android相册路径地址,Android拍照和相册获取图片路径

╰半夏微凉° 2022-10-17 13:49 310阅读 0赞

/\*\*

\*调用系统相机

\*/

public voidstartCamera() \{

Intent intent =newIntent(MediaStore.ACTION\_IMAGE\_CAPTURE);

picPath= Contants.PicCachePath+ System.currentTimeMillis() +".jpg";

//加载路径

Uri uri = Uri.fromFile(newFile(picPath));

//指定存储路径，这样就可以保存原图了

intent.putExtra(MediaStore.EXTRA\_OUTPUT,uri);

//拍照返回图片

startActivityForResult(intent,CAMERA\_QUERY\_CODE);

/\*\*

\*调用相册

\*/

public voidstartPhotos() \{

Intent intent =newIntent(Intent.ACTION\_PICK,

android.provider.MediaStore.Images.Media.EXTERNAL\_CONTENT\_URI);

intent.setDataAndType(MediaStore.Images.Media.EXTERNAL\_CONTENT\_URI,"image/\*");

Intent wrapperIntent = Intent.createChooser(intent, null);

try\{

startActivityForResult(wrapperIntent,PHOTOS\_QUERY\_CODE);

\}catch(android.content.ActivityNotFoundException e1) \{

e1.printStackTrace();

ToastAlone.showToast(this,"打开手机相册失败！",Toast.LENGTH\_LONG);

@Override

protected voidonActivityResult(intrequestCode, intresultCode,Intent data) \{

super.onActivityResult(requestCode,resultCode,data);

if(CAMERA\_QUERY\_CODE== requestCode) \{

FileInputStream inputStream =null;

try\{

inputStream =newFileInputStream(picPath);

//把流解析成bitmap

imagePicBitmap= BitmapFactory.decodeStream(inputStream);

imagePicBitmap=rotateBitmapByDegree(imagePicBitmap,getBitmapDegree(picPath));

//设置图片

if(null!=imagePicBitmap&& !imagePicBitmap.isRecycled()) \{

saveImage(imagePicBitmap,2);

if(listBitmaps.size() >0) \{

listBitmaps.add(Utils.comp(imagePicBitmap));

if(null!=touTiaoPictureAdapter) \{

touTiaoPictureAdapter.notifyDataSetChanged();

\}else\{

touTiaoPictureAdapter=newTouTiaoPictureAdapter(this,listBitmaps);

recyclerView.setAdapter(touTiaoPictureAdapter);

\}catch(Exception e) \{

//TODO Auto-generated catch block

e.printStackTrace();

\}finally\{

if(null!=imagePicBitmap&& !imagePicBitmap.isRecycled()) \{

imagePicBitmap.recycle();

//调用相册返回

if(PHOTOS\_QUERY\_CODE== requestCode && resultCode ==RESULT\_OK&&null!= data) \{

//根据URI获取图片路径

picPath= Contants.PicCachePath+ System.currentTimeMillis() +".jpg";

try\{

Uri selectedImage = data.getData();

String\[\] filePathColumns = \{

MediaStore.Images.Media.DATA

\};

ContentResolver resolver = getContentResolver();

imagePicBitmap= MediaStore.Images.Media.getBitmap(resolver,selectedImage);

if(null!=imagePicBitmap&& !imagePicBitmap.isRecycled()) \{

String picturepath= UriUtils.getPath(this,selectedImage);

imagePicBitmap=rotateBitmapByDegree(imagePicBitmap,getBitmapDegree(picturepath));

saveImage(imagePicBitmap,2);

if(listBitmaps.size() >0) \{

listBitmaps.add(Utils.comp(imagePicBitmap));

if(null!=touTiaoPictureAdapter) \{

touTiaoPictureAdapter.notifyDataSetChanged();

\}else\{

touTiaoPictureAdapter=newTouTiaoPictureAdapter(this,listBitmaps);

recyclerView.setAdapter(touTiaoPictureAdapter);

\}else\{

Cursor cursor =this.getContentResolver().query(selectedImage,filePathColumns,

null, null, null);

if(null!= cursor && cursor.getCount() >0) \{

cursor.moveToFirst();

intcolumnIndex = cursor.getColumnIndex(filePathColumns\[0\]);

//获取图片路径

String picturePath = cursor.getString(columnIndex);

cursor.close();

imagePicBitmap= ImageLoader.getInstance().loadImageSync("file://"+ picturePath);

imagePicBitmap=rotateBitmapByDegree(imagePicBitmap,getBitmapDegree(picturePath));

if(listBitmaps.size() >0) \{

listBitmaps.add(imagePicBitmap);

if(null!=touTiaoPictureAdapter) \{

touTiaoPictureAdapter.notifyDataSetChanged();

\}else\{

touTiaoPictureAdapter=newTouTiaoPictureAdapter(this,listBitmaps);

recyclerView.setAdapter(touTiaoPictureAdapter);

picPath= picturePath;

saveImage(imagePicBitmap,2);

\}else\{

ToastAlone.showToast(this,"选择图片失败",

Toast.LENGTH\_LONG);

\}catch(Exception e) \{

e.printStackTrace();

ToastAlone.showToast(this,"选择图片失败",Toast.LENGTH\_LONG);

三星手机图片旋转问题：

/\*\*

\*读取图片的旋转的角度

\*@parampath图片绝对路径

\*@return图片的旋转角度

\*/

private intgetBitmapDegree(String path) \{

intdegree =0;

try\{

//从指定路径下读取图片，并获取其EXIF信息

ExifInterface exifInterface =newExifInterface(path);

//获取图片的旋转信息

intorientation = exifInterface.getAttributeInt(ExifInterface.TAG\_ORIENTATION,

ExifInterface.ORIENTATION\_NORMAL);

switch(orientation) \{

caseExifInterface.ORIENTATION\_ROTATE\_90:

degree =90;

break;

caseExifInterface.ORIENTATION\_ROTATE\_180:

degree =180;

break;

caseExifInterface.ORIENTATION\_ROTATE\_270:

degree =270;

break;

\}catch(IOException e) \{

e.printStackTrace();

returndegree;

/\*\*

\*将图片按照某个角度进行旋转

\*@parambm

\*需要旋转的图片

\*@paramdegree

\*旋转角度

\*@return旋转后的图片

\*/

public staticBitmaprotateBitmapByDegree(Bitmap bm, intdegree) \{

Bitmap returnBm =null;

//根据旋转角度，生成旋转矩阵

Matrix matrix =newMatrix();

matrix.postRotate(degree);

try\{

//将原始图片按照旋转矩阵进行旋转，并得到新的图片

returnBm = Bitmap.createBitmap(bm,0,0,bm.getWidth(),bm.getHeight(),matrix, true);

\}catch(OutOfMemoryError e) \{

if(returnBm ==null) \{

returnBm = bm;

if(bm != returnBm) \{

bm.recycle();

returnreturnBm;

android相册路径地址,Android拍照和相册获取图片路径

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