我正在将图片上传到服务器，但上传到服务器后图像会旋转甚至预览显示正确。
这么多人遇到这个问题我发现这个link但是没有用。并且有很多解决方案，但我不知道如何适应我的代码。
请帮帮我。
这是我的代码
import android.app.AlertDialog;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Build;
import android.provider.MediaStore;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.support.v7.widget.Toolbar;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import com.fonts.Text.MyTextView;
import com.generalClass.files.UploadFile;
import com.hwindiapp.driver.db.sqLite.DBConnect;
import org.json.JSONException;
import org.json.JSONObject;
import java.io.File;
import java.util.ArrayList;
public class AddVehicleDocActivity extends AppCompatActivity {
private static final int FILE_SELECT_CODE = 124;
private Toolbar mToolbar;
TextView text_header;
MyTextView insuranceHTxt;
MyTextView permitHTxt;
MyTextView vRegHTxt;
MyTextView insNotFoundTxt;
MyTextView permitNotFoundTxt;
MyTextView vRegNotFoundTxt;
DBConnect dbConnect;
Button insBtn;
Button permitBtn;
Button vRegBtn;
LinearLayout insImgVIew;
LinearLayout permitImgVIew;
LinearLayout vRegImgVIew;
String language_labels_get_frm_sqLite = "";
String LBL_DOCUMENTS_TXT_str = "";
String LBL_YOUR_INSURANCE_TXT_str = "";
String LBL_WRONG_FILE_SELECTED_TXT_str = "";
String LBL_LOADING_TXT_str = "";
String LBL_YOUR_PERMIT_TXT_str = "";
String LBL_VEHICLE_REG_TXT_str = "";
String LBL_NOT_FOUND_TXT_str = "";
String LBL_BTN_OK_TXT_str = "";
String LBL_ERROR_TXT_str = "";
String LBL_TRY_AGAIN_LATER_TXT_str = "";
String LBL_DOC_UPLOAD_SUCCESS_TXT_str = "";
String LBL_ADD_TXT_str = "";
String LBL_EDIT_TXT_str = "";
String LBL_SUCCESS_TXT_str = "";
String LBL_BTN_TRIP_CANCEL_CONFIRM_TXT_str = "";
String LBL_NOTE_UPLOAD_DOC_TXT_str = "";
String LBL_CANCEL_TXT_str = "";
String currentDocType = "";
String carJson_str = "";
String vIns = "";
String vPermit = "";
String vReg = "";
android.support.v7.app.AlertDialog alertDialog;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_add_vehicle_doc);
mToolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(mToolbar);
dbConnect = new DBConnect(this, "UC_Partner_Labels.db");
text_header = (TextView) findViewById(R.id.text_header);
insuranceHTxt = (MyTextView) findViewById(R.id.insuranceHTxt);
permitHTxt = (MyTextView) findViewById(R.id.permitHTxt);
vRegHTxt = (MyTextView) findViewById(R.id.vRegHTxt);
insNotFoundTxt = (MyTextView) findViewById(R.id.insNotFoundTxt);
permitNotFoundTxt = (MyTextView) findViewById(R.id.permitNotFoundTxt);
vRegNotFoundTxt = (MyTextView) findViewById(R.id.vRegNotFoundTxt);
insImgVIew = (LinearLayout) findViewById(R.id.insImgArea);
permitImgVIew = (LinearLayout) findViewById(R.id.permitImgArea);
vRegImgVIew = (LinearLayout) findViewById(R.id.vRegImgArea);
insBtn = (Button) findViewById(R.id.insBtn);
permitBtn = (Button) findViewById(R.id.permitBtn);
vRegBtn = (Button) findViewById(R.id.vRegBtn);
insBtn.setOnClickListener(new setOnClickAct());
permitBtn.setOnClickListener(new setOnClickAct());
vRegBtn.setOnClickListener(new setOnClickAct());
insImgVIew.setOnClickListener(new setOnClickAct());
permitImgVIew.setOnClickListener(new setOnClickAct());
vRegImgVIew.setOnClickListener(new setOnClickAct());
carJson_str = getIntent().getStringExtra("CarJson");
/* Set Labels */
getLanguageLabelsFrmSqLite();
/* Set Labels Finished */
ImageView back_navigation = (ImageView) findViewById(R.id.back_navigation);
