安卓裁剪上传保存头像

private String[] items = new String[] { "图库", "拍照" };

private static final int IMAGE_REQUEST_CODE = 0;
private static final int CAMERA_REQUEST_CODE = 1;
private static final int RESULT_REQUEST_CODE = 2;

public void headphoto(View view) {
new AlertDialog.Builder(this)
.setTitle("设置头像")
.setItems(items, new DialogInterface.OnClickListener() {

@Override
public void onClick(DialogInterface dialog, int which) {
switch (which) {
case 0:
Intent intentFromGallery = new Intent();
intentFromGallery.setType("image/*"); // 设置文件类型
intentFromGallery
.setAction(Intent.ACTION_GET_CONTENT);
startActivityForResult(intentFromGallery,
IMAGE_REQUEST_CODE);
break;
case 1:
Intent intent = new Intent(
MediaStore.ACTION_IMAGE_CAPTURE);
intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri
.fromFile(new File(Environment
.getExternalStorageDirectory()+ "/head/",
"temp.jpg")));
startActivityForResult(intent, CAMERA_REQUEST_CODE);
break;
}
}
})
.setNegativeButton("取消", new DialogInterface.OnClickListener() {

@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
}
}).show();

}

@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
// 结果码不等于取消时候
if (resultCode != RESULT_CANCELED) {

switch (requestCode) {
case IMAGE_REQUEST_CODE:
startPhotoZoom(data.getData());
break;
case CAMERA_REQUEST_CODE:
File picture = new File(
Environment.getExternalStorageDirectory() + "/head/temp.jpg");
startPhotoZoom(Uri.fromFile(picture));
break;
case RESULT_REQUEST_CODE:
if (data != null) {
getImageToView(data);
}
break;
}
}
super.onActivityResult(requestCode, resultCode, data);
}

/**
* 裁剪图片方法实现
*
* @param uri
*/
public void startPhotoZoom(Uri uri) {

Intent intent = new Intent("com.android.camera.action.CROP");
intent.setDataAndType(uri, "image/*");
// 设置裁剪
intent.putExtra("crop", "true");
// aspectX aspectY 是宽高的比例
intent.putExtra("aspectX", 1);
intent.putExtra("aspectY", 1);
// outputX outputY 是裁剪图片宽高
intent.putExtra("outputX", 320);
intent.putExtra("outputY", 320);
intent.putExtra("return-data", true);
startActivityForResult(intent, 2);
}

/**
* 保存裁剪之后的图片数据
*
* @param picdata
*/
private void getImageToView(Intent data) {
Bundle extras = data.getExtras();
if (extras != null) {
Bitmap photo = extras.getParcelable("data");
Drawable drawable = new BitmapDrawable(photo);
head.setImageDrawable(drawable);
savePic(photo);
}
}

/**
* @param bitmap
* @throws 保存图片到本地
*/
public void savePic(Bitmap b) {

FileOutputStream fos = null;
try {
String path = (Environment.getExternalStorageDirectory()
.getAbsolutePath() + "/head/");
File file = new File(path);
if (!file.exists()) {
file.mkdirs();
}
File f = new File(path, "head.png");
if (f.exists()) {
f.delete();
}

fos = new FileOutputStream(f);
if (null != fos) {
b.compress(Bitmap.CompressFormat.PNG, 90, fos);
fos.flush();
fos.close();
}
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}

/**
* @param 读取照片
* @return
*/
public static Bitmap getDiskBitmap(String pathString) {
Bitmap bitmap = null;
try {
File file = new File(pathString);
if (file.exists()) {
bitmap = BitmapFactory.decodeFile(pathString);
}
} catch (Exception e) {
}
return bitmap;
}

String path = (Environment.getExternalStorageDirectory()
.getAbsolutePath() + "/bbpet/head/head.png");
Bitmap bitmap = MyDataActivity.getDiskBitmap(path);
if (bitmap != null) {
headimg.setImageBitmap(bitmap);
} else {
headimg.setBackgroundResource(R.drawable.ic_launcher);
}