update android 6 0 to 7 0

application inherits some of the other classes, and you do not want to change it, then rewrite Attachbasecontext () as below. Public class MyApplication extends Fooapplication { @Override protectedvoidbase ) { super.attachbasecontext (base); Multidex.install (this); } }4. The compilation process may be low on memory. To fix it, set the followingdexoptions { true "4g"} 5, re-build, generate signature apk, install and use normal.(PS: I was using 1, 2 steps after compi

In the Android development process, often need to dynamically change the size of the view, some of the size of the view may need to be set according to other view size, or you need to get some view size to do something, but it is possible that you need to get this value in OnCreate, But some Android-based developers are aware that Android does not know the size o

" network Protocols need to learn at least two basic protocols, the HTTP protocol and the socket Protocol; Android Basics server-side development knowledge since many Android applications require server-side support, it is necessary to have some knowledge of server-side development. As to choose which kind of server-side knowledge to learn, it is more troublesome, because the type of technolog

for an Android programmer, so here I am going to write a column on Android database Master cheats, to take you step by step into an Android database master, This is the 0th article in this column.Because it is the master cheats, the content of this column is mainly to explain the advanced technology. This includes some of the unknown usage techniques in the

[Original] 0 Basic learning SDL Development porting SDL2.0 to Android[Original] 0 Basic learning SDL developed on Android using SDL2.0 display BMP diagram[Original] 0 Basic learning SDL developed on Android using SDL2.0 display BM

The front-end JS use XMLHttpRequest 2 upload pictures to the server, PC end and most mobile phones are normal, but in a small number of Android phone upload failed, the server to view the picture, displaying a byte count of 0. Here is the core code for uploading pictures: Html The code above uses Formdata to implement the form data submission. Formdata is a new type of data for XHR2 design that al

activity is grouped together to form a program, but each one is relatively independent, Other programs can also initiate these activity.An activity is implemented as a subclass of activity.2.ServiceThe service acts as a component running in the background, which is used to perform time-consuming operations or remote processes. A server does not provide a user interaction interfaceA sercice is implemented as a subclass of a service.3.Content provideA content provide is used to manage data sharin

Original site: http://blog.happyhls.me/2014/11/16/adt%E5%8D%A1%E5%9C%A8android-sdk-content-loader-0%E7%9A%84%E8%A7%A3%E5% 86%b3%e5%8a%9e%e6%b3%95/Opening ADT In the lab finds the entire ADT stuck in the Android SDK Content Loader: (0%), not available:Search on the Internet, found the following operations can be resolved, reference Http://stackoverflow.com/questio

parameters; //Use the value of the parameter taken from the specified shaderGles20.glenablevertexattribarray (Mapostionhandle);//Start drawingGles20.gldrawarrays (Gles20.gl_triangles,0,3); }}Step Three: Permission declarationsAfter the above two steps, the program can not run, you have to declare the appropriate permissions in the Androidmanifest.xml. uses-feature android:glEsVersion="0x00020000" android:required="true" />You can see the triangle by running the prog

Many Android applications exit the program with two consecutive clicks of the return key, with the following code:Private LongExittime = 0; @Override Public BooleanOnKeyDown (intKeyCode, KeyEvent event) { if(KeyCode = = Keyevent.keycode_back event.getaction () = =Keyevent.action_down) { if((System.currenttimemillis ()-exittime) > 2000) {Toast.maketext (Getapplicationcontext (),"Press one more

We didn't have a problem with creating a new project when we were using Android studio, but we couldn't use it when we downloaded a project on GitHub, mainly because of the gradle configuration problem. And because gradle this gadget version is updated too fast, Android studio each version is also different. For example, the version 2.3 uses Gradle is 3.3, and the 2.4 version uses 3.4.1. So what's the probl

Original: http://www.cnblogs.com/lesliefang/p/3933640.html1 process.killprocess and System.exit (0) Two will kill the current process.You can open DDMS to see the process number, or the ADB shell enters the shell and PS, the process is actually killed.2 If the first Activity call process.killprocess or System.exit (0) will kill the current process.But if it is not called in the first Activity, such as Activ

1 process.killprocess and System.exit (0) Two will kill the current process.You can open DDMS to see the process number, or the ADB shell enters the shell and PS, the process is actually killed.2 If the first Activity call process.killprocess or System.exit (0) will kill the current process.But if it is not called in the first Activity, such as Activitya startup Activityb, you call in ActivitybProcess.killp

1. After OpenCV is transplanted to android, an error occurs during development: android fatal signal 11 (SIGSEGV) at 0 xdeadbaad (code = 1 ). some people say that AsyncTask is used in the program. It happens that it is actually used in my program. However, after careful research, it is found that if the error is: android