spinner apk

Friends who have posted Android apps should all know that the Android apk is a sign that needs to be signed. The signature mechanism plays a very important role in Android applications and frameworks. For example, the Android system prohibits updating the apk of inconsistent installation signatures, and if the application needs to use system permissions, you must ensure that the

The generated Android application APK file is best optimized because the essence of the APK package is a zip-compressed document that optimizes the orderly arrangement of uncompressed data in the package, reducing the memory consumption at the time the application runs. We can use the Zipalign tool for APK optimization. Zipalign is an important tool for optimizi

Problem:Pre-installed software in the system. You need to access some configuration files. The owner of the configuration file is set to system. Therefore, the application must be authorized to read and write data.Google search found the following article to solve this problem. The following content explains:Permission rules for the Android system?How can an application obtain system permissions?What is the APK signature process?How does the

Android APK signature comparison Users who have published Android apps should know that the release of Android APK requires signatures. The signature mechanism plays an important role in Android applications and frameworks. For example, the Android system prohibits updating and installing APK with inconsistent signatures. If the application requires the system pe

installation configuration, you will be prompted with information similar to the following The code is as follows: : Help Welcome to Gradle 2.2.1 To run a build, run Gradle ... To a list of available tasks, run Gradle tasks To a list of command-line options, run Gradle--help Build successful Verify that the Android application can be compiled Complete the above environment configuration, one of our Android infrastructure environment is fully configured, the next thing to do is to t

Hello Everyone, just started to write a blog, write a bad place please forgive me. It's a record of your work. due to the recent use of the project, Bang Bang security reinforcement, after the completion of the need for the APK two times signature. Bang Bang security provided by the signature software do not know is not the cause of the environment, in my place, can only use the command to sign! First, sign the certificate (note: You can use KeySto

In a company project, when versioning is done, you encounter situations where you need to identify the managed apk (Android application package) and IPA (Apple application package), and you need to identify and import some of the package's information into the database and manage it when uploading. first, how to identify information When I started working on this solution, my colleague told me that there was a ready-made tool class on the web that co

Recently Tinker Android, encountered a problem, because there is no root permissions, need to invoke intent installation apk, but need to get the user is installed (such as, the user clicked back or cancel), check a lot of articles, and finally can be resolved, but there are flaws, the solution is as follows: public static void InstallPackage (context, file, int requestcode) {//before installation records the name of the preinstallation

Mobile phone file download is divided into the background of automatic download and foreground download, I summed up the implementation of these two code, where the foreground download and realize the download progress bar implementation. The first type: Background download /*** Background in the following one apk download completed to return the downloaded file** @param httpurl* @return*/Private File downfile (final String httpurl) { New Thread (N

Reprinted please indicate Source: http://blog.csdn.net/singwhatiwanna/article/details/22597587 (from singwhatiwanna's csdn blog)Background The problem is: we know that the apk must be installed before it can run. If it is not installed, it can run well. In fact, this is not completely impossible, although it is relatively difficult to implement. Theoretically, we can use a host program to run some uninstalled apk