基本信息

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   源码介绍

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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 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 headImageView = null;
	Button button0 = null;
	Button button1 = null;
	private String ImageName;
	private Button postButton;

	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);
		button0 = (Button) findViewById(R.id.btn_01);// 相册按钮
		button1 = (Button) findViewById(R.id.btn_02);// 拍照按钮
		postButton = (Button) findViewById(R.id.buttonPost);

		button0.setOnClickListener(new View.OnClickListener() {
			public void onClick(View v) {
				// 调用系统的相册
				Intent intent = new Intent(Intent.ACTION_PICK, null);
				intent.setDataAndType(
						MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
						IMAGE_UNSPECIFIED);

				// 调用剪切功能
				startActivityForResult(intent, PHOTOZOOM);
			}
		});

		button1.setOnClickListener(new View.OnClickListener() {

			public void onClick(View v) {
				ImageName = "/"   getStringToday()   ".jpg";

				// 调用系统的拍照功能
				Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
				intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(new File(
						Environment.getExternalStorageDirectory(), ImageName)));
				startActivityForResult(intent, PHOTOHRAPH);
			}
		});

		postButton.setOnClickListener(new View.OnClickListener() {

			public void onClick(View arg0) {
				// TODO Auto-generated method stub
				Bitmap photo = BitmapFactory.decodeResource(getResources(),
						R.drawable.ic_launcher);
				ByteArrayOutputStream stream = new ByteArrayOutputStream();
				photo.compress(Bitmap.CompressFormat.JPEG, 75, stream);// (0 -
																		// 100)压缩文件
				InputStream isBm = new ByteArrayInputStream(stream
						.toByteArray());
				NewService newService = new NewService();
				newService.UploadHead(
						"http://192.168.8.185/MobileService/UploadHead.ashx",
						isBm);
				headImageView.setImageBitmap(photo);
			}
		});
	}

	// 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;
		// 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()
					  ImageName);
			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");
				// Bitmap photo =BitmapFactory.decodeResource(getResources(),
				// R.drawable.ic_launcher);
				ByteArrayOutputStream stream = new ByteArrayOutputStream();
				photo.compress(Bitmap.CompressFormat.JPEG, 75, stream);// (0 -
																		// 100)压缩文件
				InputStream isBm = new ByteArrayInputStream(
						stream.toByteArray());
				// NewService newService=new NewService();
				// newService.UploadHead("http://192.168.8.185/MobileService/UploadHead.ashx",
				// isBm);
				headImageView.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", 64);
		intent.putExtra("outputY", 64);
		intent.putExtra("return-data", true);
		startActivityForResult(intent, PHOTORESOULT);
	}

}