android如何取得本地通讯录的头像的原图
上几篇讲contact的时候,取得的头像都是存在数据库中,通过:
cursor = context.getContentResolver().query( ContentUris.withAppendedId(ContactsContract.Data.CONTENT_URI, photoId), new String[] { Photo.PHOTO }, null, null, null);
来获取
其实如果我们在本地通讯录中,如果替一个联系人加上图库或拍照的图片,那么系统会把这个图片的清晰图存储起来,如果要取到这个图片,需要contactId
getListView().setOnItemClickListener(new OnItemClickListener() { @Override public void onItemClick(AdapterView<?> parent, View view, int position, long id) { try { Cursor cursor = (Cursor) getListAdapter().getItem(position); if (cursor == null) { return; } int contactId = cursor.getInt(Personal.ID_COLUMN_INDEX); Intent intent = new Intent(); intent.setClass(ContactsList.this, ContactDetail.class); intent.putExtra("contactId",contactId); startActivity(intent); }catch(Exception ex) { ex.printStackTrace(); } } });
如果我们想图片带圆角,可以这样来实现:
<LinearLayout android:layout_width="fill_parent" android:layout_height="fill_parent" android:gravity="center" > <FrameLayout android:id="@+id/contacts_logo_layout" android:layout_width="@dimen/incall_photo_view_size" android:layout_height="@dimen/incall_photo_view_size" > <ImageView android:id="@+id/contact_photo" android:layout_width="@dimen/incall_photo_view_size" android:layout_height="@dimen/incall_photo_view_size" /> <ImageView android:id="@+id/contacts_logoborder" android:layout_width="@dimen/incall_photo_view_size" android:layout_height="@dimen/incall_photo_view_size" android:background="@drawable/images_box" > </ImageView> </FrameLayout> </LinearLayout>
java代码:
@Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); requestWindowFeature(Window.FEATURE_NO_TITLE); setContentView(R.layout.contact_detail); int contactId = getIntent().getIntExtra("contactId", 0); contact_photo = (ImageView)findViewById(R.id.contact_photo); loadTask task = new loadTask(contactId); task.execute(); } private class loadTask extends AsyncTask<Void, Void, Bitmap>{ public loadTask(int id) { contactId = id; } private int contactId; @Override protected Bitmap doInBackground(Void... params) { InputStream inputStream = openDisplayPhoto(contactId); BitmapFactory.Options opt = new BitmapFactory.Options(); opt.inSampleSize = 1; Bitmap bitmap = BitmapFactory.decodeStream(inputStream, null, opt); return bitmap; } @Override protected void onPostExecute(Bitmap result) { if(result != null) { contact_photo.setImageBitmap(result); } super.onPostExecute(result); } } public InputStream openDisplayPhoto(long contactId) { <strong>//这个是取到清晰图的inputStream的代码</strong> Uri contactUri = ContentUris.withAppendedId(Contacts.CONTENT_URI, contactId); Uri displayPhotoUri = Uri.withAppendedPath(contactUri, Contacts.Photo.DISPLAY_PHOTO); try { AssetFileDescriptor fd = this.getContentResolver().openAssetFileDescriptor(displayPhotoUri, "r"); return fd.createInputStream(); } catch (IOException e) { e.printStackTrace(); return null; } }
效果图:
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