back_navigation.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
AddVehicleDocActivity.super.onBackPressed();
}
});
Log.d("carJson_str", ":" + carJson_str);
try {
parseCarJson(carJson_str);
} catch (JSONException e) {
e.printStackTrace();
}
}
public void getLanguageLabelsFrmSqLite() {
Cursor cursor = dbConnect.execQuery("select vValue from labels WHERE vLabel=\"Language_labels\"");
cursor.moveToPosition(0);
language_labels_get_frm_sqLite = cursor.getString(0);
JSONObject obj_language_labels = null;
try {
obj_language_labels = new JSONObject(language_labels_get_frm_sqLite);
LBL_DOCUMENTS_TXT_str = obj_language_labels.getString("LBL_DOCUMENTS_TXT");
LBL_YOUR_INSURANCE_TXT_str = obj_language_labels.getString("LBL_YOUR_INSURANCE_TXT");
LBL_WRONG_FILE_SELECTED_TXT_str = obj_language_labels.getString("LBL_WRONG_FILE_SELECTED_TXT");
LBL_LOADING_TXT_str = obj_language_labels.getString("LBL_LOADING_TXT");
LBL_YOUR_PERMIT_TXT_str = obj_language_labels.getString("LBL_YOUR_PERMIT_TXT");
LBL_VEHICLE_REG_TXT_str = obj_language_labels.getString("LBL_VEHICLE_REG_TXT");
LBL_NOT_FOUND_TXT_str = obj_language_labels.getString("LBL_NOT_FOUND_TXT");
LBL_BTN_OK_TXT_str = obj_language_labels.getString("LBL_BTN_OK_TXT");
LBL_ERROR_TXT_str = obj_language_labels.getString("LBL_ERROR_TXT");
LBL_TRY_AGAIN_LATER_TXT_str = obj_language_labels.getString("LBL_TRY_AGAIN_LATER_TXT");
LBL_DOC_UPLOAD_SUCCESS_TXT_str = obj_language_labels.getString("LBL_DOC_UPLOAD_SUCCESS_TXT");
LBL_ADD_TXT_str = obj_language_labels.getString("LBL_ADD_TXT");
LBL_EDIT_TXT_str = obj_language_labels.getString("LBL_EDIT_TXT");
LBL_SUCCESS_TXT_str = obj_language_labels.getString("LBL_SUCCESS_TXT");
LBL_BTN_TRIP_CANCEL_CONFIRM_TXT_str = obj_language_labels.getString("LBL_BTN_TRIP_CANCEL_CONFIRM_TXT");
LBL_NOTE_UPLOAD_DOC_TXT_str = obj_language_labels.getString("LBL_NOTE_UPLOAD_DOC_TXT");
LBL_CANCEL_TXT_str = obj_language_labels.getString("LBL_CANCEL_TXT");
} catch (JSONException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
if (obj_language_labels != null) {
text_header.setText("" + LBL_DOCUMENTS_TXT_str);
insuranceHTxt.setText("" + LBL_YOUR_INSURANCE_TXT_str);
permitHTxt.setText("" + LBL_YOUR_PERMIT_TXT_str);
vRegHTxt.setText("" + LBL_VEHICLE_REG_TXT_str);
insNotFoundTxt.setText("" + LBL_NOT_FOUND_TXT_str);
permitNotFoundTxt.setText("" + LBL_NOT_FOUND_TXT_str);
vRegNotFoundTxt.setText("" + LBL_NOT_FOUND_TXT_str);
insBtn.setText(LBL_ADD_TXT_str);
permitBtn.setText(LBL_ADD_TXT_str);
vRegBtn.setText(LBL_ADD_TXT_str);
}
}
public void parseCarJson(String carJson) throws JSONException {
JSONObject obj_profile = new JSONObject(carJson);
vIns = obj_profile.getString("vInsurance");
vPermit = obj_profile.getString("vPermit");
vReg = obj_profile.getString("vRegisteration");
if (vIns == null || vIns.equals("")) {
insNotFoundTxt.setVisibility(View.VISIBLE);
} else {
setDocView(0);
}
if (vPermit == null || vPermit.equals("")) {
permitNotFoundTxt.setVisibility(View.VISIBLE);
} else {
setDocView(1);
}
if (vReg == null || vReg.equals("")) {
vRegNotFoundTxt.setVisibility(View.VISIBLE);
} else {
setDocView(2);
}
}
public void setDocView(int id) {
if (id == 0) {
insNotFoundTxt.setVisibility(View.GONE);
insBtn.setText(LBL_EDIT_TXT_str);
insImgVIew.setVisibility(View.VISIBLE);
} else if (id == 1) {
