[Android Notes] You can take a photo on your Android phone or select an image from the album as your avatar,

[Android Notes] You can take a photo on your Android phone or select an image from the album as your avatar,

1 package zhangpgil. photo; 2 3 import java. io. file; 4 import android. support. v7.app. actionBarActivity; 5 import android. view. view; 6 import android. widget. button; 7 import android. widget. imageView; 8 import android. widget. toast; 9 import android. content. intent; 10 import android. graphics. bitmap; 11 import android.net. uri; 12 import android. OS. bundle; 13 import android. OS. environment; 14 import android Oid. provider. mediaStore; 15 16 public class MainActivity extends ActionBarActivity {17 18/* profile picture file */19 private static final String IMAGE_FILE_NAME = "temp_head_image.jpg "; 20 21/* request identifier */22 private static final int CODE_GALLERY_REQUEST = 0xa0; 23 private static final int CODE_CAMERA_REQUEST = 0xa1; 24 private static final int CODE_RESULT_REQUEST = 0xa2; 25 26 // width (X) and height (Y) of the cropped image, 480X480 square.(Sometimes an error occurs when generating bitmap? Try to reduce the size)27 private static int output_X = 480; 28 private static int output_Y = 480; 29 30 private ImageView headImage = null; 31 32 @ Override 33 protected void onCreate (Bundle savedInstanceState) {34 super. onCreate (savedInstanceState); 35 setContentView (R. layout. activity_main); 36 37 headImage = (ImageView) findViewById (R. id. imageView); 38 39 Button buttonLocal = (Button) findViewById (R. id. buttonLocal); 4 0 buttonLocal. setOnClickListener (new View. onClickListener () {41 42 @ Override 43 public void onClick (View v) {44 choseHeadImageFromGallery (); 45} 46}); 47 48 Button buttonCamera = (Button) findViewById (R. id. buttonCamera); 49 buttonCamera. setOnClickListener (new View. onClickListener () {50 51 @ Override 52 public void onClick (View v) {53 choseHeadImageFromCameraCapture (); 54} 55}); 56} 57 58/ /Select an image from the local album as the Avatar 59 private void choseHeadImageFromGallery () {60 Intent intentFromGallery = new Intent (); 61 // set the file type 62 intentFromGallery. setType ("image/*"); 63 intentFromGallery. setAction (Intent. ACTION_GET_CONTENT); 64 startActivityForResult (intentFromGallery, CODE_GALLERY_REQUEST); 65} 66 67 // start the mobile phone camera to take a photo as the Avatar 68 private void photo () {69 Intent intentFromCapture = ne W Intent (MediaStore. ACTION_IMAGE_CAPTURE); 70 71 // judge whether the memory card is available and store the photo file 72 if (hasSdcard () {73 intentFromCapture. putExtra (MediaStore. EXTRA_OUTPUT, Uri 74. fromFile (new File (Environment 75. getExternalStorageDirectory (), IMAGE_FILE_NAME); 76} 77 78 startActivityForResult (intentFromCapture, CODE_CAMERA_REQUEST); 79} 80 81 @ Override 82 protected void onActivityResult (int requestCode, int resultCod E, 83 Intent intent) {84 85 // the user does not perform a valid setting operation, and 86 if (resultCode = RESULT_CANCELED) {87 Toast is returned. makeText (getApplication (), "cancel", Toast. LENGTH_LONG ). show (); 88 return; 89} 90 91 switch (requestCode) {92 case CODE_GALLERY_REQUEST: 93 cropRawPhoto (intent. getData (); 94 break; 95 96 case CODE_CAMERA_REQUEST: 97 if (hasSdcard () {98 File tempFile = new File (99 Environment. getExternalStorageDirect Ory (), 100 IMAGE_FILE_NAME); 101 cropRawPhoto (Uri. fromFile (tempFile); 102} else {103 Toast. makeText (getApplication (), "No SDCard! ", Toast. LENGTH_LONG) 104. show (); 105} 106 107 break; 108 109 case CODE_RESULT_REQUEST: 110 if (intent! = Null) {111 setImageToHeadView (intent); 112} 113 114 break; 115} 116 117 super. onActivityResult (requestCode, resultCode, intent); 118} 119 120/** 121 * crop the original image 122 */123 public void cropRawPhoto (Uri uri) {124 125 Intent intent = new Intent ("com. android. camera. action. CROP "); 126 intent. setDataAndType (uri, "image/*"); 127 128 // you can specify 129 intent for cropping. putExtra ("crop", "true"); 130 131 // aspectX, aspectY: Ratio of width to height 13 2 intent. putExtra ("aspectX", 1); 133 intent. putExtra ("aspectY", 1); 134 135 // outputX, outputY: Crop an image with a width of 136 intent. putExtra ("outputX", output_X); 137 intent. putExtra ("outputY", output_Y); 138 intent. putExtra ("return-data", true); 139 140 startActivityForResult (intent, CODE_RESULT_REQUEST); 141} 142 143/** 144 * extract and save the cropped image data, and set View145 */146 private void setImageToHeadView (Intent intent) {147 Bund Le extras = intent. getExtras (); 148 if (extras! = Null) {149 Bitmap photo = extras. getParcelable ("data"); 150 headImage. setImageBitmap (photo); 151} 152} 153 154/** 155 * tool for checking whether the device has SDCard 156 */157 public static boolean hasSdcard () {158 String state = Environment. getExternalStorageState (); 159 if (state. equals (Environment. MEDIA_MOUNTED) {160 // SDCard161 return true; 162} else {163 return false; 164} 165}

1 <LinearLayout xmlns: android = "http://schemas.android.com/apk/res/android" 2 android: layout_width = "match_parent" 3 android: layout_height = "match_parent" 4 android: orientation = "vertical"> 5 6 <ImageView 7 android: id = "@ + id/imageView" 8 android: layout_width = "wrap_content" 9 android: layout_height = "wrap_content" 10 android: src = "@ drawable/ic_launcher"/> 11 12 <Button13 android: id = "@ + id/buttonLocal" 14 android: layout_width = "wrap_content" 15 android: layout_height = "wrap_content" 16 android: text = "Local album selected Avatar"/> 17 18 <Button19 android: id = "@ + id/buttonCamera" 20 android: layout_width = "wrap_content" 21 android: layout_height = "wrap_content" 22 android: text = "cell phone photo select Avatar"/> 23 24 </LinearLayout>

Http://www.open-open.com/lib/view/open1428569177447.html ()