image-gallery | 易学教程

How to implement Image Gallery in Gridview in android?

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问题 I have a requirement in that I want to implement an image gallery with a GridView. I tried using Hello gallery on the Android developer website. But the GridView doesn\'t work. 回答1: Use this XML for Layout : gallery.xml <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" android:background="@drawable/bg_child"> <FrameLayout android

How to get the Correct orientation of the image selected from the Default Image gallery

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问题 I have gone through some of the links to get the correct image orientation of the image selected from the default image gallery to be worked standard in all devices the exif tag always returns 0. EXIF orientation tag value always 0 for image taken with portrait camera app android Exif orientation tag returns 0 Exif data TAG_ORIENTATION always 0 http://mobisocial.stanford.edu/news/2011/08/rotating-images-in-android/ How to get an exact solution that will work on all devices? 回答1: If the image

Android get image from gallery into ImageView

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问题 I\'m trying to add a photo from galery to a ImageView but I get this error: java.lang.RuntimeException: Failure delivering result ResultInfo{who=null, request=1, result=-1, data=Intent { dat=content://media/external/images/media/1 }} to activity {hotMetter.pack/hotMetter.pack.GetPhoto}: java.lang.NullPointerException This is my code: Intent intent = new Intent(); intent.setType(\"image/*\"); intent.setAction(Intent.ACTION_GET_CONTENT); startActivityForResult(Intent.createChooser(intent,\

Select multiple images from android gallery

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问题 So basically what i am trying to achieve is opening the Gallery in Android and let the user select multiple images . Now this question has been asked frequently but i\'m not satisfied with the answers. Mainly because i found something interesting in de docs in my IDE (i come back on this later) and thereby i don\'t want to use a custom adapter but just the vanilla one. Now my code for selecting one image is: Intent intent = new Intent(); intent.setType(\"image/*\"); intent.setAction(Intent

android get real path by Uri.getPath()

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问题 I\'m trying to get image from gallery. Intent intent = new Intent(); intent.setType(\"image/*\"); intent.setAction(Intent.ACTION_GET_CONTENT); startActivityForResult(Intent.createChooser(intent, \"Select picture\"), resultCode ); After I returned from this activity I have a data, which contains Uri. It looks like: content://media/external/images/1 How can I convert this path to real one (just like \' /sdcard/image.png \') ? Thanks 回答1: Is it really necessary for you to get a physical path?

android get real path by Uri.getPath()

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I'm trying to get image from gallery. Intent intent = new Intent(); intent.setType("image/*"); intent.setAction(Intent.ACTION_GET_CONTENT); startActivityForResult(Intent.createChooser(intent, "Select picture"), resultCode ); After I returned from this activity I have a data, which contains Uri. It looks like: content://media/external/images/1 How can I convert this path to real one (just like ' /sdcard/image.png ') ? Thanks molnarm Is it really necessary for you to get a physical path? For example, ImageView.setImageURI() and ContentResolver.openInputStream() allow you to access the contents