我已经尝试了很多东西来处理这个错误。当我在滑翔前使用毕加索时，我遇到了同样的问题。当我点击＆＃34;更改照片＆＃34;并从图库或相机等中选择一张照片，并希望在＆＃34;更新活动＆＃34;中设置所选图像。在图像视图中。它会抛出内存异常。我正在将图像大小调整为500x500并压缩它然后尝试在图像视图中设置它但它仍然没有内存。我想问题是我没有释放这个分配的内存但我搜索但是没有任何想法。提前致谢。
package com.donateblood.blooddonation;
/**
* Created by YouCaf Iqbal on 6/29/2016.
*/
public class UpdateActivity extends AppCompatActivity {
@InjectView(R.id.image)
ImageView _USERImage;
@InjectView(R.id.input_name)
EditText _nameText;
@InjectView(R.id.btnchangephoto)
Button changePhoto;
@InjectView(R.id.input_password)
EditText _passwordText;
@InjectView(R.id.input_number)
TextView _numText;
public static boolean UpdatingPhoto = false;
public String encodedPhotoString = null;
public String ChangedName = null;
public String ChangedPassword = null;
public String ChangedContactNo = null;
HashMap<String, String> ThingsTobeUpdated = null;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
try{
setContentView(R.layout.updateactivity);
ButterKnife.inject(this);
}catch (OutOfMemoryError e){
Toast.makeText(getBaseContext(), "Sorry,Something went wrong, try again", Toast.LENGTH_SHORT).show();
}
ThingsTobeUpdated = new HashMap<>();
CheckImage();
changePhoto.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
UpdatingPhoto = true;
Intent intent = new Intent(getApplicationContext(), CroppingActivity.class);
startActivity(intent);
UpdateActivity.this.finish();
}
});
}
public void CheckImage() {
if (CroppingActivity.newImage != null) {
Drawable drawable = _USERImage.getDrawable();
BitmapDrawable bitmapDrawable = (BitmapDrawable) drawable;
Bitmap bitmap = bitmapDrawable.getBitmap();
bitmap.recycle();
CroppingActivity.newImage = getResizedBitmap(CroppingActivity.newImage,500,500);
ByteArrayOutputStream stream = new ByteArrayOutputStream();
CroppingActivity.newImage.compress(Bitmap.CompressFormat.JPEG, 100, stream);
Uri uri = getImageUri(CroppingActivity.newImage);
String url = getRealPathFromURI(uri);
File file = new File(url);
Glide.with(UpdateActivity.this).load(file).override(400,400).placeholder(R.drawable.user).error(R.drawable.error)
.centerCrop().crossFade().bitmapTransform(new CropCircleTransformation(UpdateActivity.this)).into(_USERImage);
byte[] byte_arr = stream.toByteArray();
encodedPhotoString = Base64.encodeToString(byte_arr, 0);
} else {
Glide.with(UpdateActivity.this).load(getImageURL()).override(400,400).placeholder(R.drawable.user).error(R.drawable.error)
.centerCrop().crossFade().bitmapTransform(new CropCircleTransformation(UpdateActivity.this)).into(_USERImage);
}
}
// Resize the image ====================================
public Bitmap getResizedBitmap(Bitmap bm, int newHeight, int newWidth)
{
int width = bm.getWidth();
int height = bm.getHeight();
float scaleWidth = ((float) newWidth) / width;
float scaleHeight = ((float) newHeight) / height;
// create a matrix for the manipulation
Matrix matrix = new Matrix();
// resize the bit map
matrix.postScale(scaleWidth, scaleHeight);
// recreate the new Bitmap
Bitmap resizedBitmap = Bitmap.createBitmap(bm, 0, 0, width, height, matrix, false);
return resizedBitmap;
}
public String getRealPathFromURI(Uri contentUri) {
Cursor cursor = null;
try {
String[] proj = { MediaStore.Images.Media.DATA };
cursor = UpdateActivity.this.getContentResolver().query(contentUri, proj, null, null, null);
int column_index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
cursor.moveToFirst();
return cursor.getString(column_index);
} finally {
if (cursor != null) {
cursor.close();
}
}
}
public Uri getImageUri( Bitmap inImage) {
ByteArrayOutputStream bytes = new ByteArrayOutputStream();
inImage.compress(Bitmap.CompressFormat.JPEG, 100, bytes);
String path = MediaStore.Images.Media.insertImage(UpdateActivity.this.getContentResolver(), inImage, "Title", null);
return Uri.parse(path);
}
public String getImageURL(){
return "http://abdulbasit.website/blood_app/images/"+LoginActivity.ImageofLoggedINUser;
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.menu_update, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
String ChangesHappened = "no";
if (item.getItemId() == R.id.done_update) {
// start updating process
if(_nameText.getText().toString().equals("")){
ChangedName = null;
}else {
ChangedName = _nameText.getText().toString();
ChangesHappened = "yes";
}
if(_passwordText.getText().toString().equals("")){
ChangedPassword = null;
}else {
ChangedPassword = _passwordText.getText().toString();
ChangesHappened = "yes";
}
if(_numText.getText().toString().equals("")){
ChangedContactNo = null;
}else {
ChangedContactNo = _numText.getText().toString();
ChangesHappened = "yes";
}
if(encodedPhotoString!=null){
