相机拍照剪裁

package com.example.pick_camera;

import java.io.File;
import java.io.FileOutputStream;

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.os.Parcelable;
import android.provider.MediaStore;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.ImageView;

public class MainActivity extends Activity {

ImageView img;

String path = Environment.getExternalStorageDirectory()+"/a.png";
@Override

protected void onCreate(Bundle savedInstanceState) {

    super.onCreate(savedInstanceState);
    
          setContentView(R.layout.activity_main);
    
     img = (ImageView) findViewById(R.id.imageView1);
}

public void getcamera(View view){
	//调用系统像机：
	//需要使用Intent的隐式跳转，Action为MediaStore.ACTION_IMAGE_CATURE，
	//需要添加种类addCategory(“android.intent.category.DEFAULT”)
	Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
	intent.addCategory("android.intent.category.DEFAULT");
	//见图片存入内存
	intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(new File(path)));
	startActivityForResult(intent, 1000);
}

@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
	// TODO Auto-generated method stub
	if(requestCode==1000 && resultCode==RESULT_OK){
	
		 //裁剪
		 Intent mintent = new Intent("com.android.camera.action.CROP");
		 mintent.setDataAndType(Uri.fromFile(new File(path)),"image/*");
		 
		 //是否支持剪裁
		 mintent.putExtra("crop", true);
		 mintent.putExtra("acpactX", 1);
		 mintent.putExtra("acpactY", 1);
		 
		 mintent.putExtra("outputX", 250);
		 mintent.putExtra("outputY", 250);
		 
		 //返回
		 mintent.putExtra("return-data", true);
		 
		 startActivityForResult(mintent, 2000);
	}
	
	if(requestCode==2000 && resultCode==RESULT_OK){
		 Bitmap bitmap = data.getParcelableExtra("data");
		 img.setImageBitmap(bitmap);
	}
}

}