Android简单的调用系统相机和相册

  public void reasonAdd(View v)    {       final String [] strs=new String[]{"拍照","相册"};        AlertDialog.Builder builder=new AlertDialog.Builder(this);        builder.setTitle("照片");        builder.setItems(strs, new DialogInterface.OnClickListener() {            @Override            public void onClick(DialogInterface dialog, int which) {                //拍照可以用两种方法来实现                //1.调用系统相机 2.自定义相机                if (which==0) {                       Intent intent=new Intent(MediaStore.ACTION_IMAGE_CAPTURE);                        startActivityForResult(intent,1);                }                //调用系统相册                if (which==1) {                    Intent intent=new Intent(Intent.ACTION_GET_CONTENT);                    intent.addCategory(Intent.CATEGORY_OPENABLE);                    intent.setType("p_w_picpath/*");                    intent.putExtra("crop", "true");                    intent.putExtra("aspectX", 1);                    intent.putExtra("aspectY", 1);                    intent.putExtra("outputX", 80);                    intent.putExtra("outputY", 80);                    intent.putExtra("return-data", true);                    startActivityForResult(intent, 0);                }            }        });        builder.show();    }     // 写一个方法来实现相机    @Override    protected void onActivityResult(int requestCode, int resultCode, Intent data) {        super.onActivityResult(requestCode, resultCode, data);        if(resultCode== Activity.RESULT_OK)        {            String sdStatus= Environment.getExternalStorageState();            if(!sdStatus.equals(Environment.MEDIA_MOUNTED))            {                Log.i("TestFile", "SD card is not avaiable right now");                return;            }            String name= Calendar.getInstance(Locale.CANADA)+".jpg";            Bundle bundle=data.getExtras();            FileOutputStream b=null;            // 实现设置图片的大小，然后显示            Intent intent1=new Intent("com.android.camera.actioin.CROP");            intent1.putExtra("crop","true");            intent1.putExtra("outputX",250);            intent1.putExtra("outputY", 250);            intent1.putExtra("aspectX",1);            intent1.putExtra("aspectY", 1);            Bitmap source= (Bitmap) bundle.get("data");            file=new File("/sdcard/myp_w_picpath/");            file.mkdir();            String Filename="/sdcard/myp_w_picpath/"+name;            try {                b=new FileOutputStream(Filename);                source.compress(Bitmap.CompressFormat.JPEG,100,b);                b.flush();                b.close();            } catch (FileNotFoundException e) {                e.printStackTrace();            } catch (IOException e) {                e.printStackTrace();            }            leave_iv_icon.setImageBitmap(source);            icon=source;        }else if(resultCode==0)        {            Bitmap cameraBitmap = (Bitmap) data.getExtras().get("data");            leave_iv_icon.setImageBitmap(cameraBitmap);            icon=cameraBitmap;        }    }
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