After selecting the image library for android photos, you can crop and compress the photos and display them to the imageview.

After selecting the image library for android photos, you can crop and compress the photos and display them to the imageview.

Permission for calling Image Library and photo taking:

 

Java code:

Public class KujieSY extends Activity implements OnClickListener {
/** (Non-Javadoc)
* Method name: onCreate
* Description:
* Author vencent
* @ Param savedInstanceState
* @ See android. app. Activity # onCreate (android. OS. Bundle)
*/
Private TextView backs;
Private ImageView images;
String takephoto = "";
File PicFile;
KujieSY self = KujieSY. this;
@ Override
Protected void onCreate (Bundle savedInstanceState ){
// TODO Auto-generated method stub
Super. onCreate (savedInstanceState );
SetContentView (R. layout. kuaijieshouyin );
InitView ();
}
Public void initView (){
Backs = (TextView) findViewById (R. id. backs );
Images = (ImageView) findViewById (R. id. images );
Backs. setOnClickListener (this );
Images. setOnClickListener (this );
}
/** (Non-Javadoc)
* Method name: onClick
* Description:
* Author vencent
* @ Param arg0
* @ See android. view. View. OnClickListener # onClick (android. view. View)
*/
@ Override
Public void onClick (View v ){
// TODO Auto-generated method stub
Switch (v. getId ()){
Case R. id. backs:
Finish ();
Break;


Case R. id. images:
New AlertDialog. Builder (this)
. SetTitle ("select Image Upload mode ")
. SetIcon (R. drawable. logoyy)
. SetPositiveButton ("select Image Library ",
New DialogInterface. OnClickListener (){


@ Override
Public void onClick (DialogInterface arg0,
Int arg1 ){
Intent intent = new Intent (Intent. ACTION_PICK, null );
Intent. setDataAndType (
MediaStore. Images. Media. EXTERNAL_CONTENT_URI,
"Image /*");
StartActivityForResult (intent, 1 );
}
}). SetNegativeButton ("photo", new DialogInterface. OnClickListener (){

@ Override
Public void onClick (DialogInterface arg0, int arg1 ){
// TODO Auto-generated method stub
Takephoto = savepic ();
Intent imageCaptureIntent = new Intent (MediaStore. ACTION_IMAGE_CAPTURE );
ImageCaptureIntent. putExtra (MediaStore. EXTRA_OUTPUT,
Uri. fromFile (PicFile ));
ImageCaptureIntent. putExtra ("android. intent. extra. videoQuality", 0 );
StartActivityForResult (imageCaptureIntent, 2 );
}
}). Show ();
Break;
}
}


Public String savepic (){
File files = new File (IMP. saveimages );
If (! Files. exists ()){
Files. mkdirs ();
}
String picpath = IMP. saveimages + "/" + System. currentTimeMillis () + ". jpg ";
PicFile = new File (picpath );
Return picpath;
}

/** (Non-Javadoc)
* Method name: onActivityResult
* Description:
* Author vencent
* @ Param requestCode
* @ Param resultCode
* @ Param data
* @ See android. app. Activity # onActivityResult (int, int, android. content. Intent)
*/
@ Override
Protected void onActivityResult (int requestCode, int resultCode, Intent data ){
// TODO Auto-generated method stub
Super. onActivityResult (requestCode, resultCode, data );


If (resultCode = 0 ){
Return;
}
Switch (requestCode ){
Case 1:
Uri selectedImage = data. getData ();
String [] filePathColumn = {MediaStore. Images. Media. DATA };


Cursor cursor = getContentResolver (). query (selectedImage,
FilePathColumn, null );
Cursor. moveToFirst ();


Int columnIndex = cursor. getColumnIndex (filePathColumn [0]);
String picturePath = cursor. getString (columnIndex );
// Bitmap bitmap = getLoacalBitmap (data. getDataString ());
String newfileselect = IMP. saveimages + "/" + System. currentTimeMillis () + ". jpg ";
ImageCrop. Crop (self, picturePath, newfileselect );
Images. setImageBitmap (BitmapFactory. decodeFile (newfileselect ));
Break;


Case 2:
String newfile = IMP. saveimages + "/" + System. currentTimeMillis () + ". jpg ";
ImageCrop. Crop (self, PicFile. getAbsolutePath (), newfile );
Images. setImageBitmap (BitmapFactory. decodeFile (newfile ));

Break;
}
}
/**
*
* @ Method Name: startPhotoZoom
* @ Description: TODO (crop a photo)
* @ Author Zhang Liping
* @ Parameter @ param uri
* @ Return value void
* @ Throws
*/
Public void startPhotoZoom (Uri uri ){
Intent intent = new Intent ("com. android. camera. action. CROP ");
Intent. setDataAndType (uri, "image /*");
Intent. putExtra ("crop", "true ");
// AspectX aspectY is the aspect ratio
Intent. putExtra ("aspectX", 1 );
Intent. putExtra ("aspectY", 1 );
/// OutputX outputY indicates the width and height of the cropped image.
Intent. putExtra ("outputX", 128 );
Intent. putExtra ("outputY", 128 );
Intent. putExtra ("return-data", true );
StartActivityForResult (intent, 3 );
}

