android-gallery

问题 In my application I have to capture image from camera or import from gallery, show it in imageview in activity. Everything is fine, I am getting image from both and able to set it on imageview without any exception. But sometimes image is not getting scaled properly and gets vertically stretched or with orientation changed. Please help me out. Here is my code to decode image referred from official android documentation: public static Bitmap decodeSampledBitmapFromResource(File photoFile, int

问题 I'm using Gallery3D (froyo-stable) I'm trying to make a little app that displays only images from a specific folder in a gallery view. Uri targetUri = Media.EXTERNAL_CONTENT_URI; String folderPath = Environment.getExternalStorageDirectory().toString() + "/DCIM/"; int folderBucketId = folderPath.toLowerCase().hashCode(); targetUri = targetUri.buildUpon().appendQueryParameter("bucketId", String.valueOf(folderBucketId)).build(); In initializeDataSource() // Creating the DataSource objects. final

问题 I can open the gallery with this code, Intent intent = new Intent(Intent.ACTION_PICK); intent.setType("video/*"); intent.setAction(Intent.ACTION_GET_CONTENT); startActivityForResult(Intent.createChooser(intent, "Select Video"), PICK_VIDEO_REQUEST ); It works well on a Samsung Galaxy S5. But in some phones, images are displayed along with videos. What changes do I need to do to the code to open the gallery to display only videos? How can I get the real path of the selected video when the

问题 I need to get an image from the gallery on a button click and show it into the imageview. I am doing it in the following way: btn_image_button.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { getImageFromAlbum(); } }); The method Definition is as: private void getImageFromAlbum(){ try{ Intent i = new Intent(Intent.ACTION_PICK, android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI); startActivityForResult(i, RESULT_LOAD_IMAGE); }catch(Exception

问题 My app has ability to select photo from library. Exactly I want file path from this selection. This is the code to create intent for selecting photo: Intent photoPickerIntent = new Intent(Intent.ACTION_PICK, MediaStore.Images.Media.EXTERNAL_CONTENT_URI); photoPickerIntent.setType("image/*"); startActivityForResult(photoPickerIntent, INTENT_REQUEST_CODE_SELECT_PHOTO); This is the code that gets file path from URI: Cursor cursor = null; String path = null; try { String[] projection = {

问题 My app has ability to select photo from library. Exactly I want file path from this selection. This is the code to create intent for selecting photo: Intent photoPickerIntent = new Intent(Intent.ACTION_PICK, MediaStore.Images.Media.EXTERNAL_CONTENT_URI); photoPickerIntent.setType("image/*"); startActivityForResult(photoPickerIntent, INTENT_REQUEST_CODE_SELECT_PHOTO); This is the code that gets file path from URI: Cursor cursor = null; String path = null; try { String[] projection = {

问题 I'm using following code to open a gallery inside of my app Intent intent = new Intent(Intent.ACTION_GET_CONTENT); intent.setType("image/*"); startActivityForResult(intent, FIND_RESULT); Is it possible to limit a list of images to only show images taken by camera? Viewing Gallery on my 2.1 system, images are grouped so there has to be a parameter that defines to which folder it belongs. Checking the MediaStore.Images.ImageColumns I did not a find any column that would define such thing. Could

问题 I used this code to send notification. public static void sendNotificationPhoto(Context context, Class<?> activityTarget) { Log.i( TAG , "Send Photo Notification"); NotificationManager mNotificationManager = (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE); Notification notifyDetails = new Notification(R.drawable.ic_plusone_standard_off_client, "New Alert!", System.currentTimeMillis()); Intent intent = new Intent(context, activityTarget); int id = NOTIFICATION_ID

问题 I need to listen to new images that comes from any source like downloading images, capture new images, other apps download images..etc Is there any listener that will trigger event whenever new photos is added to gallery? I have been searching for two days. I could not get anything solid. I read about FileObserver , will that help? 回答1: new photos arrives to gallery means it has been added to the MediaStore . First of all, FileOberver is a memory-killer approach. Consider a high volume of

问题 I have an image view in android and on that image view i have another image view.. Both image views contain two different images.. Now i want to save it as a single JPG image in my phone gallery.. So how can i do that?? I tried some code but it is not working. Here is my code. XML File: <ImageView android:id="@+id/innerImage" android:layout_width="300dp" android:layout_height="230dp" android:layout_centerInParent="true" android:layout_centerVertical="true" android:contentDescription="@android