我无法将路径和图像存储到数据库中，我想将路径或图像存储到数据库中，我想获取该图像并在更新配置文件后设置为imageview。我的onactvity结果请帮助我。
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition/>
<ColumnDefinition/>
</Grid.ColumnDefinitions>
<Grid.RowDefinitions>
<RowDefinition/>
<RowDefinition/>
</Grid.RowDefinitions>
<Canvas Grid.Column="1" Grid.Row="1">
<Line Y1="-10000" Y2="10000" Stroke="Black" StrokeThickness="1"/>
<Line X2="10000" Stroke="Black" StrokeThickness="1"/>
</Canvas>
</Grid>
//这是我保存在数据库中的方法
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (resultCode == RESULT_OK) {
if (requestCode == 1) {
File f = new File(Environment.getExternalStorageDirectory().toString());
for (File temp : f.listFiles()) {
if (temp.getName().equals("temp.jpg")) {
f = temp;
break;
}
}
try {
Bitmap bitmap;
BitmapFactory.Options bitmapOptions = new BitmapFactory.Options();
bitmap = BitmapFactory.decodeFile(f.getAbsolutePath(),
bitmapOptions);
ImagePaht = CommonUtility.encodeTobase64(bitmap);
mAddProfilePic.setImageBitmap(bitmap);
mAddProfilePic.setScaleType(ImageView.ScaleType.MATRIX);
String path = android.os.Environment
.getExternalStorageDirectory()
+ File.separator
+ "Phoenix" + File.separator + "default";
boolean delete = f.delete();
OutputStream outFile = null;
File file = new File(path, String.valueOf(System.currentTimeMillis()) + ".jpg");
try {
outFile = new FileOutputStream(file);
bitmap.compress(Bitmap.CompressFormat.JPEG, 85, outFile);
ByteArrayOutputStream stream = new ByteArrayOutputStream();
byteArray = stream.toByteArray();
outFile.flush();
outFile.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
}
} catch (Exception e) {
e.printStackTrace();
}
} else if (requestCode == 2) {
Uri selectedImage = data.getData();
String[] filePath = {MediaStore.Images.Media.DATA};
Cursor c = getContentResolver().query(selectedImage, filePath, null, null, null);
if (c != null) {
c.moveToFirst();
}
int columnIndex = c.getColumnIndex(filePath[0]);
String picturePath = c.getString(columnIndex);
c.close();
Bitmap thumbnail = (BitmapFactory.decodeFile(picturePath));
// Log.e("path of ", picturePath + "");
ImagePaht = CommonUtility.encodeTobase64(thumbnail);
mAddProfilePic.setImageBitmap(thumbnail);
ByteArrayOutputStream stream = new ByteArrayOutputStream();
thumbnail.compress(Bitmap.CompressFormat.PNG, 100, stream);
byteArray = stream.toByteArray();
mAddProfilePic.setScaleType(ImageView.ScaleType.MATRIX);
}
}
}
答案 0 :(得分：0)
要将图像存储到数据库中，您可以保存图像路径，也可以将Base64图像保存到数据库中
这里，我们将图像路径存储到数据库中
private void captureImage() {
Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
fileUri = getOutputMediaFileUri(MEDIA_TYPE_IMAGE);
intent.putExtra(MediaStore.EXTRA_OUTPUT, fileUri);
// start the image capture Intent
startActivityForResult(intent, CAMERA_CAPTURE_IMAGE_REQUEST_CODE);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
// if the result is capturing Image
if (requestCode == CAMERA_CAPTURE_IMAGE_REQUEST_CODE) {
if (resultCode == RESULT_OK) {
settingImaePath(fileUri);
}
}
if (requestCode == PICK_IMAGE && resultCode == RESULT_OK && data != null && data.getData() != null) {
Uri filePath = data.getData();
try {
//Getting the Bitmap from Gallery
Log.i("file path", "" + filePath);
final Bitmap bitmap = MediaStore.Images.Media.getBitmap(getContentResolver(), filePath);
//Setting the Bitmap to ImageView
Date now = new Date();
android.text.format.DateFormat.format("yyyy-MM-dd_hh:mm:ss", now);
File imageFile = null;
String mPath = null;
try {
// image naming and path to include sd card appending name you choose for file
mPath = Environment.getExternalStorageDirectory().toString() + "/" + now.getTime() + ".jpg";
imageFile = new File(mPath);
FileOutputStream outputStream = new FileOutputStream(imageFile);
int quality = 100;
bitmap.compress(Bitmap.CompressFormat.JPEG, quality, outputStream);
outputStream.flush();
outputStream.close();
} catch (Exception e) {
e.printStackTrace();
}
UserProfile userProfile = new UserProfile();
userProfile.setImagePath(mPath);
ProfileTable.getInstance().add(signupBean); // Here setting gallery image path into ProfileTable
userImage.setImageBitmap(bitmap); // userImage is an Imageview
} catch (IOException e) {
e.printStackTrace();
}
}
public void settingImaePath(Uri fileUri) {
String filePath = fileUri.getPath();
if (filePath != null) {
// Displaying the image or video on the screen
previewMedia(filePath);
}
}
private void previewMedia(String filePath) {
// Checking whether captured media is image or video
Log.i("file path", "" + filePath);
// bimatp factory
BitmapFactory.Options options = new BitmapFactory.Options();
// down sizing image as it throw s OutOfMemory Exception for larger
// images
options.inSampleSize = 8;
final Bitmap bitmap = BitmapFactory.decodeFile(filePath, options);
Date now = new Date();
android.text.format.DateFormat.format("yyyy-MM-dd_hh:mm:ss", now);
File imageFile = null;
String mPath = null;
try {
// image naming and path to include sd card appending name you choose for file
mPath = Environment.getExternalStorageDirectory().toString() + "/" + now.getTime() + ".jpg";
imageFile = new File(mPath);
FileOutputStream outputStream = new FileOutputStream(imageFile);
int quality = 80;
bitmap.compress(Bitmap.CompressFormat.JPEG, quality, outputStream);
outputStream.flush();
outputStream.close();
} catch (Exception e) {
e.printStackTrace();
}
UserProfile userProfile = new UserProfile();
userProfile.setImagePath(mPath);
ProfileTable.getInstance().add(signupBean); // Here setting gallery image path into ProfileTable
userImage.setImageBitmap(bitmap);
}
//For Viewing save image from path
final Bitmap bitmap = BitmapFactory.decodeFile(imagePath);
imageView.setImageBitmap(bitmap);