do is implement this method.
• Default local code shared library name is the name of the Android project
With this gadget, you can simply declare the local method in Java, run the tool, then implement the local method, and then compile it.
can be from Download Here> This gadget. After decompression, there are three files, one is Java source, one is J
the local, as shown below:
Repo sync project1 project2...
I use the repo sync command to directly synchronize all projects to the local device.
Ii. source code compilation
After the synchronization is complete, go to the Android directory and use the make command to compile the SDK. the following error message is displayed:
Host C: libneo_cgi External/clear
-3 It's wrong to write like this. R there will be an error in the file. Must be changed to @+id/button_3?6 , as do not update at startup SDK7. Add a dependency package to eclipsereference:http://www.cnblogs.com/kissazi2/p/3644848.html Add Android Compatibility Pack (V4, V7 AppCompat) to eclipse?Here's how to add the error:?We are adding a. jar file.We need to d
First, the error is reported because the third-party classes are not found. Solution: Right-click the project Properties -------> Build Path -------> Order And Export to check the third-party jar package. Then Clear your project and re-compile and run it to solve the above problem. For details, see the above steps and then Clear the project and compile and run it. By the way, I posted the source code of Sin
Error phenomenon:Probably mean is not found: com.android.application plug-in, the above phenomenon for beginners will often encounter, the following analysis of the cause of the resulting.Cause analysisFirst take a look at the imported engineering structure:Is there a question for this engineering structure? This is not the normal synchronization complete structure, Gradle scripts below seems to be a build.gradle, the Red box section describes clearly
displayed. In this case, Item8 is a reusable View of Item1, so the Item8 like button will be inexplicably lit up. Then I got circled and began to think about it. Who? Who? Who are you? This is also the cause of image loading errors. (Picture solution http://www.trinea.cn/android/android-listview-display-error-image-when-scroll)
Three solutions:
1. This problem
Problem descriptionCocos2d-x Game Project Android Project Access SDK, after the successful payment, Java code callback Lua method, generated the ANR.How to position ANR?Records and ANR error messages in the Data/anr/traces.txt file. You can use the RE manager to view the file.In the log information, you can see how the Cocos2d-x audio engine plays the sound effec
Recently, the project has done, call the camera to take pictures to get the function.Use the previous code directly and find that there is a problem with Android7.0.After Android6.0, dynamic application permissions have become the norm.Call camera to take pictures of this feature, you need to dynamically request camera permissions, SD card read and Write permissions.However, when these permissions are added, the e
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