Android photos are cropped before the image is displayed.

MainActivity is as follows:

Package cn. testcamera; import java. io. file; import java. text. simpleDateFormat; import java. util. date; import android. app. activity; import android. content. contentResolver; import android. content. contentUris; import android. content. intent; import android. database. cursor; import android. graphics. bitmap; import android. graphics. bitmapFactory; import android.net. uri; import android. OS. bundle; import android. provider. MediaStore; import android. view. view; import android. widget. button; import android. widget. imageView; public class MainActivity extends Activity {private Button mButton; private ImageView mImageView; private File mPhotoFile; private String mPhotoPath; private Uri mPhotoOnSDCardUri; public final static int CAMERA_RESULT = 777; public final static int CAMERA_RESULT_CUT = 888; public final static int CAMERA_RESU LT_CUT_OVER = 999; public final static String TAG = "xx"; @ Overridepublic void onCreate (Bundle savedInstanceState) {super. onCreate (savedInstanceState); setContentView (R. layout. main); mButton = (Button) findViewById (R. id. button); mButton. setOnClickListener (new ButtonOnClickListener (); mImageView = (ImageView) findViewById (R. id. imageView);} private class ButtonOnClickListener implements View. onClickListener {Public void onClick (View v) {try {Intent intent = new Intent ("android. media. action. IMAGE_CAPTURE "); mPhotoPath =" mnt/sdcard/DCIM/Camera/"+ getPhotoFileName (); mPhotoFile = new File (mPhotoPath); if (! MPhotoFile. exists () {mPhotoFile. createNewFile ();} mPhotoOnSDCardUri = Uri. fromFile (mPhotoFile); intent. putExtra (MediaStore. EXTRA_OUTPUT, mPhotoOnSDCardUri); // This image is displayed after the image is taken // startActivityForResult (intent, CAMERA_RESULT); // After the image is taken, it is modified before startActivityForResult (intent, CAMERA_RESULT_CUT );} catch (Exception e) {}}@ Overrideprotected void onActivityResult (int requestCode, int resultCode, Intent data) {super. onA CtivityResult (requestCode, resultCode, data); // 1. After taking the photo, the image is displayed if (requestCode = CAMERA_RESULT) {Bitmap bitmap = BitmapFactory. decodeFile (mPhotoPath, null); mImageView. setImageBitmap (bitmap);} // 2 take a photo and cut the photo. Then, the image is displayed // 2.1 and the image is cropped if (requestCode = CAMERA_RESULT_CUT) {Intent intent = new Intent (Intent. ACTION_MEDIA_SCANNER_SCAN_FILE, mPhotoOnSDCardUri); sendBroadcast (intent); try {Thread. sleep (2000);} catch (Interrupted Exception e) {e. printStackTrace ();} Uri systemImageUri = MediaStore. images. media. EXTERNAL_CONTENT_URI; ContentResolver contentResolver = getContentResolver (); Cursor cursor = contentResolver. query (systemImageUri, null, MediaStore. images. media. DISPLAY_NAME + "= '" + mPhotoFile. getName () + "'", null, null); Uri photoUriInMedia = null; if (cursor! = Null & cursor. getCount ()> 0) {cursor. moveToLast (); long id = cursor. getLong (0); photoUriInMedia = ContentUris. withAppendedId (systemImageUri, id);} cursor. close (); Intent in = new Intent ("com. android. camera. action. CROP "); // The image format to be dropped in. setDataAndType (photoUriInMedia, "image/*"); // allow in. putExtra ("crop", "true"); // specifies the width of the image displayed in the cropped ImageView. putExtra ("outputX", 250); // specifies the height of the image displayed in the cropped ImageView. putExtra ("outputY ", 250); // set the width and height of the cropping box in. putExtra ("aspectX", 1); in. putExtra ("aspectY", 1); in. putExtra ("return-data", true); startActivityForResult (in, CAMERA_RESULT_CUT_OVER);} // 2.2 display if (requestCode = CAMERA_RESULT_CUT_OVER) {// when cropping an image, if "discard" is returned, the data returned is nullif (data! = Null) {Bitmap bitmap = (Bitmap) data. getExtras (). get ("data"); mImageView. setImageBitmap (bitmap) ;}} private String getPhotoFileName () {Date date = new Date (System. currentTimeMillis (); SimpleDateFormat dateFormat = new SimpleDateFormat ("'img '_ yyyyMMdd_HHmmss"); return dateFormat. format (date) + ". jpg ";}}

Main. xml is as follows:

<RelativeLayout xmlns: android = "http://schemas.android.com/apk/res/android" xmlns: tools = "http://schemas.android.com/tools" android: layout_width = "match_parent" android: layout_height = "match_parent"> <Button android: id = "@ + id/button" android: layout_width = "fill_parent" android: layout_height = "wrap_content" android: text = "click to take a photo"/> <ImageView android: id = "@ + id/imageView" android: layout_below = "@ id/button" android: layout_width = "fill_parent" android: layout_height = "wrap_content"/> </RelativeLayout>

Manifest. xml is as follows:

<manifest xmlns:android="http://schemas.android.com/apk/res/android"    package="cn.testcamera"    android:versionCode="1"    android:versionName="1.0" >    <uses-sdk        android:minSdkVersion="8"        android:targetSdkVersion="10" />    <uses-permission android:name="android.permission.CAMERA"/>    <uses-permission android:name="android.permission.INTERNET" />    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />      <application        android:icon="@drawable/ic_launcher"        android:label="@string/app_name"        android:theme="@style/AppTheme" >        <activity            android:name=".MainActivity"            android:launchMode="singleTask"            android:label="@string/title_activity_main" >            <intent-filter>                <action android:name="android.intent.action.MAIN" />                <category android:name="android.intent.category.LAUNCHER" />            </intent-filter>        </activity>    </application></manifest>