授予权限:
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
<uses-permission android:name="android.permission.CAMERA"/>
<uses-feature android:name="android.hardware.camera"/>
<uses-feature android:name="android.hardware.camera.autofocus"/>
File destination = new File(Environment.getExternalStorageDirectory(),"image.jpg");
Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(destination));
startActivityForResult(intent, CAMERA_PICTURE);
然后覆盖从目的地形象onActivityResult水道图像文件转换成位图并保存此。 然后将其转换成字节数组
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data){
if(requestCode == CAMERA_PICTURE && resultCode == Activity.RESULT_OK) {
realImageStr = new String("");
try {
FileInputStream in = new FileInputStream(destination);
BitmapFactory.Options options = new BitmapFactory.Options();
options.inSampleSize = 10; //Downsample 10x
Log.d("PP", " bitmap factory=========="+options);
Bitmap user_picture_bmp = BitmapFactory.decodeStream(in, null, options);
ByteArrayOutputStream bos = new ByteArrayOutputStream();
user_picture_bmp.compress(Bitmap.CompressFormat.PNG, 100, bos);
byte[] bArray = bos.toByteArray();
} catch (Exception e)
{
} }}
当你将节省成字节类型,然后在保存到数据库UR字节码图像coloumn和image列数据类型为BLOB类型。
将图像的路径存储在数据库中。在数据库中存储图像占用更多空间。 – Raghunandan
看看这个http://stackoverflow.com/questions/6041202/how-to-store-images-in-sqlite-database-on-click-event-of-button – Mohit
你想存储图片或图片路径?? – Riser