}

Compressed image:

Package com. jfy. app;






Import java. io. BufferedInputStream;
Import java. io. Closeable;
Import java. io. File;
Import java. io. IOException;
Import java. io. InputStream;
Import java. io. OutputStream;
Import java.net. URISyntaxException;


Import org. apache. http. conn. ClientConnectionManager;


Import android. content. ContentResolver;
Import android. content. Context;
Import android. graphics. Bitmap;
Import android. graphics. BitmapFactory;
Import android. media. ThumbnailUtils;
Import android.net. Uri;


Public class ImageCrop {


Public static boolean Crop (Context context, String pathName,
String newPathName ){
Return Crop (context, pathName, newPathName, 1024 );
}


Public static boolean Crop (Context context, String pathName,
String newPathName, int maxXY ){
File fielName = new File (pathName );
File newFielName = new File (newPathName );
File newParentFile = newFielName. getParentFile ();
If (! FielName. exists ()){
Return false;
}
If (! NewParentFile. exists ()){
NewParentFile. mkdirs ();
}
Try {
Bitmap mBitmap = createFromUri (context, Uri. fromFile (fielName)
. ToString (), 2 * maxXY, 2 * maxXY, 0, null );
If (mBitmap = null ){
Return false;
}
Bitmap B = null;
If (mBitmap. getWidth ()> mBitmap. getHeight ()
& MBitmap. getWidth ()> maxXY ){
Int tempHiget = maxXY * mBitmap. getHeight ()
/MBitmap. getWidth ();
B = ThumbnailUtils. extractThumbnail (mBitmap, maxXY, tempHiget );
} Else if (mBitmap. getHeight ()> mBitmap. getWidth ()
& MBitmap. getHeight ()> maxXY ){
Int tempWidth = maxXY * mBitmap. getWidth ()
/MBitmap. getHeight ();
B = ThumbnailUtils. extractThumbnail (mBitmap, tempWidth, maxXY );
}
If (B! = Null & mBitmap! = B ){
MBitmap. recycle ();
MBitmap = B;
}
SaveOutput (context, mBitmap, newFielName );
Return true;
} Catch (Exception e ){
If (newFielName. exists ()){
NewFielName. delete ();
}
}
Return false;
}


/**
* Getting Bitmap from a file or Uri limits the pixel size (maxResolutionX * maxResolutionY)
* Min limit (maxResolutionX * maxResolutionY)/2
*/
Private static final Bitmap createFromUri (Context context, String uri,
Int maxResolutionX, int maxResolutionY, long cacheId,
ClientConnectionManager connectionManager) throws IOException,
URISyntaxException, OutOfMemoryError {
Final BitmapFactory. Options options = new BitmapFactory. Options ();
Options. inScaled = false;
Options. inPreferredConfig = Bitmap. Config. RGB_565;
Options. inDither = true;
Bitmap bitmap = null;
// Get the input stream for computing the sample size.
BufferedInputStream bufferedInput = null;
If (uri. startsWith (ContentResolver. SCHEME_CONTENT)
| Uri. startsWith (ContentResolver. SCHEME_FILE )){
// Get the stream from a local file.
BufferedInput = new BufferedInputStream (context
. GetContentResolver (). openInputStream (Uri. parse (uri )),
16384 );
} Else {
Return null;
}
// Compute the sample size, I. e., not decoding real pixels.
If (bufferedInput! = Null ){
Options. inSampleSize = computeSampleSize (bufferedInput,
MaxResolutionX, maxResolutionY );
} Else {
Return null;
}
// Get the input stream again for decoding it to a bitmap.
BufferedInput = null;
If (uri. startsWith (ContentResolver. SCHEME_CONTENT)
| Uri. startsWith (ContentResolver. SCHEME_FILE )){
// Get the stream from a local file.
BufferedInput = new BufferedInputStream (context
. GetContentResolver (). openInputStream (Uri. parse (uri )),
16384 );
} Else {
Return null;
}
// Decode bufferedInput to a bitmap.
If (bufferedInput! = Null ){
Options. inDither = false;
Options. inJustDecodeBounds = false;
Thread timeoutThread = new Thread ("BitmapTimeoutThread "){
Public void run (){
Try {
Thread. sleep (6000 );
Options. requestCancelDecode ();
} Catch (InterruptedException e ){
}
}
};
TimeoutThread. start ();
Bitmap = BitmapFactory. decodeStream (bufferedInput, null, options );
CloseSilently (bufferedInput );
}
Return bitmap;
}


