Android编程实现调用相册、相机及拍照后直接裁剪的方法
本文实例讲述了Android编程实现调用相册、相机及拍照后直接裁剪的方法。分享给大家供大家参考,具体如下:
packagecom.cvte.health.phone; importjava.io.File; importjava.text.SimpleDateFormat; importjava.util.Date; importandroid.app.Activity; importandroid.content.ContentResolver; importandroid.content.ContentUris; importandroid.content.Intent; importandroid.database.Cursor; importandroid.graphics.Bitmap; importandroid.graphics.drawable.Drawable; importandroid.net.Uri; importandroid.os.Bundle; importandroid.os.Environment; importandroid.provider.MediaStore; importandroid.view.View; importandroid.view.View.OnClickListener; importandroid.widget.Button; importandroid.widget.ImageView; importcom.cvte.health.AccountManager; importcom.cvte.health.HealthApplication; importcom.cvte.health.R; importcom.cvte.health.api.ImageUpdater; importcom.cvte.health.database.User; publicclassChangePortraitActivityextendsActivity{ privateImageViewmImageView; privateButtonmButtonCamera; privateButtonmButtonPhoto; privateButtonmButtonBack; privateButtonmButtonSave; privateUsermUser=null; privateFilemCurrentPhotoFile; @Override publicvoidonCreate(BundlesavedInstanceState){ super.onCreate(savedInstanceState); setContentView(R.layout.activity_change_portrait); HealthApplication.getInstance().addActivity(this); mUser=AccountManager.getInstance().getCurrentUser(); mImageView=(ImageView)this.findViewById(R.id.imageview_preview); mButtonCamera=(Button)this.findViewById(R.id.button_cameraButton); mButtonPhoto=(Button)this.findViewById(R.id.button_photoButton); mButtonBack=(Button)findViewById(R.id.button_back); mButtonSave=(Button)findViewById(R.id.button_save); ImageUpdater.getInstance(this).updateUserPhoto(mUser,mImageView); mButtonCamera.setOnClickListener(newOnClickListener(){ @Override publicvoidonClick(Viewv){ Intentintent=newIntent("android.media.action.IMAGE_CAPTURE"); mCurrentPhotoFile=newFile("mnt/sdcard/DCIM/Camera/", getPhotoFileName()); intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(mCurrentPhotoFile)); startActivityForResult(intent,Activity.DEFAULT_KEYS_DIALER); /* *Intentintent=new *Intent("android.media.action.IMAGE_CAPTURE"); *intent.putExtra(MediaStore.EXTRA_OUTPUT,Uri.fromFile(new *File(Environment.getExternalStorageDirectory(), *"camera.jpg"))); *intent.putExtra(MediaStore.EXTRA_VIDEO_QUALITY,0); *startActivityForResult(intent,10); */ } }); mButtonPhoto.setOnClickListener(newOnClickListener(){ @Override publicvoidonClick(Viewv){ Intentintent=newIntent(Intent.ACTION_GET_CONTENT); intent.addCategory(Intent.CATEGORY_OPENABLE); intent.setType("image/*"); intent.putExtra("crop","true"); intent.putExtra("aspectX",1); intent.putExtra("aspectY",1); intent.putExtra("outputX",300); intent.putExtra("outputY",300); intent.putExtra("return-data",true); startActivityForResult(intent,11); } }); mButtonBack.setOnClickListener(newOnClickListener(){ @Override publicvoidonClick(Viewv){ finish(); } }); mButtonSave.setOnClickListener(newOnClickListener(){ @Override publicvoidonClick(Viewv){ Intentintent=newIntent(ChangePortraitActivity.this, UserProfileActivity.class); mImageView.setDrawingCacheEnabled(Boolean.TRUE); intent.putExtra("BITMAP",mImageView.getDrawingCache());//这里可以放一个bitmap startActivity(intent); finish(); overridePendingTransition(R.anim.activity_in_from_left, R.anim.activity_out_from_right); } }); } @Override protectedvoidonActivityResult(intrequestCode,intresultCode,Intentdata){ if(requestCode==10&&resultCode==Activity.RESULT_OK){ mImageView.setImageDrawable(Drawable.createFromPath(newFile( Environment.getExternalStorageDirectory(),"camera.jpg") .getAbsolutePath())); }elseif(requestCode==11&&resultCode==Activity.RESULT_OK){ BitmapcameraBitmap=(Bitmap)data.getExtras().get("data"); mImageView.setImageBitmap(cameraBitmap); }elseif(requestCode==1&&resultCode==Activity.RESULT_OK){ UriimgUri=MediaStore.Images.Media.EXTERNAL_CONTENT_URI; ContentResolvercr=ChangePortraitActivity.this .getContentResolver(); UrifileUri=Uri.fromFile(mCurrentPhotoFile); sendBroadcast(newIntent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE, fileUri)); try{ Thread.sleep(3000); }catch(InterruptedExceptione){ e.printStackTrace(); } Cursorcursor=cr.query(imgUri,null, MediaStore.Images.Media.DISPLAY_NAME+"='" +mCurrentPhotoFile.getName()+"'",null,null); Uriuri=null; if(cursor!=null&&cursor.getCount()>0){ cursor.moveToLast(); longid=cursor.getLong(0); uri=ContentUris.withAppendedId(imgUri,id); } finalIntentintent=newIntent("com.android.camera.action.CROP"); intent.setDataAndType(uri,"image/*"); intent.putExtra("crop","true"); intent.putExtra("aspectX",1); intent.putExtra("aspectY",1); intent.putExtra("outputX",300); intent.putExtra("outputY",300); intent.putExtra("return-data",true); ChangePortraitActivity.this.startActivityForResult(intent,3); }elseif(requestCode==3&&resultCode==Activity.RESULT_OK){ BitmapcameraBitmap=(Bitmap)data.getExtras().get("data"); mImageView.setImageBitmap(cameraBitmap); } } privateStringgetPhotoFileName(){ Datedate=newDate(System.currentTimeMillis()); SimpleDateFormatdateFormat=newSimpleDateFormat( "'IMG'_yyyyMMdd_HHmmss"); returndateFormat.format(date)+".jpg"; } }
更多关于Android相关内容感兴趣的读者可查看本站专题:《Android拍照与图片处理技巧总结》、《Android图形与图像处理技巧总结》、《Android开发入门与进阶教程》、《Android调试技巧与常见问题解决方法汇总》、《Android基本组件用法总结》、《Android视图View技巧总结》、《Android布局layout技巧总结》及《Android控件用法总结》
希望本文所述对大家Android程序设计有所帮助。