permitNotFoundTxt.setVisibility(View.GONE);
permitBtn.setText(LBL_EDIT_TXT_str);
permitImgVIew.setVisibility(View.VISIBLE);
} else if (id == 2) {
vRegNotFoundTxt.setVisibility(View.GONE);
vRegBtn.setText(LBL_EDIT_TXT_str);
vRegImgVIew.setVisibility(View.VISIBLE);
}
}
public class setOnClickAct implements View.OnClickListener {
@Override
public void onClick(View view) {
switch (view.getId()) {
case R.id.insBtn:
currentDocType = "vInsurance";
chooseFIle();
break;
case R.id.permitBtn:
currentDocType = "vPermit";
chooseFIle();
break;
case R.id.vRegBtn:
currentDocType = "vRegisteration";
chooseFIle();
break;
case R.id.insImgArea:
openDocument(vIns);
break;
case R.id.permitImgArea:
openDocument(vPermit);
break;
case R.id.vRegImgArea:
openDocument(vReg);
break;
}
}
}
public void openDocument(String documentName) {
Log.d("Open doc","::"+CommonUtilities.SERVER_URL_VEHICLE_DOCS + getIntent().getStringExtra("iDriverVehicleId") + "/" + documentName);
Intent browserIntent = new Intent(Intent.ACTION_VIEW, Uri.parse(CommonUtilities.SERVER_URL_VEHICLE_DOCS + getIntent().getStringExtra("iDriverVehicleId") + "/" + documentName));
startActivity(browserIntent);
}
public void chooseFIle() {
boolean isKitKat = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT;
if (isKitKat) {
Intent intent = new Intent();
intent.setType("*/*");
intent.setAction(Intent.ACTION_GET_CONTENT);
startActivityForResult(intent, FILE_SELECT_CODE);
} else {
Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
intent.setType("*/*");
startActivityForResult(intent, FILE_SELECT_CODE);
}
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (resultCode == RESULT_OK) {
if (requestCode == FILE_SELECT_CODE) {
Uri uri = data.getData();
// Log.d("Path", "::" + uri.getPath());
// Log.d("Path", "::" + getPath(uri));
String filePath = "";
filePath = (getPath(uri) == null) ? uri.getPath() : getPath(uri);
// Log.d("Ext", ":" + getFileExt(filePath));
final ArrayList<String[]> paramsList = new ArrayList<>();
paramsList.add(generateImageParams("iDriverVehicleId", "" + getIntent().getStringExtra("iDriverVehicleId")));
paramsList.add(generateImageParams("type", "UploadVehicleDoc"));
paramsList.add(generateImageParams("iDriverId", getIntent().getStringExtra("UserID")));
paramsList.add(generateImageParams("DocUploadType", currentDocType));
if (getFileExt(filePath).equalsIgnoreCase("jpg") || getFileExt(filePath).equalsIgnoreCase("gif") || getFileExt(filePath).equalsIgnoreCase("png")
|| getFileExt(filePath).equalsIgnoreCase("jpeg") || getFileExt(filePath).equalsIgnoreCase("bmp") || getFileExt(filePath).equalsIgnoreCase("pdf")
|| getFileExt(filePath).equalsIgnoreCase("doc") || getFileExt(filePath).equalsIgnoreCase("docx")) {
File selectedFile = new File(filePath);
if (selectedFile != null) {
android.support.v7.app.AlertDialog.Builder alertDialogBuilder = new android.support.v7.app.AlertDialog.Builder(
AddVehicleDocActivity.this);
alertDialogBuilder.setTitle(LBL_BTN_TRIP_CANCEL_CONFIRM_TXT_str);
final String finalFilePath = filePath;
alertDialogBuilder
.setMessage(selectedFile.getName() + "\n" + LBL_NOTE_UPLOAD_DOC_TXT_str)
.setCancelable(true)
.setNegativeButton(LBL_CANCEL_TXT_str, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialogInterface, int i) {
alertDialog.dismiss();
}
})
