android-image

问题 I am doing a app on images to show them in GridView, i am fetching 20 images from server. Resolution of the each image is 720*540.I used JSON parsing to fetch url and used below code to convert into Bitmap in order to set images. public static Bitmap loadImageFromUrl(String url) { InputStream inputStream;Bitmap b; try { inputStream = (InputStream) new URL(url).getContent(); BitmapFactory.Options bpo= new BitmapFactory.Options(); if(bpo.outWidth>500) { bpo.inSampleSize=8; b=BitmapFactory

问题 I want to show a photo in android gallery, and be able to slide throw the others photos on that folder. Intent intent = new Intent(Intent.ACTION_VIEW); File f = new File(path); intent.setDataAndType(Uri.parse("file://" + f.getAbsolutePath()), "image/*"); mContext.startActivity(intent); thats how i am doing it now, but wont let me slide throw the rest of the images in the folder. i tried: How to open one particular folder from gallery in android? Built-in gallery in specific folder Gallery

问题 I want to show a photo in android gallery, and be able to slide throw the others photos on that folder. Intent intent = new Intent(Intent.ACTION_VIEW); File f = new File(path); intent.setDataAndType(Uri.parse("file://" + f.getAbsolutePath()), "image/*"); mContext.startActivity(intent); thats how i am doing it now, but wont let me slide throw the rest of the images in the folder. i tried: How to open one particular folder from gallery in android? Built-in gallery in specific folder Gallery

问题 I want to save image using my developed app into mobile what is the best way to it. I was trying to save via sqlite but is there any other options? 回答1: The recommended way is to store the image as a file not in the database and then store the path or enough of the path to uniquely identify the image in the database. To store an image you have to store it as a BLOB based upon a byte[] (byte array); However, using the Android SDK, there is a limitation that only images less than 2MB can be

问题 I want to save image using my developed app into mobile what is the best way to it. I was trying to save via sqlite but is there any other options? 回答1: The recommended way is to store the image as a file not in the database and then store the path or enough of the path to uniquely identify the image in the database. To store an image you have to store it as a BLOB based upon a byte[] (byte array); However, using the Android SDK, there is a limitation that only images less than 2MB can be

问题 I want to save image using my developed app into mobile what is the best way to it. I was trying to save via sqlite but is there any other options? 回答1: The recommended way is to store the image as a file not in the database and then store the path or enough of the path to uniquely identify the image in the database. To store an image you have to store it as a BLOB based upon a byte[] (byte array); However, using the Android SDK, there is a limitation that only images less than 2MB can be

问题 in my app i am taking screenshot of the current screen and save it in sdcard. but in the case screenshot is not saved in sdcard. how to take screen shot and send the captured screen shot in email as attachment. please help me. my coding: View v1 = view.getRootView(); v1.setDrawingCacheEnabled(true); Bitmap bm = v1.getDrawingCache(); try { System.out.println("path "+Environment.getExternalStorageDirectory()); FileOutputStream out = new FileOutputStream(Environment.getExternalStorageDirectory()

问题 I am new to android and now i'm building an android app to encrypt and hide the data,as part of my mini project.Could you please tell me the code to encrypt and decrypt tha images in android using AES algorithm..?? 回答1: You can use the following methods to Encrypt or Decrypt media files such as video or images -- public class Encrypter { private final static int DEFAULT_READ_WRITE_BLOCK_BUFFER_SIZE = 1024; private final static String ALGO_VIDEO_ENCRYPTOR = "AES/CBC/PKCS5Padding";

问题 I am new to android and now i'm building an android app to encrypt and hide the data,as part of my mini project.Could you please tell me the code to encrypt and decrypt tha images in android using AES algorithm..?? 回答1: You can use the following methods to Encrypt or Decrypt media files such as video or images -- public class Encrypter { private final static int DEFAULT_READ_WRITE_BLOCK_BUFFER_SIZE = 1024; private final static String ALGO_VIDEO_ENCRYPTOR = "AES/CBC/PKCS5Padding";

来源： https://stackoverflow.com/questions/18417512/how-to-change-image-of-homeasupindicator-in-default-theme-theme-holo-light