android 调用相机拍照并缩放切割图片

android 下如果做处理图片的软件可以调用系统的控件实现缩放切割图片非常好的效果
package cn.m15.test;

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 testActivity 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.main);
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", 64);
intent.putExtra( "outputY", 64);
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:maxWidth ="50dip"
android:maxHeight ="50dip" android:layout_width ="wrap_content"
android:layout_height ="wrap_content" />
< 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 >

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