Android Avatar settings: Get and crop images from the local photo library or photos,

(Switch) android Profile Settings: Get and crop images from the local photo library or take photos,

This article is reproduced in: http://blog.csdn.net/sheeprunning/article/details/9184021

Features

When creating an android Application, user registration is essential. You often need to edit the user's profile picture. The setting process is as follows:

Interface Design

Create a thumbnail ImageView. When you click it, the set Avatar dialog box is displayed. After the settings are complete, refresh the thumbnail;

　　

<LinearLayout xmlns: android = "http://schemas.android.com/apk/res/android" android: layout_width = "fill_parent" android: layout_height = "fill_parent" android: background = "# F3F1DA" android: orientation = "vertical"> <! -- Title --> <LinearLayout android: layout_width = "fill_parent" android: layout_height = "wrap_content" android: layout_gravity = "center" android: background = "@ drawable/title_bg" android: gravity = "center" android: orientation = "horizontal"> <TextView android: layout_width = "fill_parent" android: layout_height = "wrap_content" android: gravity = "center" android: text = "@ string/title_bar_txt" android: textColor = "@ androi D: color/white "/> </LinearLayout> <! -- Image switch --> <RelativeLayout android: id = "@ + id/switch_face_rl" android: layout_width = "fill_parent" android: layout_height = "wrap_content" android: layout_gravity = "center" android: layout_margin = "20dip" android: background = "@ drawable/item_edit_bg" android: clickable = "true" android: padding = "5dip"> <ImageView android: id = "@ + id/face" android: layout_width = "42dip" android: layout_height = "42dip" android: layout_alignParentLeft = "true" android: layout_marginLeft = "10dip" android: src = "@ drawable/mini_avatar"/> <TextView android: layout_width = "wrap_content" android: layout_height = "wrap_content" android: layout_marginLeft = "5dip" android: layout_marginTop = "5dip" android: layout_toRightOf = "@ id/face" android: layout_gravity = "center" android: text = "click to set the Avatar" android: textColor = "@ android: color/black"/> </RelativeLayout> </LinearLayout>

Activity Design

MainActivity. java:

Package com. xzw. picture; import java. io. file; import java. io. fileNotFoundException; import java. io. fileOutputStream; import java. io. IOException; import com. xzw. utils. tools; import android. app. activity; import android. app. alertDialog; import android. content. dialogInterface; import android. content. intent; import android. graphics. bitmap; import android. graphics. drawable. bitmapDrawable; import android. graphics. dra Wable. drawable; import android.net. uri; import android. OS. bundle; import android. OS. environment; import android. provider. mediaStore; import android. util. log; import android. view. view; import android. view. window; import android. widget. imageView; import android. widget. relativeLayout; import android. widget. toast;/*** @ author XuZhiwei (xuzw13@gmail.com) Create at 10:14:40 */public class MainActiv Ity extends Activity {/* component */private RelativeLayout switchAvatar; private ImageView faceImage; private String [] items = new String [] {"select local image", "photo "}; /* avatar name */private static final String IMAGE_FILE_NAME = "faceImage.jpg";/* Request Code */private static final int IMAGE_REQUEST_CODE = 0; private static final int CAMERA_REQUEST_CODE = 1; private static final int RESULT_REQUEST_CODE = 2; @ Override p Ublic void onCreate (Bundle savedInstanceState) {super. onCreate (savedInstanceState); requestWindowFeature (Window. FEATURE_NO_TITLE); // remove the title setContentView (R. layout. main); switchAvatar = (RelativeLayout) findViewById (R. id. switch_face_rl); faceImage = (ImageView) findViewById (R. id. face); // set event listening to switchAvatar. setOnClickListener (listener);} private View. onClickListener listener = new View. onClickLi Stener () {@ Override public void onClick (View v) {showDialog () ;}};/*** display selection dialog box */private void showDialog () {new AlertDialog. builder (this ). setTitle ("set Avatar "). setItems (items, new DialogInterface. onClickListener () {@ Override public void onClick (DialogInterface dialog, int which) {switch (which) {case 0: Intent intentFromGallery = new Intent (); intentFromGallery. setType ("image/*"); // sets the file type IntentFromGallery. setAction (Intent. ACTION_GET_CONTENT); startActivityForResult (intentFromGallery, IMAGE_REQUEST_CODE); break; case 1: intentFromCapture = new Intent (MediaStore. ACTION_IMAGE_CAPTURE); // determines whether the memory card can be used for storage if (Tools. hasSdcard () {File path = Environment. getExternalStoragePublicDirectory (Environment. DIRECTORY_DCIM); File file = new File (path, IMAGE_FILE_NAME); intentFromCapt Ure. putExtra (MediaStore. EXTRA_OUTPUT, Uri. fromFile (file);} startActivityForResult (intentFromCapture, CAMERA_REQUEST_CODE); break ;}}}). setNegativeButton ("cancel", new DialogInterface. onClickListener () {@ Override public void onClick (DialogInterface dialog, int which) {dialog. dismiss ();}}). show () ;}@ Override protected void onActivityResult (int requestCode, int resultCode, Intent data) {// The result code is not Equal to if (resultCode! = RESULT_CANCELED) {switch (requestCode) {case IMAGE_REQUEST_CODE: startPhotoZoom (data. getData (); break; case CAMERA_REQUEST_CODE: if (Tools. hasSdcard () {File path = Environment. getExternalStoragePublicDirectory (Environment. DIRECTORY_DCIM); File tempFile = new File (path, IMAGE_FILE_NAME); startPhotoZoom (Uri. fromFile (tempFile);} else {Toast. makeText (MainActivity. this, "no memory card found, unable to store photos! ", Toast. LENGTH_LONG). show ();} break; case RESULT_REQUEST_CODE: // if (data! = Null) {getImageToView (data) ;}break ;}} super. onActivityResult (requestCode, resultCode, data);}/*** image cropping method implementation ** @ param uri */public void startPhotoZoom (Uri uri) {Intent intent = new Intent ("com. android. camera. action. CROP "); intent. setDataAndType (uri, "image/*"); // you can specify intent for cropping. putExtra ("crop", "true"); // aspectX aspectY is a width-high ratio intent. putExtra ("aspectX", 1); intent. putExtra ("aspectY", 1); // OutputX outputY indicates the width and height of the cropped image intent. putExtra ("outputX", 340); intent. putExtra ("outputY", 340); intent. putExtra ("return-data", true); startActivityForResult (intent, RESULT_REQUEST_CODE );} /*** Save the cropped image data ** @ param picdata */private void getImageToView (Intent data) {Bundle extras = data. getExtras (); if (extras! = Null) {Bitmap photo = extras. getParcelable ("data"); Drawable drawable = new BitmapDrawable (this. getResources (), photo); faceImage. setImageDrawable (drawable );}}}

 

Tools. java

Package com. xzw. utils; import android. OS. environment;/*** @ author XuZhiwei (xuzw13@gmail.com) * Create at 10:14:40 */public class Tools {/*** check whether SDCard * @ return */public static boolean hasSdcard () {String state = Environment exists. getExternalStorageState (); if (state. equals (Environment. MEDIA_MOUNTED) {return true;} else {return false ;}}}