ChangesHappened = "yes";
}
if(ChangesHappened=="yes"){
StartUpdate();
return true;
}else {
Toast.makeText(getBaseContext(), "Nothing to update", Toast.LENGTH_SHORT).show();
}
}
return super.onOptionsItemSelected(item);
}
private void StartUpdate() {
ThingsTobeUpdated.put("email", LoginActivity.EmailofLoggedInUser);
if (encodedPhotoString != null) {
ThingsTobeUpdated.put("image", encodedPhotoString);
}
if (ChangedName != null) {
ThingsTobeUpdated.put("name", ChangedName);
}
if (ChangedPassword != null) {
ThingsTobeUpdated.put("password", ChangedPassword);
}
if (ChangedContactNo != null) {
ThingsTobeUpdated.put("contact", ChangedContactNo);
}
UpdateAsync updatestart = new UpdateAsync();
updatestart.execute();
}
public class UpdateAsync extends AsyncTask<Void, Void, Void> {
private ProgressDialog pDialog;
JSONObject json = null;
@Override
protected Void doInBackground(Void... voids) {
json = new HttpCall().postForJSON("http://abdulbasit.website/blood_app/UpdateProfile.php", ThingsTobeUpdated);
return null;
}
@Override
protected void onPreExecute() {
super.onPreExecute();
pDialog = new ProgressDialog(UpdateActivity.this);
pDialog.setMessage("Updating profile...");
pDialog.setIndeterminate(false);
pDialog.setCancelable(false);
pDialog.show();
}
@Override
protected void onPostExecute(Void aVoid) {
super.onPostExecute(aVoid);
pDialog.dismiss();
if (json != null) {
Toast.makeText(getBaseContext(), "Profile updated, Login Again to see changes", Toast.LENGTH_SHORT).show();
finish();
} else {
Toast.makeText(getBaseContext(), "Error updating profile. Try Again", Toast.LENGTH_LONG).show();
}
}
}
}public class CroppingActivity extends AppCompatActivity {
private CropImageView mCropImageView;
public static Bitmap finalImage = null;
public static Bitmap newImage = null;
private Uri mCropImageUri;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_crop);
mCropImageView = (CropImageView) findViewById(R.id.CropImageView);
}
/**
* On load image button click, start pick image chooser activity.
*/
public void onLoadImageClick(View view) {
startActivityForResult(getPickImageChooserIntent(), 400);
}
public void onSetImageClick(View view) {
if(UpdateActivity.UpdatingPhoto){
newImage = mCropImageView.getCroppedImage(400, 400);
try {
Intent intent = new Intent(getApplicationContext(), UpdateActivity.class);
startActivity(intent);
finish();
} catch (Exception e) {
Toast.makeText(CroppingActivity.this, "Oppss..Error occured.", Toast.LENGTH_SHORT).show();
e.printStackTrace();
}
}else {
finalImage = mCropImageView.getCroppedImage(400, 400);
try {
Intent intent = new Intent(getApplicationContext(), UploadImage.class);
startActivity(intent);
finish();
} catch (Exception e) {
Toast.makeText(CroppingActivity.this, "Oppss..Error occured.", Toast.LENGTH_SHORT).show();
e.printStackTrace();
}
}
}
/**
* Crop the image and set it back to the cropping view.
*/
public void onCropImageClick(View view) {
Bitmap cropped = mCropImageView.getCroppedImage(400, 400);
if (cropped != null)
mCropImageView.setImageBitmap(cropped);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
if (resultCode == Activity.RESULT_OK) {
Uri imageUri = getPickImageResultUri(data);
// For API >= 23 we need to check specifically that we have permissions to read external storage,
// but we don't know if we need to for the URI so the simplest is to try open the stream and see if we get error.
boolean requirePermissions = false;
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M &&
checkSelfPermission(Manifest.permission.READ_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED &&
isUriRequiresPermissions(imageUri)) {
// request permissions and handle the result in onRequestPermissionsResult()
requirePermissions = true;
mCropImageUri = imageUri;
requestPermissions(new String[]{Manifest.permission.READ_EXTERNAL_STORAGE}, 0);
}
if (!requirePermissions) {
mCropImageView.setImageUriAsync(imageUri);
}
}
}
@Override
public void onBackPressed() {
UpdateActivity.UpdatingPhoto = false;
super.onBackPressed();
finish();
}
@Override
public void onRequestPermissionsResult(int requestCode, String permissions[], int[] grantResults) {
if (mCropImageUri != null && grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
mCropImageView.setImageUriAsync(mCropImageUri);
} else {
Toast.makeText(this, "Required permissions are not granted", Toast.LENGTH_LONG).show();
}
}
/**
* Create a chooser intent to select the source to get image from.<br/>
* The source can be camera's (ACTION_IMAGE_CAPTURE) or gallery's (ACTION_GET_CONTENT).<br/>
* All possible sources are added to the intent chooser.
