Android Camera, Atlas Demo_android

This article for you to share the Android camera, Atlas Basic demo, for your reference, the specific content as follows

Package Com.example.democamera;
Import Java.io.File;
Import java.io.FileNotFoundException;
Import java.io.IOException;
Import Android.net.Uri;
Import Android.os.Bundle;
Import android.os.Environment;
Import Android.provider.MediaStore;
Import android.app.Activity;
Import Android.content.Context;
Import android.content.Intent;
Import android.content.res.Configuration;
Import Android.database.Cursor;
Import Android.graphics.Bitmap;
Import Android.graphics.BitmapFactory;
Import Android.view.View;
 
Import Android.widget.ImageView;
  public class Mainactivity extends activity {private ImageView IV;
 
  static final int gallery = 1, camera = 2;
    @Override protected void OnCreate (Bundle savedinstancestate) {super.oncreate (savedinstancestate);
 
    Setcontentview (R.layout.activity_main);
  IV = (ImageView) Findviewbyid (r.id.iv_picture); /** * Start Picture Gallery * * @param view */public void startgallery (view view) {Intent Intent = new Intent (
    ); Intent.setAction (intent.action_get_content);
    Intent.settype ("image/*");
 
  Startactivityforresult (Intent, gallery); /** * Boot Camera * * @param view/public void Startcamera (view view) {Intent Intent = new Intent (Med
 
    Iastore.action_image_capture); if (Issdexsit ()) {/* Create a store Picture folder */File dir = new file (environment.getexternalstoragedirectory () + "
      /my ");
      if (!dir.exists ()) dir.mkdirs ();
      /* Set picture parameters to get the original size of the picture * * File = new file (dir, "aaa.jpg");
      Intent.putextra (Mediastore.extra_screen_orientation, configuration.orientation_undefined);
    Intent.putextra (Mediastore.extra_output, Uri.fromfile (file));
 
  } startactivityforresult (Intent, camera); @Override protected void Onactivityresult (int requestcode, int resultcode, Intent data) {//TODO Auto-generat
 
    Ed method Stub Super.onactivityresult (Requestcode, ResultCode, data);
    Switch (requestcode) {Case GALLERY:  /* Make a judgment to prevent return error * */if (data!= null) {/* Three ways to process URI/URI uri = Data.getdata ();
 
        Iv.setimageuri (URI);
        Bitmap Bitmap = bitmapfactory. DecodeFile (Getpathbyuri (URI, this));
 
        Iv.setimagebitmap (bitmap);
        Bitmap bitmap2 = Getbitmapbyuri (URI, this);
      Iv.setimagebitmap (BITMAP2);
 
    } break;
        Case CAMERA:IF (data!= null) {//This is the method for obtaining thumbnails Bitmap B = (Bitmap) Data.getextras (). Get ("data");
 
      Iv.setimagebitmap (b);
        else {//has SD card to get picture original Bitmap Bitmap = Bitmapfactory.decodefile ("sdcard/my/aaa.jpg");//Direct This will have the risk of Oom, demo simple so deal with
      Iv.setimagebitmap (bitmap);
    } break;
    Default:break; }/** * Uri-->bitmap * * @param Uri * @param context * @return/public static Bitmap G
    Etbitmapbyuri (URI URI, context context) {Bitmap Bitmap = null; try {bitmap = MediaStore.Images.Media.getBitmaP (Context.getcontentresolver (), URI);
    catch (FileNotFoundException e) {//TODO auto-generated catch block E.printstacktrace ();
    catch (IOException e) {//TODO auto-generated catch block E.printstacktrace ();
  return bitmap; /** * URI--->path * * @param URI * @param context * @return/public static String GETPATHB
 
    YUri (URI URI, context context) {String path = null;
    string[] projection = {MediaStore.Images.Media.DATA};
    Cursor Cursor = Context.getcontentresolver (). Query (URI, projection, NULL, NULL, NULL);
      if (Cursor.movetofirst ()) {int index = cursor. Getcolumnindexorthrow (MediaStore.Images.Media.DATA);
    Path = cursor.getstring (index);
 
  return path; /** * To determine if the SD card exists * * @return/public static Boolean issdexsit () {if Environment.getexternalsto Ragestate (). Equals (environment.media_mounted)) {RetuRN true;
    else {return false; }
  }
 
}

Share the implementation code for specific Android calling cameras, open albums, and crop pictures below

Private ImageView Iv_user_photo;
  Private String FileName = "";
  Private File tempfile;
  private int crop = 300;//cropping size private static final int open_camera_code = 10;
  private static final int open_gallery_code = 11;


  private static final int crop_photo_code = 12;
      Private Onclicklistener Popupwindowitemonclick = new Onclicklistener () {@Override public void OnClick (View v) {
      Menuwindow.dismiss ();
        Switch (V.getid ()) {//Photo case r.id.btn_camera:initfile ();
        Opencamera ();
      Break
        Photo Album case R.id.btn_gallery:initfile ();
        Opengallery ();
      Break
      Default:break;

  }
    }
  }; public void Initfile () {if (Filename.equals (")) {if (Fileutil.existsdcard ()) {String Path = Environmen
        T.getexternalstoragedirectory () + File.separator + "janubookingonline" + file.separator;
        Fileutil.mkdir (path);
        LOGGER.I ("Path:" + path); FileName = PatH + "user_head_photo.jpg";
      Tempfile = new File (fileName);
      else {commonuitl.toast (context, "Please insert SD card"); /** * Call camera/public void Opencamera () {Intent Intent = new Intent (mediastore.action_image_cap
    ture)//Open camera Intent.putextra ("Output", Uri.fromfile (Tempfile));
  Startactivityforresult (Intent, Open_camera_code); /** * Open album */public void Opengallery () {Intent Intent = new Intent (intent.action_pick);//Open album Inte
    Nt.setdataandtype (MediaStore.Images.Media.INTERNAL_CONTENT_URI, "image/*");
    Intent.putextra ("Output", Uri.fromfile (Tempfile));
  Startactivityforresult (Intent, Open_gallery_code); /** * Crop picture * @param uri/public void Cropphoto (Uri uri) {Intent Intent = new Intent ("com.android.ca
    Mera.action.CROP ");
    Intent.setdataandtype (URI, "image/*");
    Intent.putextra ("Output", Uri.fromfile (Tempfile));
    Intent.putextra ("Crop", true);
 Intent.putextra ("Aspectx", 1);   Intent.putextra ("Aspecty", 1);
    Intent.putextra ("Outputx", crop);
    Intent.putextra ("Outputy", crop);
  Startactivityforresult (Intent, Crop_photo_code);
      @Override protected void Onactivityresult (int requestcode, int resultcode, Intent data) {if (ResultCode = 1)

    Return
      Switch (requestcode) {case Open_camera_code:cropphoto (Uri.fromfile (tempfile));
    Break
      Case Open_gallery_code:cropphoto (Data.getdata ());
    Break
        Case Crop_photo_code:try {bitmapfactory.options Options = new Bitmapfactory.options ();
        Options.insamplesize = 2;

        Bitmap Bitmap = Bitmapfactory.decodefile (fileName, Options);
          if (bitmap!= null) {Iv_user_photo.setimagebitmap (bitmap);
        Commonuitl.sharedpreferences (context, Appconstants.user_photo, fileName);
      } catch (Exception e) {e.printstacktrace ();
    } break;
    Default:break; } super.onactivityResult (Requestcode, ResultCode, data);

 }

The above is about the Android camera, Atlas of the basic operating content, I hope to learn more about Android software programming help.