调用系统相机拍照，获得原图(不经过系统自动压缩的图片)

[android]代码库

public class MainActivity extends Activity {

	private String path = Environment.getExternalStorageDirectory() + "/aImage/";
	private String fileName;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);

		Button button = (Button) findViewById(R.id.button1);
		button.setOnClickListener(new OnClickListener() {

			@Override
			public void onClick(View arg0) {
				File file = new File(path);
				if (!file.exists()) {
					file.mkdir();
				}
				fileName = String.valueOf(System.currentTimeMillis())+".jpg";
				Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
				intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(new File(path + fileName)));
				startActivityForResult(intent, Activity.DEFAULT_KEYS_DIALER);
			}
		});
	}
	
	protected void onActivityResult(int requestCode, int resultCode, Intent data) {
		super.onActivityResult(requestCode, resultCode, data);

		switch (requestCode) {
		case Activity.DEFAULT_KEYS_DIALER: {
			File file = new File(path + fileName);
			Log.e("mTag", file.length() / 1024 + "");
			break;
		}
		}
	}

}