Android 调用相册，相机并且相机拍照后可直接裁剪

package com.cvte.health.phone;

import java.io.File;
import java.text.SimpleDateFormat;
import java.util.Date;

import android.app.Activity;
import android.content.ContentResolver;
import android.content.ContentUris;
import android.content.Intent;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.drawable.Drawable;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.provider.MediaStore;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.ImageView;

import com.cvte.health.AccountManager;
import com.cvte.health.HealthApplication;
import com.cvte.health.R;
import com.cvte.health.api.ImageUpdater;
import com.cvte.health.database.User;

public class ChangePortraitActivity extends Activity {
	private ImageView mImageView;
	private Button mButtonCamera;
	private Button mButtonPhoto;
	private Button mButtonBack;
	private Button mButtonSave;
	private User mUser = null;
	private File mCurrentPhotoFile;

	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_change_portrait);
		HealthApplication.getInstance().addActivity(this);

		mUser = AccountManager.getInstance().getCurrentUser();
		mImageView = (ImageView) this.findViewById(R.id.imageview_preview);
		mButtonCamera = (Button) this.findViewById(R.id.button_cameraButton);
		mButtonPhoto = (Button) this.findViewById(R.id.button_photoButton);
		mButtonBack = (Button) findViewById(R.id.button_back);
		mButtonSave = (Button) findViewById(R.id.button_save);
		ImageUpdater.getInstance(this).updateUserPhoto(mUser, mImageView);

		mButtonCamera.setOnClickListener(new OnClickListener() {
			@Override
			public void onClick(View v) {
				Intent intent = new Intent("android.media.action.IMAGE_CAPTURE");
				mCurrentPhotoFile = new File("mnt/sdcard/DCIM/Camera/",
						getPhotoFileName());
				intent.putExtra(MediaStore.EXTRA_OUTPUT,
						Uri.fromFile(mCurrentPhotoFile));
				startActivityForResult(intent, Activity.DEFAULT_KEYS_DIALER);
				/*
				 * Intent intent = new
				 * Intent("android.media.action.IMAGE_CAPTURE");
				 * intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(new
				 * File(Environment .getExternalStorageDirectory(),
				 * "camera.jpg")));
				 * intent.putExtra(MediaStore.EXTRA_VIDEO_QUALITY, 0);
				 * startActivityForResult(intent, 10);
				 */
			}
		});

		mButtonPhoto.setOnClickListener(new OnClickListener() {
			@Override
			public void onClick(View v) {
				Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
				intent.addCategory(Intent.CATEGORY_OPENABLE);
				intent.setType("image/*");
				intent.putExtra("crop", "true");
				intent.putExtra("aspectX", 1);
				intent.putExtra("aspectY", 1);
				intent.putExtra("outputX", 300);
				intent.putExtra("outputY", 300);
				intent.putExtra("return-data", true);
				startActivityForResult(intent, 11);
			}
		});

		mButtonBack.setOnClickListener(new OnClickListener() {
			@Override
			public void onClick(View v) {
				finish();
			}
		});

		mButtonSave.setOnClickListener(new OnClickListener() {
			@Override
			public void onClick(View v) {
				Intent intent = new Intent(ChangePortraitActivity.this,
						UserProfileActivity.class);
				mImageView.setDrawingCacheEnabled(Boolean.TRUE);
				intent.putExtra("BITMAP", mImageView.getDrawingCache()); // 这里可以放一个bitmap
				startActivity(intent);
				finish();
				overridePendingTransition(R.anim.activity_in_from_left,
						R.anim.activity_out_from_right);
			}
		});
	}

	@Override
	protected void onActivityResult(int requestCode, int resultCode, Intent data) {
		if (requestCode == 10 && resultCode == Activity.RESULT_OK) {
			mImageView.setImageDrawable(Drawable.createFromPath(new File(
					Environment.getExternalStorageDirectory(), "camera.jpg")
					.getAbsolutePath()));
		} else if (requestCode == 11 && resultCode == Activity.RESULT_OK) {
			Bitmap cameraBitmap = (Bitmap) data.getExtras().get("data");
			mImageView.setImageBitmap(cameraBitmap);

		} else if (requestCode == 1 && resultCode == Activity.RESULT_OK) {
			Uri imgUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
			ContentResolver cr = ChangePortraitActivity.this
					.getContentResolver();
			Uri fileUri = Uri.fromFile(mCurrentPhotoFile);
			sendBroadcast(new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE,
					fileUri));
			try {
				Thread.sleep(3000);
			} catch (InterruptedException e) {
				e.printStackTrace();
			}
			Cursor cursor = cr.query(imgUri, null,
					MediaStore.Images.Media.DISPLAY_NAME + "='"
							+ mCurrentPhotoFile.getName() + "'", null, null);
			Uri uri = null;
			if (cursor != null && cursor.getCount() > 0) {
				cursor.moveToLast();
				long id = cursor.getLong(0);
				uri = ContentUris.withAppendedId(imgUri, id);
			}
			final Intent intent = new Intent("com.android.camera.action.CROP");
			intent.setDataAndType(uri, "image/*");
			intent.putExtra("crop", "true");
			intent.putExtra("aspectX", 1);
			intent.putExtra("aspectY", 1);
			intent.putExtra("outputX", 300);
			intent.putExtra("outputY", 300);
			intent.putExtra("return-data", true);
			ChangePortraitActivity.this.startActivityForResult(intent, 3);
		} else if (requestCode == 3 && resultCode == Activity.RESULT_OK) {
			Bitmap cameraBitmap = (Bitmap) data.getExtras().get("data");
			mImageView.setImageBitmap(cameraBitmap);
		}
	}

	private String getPhotoFileName() {
		Date date = new Date(System.currentTimeMillis());
		SimpleDateFormat dateFormat = new SimpleDateFormat(
				"'IMG'_yyyyMMdd_HHmmss");
		return dateFormat.format(date) + ".jpg";
	}
}