Android上传头像代码，相机，相册，裁剪

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >

<Button
android:id="@+id/btn_01"
android:layout_width="150dip"
android:layout_height="50dip"
android:text="相册" />

<Button
android:id="@+id/btn_02"
android:layout_width="150dip"
android:layout_height="50dip"
android:text="拍照" />

<ImageView
android:id="@+id/imageID"
android:layout_width="match_parent"
android:layout_height="match_parent" />

</LinearLayout>

package com.example.uploadhead;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.InputStream;
import java.text.SimpleDateFormat;
import java.util.Date;

import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.provider.MediaStore;
import android.app.Activity;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;

import android.view.View;

import android.widget.Button;
import android.widget.ImageView;

public class MainActivity extends Activity {

public static final int NONE = 0;
public static final int PHOTO_CAMERA = 1;// 相机拍照
public static final int PHOTO_COMPILE = 2; // 编辑图片
public static final int PHOTO_RESOULT = 3;// 结果

ImageView headImageView = null;
Button photo_button = null;
Button camera_button = null;
private String ImageName;

public static String getStringToday() {
Date currentTime = new Date();
SimpleDateFormat formatter = new SimpleDateFormat("yyyyMMddHHmmss");
String dateString = formatter.format(currentTime);
return dateString;
}

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

headImageView = (ImageView) findViewById(R.id.imageID);//找到要填充的imageView

photo_button = (Button) findViewById(R.id.btn_01);// 相册按钮
camera_button = (Button) findViewById(R.id.btn_02);// 拍照按钮

//开启系统的相册
photo_button.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
// 设置调用系统相册的意图(隐式意图)
Intent intent = new Intent();

//设置值活动//android.intent.action.PICK
intent.setAction(Intent.ACTION_PICK);

//设置类型和数据
intent.setDataAndType(
MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
"image/*");

// 开启系统的相册
startActivityForResult(intent, PHOTO_COMPILE);
}
});

//开启系统摄像头
camera_button.setOnClickListener(new View.OnClickListener() {

public void onClick(View v) {
//设置图片的名称
ImageName = "/" + getStringToday() + ".jpg";

// 设置调用系统摄像头的意图(隐式意图)
Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);

//设置照片的输出路径和文件名

File file= new File(Environment.getExternalStorageDirectory(), ImageName);

intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(file));
//开启摄像头
startActivityForResult(intent, PHOTO_CAMERA);
}
});

}

// 调用startActivityResult，返回之后的回调函数
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
if (resultCode == NONE)
return;

// 通过照相机拍照的图片出理
if (requestCode == PHOTO_CAMERA) {
// 设置文件保存路径这里放在跟目录下
File picture = new File(Environment.getExternalStorageDirectory()
+ ImageName);
//裁剪图片
startPhotoZoom(Uri.fromFile(picture));
}

if (data == null)
return;

// 读取相册裁剪图片
if (requestCode == PHOTO_COMPILE) {
//裁剪图片
startPhotoZoom(data.getData());
}


// 裁剪照片的处理结果
if (requestCode == PHOTO_RESOULT) {

Bundle extras = data.getExtras();

if (extras != null) {

Bitmap photo = extras.getParcelable("data");

ByteArrayOutputStream stream = new ByteArrayOutputStream();
photo.compress(Bitmap.CompressFormat.JPEG, 75, stream);// (0 -
// 100)压缩文件

//设置图片显示内容
headImageView.setImageBitmap(photo);
}

}

super.onActivityResult(requestCode, resultCode, data);
}


/**调用系统的裁剪图片功能
*
* @param uri图片的路径
*/
public void startPhotoZoom(Uri uri) {

Intent intent = new Intent("com.android.camera.action.CROP");
intent.setDataAndType(uri, "image/*");
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", 64);
intent.putExtra("outputY", 64);
intent.putExtra("return-data", true);

startActivityForResult(intent, PHOTO_RESOULT);
}

}