.setPositiveButton(LBL_BTN_OK_TXT_str, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
alertDialog.dismiss();
new uploadDocument(finalFilePath, currentDocType + "." + getFileExt(finalFilePath), paramsList).execute();
}
});
alertDialog = alertDialogBuilder.create();
alertDialog.show();
} else {
showMessage(LBL_ERROR_TXT_str, LBL_TRY_AGAIN_LATER_TXT_str);
}
} else {
// showErrorOnSelection();
showMessage(LBL_ERROR_TXT_str, LBL_WRONG_FILE_SELECTED_TXT_str);
}
}
}
}
public String[] generateImageParams(String key, String content) {
String[] tempArr = new String[2];
tempArr[0] = key;
tempArr[1] = content;
return tempArr;
}
public class uploadDocument extends AsyncTask<String, String, String> {
String selectedPath;
String responseString = "";
ProgressDialog myPDialog;
String temp_File_Name = "";
ArrayList<String[]> paramsList;
public uploadDocument(String selectedPath, String temp_File_Name, ArrayList<String[]> paramsList) {
this.selectedPath = selectedPath;
this.temp_File_Name = temp_File_Name;
this.paramsList = paramsList;
}
@Override
protected void onPreExecute() {
super.onPreExecute();
myPDialog = new ProgressDialog(AddVehicleDocActivity.this, R.style.DialogTheme_custom);
myPDialog.setMessage("" + LBL_LOADING_TXT_str);
myPDialog.setCancelable(false);
myPDialog.setCanceledOnTouchOutside(false);
myPDialog.show();
}
@Override
protected String doInBackground(String... strings) {
responseString = new UploadFile().uploadImageAsFile(selectedPath, temp_File_Name, "vFile", paramsList);
return null;
}
@Override
protected void onPostExecute(String s) {
super.onPostExecute(s);
myPDialog.dismiss();
Log.d("responseString", "::" + responseString);
if (responseString != null && !responseString.equals("")) {
try {
JSONObject obj_temp = new JSONObject(responseString);
String action_str = obj_temp.getString("Action");
String fileName_str = obj_temp.getString("vFileName");
if (action_str.equals("1")) {
showMessage(LBL_SUCCESS_TXT_str, LBL_DOC_UPLOAD_SUCCESS_TXT_str);
JSONObject obj_CarJson = new JSONObject(carJson_str);
if (currentDocType.equals("vInsurance")) {
obj_CarJson.remove("vInsurance");
obj_CarJson.put("vInsurance", fileName_str);
vIns = fileName_str;
setDocView(0);
} else if (currentDocType.equals("vPermit")) {
obj_CarJson.remove("vPermit");
obj_CarJson.put("vPermit", fileName_str);
vPermit = fileName_str;
setDocView(1);
} else if (currentDocType.equals("vRegisteration")) {
obj_CarJson.remove("vRegisteration");
obj_CarJson.put("vRegisteration", fileName_str);
vReg = fileName_str;
setDocView(2);
}
obj_CarJson.remove("eStatus");
obj_CarJson.put("eStatus", "Inactive");
carJson_str = obj_CarJson.toString();
Intent setData = new Intent();
setData.putExtra("CarJson", carJson_str);
setData.putExtra("DriverProfileData", obj_temp.getString("DriverProfileData").toString());
setData.putExtra("iDriverVehicleId", "" + getIntent().getStringExtra("iDriverVehicleId"));
setResult(RESULT_OK, setData);
// Driver_main_profile.updated_json_responseString_profile = obj_profileJson.toString();
//
// Driver_main_profile.driverDocUpdated = true;
} else {
showMessage(LBL_ERROR_TXT_str, LBL_TRY_AGAIN_LATER_TXT_str);
}
} catch (JSONException e) {
e.printStackTrace();
showMessage(LBL_ERROR_TXT_str, LBL_TRY_AGAIN_LATER_TXT_str);
}
} else {
showMessage(LBL_ERROR_TXT_str, LBL_TRY_AGAIN_LATER_TXT_str);
}
}
}
