list of all android versions

1: Get Packagemanager Get all statically installed apps:? 1 PackageManager pm = getPackageManager(); 0); 2: Get Activitymanager Get dynamic all running processes? 12 ActivityManager am = (ActivityManager) getSystemService(Context.ACTIVITY_SERVICE);List" ; "+ info.uid + " ; "+ info.pid ?

Activity declaration cycleMethod 1We know that the window class of Android provides a historical stack, and we can implement it skillfully through the stack principle. Here we add the intent icon directly to window a when window a opens window B. flag_activity_clear_top. When B is enabled, all activities in the process space are cleared. Use the followingCodeCall window BJava code Intent intent = new in

获取手机里所有存储设备盘符,首先需要得到挂载在手机上的有哪些盘符,这里需要用到一个被系统隐藏的方法，即StorageManager下的getVolumePaths()方法。具体通过反射得到。方法返回值为字符串数组，getVolumeList返回所有相关信息 StorageVolume: mStorageId=131073 mPath=/storage/external //盘符（路径） mDescriptionId=17040902 mPrimary=false mRemovable=true //是否可卸载，内置SD卡无法卸载，外置SD卡可以卸载，据此可判断是否存在外置SD卡， //这样在某些APP中可以将某些数据优先存储到外置SD卡，优化存储空间资源的分配。如相机 mEmulated=false //是否是内置SD卡 mMtpReserveSpace=0 mAllowMassStorage=true mMaxFileSize=0 mOwner=null mUuid=4041-5DA0 mUserLabel=null mState=mounted //是否已载入（可用）public

The example in this article describes the control usage of the Android implementation, which displays a semi-transparent small form effect in list lists. Share to everyone for your reference, specific as follows: Android controls that show translucent small form effects in list lists, much less directly on the code,

Android listview + checkbox list sliding up or down causes loss of check box status solution, androidlistview I used to have a headache for this problem for a long time. I am busy with other things. I haven't sorted it out all the time. Today I am not so busy. Let's take a look at the problem of listview + checkbox. Interface: Listview_cell: The interface is v

Create a Material Design-style Android app-create a list and a card, All my articles first published on my blog, welcome to attention, address: http://blog.isming.me The last time I talked about using theme, applying the Material Design style, and card layout is also an important part of Material Design. I will write it today.Introduction Create a complex

Address: http://www.androidba.net/deleted-android-apps/ By default, the Android mobile phone system comes with a lot of useless applications. Some guoxing mobile phones even have some built-in applications with promotional properties (suchDaily browser ). These applications are rarely used at ordinary times, but because they are built-in to the system, they are embedded in the mobile phone like psoriasis

path * @return */public list amongString Sdpath = environment.getexternalstoragedirectory () + "";each time a local list is entered, the activity's Onresume method is called. The information is then loaded into all local MP3 songs. Then through a simpleadapter, the MP3 information is displayed. Finally, a click event is added to the

This article describes how to obtain the list of system applications in Android. The Android system provides many service management classes, including ActivityManager, PowerManager (power management), and AudioManager (audio management. In addition, a PackageManger management class is provided to manage application packages. With this, we can get the applicatio

Original: Android ListView Complex List Optimization Practice Many social apps will inevitably involve complex list element implementations, a list of potentially large numbers of images, an indefinite list of comments, and a number of challenges for mobile programmers. Thi

drawing process of friends, please refer to my article "you learn the framework of the Celtics brother" activity interface display full resolution.SummarizeUntil now, we finally know why the Jane book Android client is stuck, and we summarize Due to the multi-tab design, resulting in a serious interface layout, not the system layout, there are more than 14 layers Due to unreasonable interface, the partial layout is redrawn seriously

Recently I made an android music player. I personally felt that the most difficult part was "playing back" and "playing list", but I finally found the implementation method. Different people may implement different methods. Here I will share some of my implementation methods for the "playlist" module. "playing back" will be introduced in the next blog, I hope you can share some of your ideas.

zoom.Support for multiple streaming media protocol associations (temporarily without RTSP, you need to copy the sticker from the browser).Official website: https://linuxtoy.org/archives/mplayer-for-android.html7.MX Video player (MX movie player)MX Video Player is the first Media player software on the Android platform to support the multi-core decoding function, and according to the test results on a dual-core An