我想用我的相机拍照。我只需要他们时间,所以我下面的:相机结果始终返回RESULT_CANCELED
private void takePicture() {
Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
if (intent.resolveActivity(this.getActivity().getPackageManager()) != null) {
try {
this.imageFile = File.createTempFile("CROP_SHOT", ".jpg", this.getActivity().getCacheDir());
intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(this.imageFile));
intent.putExtra(MediaStore.EXTRA_VIDEO_QUALITY, 1);
this.startActivityForResult(intent, Globals.REQUEST_TAKE_PHOTO);
} catch (IOException e) {
e.printStackTrace();
}
}
}
不幸的是,结果代码RESULT_CANCELED
我onActivityResult
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
Log.v("PictureEdit", "onActivityResult");
super.onActivityResult(requestCode, resultCode, data);
if(resultCode == Activity.RESULT_OK) {
if(requestCode == Globals.REQUEST_TAKE_PHOTO) {
Log.v("PictureEdit", "onActivityResult take photo");
this.startCropImage(Uri.fromFile(this.imageFile));
} else if (requestCode == Globals.REQUEST_PICK_PHOTO) {
Log.v("PictureEdit", "onActivityResult pick photo");
this.startCropImage(data.getData());
} else if (requestCode == Globals.REQUEST_CROP_PHOTO) {
Log.v("PictureEdit", "onActivityResult crop photo");
this.imageEncoded = data.getStringExtra(Globals.KEY_IMAGE_ENCODED);
this.imageView.setImageBitmap(Images.decodeImage(imageEncoded));
this.buttonSave.setEnabled(true);
} else {
Log.v("PictureEdit", "onActivityResult requestCode: " + requestCode + ", result: " + resultCode);
}
} else {
Log.v("PictureEdit", "onActivityResult resultCode is not ok: " + resultCode);
}
}
每一个解决方案,我发现到目前为止的计算器,并在网上并没有解决我的问题。我用的是缓存目录创建一个临时文件:
File.createTempFile("CROP_SHOT", ".jpg", this.getActivity().getCacheDir());
,我有正确的权限:
<uses-permission android:name="android.permission.CAMERA" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.READ_PHONE_STATE" />
<uses-permission android:name="android.permission.INTERNET" />
采摘从我的智能手机的图像始终正常工作:
private void pickPicture() {
Intent intent = new Intent(Intent.ACTION_PICK, android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
this.startActivityForResult(intent, Globals.REQUEST_PICK_PHOTO);
}
那么,为什么相机是否总是返回RESULT_CANCELED
?
它出现在搭载Android 6.0的Nexus 4和搭载Android 4.2的三星Galaxy S III上。
很大。 thx为这里所有的知识。 – Mulgard
同意不应创建新文件。不知道为什么谷歌培训文档创建一个临时文件,然后创建相机应用程序将通过FileProvider使用的URI。 https://developer.android.com/training/camera/photobasics.html#TaskCaptureIntent – vman
只是简单地实例化一个文件指向外部缓存目录没有帮助。当我们点击使用图片时,凸轮不响应。 – Debdeep