screenshots saved android

Address: http://blog.csdn.net/ariesjzj/article/details/8528212 The content of the android simulator is rendered using OpenGL, so the normal programming (such as printwindow () will be a black screen. This is because the painting is placed in framebuffer. One way is to use ADB to reverse the guest framebuffer data/dev/graphics/fb0 to the host and convert it into an image. However, this process is slow. Fortunately, in the

The content of the android simulator is rendered using OpenGL, so the normal programming (such as printwindow () will be a black screen. This is because the painting is placed in framebuffer. One way is to use ADB to reverse the guest framebuffer data/dev/graphics/fb0 to the host and convert it into an image. However, this process is slow. Fortunately, in the android simulator, the guest framebuffer is

1, get the address of the saved fileprivate static final String image_file_location = environment.getexternalstoragedirectory () + "/temp.jpg";p rivate Uri Imageuri;imageuri = Uri.fromfile (new File (image_file_location));2. Click events for photo albums and photo buttons Album Imageviewlocalphoto.setonclicklistener (New Onclicklistener () {public void OnClick (View v) {Intent Intent = new Inten T (intent.action_get_content, NULL); Inte

/*** Get and save the current screen */private void GetandSaveCurrentImage () {// 1. construct Bitmap WindowManager windowManager = getWindowManager (); Display display = windowManager. getdefadisplay display (); int w = display. getWidth (); int h = display. getHeight (); Bitmap Bmp = Bitmap. createBitmap (w, h, Config. ARGB_8888); // 2. obtain the screen View decorview = this. getWindow (). getDecorView (); decorview. setDrawingCacheEnabled (true); Bmp = dec Orview. getDrawingCache (); String

React native pictures saved to a local album (iOS Android) one, requirements analysis 1,react native Save the network image to the album, iOS can be used with RN cameraroll perfect solution, but the Android side does not support to save pictures from the network. 2, save only one picture to the local album (such as generated invitation card payment code, etc.)Two

This article describes the Android programming implementation of hand-painted and saved as a picture of the method. Share to everyone for your reference, specific as follows: Run Effect Chart preview: Should be yzuo_08 required to do this demo, with the previous tablet demo is different from the canvas can be saved as a picture of the content. Attach Key cod

First, demand analysisRecently the computer needs to connect WiFi, but found the WiFi password to forget. And the phone has saved the WiFi password, but in the phone's settings screen can not see.Although there are already some apps that can see the WiFi password, the main worry is that the passwords will be uploaded to the background by those apps. or write yourself a more assured. and using the app to see just a click, it is more convenient than dir

Draw a very ugly robot... Add the key code: MainView. java 001Package com. tszy. views;002003Import java. io. File;004Import java. io. FileNotFoundException;005Import java. io. FileOutputStream;006Import java. io. IOException;007008Import android. content. Context;009Import android. graphics. Bitmap;010Import android. graphics. Bitmap. CompressFormat;011Import

[Android] how to save a view as an image and solve the problem of changing the background of the saved image to black, Code: Public class MainActivity extends Activity {ImageView imgView; @ Overrideprotected void onCreate (Bundle savedInstanceState) {super. onCreate (savedInstanceState); setContentView (R. layout. activity_main); imgView = (ImageView) findViewById (R. id. imageView); imgView. setDrawingCac

ObjectiveTouch Android for a long time want to compile a set of their own system, the removal of unnecessary components, and then brush to the phone, as the saying goes, "often in the river Walk, which have not wet shoes." Sure enough, brush their own compiled system mobile phone changed brick, the specific situation is not open, long press the power button is not reflected. Toss a few days finally put the brick machine again

The sharedpreferences object allows you to save data of the "key-Value Pair" type, such as user ID, birthday, gender, and ID card number. However, sometimes you need to use a traditional file system to store data. For example, you may want to save an article, which will be displayed in your application. In the Android system, you can also use the java. Io package to implement this function. In the Android s

1. Use NV21 format Yuvimage class for saving very high efficiency String FileName = "Img_" + string.valueof (Index) + ". jpg"; File sdroot = Environment.getexternalstoragedirectory (); String dir = "/picture/"; File MkDir = new file (Sdroot, dir), if (!mkdir.exists ()) {mkdir.mkdirs ();} File PictureFile = new file (sdroot, dir + fileName), if (!picturefile.exists ()) {try {picturefile.createnewfile () ; FileOutputStream Filecon = new FileOutputStream (picturefile); Yuvimage im

1. Save to SD card:Get the status of SDcard:Environment.getextemalstoragestate ()Environment.media_mounted mobile phone is equipped with sdcard and can read and writeGet the directory of SDcard: Environment.getextemalstoragedirectory ()//=============================================File Savefile=new file ("/sdcard/zhzhg.txt");Or: File Sdcarddir=new file ("/sdcard");//get SD card DirectoryFile SaveFile = new file (Sdcarddir, "zhzhg.txt");FileOutputStream OutStream = new FileOutputStream (saveFile

Today, I have been struggling for a long time. I use the Android api:[Java]Bitmap bitmap = imageMap. get (url );MediaStore. Images. Media. insertImage (getContentResolver (), bitmap, "myPhoto ","");Save the bitmap to the system album. The saved image cannot be found until the album is opened. However, after restarting the phone, you can find it in the album. After the study, we found that you need to refres

) { Super.onpostexecute (Result); Message message=new Message (); message.what=0x123; Handler.sendmessage (message); } } /** * Save Bitmap to Local * @param bitmap * @param path Local * @return void */ public void Savaimage (Bitmap Bitmap, String path) { File file=new file (path); FileOutputStream fileoutputstream=null; //folder does not exist, it is created if (!file.exists ()) { File.mkdir (); } try { fileoutputstrea

1. Overriding the Onsaveinstancestate methodprotected void onsaveinstancestate (Bundle outstate) {Super. Onsaveinstancestate (outstate);}2, in the OnCreate method to determine whether the (Bundle savedinstancestate) object is empty Public void onCreate (Bundle savedinstancestate) {Determine if Savedinstancestate is empty.If it's not empty, remove it.Super. OnCreate (savedinstancestate);}The activity in Android is