android 拍照和上传的实现代码

复制代码 代码如下:

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 PhotoActivity 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.photo);  

        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�?  

        intent.putExtra("outputX", 64);  

        intent.putExtra("outputY", 64);  

        intent.putExtra("return-data", true);  

        startActivityForResult(intent, PHOTORESOULT);  

    }  

}