【移动应用开发技术】拍照剪切and获取sd卡中的图片

【移动应用开发技术】拍照剪切and获取sd卡中的图片

packagecom.truekey.alarmclock.user;importjava.io.File;importandroid.app.Activity;importandroid.app.Dialog;importandroid.content.Context;importandroid.content.Intent;importandroid.content.SharedPreferences;importandroid.graphics.Bitmap;importandroid.graphics.drawable.BitmapDrawable;importandroid.graphics.drawable.Drawable;import.Uri;importandroid.os.Bundle;importandroid.os.Environment;importvider.MediaStore;importandroid.view.Gravity;importandroid.view.LayoutInflater;importandroid.view.View;importandroid.view.View.OnClickListener;importandroid.view.Window;importandroid.widget.Button;importandroid.widget.ImageView;importandroid.widget.RelativeLayout.LayoutParams;importandroid.widget.TextView;importcom.truekey.alarmclock.R;publicclassUserInfoActivityextendsActivity{ImageViewuser_header_p_w_picpath;DialogpictureDialog;ViewpictureView;ButtontakePictureBtn,allPicture,cancle;privatestaticfinalintSCALE=15;//照片缩小比例StringimgBase64;StringfileName=null;ImageViewiv_title_left,iv_title_right;@OverrideprotectedvoidonCreate(BundlesavedInstanceState){super.onCreate(savedInstanceState);setContentView(R.layout.user_info_layout);iv_title_right=(ImageView)findViewById(R.id.iv_title_right);iv_title_left=(ImageView)findViewById(R.id.iv_title_left);user_header_p_w_picpath=(ImageView)findViewById(R.id.user_header_p_w_picpath);TextViewnicheng_tv=(TextView)findViewById(R.id.nicheng_tv);pictureDialog();}publicvoidonClick(Viewv){switch(v.getId()){caseR.id.user_header_p_w_picpath:pictureDialog.show();pictureDialog.getWindow().setLayout(LayoutParams.MATCH_PARENT,LayoutParams.WRAP_CONTENT);break;caseR.id.iv_title_right:finish();overridePendingTransition(R.anim.home_main_last_twoactivity_out,R.anim.ptr_slide_out_to_bottom);break;caseR.id.iv_title_left:finish();overridePendingTransition(R.anim.home_main_last_twoactivity_in,R.anim.ptr_slide_out_to_bottom);default:break;}}//拍照布局publicvoidpictureDialog(){pictureView=LayoutInflater.from(UserInfoActivity.this).inflate(R.layout.takepicture_dialog,null);cancle=(Button)pictureView.findViewById(R.id.cancle);takePictureBtn=(Button)pictureView.findViewById(R.id.take_picture);takePictureBtn.setOnClickListener(newButtonOnClickListener());//所有的图片选取。。allPicture=(Button)pictureView.findViewById(R.id.all_picture);//所有图片allPicture.setOnClickListener(newOnClickListener(){@OverridepublicvoidonClick(Viewv){Intentintent=newIntent(Intent.ACTION_PICK,null);intent.setDataAndType(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,"p_w_picpath/*");startActivityForResult(intent,1);}});//取消cancle.setOnClickListener(newOnClickListener(){@OverridepublicvoidonClick(Viewv){pictureDialog.dismiss();}});if(pictureView!=null){/*自定义对话框*/pictureDialog=newDialog(this,R.style.mydialog);pictureDialog.setContentView(pictureView);pictureDialog.setCancelable(false);Windowwindow=pictureDialog.getWindow();window.setWindowAnimations(R.style.AlterDialogAnima);window.setGravity(Gravity.BOTTOM);}}publicfinalstaticintCAMERA_RESULT=8888;//拍照获取图片privateclassButtonOnClickListenerimplementsView.OnClickListener{@OverridepublicvoidonClick(Viewv){Intentintent=newIntent(MediaStore.ACTION_IMAGE_CAPTURE);//下面这句指定调用相机拍照后的照片存储的路径intent.putExtra(MediaStore.EXTRA_OUTPUT,Uri.fromFile(newFile(Environment.getExternalStorageDirectory(),"xiaoma.jpg")));startActivityForResult(intent,2);}}@OverrideprotectedvoidonActivityResult(intrequestCode,intresultCode,Intentdata){super.onActivityResult(requestCode,resultCode,data);if(resultCode==RESULT_OK){switch(requestCode){case1:startPhotoZoom(data.getData());break;//如果是调用相机拍照时case2:Filetemp=newFile(Environment.getExternalStorageDirectory()+"/xiaoma.jpg");startPhotoZoom(Uri.fromFile(temp));break;//取得裁剪后的图片case3:/***非空判断大家一定要验证，如果不验证的话，在剪裁之后如果发现不满意，要重新裁剪，丢弃*当前功能时，会报NullException，小马只在这个地方加下，大家可以根据不同情况在合适的地方做判断处理类似情况**/if(data!=null){setPicToView(data);}break;default:break;}}}/***裁剪图片方法实现**@paramuri*/publicvoidstartPhotoZoom(Uriuri){Intentintent=newIntent("com.android.camera.action.CROP");intent.setDataAndType(uri,"p_w_picpath/*");//下面这个crop=true是设置在开启的Intent中设置显示的VIEW可裁剪intent.putExtra("crop","true");//aspectXaspectY是宽高的比例intent.putExtra("aspectX",1);intent.putExtra("aspectY",1);//outputXoutputY是裁剪图片宽高intent.putExtra("outputX",150);intent.putExtra("outputY",150);intent.putExtra("return-data",true);startActivityForResult(intent,3);}/***保存裁剪之后的图片数据**@parampicdata*/privatevoidsetPicToView(Intentpicdata){Bundleextras=picdata.getExtras();if(extras!=null){Bitmapphoto=extras.getParcelable("data");Drawabledrawable=newBitmapDrawable(photo);pictureDialog.dismiss();//为防止原始图片过大导致内存溢出，这里先缩小原图显示，然后释放原始Bitmap占用的内存Bitmapchoosepicture=ImageTools.toRoundBitmap2(photo);//释放原始图片占用的内存，防止outofmemory异常发生photo.recycle();user_header_p_w_picpath.setImageBitmap(choosepicture);}}//用于保存图片publicvoidputSharedpreference(Stringtakepicture){SharedPreferencesshared=getSharedPreferences("temp",Context.MODE_PRIVATE);SharedPreferences.Editoredit=shared.edit();edit.putString("picture",takepicture);mit();}publicStringgetSh