add fingerprint android

= Bitmap.createbitmap (Bitmap.getwidth (), Bitmap.getheight (), Bitmap.Config.ARGB_8888); //Set Basemap as Canvas Canvas canvas = new Canvas (BITMAPBG); Canvas.setdrawfilter (new Paintflagsdrawfilter (0, Paint.anti_alias_flag | Paint.filter_bitmap_flag)); float scale_x = (bitmap.getwidth ()- 2 * framesize- 2) * 1f /(Bitmap.getwidth ()); float scale_y = (bitmap.getheight ()- 2 * framesize- 2) * 1f /(Bitmap.getheight ()); Matrix.reset (); Matrix.post

calls the method to create a dialog instance/* * Create a Alertdialog instance in a "stream interface": First, by passing in the context object to the Alertdialog.builder class's constructor method * Create a Alertdialog.builder instance, the beginning of new is playing this role; The created Alertdialog.builder instance is tight * Then call the two Alertdialog.builder class's Set Method configuration dialog box (if you need to add a response code fo

androidmanifest.xml inside the declaration If you are in Android 6 (API 23), you can add the following code to request permission, let the user agree before you can eject Alertdialog.　　　 @Override protected void OnCreate (Bundle savedinstancestate) {Super.on Create (savedinstancestate); Setcontentview (R.layout.activity_login); if (Build.VERSION.SDK_INT >=) {if (! Settings.candrawoverlays (Lo

Android uses two times Bezier curve to imitate shopping cart Add Item parabolic animation0. First, give an effect GIF chart first.1. Bessel curve principle and related formula reference: Http://www.jianshu.com/p/c0d7ad796cee Xu Fang.2. Principle: Calculate the coordinates of the clicked view, shopping cart view, and their parent container relative to the screen.3. In the Chant click View coordinates the par

To achieve the Android phone by scanning business cards, get business card information, you can use the pulse-provided Third-party SDK, that is, the Maketion Scancard SDK, Pulse-seeking cloud business card recognition services. Their official website is http://www.maketion.com/. I. Overview Maketion SCANCARDSDK (hereinafter referred to as the SDK) is provided to the third Party partner access Pulse can seek cloud business card identification service

In the past few days, I started to get jbox2d. on Android, the first time I joined a third-party jar, I encountered some problems. This is common.ArticleI will not mention it, so I have recorded it here, hoping to save valuable time for developers who encounter the same problem. To add a third-party jar package to Android, follow these steps: 1. Download thir

Yesterday I had a hard time worrying about my day's problem. Today I finally got a little eye-catching. It seems that it is necessary to take a rest in this line... Today, it seems that many errors of this type have been made .. In the past few days, I am working as a client, and the company's product management is moved from the server to Android. This error persists during development: Android. View. win

If you describe a project in a language that seems pale and powerless, I just let him see what he sees and what he sees is what he gets. As shown in: 1. The project diagram is as follows: 2. Add shrotcut as follows: 3. After the shortcut cut is added, home screen * (desktop) is as follows: After adding a shortcut to the desktop, you can directly return to home (desktop) when you want to run this program, and click this shortcut to run this program

In project development, we often need to dynamically add components, where there are two items to add: layouts and ComponentsWhere the added layout is mainly relativelayout (relative layout) and LinearLayout (linear layout)The components you add are mainly text boxes, edit boxes, buttons, and so on.Below, let's implement:First we create a new project, delete the

ringtone for the KK version of Music, continue with the following modifications:1. Add the following code at the beginning of the Musicutils.java:Import java.util.List;Import Android.provider.Telephony.SIMInfo;2. Confirm that the library of Telephony-common is added to the android.mk of music:Local_java_libraries + = mediatek-framework \Telephony-common3, add the following method in Mediatek\frameworks\bas

First, Address Book introduction The Address Book is an application of the Android phone, it is a contentprovider application, other applications can access the Address book, the contact person's crud operations. Second, the Address book database structure introduction First, we can find the Contacts2.db file in File Explorer view, which is the file in the Address Book. Then, we open with SQLite, analyze its database structure: raw_contacts table: d

Currently, there are two ways to know: 1, customize a view as a separator line, 2, use a higher version of the separator line propertiesOne, in the need to add a divider line, add a view, such as Imageview,textview, etc. can be, such as code, the key is to set the height is small, the width of the appropriate ImageView Android:layout_width = "Fill_parent" android:layout_height= "1DP"

uses different encoding tools than Java. ndk uses icu4c as the encoding tool, and the source code directory is external \ icu4c. Support for Persian encoding is added to external \ icu4c \ stubdata \ Android. mk by default. Therefore, you do not need to modify the code. You need to modify the 2.3 system. # Build configuration: # 'all' except des all ICU's locale data, but is currently missing some Android