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My Android advanced tour ------) view application signature information in Android 1. view your certificate signature information As in the previous article 《My Android advanced tour ------> Create and view custom Debug version

Hello everyone, our tutorial is onAndroidCustom in the tutorialViewFor beginners, they are usedAndroidThe traditional page layout method is as follows: Of course, the layout method above can help us develop simple applications, but if you want to write a complex application, it will be a little far-fetched. If you don't believe it, you can study the source code, the layout of high handwriting is usually written as follows: A extends linerlayout and B extends textview. I wrote a simpleDemoT

Event distribution mechanism of View in Android -- Android development art exploration notesIntroduction Event distribution of click events refers to the distribution process of MotionEvent events. When a MotionEvent is generated, the system needs to pass the event to a specific View, the transfer process is the distri

right = 5 * MWIDTH/8; int bottom = (int) item_height/2; The top rectangle RECTF toprect = new RECTF (left, tops, right, bottom); Canvas.drawroundrect (Toprect, Border_cornor_radius, Border_cornor_radius, Mpaint); Next, draw the rectangle at the bottom, which is the rectangle that contains the progress item Total progress background RECTF border = new RECTF (0, Bottom, mwidth, mheight); Canvas.drawroundrect (Border, Border_cornor_radius, Border_cornor_radius, Mpaint); Next, the

Android View class:1. All Android components are sub-classes of view.2. All components can be configured in two configurations, one through the method. The second is to configure through XML. TextView class:1. For text components The main purpose is to statically display some text, similar to the function of the label.

have to think about view because it's not a completely new custom control, and you don't need onmessure and ondraw to measure to draw a view. So what about ViewGroup? We don't have to use this class, because the layout here is given, and you don't need to use OnLayout to set the display position for the child control. So, what should we inherit? Can we imagine the ViewGroup subclasses? In addition to inher

... \android-sdk-windows\ The Platform-tools directory. Adding the directory to the PATH environment variable is OK. PS: Command line view Android SQLite database Command line View SQLite database: Start simulator Command line CD to android-sdk-windows\platform-tools d

Prepared for a while, always wanted to write an event distribution of the article summed up, this knowledge point is too important. An application of the layout is rich, there are textview,imageview,button and so on, these child view of the outer layer there are viewgroup, such as Relativelayout,linearlayout. As a developer, we think, when clicked on a button, how did the Android system make sure that I or

Reference to:http://blog.csdn.net/huiguixian/article/details/39928089If you have an apk and need to know what Android version is supported by his minimum installation, how should I check it?Change the APK suffix name directly to RAR or zip and pull out the androidmanifest.xml? No, Androidmanifest.xml has been compiled, and a lot of content has been changed into binary.In fact, you can use Android to bring y

We usually develop when the file cache, commonly used in the mobile phone internal storage and external storage of mobile phones, mobile phone internal storage mainly includes the app after the installation of some files, external storage is commonly used by the space, used to save some pictures of movies and so on. When fast-read cache files are generally stored in the internal storage, because the internal storage is faster than the external storage, external storage generally save some relati