拍照，去相册剪切图片

package com.activity;

import java.io.ByteArrayOutputStream; 

import java.io.File; 

import android.app.Activity; 

import android.content.Intent; 

import android.graphics.Bitmap; 

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; 

 

public class AlbumTestActivity extends Activity
{

    public static final int NONE = 0; 

    public static final int PHOTOHRAPH = 1;// 拍照  

    public static final int PHOTOZOOM = 2; // 缩放  

    public static final int PHOTORESOULT = 3;// 结果  

 

    public static final String IMAGE_UNSPECIFIED = "image/*"; 

    ImageView imageView = null; 

    Button button0 = null; 

    Button button1 = null; 

 

    @Override 

    public void onCreate(Bundle savedInstanceState) { 

        super.onCreate(savedInstanceState); 

        setContentView(R.layout.imgprocessing); 

        imageView = (ImageView) findViewById(R.id.imageID); 

        button0 = (Button) findViewById(R.id.btn_01); 

        button1 = (Button) findViewById(R.id.btn_02); 

 

        button0.setOnClickListener(new OnClickListener()
        {
            @Override 
            public void onClick(View v)
            {
                Intent intent = new Intent(Intent.ACTION_PICK, null); 
                intent.setDataAndType(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, IMAGE_UNSPECIFIED); 
                startActivityForResult(intent, PHOTOZOOM);
            }
        });
        button1.setOnClickListener(new OnClickListener()
        {
            @Override 
            public void onClick(View v)
            {
                Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE); 
                intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(new File(Environment.getExternalStorageDirectory(), "temp.jpg"))); 
                startActivityForResult(intent, PHOTOHRAPH);
            }
        }); 
    }
    @Override 

    protected void onActivityResult(int requestCode, int resultCode, Intent data) { 

        if (resultCode == NONE) 

            return; 

        // 拍照  

        if (requestCode == PHOTOHRAPH) { 

            //设置文件保存路径这里放在跟目录下  

            File picture = new File(Environment.getExternalStorageDirectory() + "/temp.jpg"); 

            startPhotoZoom(Uri.fromFile(picture)); 

        } 

         

        if (data == null) 

            return; 

         

        // 读取相册缩放图片  

        if (requestCode == PHOTOZOOM) { 

            startPhotoZoom(data.getData()); 

        } 

        // 处理结果  

        if (requestCode == PHOTORESOULT) { 

            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  

                imageView.setImageBitmap(photo); 

            } 

 

        } 

 

        super.onActivityResult(requestCode, resultCode, data); 

    } 

 

    public void startPhotoZoom(Uri uri)
    {
        Intent intent = new Intent("com.android.camera.action.CROP"); 
        intent.setDataAndType(uri, IMAGE_UNSPECIFIED); 
        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",100); 
        intent.putExtra("outputY",100); 
        intent.putExtra("return-data", true); 
        startActivityForResult(intent, PHOTORESOULT); 
    } 

} 

---------------

<?xml version="1.0" encoding="utf-8"?> 

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" 

    android:orientation="vertical" android:layout_width="fill_parent" 

    android:layout_height="fill_parent"> 

    <TextView android:layout_width="fill_parent" 

        android:layout_height="wrap_content" android:text="@string/hello" /> 

    <ImageView android:id="@+id/imageID" 

        android:adjustViewBounds="true"  

         android:layout_width="100dp" 

        android:layout_height="100dp" /> 

    <Button android:id="@+id/btn_01" android:layout_height="50dip" 

            android:text="相册" android:layout_width="150dip"/> 

    <Button android:id="@+id/btn_02" android:layout_height="50dip" 

            android:text="拍照" android:layout_width="150dip"/> 

</LinearLayout>
---------

权限

<!--读写SD卡权限-->  
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />  
    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />