使用相机意图获取拍摄图像的路径机器人 [英] Getting path of captured image in android using camera intent
问题描述
我一直在试图让以删除图像拍摄图像的路径,发现了许多答案的计算器,但他们都不是为我工作,我得到了以下的答案
私人字符串getLastImagePath(){
最终的String [] imageColumns = {MediaStore.Images.Media._ID,
MediaStore.Images.Media.DATA};
最后弦乐imageOrderBy = MediaStore.Images.Media._ID +DESC;
光标imageCursor = POS.this.getContentResolver()查询(
MediaStore.Images.Media.EXTERNAL_CONTENT_URI,imageColumns,
NULL,NULL,imageOrderBy);
如果(imageCursor.moveToFirst()){
// INT ID = imageCursor.getInt(imageCursor
// .getColumnIndex(MediaStore.Images.Media._ID));
字符串FULLPATH = imageCursor.getString(imageCursor
.getColumnIndex(MediaStore.Images.Media.DATA));
返回完整路径;
} 其他 {
返回 ;
}
}
但这code工作在三星的标签,但在联想的标签和i-球标签不起作用。 因此,谁能帮助我找到其他的解决办法,以做? 任何帮助将AP preciated。谢谢你。
这是我的onActivityResult
如果(要求code == CmsInter.CAMERA_REQUEST和放大器;&安培;结果code == RESULT_OK){
//位图的照片= NULL;
//照片=(位图)data.getExtras()获得(数据);
字符串的txt =;
如果(我!= NULL){
字符串结果=;
//im.setImageBitmap(photo);
im.setTag(2);
INT指数= im.getId();
字符串路径= getLastImagePath();
尝试 {
bitmap1 = BitmapFactory.de codeFILE(路径选择);
位图=位图
.createScaledBitmap(bitmap1,512,400,FALSE);
ByteArrayOutputStream BAOS =新ByteArrayOutputStream();
bitmap.com preSS(Bitmap.Com pressFormat.PNG,100,BAOS);
byte []的bytData = baos.toByteArray();
尝试 {
baos.close();
}赶上(IOException异常E){
e.printStackTrace();
}
结果= Base64.en code(bytData);
bytData = NULL;
}赶上(OutOfMemoryError错误OOM){
的System.out.println(内存不足异常----->中+ OOM);
bitmap1.recycle();
bitmap.recycle();
} 最后 {
bitmap1.recycle();
bitmap.recycle();
}
}
试试这样
像下面
通行证相机意向 意向意图=新的意图(本);
startActivityForResult(意向,REQ_CAMERA_IMAGE);
和捕捉图像后写的 OnActivityResult
如下
保护无效onActivityResult(INT申请code,INT结果code,意图数据){
如果(要求code == CAMERA_REQUEST和放大器;&安培;结果code == RESULT_OK){
。位图照片=(位图)data.getExtras()获得(数据);
imageView.setImageBitmap(照片);
knop.setVisibility(Button.VISIBLE);
//调用这个方法来得到URI从位图
乌里tempUri = getImageUri(getApplicationContext(),照片);
//调用此方法来获得实际的路径
文件finalFile =新的文件(getRealPathFromURI(tempUri));
的System.out.println(mImageCaptureUri);
}
}
公众开放的getImageUri(上下文inContext的,位图inImage){
ByteArrayOutputStream字节=新ByteArrayOutputStream();
inImage.com preSS(Bitmap.Com pressFormat.JPEG,100个字节);
字符串路径= Images.Media.insertImage(inContext.getContentResolver(),inImage,标题,NULL);
返回Uri.parse(路径);
}
公共字符串getRealPathFromURI(URI URI){
光标光标= getContentResolver()查询(URI,NULL,NULL,NULL,NULL);
cursor.moveToFirst();
INT IDX = cursor.getColumnIndex(MediaStore.Images.ImageColumns.DATA);
返回cursor.getString(IDX);
}
和检查日志
I have been trying to get path of captured image in order to delete image , found many answer on stackoverflow but none of them is working for me , i got the following answer
private String getLastImagePath() {
final String[] imageColumns = { MediaStore.Images.Media._ID,
MediaStore.Images.Media.DATA };
final String imageOrderBy = MediaStore.Images.Media._ID + " DESC";
Cursor imageCursor = POS.this.getContentResolver().query(
MediaStore.Images.Media.EXTERNAL_CONTENT_URI, imageColumns,
null, null, imageOrderBy);
if (imageCursor.moveToFirst()) {
// int id = imageCursor.getInt(imageCursor
// .getColumnIndex(MediaStore.Images.Media._ID));
String fullPath = imageCursor.getString(imageCursor
.getColumnIndex(MediaStore.Images.Media.DATA));
return fullPath;
} else {
return "";
}
}
but this code works in samsung tab but doesn't work in lenovo tab and i-ball tab. so, Can anyone help me in finding other solution to do the same ? Any help will be appreciated. Thank you.
This is my onActivityResult
if (requestCode == CmsInter.CAMERA_REQUEST && resultCode == RESULT_OK) {
//Bitmap photo = null;
//photo = (Bitmap) data.getExtras().get("data");
String txt = "";
if (im != null) {
String result = "";
//im.setImageBitmap(photo);
im.setTag("2");
int index = im.getId();
String path = getLastImagePath();
try {
bitmap1 = BitmapFactory.decodeFile(path, options);
bitmap = Bitmap
.createScaledBitmap(bitmap1, 512, 400, false);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
bitmap.compress(Bitmap.CompressFormat.PNG, 100, baos);
byte[] bytData = baos.toByteArray();
try {
baos.close();
} catch (IOException e) {
e.printStackTrace();
}
result = Base64.encode(bytData);
bytData = null;
} catch (OutOfMemoryError ooM) {
System.out.println("OutOfMemory Exception----->" + ooM);
bitmap1.recycle();
bitmap.recycle();
} finally {
bitmap1.recycle();
bitmap.recycle();
}
}
Try like this
Pass Camera Intent like below
Intent intent = new Intent(this);
startActivityForResult(intent, REQ_CAMERA_IMAGE);
And after capturing image Write an OnActivityResult
as below
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
if (requestCode == CAMERA_REQUEST && resultCode == RESULT_OK) {
Bitmap photo = (Bitmap) data.getExtras().get("data");
imageView.setImageBitmap(photo);
knop.setVisibility(Button.VISIBLE);
// CALL THIS METHOD TO GET THE URI FROM THE BITMAP
Uri tempUri = getImageUri(getApplicationContext(), photo);
// CALL THIS METHOD TO GET THE ACTUAL PATH
File finalFile = new File(getRealPathFromURI(tempUri));
System.out.println(mImageCaptureUri);
}
}
public Uri getImageUri(Context inContext, Bitmap inImage) {
ByteArrayOutputStream bytes = new ByteArrayOutputStream();
inImage.compress(Bitmap.CompressFormat.JPEG, 100, bytes);
String path = Images.Media.insertImage(inContext.getContentResolver(), inImage, "Title", null);
return Uri.parse(path);
}
public String getRealPathFromURI(Uri uri) {
Cursor cursor = getContentResolver().query(uri, null, null, null, null);
cursor.moveToFirst();
int idx = cursor.getColumnIndex(MediaStore.Images.ImageColumns.DATA);
return cursor.getString(idx);
}
And check log
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