*/
public Intent getPickImageChooserIntent() {
// Determine Uri of camera image to save.
Uri outputFileUri = getCaptureImageOutputUri();
List<Intent> allIntents = new ArrayList<>();
PackageManager packageManager = getPackageManager();
// collect all camera intents
Intent captureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
List<ResolveInfo> listCam = packageManager.queryIntentActivities(captureIntent, 0);
for (ResolveInfo res : listCam) {
Intent intent = new Intent(captureIntent);
intent.setComponent(new ComponentName(res.activityInfo.packageName, res.activityInfo.name));
intent.setPackage(res.activityInfo.packageName);
if (outputFileUri != null) {
intent.putExtra(MediaStore.EXTRA_OUTPUT, outputFileUri);
}
allIntents.add(intent);
}
// collect all gallery intents
Intent galleryIntent = new Intent(Intent.ACTION_GET_CONTENT);
galleryIntent.setType("image/*");
List<ResolveInfo> listGallery = packageManager.queryIntentActivities(galleryIntent, 0);
for (ResolveInfo res : listGallery) {
Intent intent = new Intent(galleryIntent);
intent.setComponent(new ComponentName(res.activityInfo.packageName, res.activityInfo.name));
intent.setPackage(res.activityInfo.packageName);
allIntents.add(intent);
}
// the main intent is the last in the list (android) so pickup the useless one
Intent mainIntent = allIntents.get(allIntents.size() - 1);
for (Intent intent : allIntents) {
if (intent.getComponent().getClassName().equals("com.android.documentsui.DocumentsActivity")) {
mainIntent = intent;
break;
}
}
allIntents.remove(mainIntent);
// Create a chooser from the main intent
Intent chooserIntent = Intent.createChooser(mainIntent, "Select source");
// Add all other intents
chooserIntent.putExtra(Intent.EXTRA_INITIAL_INTENTS, allIntents.toArray(new Parcelable[allIntents.size()]));
return chooserIntent;
}
/**
* Get URI to image received from capture by camera.
*/
private Uri getCaptureImageOutputUri() {
Uri outputFileUri = null;
File getImage = getExternalCacheDir();
if (getImage != null) {
outputFileUri = Uri.fromFile(new File(getImage.getPath(), "pickImageResult.jpeg"));
}
return outputFileUri;
}
/**
* Get the URI of the selected image from {@link #getPickImageChooserIntent()}.<br/>
* Will return the correct URI for camera and gallery image.
*
* @param data the returned data of the activity result
*/
public Uri getPickImageResultUri(Intent data) {
boolean isCamera = true;
if (data != null && data.getData() != null) {
String action = data.getAction();
isCamera = action != null && action.equals(MediaStore.ACTION_IMAGE_CAPTURE);
}
return isCamera ? getCaptureImageOutputUri() : data.getData();
}
/**
* Test if we can open the given Android URI to test if permission required error is thrown.<br>
*/
public boolean isUriRequiresPermissions(Uri uri) {
try {
ContentResolver resolver = getContentResolver();
InputStream stream = resolver.openInputStream(uri);
stream.close();
return false;
} catch (FileNotFoundException e) {
if (e.getCause() instanceof ErrnoException) {
return true;
}
} catch (Exception e) {
}
return false;
}
} can't open /data/misc/app_oom.hprof: Permission denied
07-04 16:25:41.416 23278-23278/com.donateblood.blooddonation E/dalvikvm-heap: hprofDumpHeap failed with result: -1
07-04 16:25:41.416 23278-23278/com.donateblood.blooddonation E/dalvikvm-heap: After hprofDumpHeap for process
07-04 16:25:41.416 23278-23278/com.donateblood.blooddonation E/dalvikvm: Out of memory: Heap Size=76760KB, Allocated=13818KB, Limit=98304KB, Proc Limit=98304KB
07-04 16:25:41.416 23278-23278/com.donateblood.blooddonation E/dalvikvm: Extra info: Footprint=76760KB, Allowed Footprint=76760KB, Trimmed=16KB
07-04 16:25:41.436 23278-23278/com.donateblood.blooddonation E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.donateblood.blooddonation, PID: 23278
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.donateblood.blooddonation/com.donateblood.blooddonation.UpdateActivity}: java.lang.NullPointerException at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2596) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2653) at android.app.ActivityThread.access$800(ActivityThread.java:156)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1355)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:157)
at android.app.ActivityThread.main(ActivityThread.java:5872)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:858)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:674)
at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.NullPointerException
at com.donateblood.blooddonation.UpdateActivity.CheckImage(UpdateActivity.java:93)
at com.donateblood.blooddonation.UpdateActivity.onCreate(UpdateActivity.java:76)
at android.app.Activity.performCreate(Activity.java:5312)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1111)