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);//requestcodeStartactivityforresult If you get the intent object right away many of the members are NULL } }); protected void onactivityresult (int requestcode, int resultcode, Intent data) { //TODO auto-generated method stub Super.onactivityresult (Requestcode, ResultCode, data); if (requestcode==intent_code_image_capture data! = NULL) { final ImageView Pimageview = (ImageView) Findviewbyid (R.ID.IMAGEVIEW1); Bundle pbundle = Data.getextras (); Gets the data from the intent object, if (pbund
Issue: Android Studio appears when compiling a project:Error: (12, 24) Warning: camera in [deprecation] android.hardware obsoleteFIX: (just let it not prompt)In the build.gradle of 1.app1 Android {2 ... 3 lintoptions { 4 false5 false6 7 }8 }2. Build.gradle in the root directoryallprojects { ... gradle.projectsevaluat
Android mobile phones have their own cameras and libraries. Our projects sometimes use uploading images to the server. Today we have a project that uses this function, so I recorded my code and shared it with you. For the first time I wrote a blog, I hope you will criticize me a lot.
First, the code for calling android album and camera is as follows:
Copy codeThe
There are two ways to implement a photo in Android, one is to call the system's own camera and then use the photo data it returns. Another one is to use the camera class and other related classes to achieve the camera function, this method of the system is relatively high, dyeing is also more complex, the general commo
This example for you to share the Android open camera and photo album specific code for your reference, the specific contents are as follows
Turn on the camera
/**
* Select camera
/private void Showcamera () {
//Jump to System camera
Intent camerainte
For your beauty camera Android version of the users of detailed analysis to share the steps to delete photos.
Steps to share:
After we have taken a photo of the beauty camera, we can see that the photo of the software prompts you to take the photos has been saved to the album. This photo album is the mobile phone photo application, and the usual mobile
If you want to implement the ability to take photos in your own app, first add the permissions to the Androidmanifest.xml file:android:name= "Android.permission.CAMERA"/> The way to start the camera is very simple, with intent access to Mediastore.action_image_captureNew1);Once photographed and confirmed, the activity's Onactivityresult method is called, where the image data can be obtained.Onactivityresult (intint resultcode, Intent data) { if (
(mcursor.movetonext ()) {//print log to view the value of the photo id long id = mcursor.getlong (mcurso R.getcolumnindex (mediastore.images.media._id)); LOG.I ("mediastore.images.media_id=", ID + ""); Filter out unwanted images, just get pictures of photos stored in the photo album after the picture String path = mcursor.getstring (Mcursor.getcolumnindex (MEDIASTORE.IMAGES.MEDIA.D ATA)); if (Path.startswith (Sdcardpath + "/Dcim/100media ") | | Path.
SetrecordinghintThis function is to improve the performance of Mediarecorder recording camera video.Problem:If this function is set to True, the preview screen on some phones is distorted, and there is no mention in the official Android documentThis change, the reason is unclear, for compatibility, had to comment out this function.Phones that are known to be faulty:MI 2, LG part phoneThen search this functi
boolean Oncreateoptionsmenu (Menu menu) {//Inflate the menu, this adds items to the action Bar If it is present. Getmenuinflater (). Inflate (R.menu.main, menu); return true; } @Override public boolean onoptionsitemselected (MenuItem Item) {//Handle Action Bar item clicks here. The action bar would//automatically handle clicks on the Home/up button, So long/As you specify a the parent activity in Androidmanifest.xml. int id = item.getitemid (); if (id = = r.id.act
Recently, the project has done, call the camera to take pictures to get the function.Use the previous code directly and find that there is a problem with Android7.0.After Android6.0, dynamic application permissions have become the norm.Call camera to take pictures of this feature, you need to dynamically request camera permissions, SD card read and Write permissi
Camera focusing: in principle, the vertical seekbar is used to obtain the distance based on the user's drag, and then set it to Camera in the form of Parameter.
OnSeekBarChangeListener
/*
* (Non-Javadoc)
*
* @ See
* Android. widget. SeekBar. OnSeekBarChangeListener # onProgressChanged (android
*. Widget. SeekBar
Call camera in Android to get pictures can be obtained in two ways, first of all by invoking system services to open the cameraIntent Intent = new Intent (mediastore.action_image_capture);Startactivityforresult (Intent,requestcode);The first method is to get the picture from the result returned by Startactivityforresult, as follows: if (RESULTCODE==RESULT_OK) { if (requestcode==req_1) { Bundle
(a) Call camera to save to the specified folder, Intent.putextra (file) to save the captured photos directly to the folderHowever, this method can not be used to shoot video, the same in the camera, if the path is passed, the screen card will be dead, while the incoming path will have an empty file, the file name is correct, but no data, and in the callback function Onactivityresult data is not empty, The p
( System.currenttimemillis ()) + ". jpg"); cameraintent.putextra ( Android.provider.mediastore.extra_output,muri); cameraintent.putextra (" Return-data ", true); sTartactivityforresult (cameraintent,1);} /*** gets the data returned by the camera */privatevoidgetimgfromcamera () { ContentResolvercr= This.getcontentresolver (); try{if (camerabitmap!=null) Camerabitmap.recycle ();// if not released, keep taking pictures, will not have enough memory
Android call camera, you can write an activity, assign the relevant parameters, open the front camera can be;To apply for the permission, add in Androidmanifest.xml: Main function, open front cameraPrivate Camera Openfrontfacingcameragingerbread () { int cameracount = 0;
; Compensate The Mirror} else {//back-facing result = (info.orientation-degrees + 360)% 360; } camera.setdisplayorientation (Result); }The method of dynamic acquisition is landscape (horizontal screen) or portrait (vertical screen) to change the preview map.(The cameraid of the rear screen is 0)2. The correct angle of image preservation (when we take the photo, we find that the angle is not correct)@Overridepublic void Onpicturetaken (byte[] data, came
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