public String getFileExt(String fileName) {
return fileName.substring(fileName.lastIndexOf(".") + 1, fileName.length());
}
public String getPath(Uri uri) {
String[] filePathColumn = {MediaStore.Images.Media.DATA};
Cursor cursor = getContentResolver().query(uri, filePathColumn, null, null, null);
if (cursor != null) {
cursor.moveToFirst();
int columnIndex = cursor.getColumnIndex(filePathColumn[0]);
String filePath = cursor.getString(columnIndex);
cursor.close();
return filePath;
} else {
return null;
}
}
public void showMessage(String title_str, String content_str) {
android.support.v7.app.AlertDialog.Builder alertDialogBuilder = new android.support.v7.app.AlertDialog.Builder(
AddVehicleDocActivity.this);
alertDialogBuilder.setTitle(title_str);
alertDialogBuilder
.setMessage(content_str)
.setCancelable(true)
.setPositiveButton(LBL_BTN_OK_TXT_str, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
alertDialog.dismiss();
}
});
alertDialog = alertDialogBuilder.create();
alertDialog.show();
}
}
这是我的上传代码
public class UploadFile {
public String uploadImageAsFile(String sourceFileUri, String fileName, String imageParamKey, ArrayList<String[]> params) {
ExifInterface exif = null; //Since API Level 5
try {
exif = new ExifInterface(sourceFileUri);
} catch (IOException e) {
e.printStackTrace();
}
String exifImage = exif.getAttribute(ExifInterface.TAG_ORIENTATION);
String responseString = "";
InputStream inputStream;
try {
inputStream = new FileInputStream(new File(exifImage));
byte[] data;
try {
data = convertToByteArray(inputStream);
HttpClient httpClient = new DefaultHttpClient();
HttpPost httpPost = new HttpPost(CommonUtilities.SERVER_URL);
InputStreamBody inputStreamBody = new InputStreamBody(new ByteArrayInputStream(data), fileName);
MultipartEntity multipartEntity = new MultipartEntity(/*HttpMultipartMode.BROWSER_COMPATIBLE,"9999999999", Charset.defaultCharset()*/);
for (int i = 0; i < params.size(); i++) {
String[] paramsArr = params.get(i);
multipartEntity.addPart(paramsArr[0], new StringBody(paramsArr[1]));
}
ContentBody cbFile = new FileBody(new File(exifImage)/*, "multipart/form-data"*/);
multipartEntity.addPart(imageParamKey, cbFile);
httpPost.setEntity(multipartEntity);
// httpClient.getParams().setParameter(CoreProtocolPNames.USER_AGENT, "Test Browser");
// httpClient.getParams().setParameter(CoreProtocolPNames.PROTOCOL_VERSION, HttpVersion.HTTP_1_1);
// httpClient.getParams().setParameter(ClientPNames.COOKIE_POLICY, org.apache.http.client.params.CookiePolicy.BROWSER_COMPATIBILITY);
// httpPost.setHeader("Content-Type", "multipart/form-data");
// httpPost.setHeader("Content-Type", "image/png");
// httpPost.setHeader("Connection", "Keep-Alive");
// httpPost.setRequestProperty("ENCTYPE", "multipart/form-data");
// httpPost.setRequestProperty("Content-Type", "multipart/form-data;boundary=" + boundary);
// httpPost.addHeader("Content-Type", "multipart/form-data;charset=UTF-8;boundary=654654");
// httpPost.setHeader("Connection", "Keep-Alive");
// httpPost.setHeader("ENCTYPE", "multipart/form-data");
HttpResponse httpResponse = httpClient.execute(httpPost);
// Handle response back from script.
if (httpResponse != null) {
Log.d("success", "success:" + httpResponse.toString());
responseString = EntityUtils.toString(httpResponse.getEntity());
} else { // Error, no response.
