Android选择本地图片或者照片裁剪

/**
 * 
 * @author 
 *
 */
public class PersonalCenterFragment extends Fragment implements OnClickListener{
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

 private ImageView head;//人头
private Bitmap bitmap;


/* 头像名称 */
private static final String PHOTO_FILE_NAME = "temp_photo.jpg";
private File tempFile;
private FrameLayout head;//人头
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View view=inflater.inflate(R.layout.fragment_personal_center, container,false);
initView(view);
return view;
}
//初始化
private void initView(View view) {
head=(FrameLayout) view.findViewById(R.id.head);
head.setOnClickListener(this);
}
@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.head://更换人头
createPickPhotoDialog();
break;


default:
break;
}

}
 

private void createPickPhotoDialog() {
final Context dialogContext = new ContextThemeWrapper(getActivity(),android.R.style.Theme_Light);
final ListAdapter adapter = ArrayAdapter.createFromResource(
dialogContext, R.array.pick_photo_items,
android.R.layout.simple_list_item_1);
final AlertDialog.Builder builder = new AlertDialog.Builder(dialogContext);
builder.setTitle(R.string.select_avatar).setSingleChoiceItems(adapter, -1, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
switch (which) {
// 照相
case 0:
camera();
break;
// 选择照片
case 1:
gallery();
break;
default:
break;
}
}
}).create().show();
 


}
/*
* 从相册获取
*/
public void gallery() {
// 激活系统图库，选择一张图片
Intent intent = new Intent(Intent.ACTION_PICK);
intent.setType("image/*");
startActivityForResult(intent, PHOTO_REQUEST_GALLERY);
}
/*
* 从相机获取
*/
public void camera() {
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 (hasSdcard()) {
intent.putExtra(MediaStore.EXTRA_OUTPUT,
Uri.fromFile(new File(Environment
.getExternalStorageDirectory(), PHOTO_FILE_NAME)));
}
startActivityForResult(intent, PHOTO_REQUEST_CAMERA);
}



 

@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {


if (requestCode == PHOTO_REQUEST_GALLERY) {
if (data != null) {
// 得到图片的全路径
Uri uri = data.getData();
crop(uri);
}


} else if (requestCode == PHOTO_REQUEST_CAMERA) {
if (hasSdcard()) {
tempFile = new File(Environment.getExternalStorageDirectory(),
PHOTO_FILE_NAME);
crop(Uri.fromFile(tempFile));
} else {
Toast.makeText(getActivity(), "未找到存储卡，无法存储照片！", 0).show();
}


} else if (requestCode == PHOTO_REQUEST_CUT) {
try {

bitmap = data.getParcelableExtra("data");

//控件显示人头

head.setImageBitmap(bitmap);
boolean delete = tempFile.delete();
System.out.println("delete = " + delete);


} catch (Exception e) {
e.printStackTrace();
}


}


super.onActivityResult(requestCode, resultCode, data);

super.onActivityResult(requestCode, resultCode, data);
}
/**
* 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);
}
private boolean hasSdcard() {
if (Environment.getExternalStorageState().equals(
Environment.MEDIA_MOUNTED)) {
return true;
} else {
return false;
}
}

}