Android的 - 通过发送意向形象 [英] android - sending image via intent
问题描述
请参照<一个href=\"http://developer.android.com/reference/android/support/v4/content/FileProvider.html#Permissions\"相对=nofollow>许可的部分页面。
我有具有以下的第一个应用程序:
I have the first app which has the following :
File imagePath = new File(getApplicationContext().getFilesDir(), "images");
File newFile = new File(imagePath, "earth.jpg");
Uri contentUri = FileProvider.getUriForFile(getApplicationContext(),
"com.android.provider.DataSharing", newFile);
getApplicationContext().grantUriPermission("com.android.datasharing_2.app", contentUri, Intent.FLAG_GRANT_READ_URI_PERMISSION);
Intent i = new Intent();
i.setAction(Intent.ACTION_SEND);
i.putExtra(Intent.EXTRA_STREAM, contentUri);
i.setType("image/jpg");
startActivity(i);
在清单:
<provider
android:name="android.support.v4.content.FileProvider"
android:authorities="com.android.provider.DataSharing"
android:exported="false"
android:grantUriPermissions="true">
<meta-data
android:name="android.support.FILE_PROVIDER_PATHS"
android:resource="@xml/paths"/>
</provider>
在接收应用程序(com.android.datasharing_2.app):
In the receiving app (com.android.datasharing_2.app) :
Uri imageUri = (Uri) intent.getParcelableExtra(Intent.EXTRA_STREAM);
if (imageUri != null){
ImageView iv = (ImageView) findViewById(R.id.imageView);
iv.setImageURI(imageUri);
}
我得到了登录以下消息接收应用程序:
I get the following message in Log in receiving app:
resolveUri failed on bad bitmap uri: content://com.android.provider.DataSharing/my_images/earth.jpg
java.io.FileNotFoundException: No such file or directory
at android.database.DatabaseUtils.readExceptionWithFileNotFoundExceptionFromParcel(DatabaseUtils.java:146)
at android.content.ContentProviderProxy.openTypedAssetFile(ContentProviderNative.java:682)
at android.content.ContentResolver.openTypedAssetFileDescriptor(ContentResolver.java:1063)
at android.content.ContentResolver.openAssetFileDescriptor(ContentResolver.java:904)
at android.content.ContentResolver.openInputStream(ContentResolver.java:629)
at android.widget.ImageView.resolveUri(ImageView.java:659)
at android.widget.ImageView.setImageURI(ImageView.java:399)
我使用的是Genymotion VM测试。我的文件'earth.jpg推到图像文件夹使用亚行和可以在那里看到了。
I am testing using the Genymotion VM. I push the file 'earth.jpg' to the images folder using adb and can see it there.
我如何解决此问题?
推荐答案
的问题是与图像的位置。要使用文件路径
,需要把文件的文件/目录下。所以,我的images /目录应该已经在那里,与推文件时间:
The problem was with the location of the image. To use files-path
, one needs to put files under files/ directory. So my images/ directory should have been under there, with the pushed file at :
app-dir-path/files/images/earth.jpg
这篇关于Android的 - 通过发送意向形象的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!