/** Calculate SampleSize [1 ]*/
Private static int computeSampleSize (InputStream stream,
Int maxResolutionX, int maxResolutionY ){
BitmapFactory. Options options = new BitmapFactory. Options ();
Options. inJustDecodeBounds = true;
BitmapFactory. decodeStream (stream, null, options );
Int maxNumOfPixels = maxResolutionX * maxResolutionY;
Int minSideLength = Math. min (maxResolutionX, maxResolutionY)/2;
Return UtilscomputeSampleSize (options, minSideLength, maxNumOfPixels );
}


/** Calculate SampleSize [2 ]*/
Private static int UtilscomputeSampleSize (BitmapFactory. Options options,
Int minSideLength, int maxNumOfPixels ){
Int initialSize = computeInitialSampleSize (options, minSideLength,
MaxNumOfPixels );
Int roundedSize;
If (initialSize <= 8 ){
RoundedSize = 1;
While (roundedSize <initialSize ){
RoundedSize <= 1;
}
} Else {
RoundedSize = (initialSize + 7)/8*8;
}
Return roundedSize;
}


/** Calculate SampleSize [3 ]*/
Private static int computeInitialSampleSize (BitmapFactory. Options options,
Int minSideLength, int maxNumOfPixels ){
Final int UNCONSTRAINED =-1;
Double w = options. outWidth;
Double h = options. outHeight;
Int lowerBound = (maxNumOfPixels = UNCONSTRAINED )? 1: (int) Math
. Ceil (Math. sqrt (w * h/maxNumOfPixels ));
Int upperBound = (minSideLength = UNCONSTRAINED )? 128: (int) Math
. Min (Math. floor (w/minSideLength ),
Math. floor (h/minSideLength ));
If (upperBound <lowerBound ){
// Return the larger one when there is no overlapping zone.
Return lowerBound;
}
If (maxNumOfPixels = UNCONSTRAINED)
& (MinSideLength = UNCONSTRAINED )){
Return 1;
} Else if (minSideLength = UNCONSTRAINED ){
Return lowerBound;
} Else {
Return upperBound;
}
}


/** Save Bitmap to Uri Address [content: // or file: //; "image/*" or "JPEG "]*/
Private static void saveOutput (Context context, Bitmap mBitmap,
File newFielName ){
OutputStream outputStream = null;
Try {
OutputStream = context. getContentResolver (). openOutputStream (
Uri. fromFile (newFielName ));
If (outputStream! = Null ){
MBitmap. compress (Bitmap. CompressFormat. valueOf ("JPEG"), 85,
OutputStream );
}
} Catch (IOException ex ){
} Finally {
CloseSilently (outputStream );
If (mBitmap! = Null ){
MBitmap. recycle ();
MBitmap = null;
}
}
}


/** Close the stream file */
Private static void closeSilently (Closeable c ){
If (c = null)
Return;
Try {
C. close ();
} Catch (Throwable t ){
}
}


}

Xml code:

Android: layout_width = "match_parent"
Android: layout_height = "match_parent"
Android: background = "# f0f0f0"
Android: orientation = "vertical">


Android: layout_width = "match_parent"
Android: layout_height = "wrap_content"
Android: layout_gravity = "top"
Android: background = "# 006dba"
Android: padding = "5dip">


Android: id = "@ + id/backs"
Android: layout_width = "wrap_content"
Android: layout_height = "wrap_content"
Android: drawableLeft = "@ drawable/back"
Android: paddingBottom = "5dip"
Android: paddingLeft = "5dip"
Android: paddingRight = "20dip"
Android: paddingTop = "5dip"/>


Android: layout_width = "wrap_content"
Android: layout_height = "wrap_content"
Android: layout_centerInParent = "true"
Android: layout_weight = "1"
Android: text = "quick cashier"
Android: textColor = "# ffffff"
Android: textSize = "20sp"/>





Android: layout_width = "match_parent"
Android: layout_height = "match_parent"
>
Android: layout_width = "match_parent"
Android: layout_height = "match_parent"
Android: orientation = "vertical"
Android: padding = "10dip"
>
Android: layout_width = "match_parent"
Android: layout_height = "wrap_content"
Android: paddingBottom = "10dip"
Android: orientation = "horizontal"
>
Android: layout_width = "wrap_content"
Android: layout_height = "wrap_content"
Android: text = "Merchant name :"
Android: textColor = "#000000"
/>
Android: layout_width = "wrap_content"
Android: layout_height = "wrap_content"
Android: id = "@ + id/shanghuname"
Android: background = "@ drawable/xian"
/>

Android: layout_width = "100dip"
Android: layout_height = "100dip"
Android: id = "@ + id/images"
Android: scaleType = "centerInside"
Android: src = "@ drawable/chongzhi"
/>