Log.d("Failed", "failed:" + httpResponse.toString());
}
} catch (IOException e) {
e.printStackTrace();
}
} catch (FileNotFoundException e1) {
e1.printStackTrace();
}
return responseString;
}
private byte[] convertToByteArray(InputStream inputStream) throws IOException {
ByteArrayOutputStream bos = new ByteArrayOutputStream();
int next = inputStream.read();
while (next > -1) {
bos.write(next);
next = inputStream.read();
}
bos.flush();
return bos.toByteArray();
}
/**
* @param encodedString
* @return bitmap (from given string)
*/
public Bitmap StringToBitMap(String encodedString){
try{
byte [] encodeByte=Base64.decode(encodedString, Base64.DEFAULT);
Bitmap bitmap=BitmapFactory.decodeByteArray(encodeByte, 0, encodeByte.length);
return bitmap;
}catch(Exception e){
e.getMessage();
return null;
}
}
}
答案 0 :(得分：0)
上传后您不应该旋转图像。你需要先旋转它。预览是正确的可能是因为您在显示时尊重Exif值。但是服务器并不是。
您需要根据它的exif旋转旋转图像：
https://stackoverflow.com/a/20480741/3410697
只有这样你才能把它上传到服务器
答案 1 :(得分：0)
在获得图像路径的地方调用此函数
public void setImage(String _path) {
int orientation = CustomImageUtil.getExifOrientation(_path);
BitmapFactory.Options resample = new BitmapFactory.Options();
resample.inSampleSize = 4;
Bitmap bitmap = BitmapFactory.decodeFile(_path, resample);
if (orientation == 90) {
bitmap = CustomImageUtil.rotate(bitmap, 90);
} else if (orientation == 180) {
bitmap = CustomImageUtil.rotate(bitmap, 180);
} else if (orientation == 270) {
bitmap = CustomImageUtil.rotate(bitmap, 270);
}
// use your bitmap here
}
CustomImageUtil.class：
public class CustomImageUtil {
public static String getRealPathFromURI(Context context,Uri contentURI) {
String result;
Cursor cursor = context.getContentResolver().query(contentURI, null, null, null, null);
if (cursor == null) { // Source is Dropbox or other similar local file path
result = contentURI.getPath();
} else {
cursor.moveToFirst();
int idx = cursor.getColumnIndex(MediaStore.Images.ImageColumns.DATA);
result = cursor.getString(idx);
cursor.close();
}
return result;
}
// method for bitmap to base64
public static String encodeTobase64(Bitmap image) {
Bitmap immage = image;
ByteArrayOutputStream baos = new ByteArrayOutputStream();
immage.compress(Bitmap.CompressFormat.PNG, 60, baos);
byte[] b = baos.toByteArray();
String imageEncoded = Base64.encodeToString(b, Base64.DEFAULT);
Log.d("Image Log:", imageEncoded);
return imageEncoded;
}
/**
* getExifOrientation -- Roate the image on the right angel
* @param filepath -- path of the file to be rotated
* @return
*/
public static int getExifOrientation(String filepath) {
int degree = 0;
ExifInterface exif = null;
try {
exif = new ExifInterface(filepath);
} catch (IOException ex) {ex.printStackTrace();
}
if (exif != null) {
int orientation = exif.getAttributeInt(
ExifInterface.TAG_ORIENTATION, -1);
if (orientation != -1) {
// We only recognize a subset of orientation tag values.
switch (orientation) {
case ExifInterface.ORIENTATION_ROTATE_90:
degree = 90;
break;
case ExifInterface.ORIENTATION_ROTATE_180:
degree = 180;
break;
case ExifInterface.ORIENTATION_ROTATE_270:
degree = 270;
break;
}
}
}
return degree;
}
// Rotates the bitmap by the specified degree.
// If a new bitmap is created, the original bitmap is recycled.
public static Bitmap rotate(Bitmap b, int degrees) {
if (degrees != 0 && b != null) {
Matrix m = new Matrix();
m.setRotate(degrees, (float) b.getWidth() / 2,
(float) b.getHeight() / 2);
try {
Bitmap b2 = Bitmap.createBitmap(b, 0, 0, b.getWidth(),
b.getHeight(), m, true);
if (b != b2) {
b.recycle();
b = b2;
}
} catch (OutOfMemoryError ex) {ex.printStackTrace();
}
}
return b;
}
}
将位图转换为Uri
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);
}