Android从相机或相册获取图片裁剪

package

com.only.android.app;

02

03

import

java.io.File;

04

05

import

android.app.Activity;

06

import

android.app.AlertDialog;

07

import

android.content.DialogInterface;

08

import

android.content.Intent;

09

import

android.graphics.Bitmap;

10

import

android.graphics.BitmapFactory;

11

import

android.net.Uri;

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import

android.os.Bundle;

13

import

android.os.SystemClock;

14

import

android.provider.MediaStore;

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import

android.view.View;

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import

android.widget.Button;

17

import

android.widget.ImageView;

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19

import

com.only.android.R;

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public

class

CopyOfImageScaleActivity

extends

Activity

implements

View.OnClickListener
{

22

/**
Called when the activity is first created. */

23

private

Button
selectImageBtn;

24

private

ImageView
imageView;

25

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private

File
sdcardTempFile;

27

private

AlertDialog
dialog;

28

private

int

crop
=

180

;

29

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@Override

31

public

void

onCreate(Bundle
savedInstanceState) {

32

super

.onCreate(savedInstanceState);

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setContentView(R.layout.imagescale);

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selectImageBtn
= (Button) findViewById(R.id.selectImageBtn);

36

imageView
= (ImageView) findViewById(R.id.imageView);

37

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selectImageBtn.setOnClickListener(

this

);

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sdcardTempFile
=

new

File(

"/mnt/sdcard/"

,

"tmp_pic_"

+
SystemClock.currentThreadTimeMillis() +

".jpg"

);

40

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}

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@Override

44

public

void

onClick(View
v) {

45

if

(v
== selectImageBtn) {

46

if

(dialog
==

null

)
{

47

dialog
=

new

AlertDialog.Builder(

this

).setItems(

new

String[]
{

"相机"

,

"相册"

},

new

DialogInterface.OnClickListener()
{

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@Override

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public

void

onClick(DialogInterface
dialog,

int

which)
{

50

if

(which
==

0

)
{

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Intent
intent =

new

Intent(

"android.media.action.IMAGE_CAPTURE"

);

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intent.putExtra(

"output"

,
Uri.fromFile(sdcardTempFile));

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intent.putExtra(

"crop"

,

"true"

);

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intent.putExtra(

"aspectX"

,

1

);

//
裁剪框比例

55

intent.putExtra(

"aspectY"

,

1

);

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intent.putExtra(

"outputX"

,
crop);

//
输出图片大小

57

intent.putExtra(

"outputY"

,
crop);

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startActivityForResult(intent,

101

);

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}

else

{

60

Intent
intent =

new

Intent(

"android.intent.action.PICK"

);

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intent.setDataAndType(MediaStore.Images.Media.INTERNAL_CONTENT_URI,

"image/*"

);

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intent.putExtra(

"output"

,
Uri.fromFile(sdcardTempFile));

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intent.putExtra(

"crop"

,

"true"

);

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intent.putExtra(

"aspectX"

,

1

);

//
裁剪框比例

65

intent.putExtra(

"aspectY"

,

1

);

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intent.putExtra(

"outputX"

,
crop);

//
输出图片大小

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intent.putExtra(

"outputY"

,
crop);

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startActivityForResult(intent,

100

);

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}

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}

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}).create();

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}

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if

(!dialog.isShowing())
{

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dialog.show();

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}

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}

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}

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@Override

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protected

void

onActivityResult(

int

requestCode,

int

resultCode,
Intent intent) {

81

if

(resultCode
== RESULT_OK) {

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Bitmap
bmp = BitmapFactory.decodeFile(sdcardTempFile.getAbsolutePath());

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imageView.setImageBitmap(bmp);

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}

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}

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}