android 调用系统照相机拍照后剪裁

private static final int PHOTO_REQUEST_CAMERA = 1;// 拍照
private static final int PHOTO_REQUEST_GALLERY = 2;// 从相册中选择
private static final int PHOTO_REQUEST_CUT = 3;// 结果
/* 头像名称 */
private static String PHOTO_FILE_NAME = "temp_photo.jpg";

private Bitmap bitmap;
private File tempFile;
private String fileName = "temp.jpg";

//头像
@Click(R.id.avatar_rl)
public void myinfo_iv(){
Dialog dialog = new AlertDialog.Builder(this).setIcon(
R.drawable.ic_launcher).setTitle("上传头像").setPositiveButton("相机拍照",
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
Intent intent = new Intent(
"android.media.action.IMAGE_CAPTURE");
// 判断存储卡是否可以用，可用进行存储
if (Utils.hasSdcard()) {
SimpleDateFormat sDateFormat = new SimpleDateFormat(
"yyyyMMdd_HHmmss");
PHOTO_FILE_NAME = sDateFormat
.format(new java.util.Date()) + ".jpg";
intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri
.fromFile(new File(Environment
.getExternalStorageDirectory(),
PHOTO_FILE_NAME)));
}
startActivityForResult(intent, PHOTO_REQUEST_CAMERA);
}
}).setNegativeButton("手机相册", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
Intent intent = new Intent(Intent.ACTION_PICK);
intent.setType("image/*");
startActivityForResult(intent,
PHOTO_REQUEST_GALLERY);
}
}).create();
dialog.show();
}

@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
if (requestCode == PHOTO_REQUEST_GALLERY) { //相册
if (data != null) {
// 得到图片的全路径
Uri uri = data.getData();
String DCIMPath = "";
Cursor cr = this.getContentResolver().query(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
new String[] { MediaStore.Images.Media.DATA }, null, null,
MediaStore.Images.Media.DATE_MODIFIED + " desc");
if (cr.moveToNext()) {
DCIMPath = cr.getString(cr.getColumnIndex(MediaStore.Images.Media.DATA));
}

4000
cr.close();
if(uri!=null){
fileName =getFileName(getRealPathFromURI(data.getData()));
crop(uri);
}else if(!TextUtils.isEmpty(DCIMPath)){
fileName =getFileName(DCIMPath);
crop(Uri.fromFile(new File(DCIMPath)));
}else{
Toast.makeText(MyinfoActivity.this, "未能获取到图片", Toast.LENGTH_SHORT).show();
}
}
} else if (requestCode == PHOTO_REQUEST_CAMERA && resultCode != 0) {//拍照
if (Utils.hasSdcard()) {
tempFile = new File(Environment.getExternalStorageDirectory(),
PHOTO_FILE_NAME);
crop(Uri.fromFile(tempFile));
} else {
Toast.makeText(MyinfoActivity.this, "未找到存储卡，无法存储照片！", Toast.LENGTH_SHORT).show();
}
} else if (requestCode == PHOTO_REQUEST_CUT) {//结果
if (data != null) {
try {
bitmap = data.getParcelableExtra("data");

ByteArrayOutputStream out = new ByteArrayOutputStream();
bitmap.compress(Bitmap.CompressFormat.JPEG, 100, out);
out.flush();
out.close();
byte[] buffer = out.toByteArray();
byte[] encode = Base64.encode(buffer, Base64.DEFAULT);
String photo = new String(encode);
ACache mCache = ACache.get(this);
String token = mCache.getAsString("token");
WaitDialogUtil.showDialog(this);
UpdatePicModel.updatepic(photo, token);

/*       String userId = spUtil.getUserid();
String verifyCode = spUtil.getkey();
mDialog = DialogUtil.getLoginDialog(this);
mDialog.show();
RequestParams params = new RequestParams();
params.put("ImagefileName", fileName);
params.put("filestream", photo);
params.put("userid", userId);
params.put("verifyCode", verifyCode);
String url = URLManage.FileUploadImage();*/
/* HttpUtil.post(url, params, new JsonHttpResponseHandler() {
@Override
public void onFailure(int statusCode, Header[] headers,
String responseBody, Throwable e) {
super.onFailure(statusCode, headers, responseBody,
e);
if (mDialog != null)
mDialog.dismiss();
if (statusCode == 0) {
T.showShort(getApplicationContext(),
R.string.http_failure);
} else {
T.showShort(getApplicationContext(),
R.string.server_failure);
}
}

@Override
public void onSuccess(JSONObject json) { // 返回的是JSONObject，会调用这里
L.i("json", json.toString());
if (mDialog != null)
mDialog.dismiss();
try {
int resultcode = json.getInt("resultcode");
if (resultcode == 0) {
imageLoader.displayImage(
json.optString("data"), img_head,
ImageUtil.getMyInfoHeadOptions());
spUtil.setHeadImg(json
.optString("data"));
T.showShort(getApplicationContext(),
"头像上传成功");
} else {
String msg = json.getString("msg");
T.showShort(getApplicationContext(), msg);
}
} catch (Exception e) {
L.e(e.toString());
}
};
});*/
} catch (Exception e) {
e.printStackTrace();
}
}
}

}

/**
* 从URI获取路径
*
* @param contentUri
* @return
*/
public String getRealPathFromURI(Uri contentUri) {
String[] proj = { MediaStore.Images.Media.DATA };
Cursor cursor = managedQuery(contentUri, proj, null, null, null);
int column_index = cursor
.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
cursor.moveToFirst();
return cursor.getString(column_index);
}

/**
* 获取文件名+扩展名
*
* @param apath
* @return
*/
public String getFileName(String apath) {
int start = apath.lastIndexOf("/");
int end = apath.length();
// int end = apath.lastIndexOf(".");
if (start != -1 && end != -1) {
return apath.substring(start + 1, end);
} else {
return "temp.jpg";
}
}
/**
* 剪切图片
*
* @function:
* @author:Jerry
* @date:2013-12-30
* @param uri
*/
private void crop(Uri uri) {
// 裁剪图片意图
Intent intent = new Intent("com.android.camera.action.CROP");
intent.setDataAndType(uri, "image/*");
intent.putExtra("crop", "true");
// 裁剪框的比例，1：1
intent.putExtra("aspectX", 1);
intent.putExtra("aspectY", 1);
// 裁剪后输出图片的尺寸大小
intent.putExtra("outputX", 250);
intent.putExtra("outputY", 250);
// 图片格式
intent.putExtra("outputFormat", "JPEG");
intent.putExtra("noFaceDetection", true);// 取消人脸识别
intent.putExtra("return-data", true);// true:不返回uri，false：返回uri
startActivityForResult(intent, PHOTO_REQUEST_CUT);
}

//更换头像
EventCenter.bindContainerAndHandler(this, new BmSimpleEventHandler() {
public void onEvent(UpdatePicEvent event) {
myinfo_avatar.setImageBitmap(bitmap);
WaitDialogUtil.dissMiss();
ToastUtil.show(getApplicationContext(),"头像修改成功");
}

}).tryToRegisterIfNot();