android如何取得本地通讯录的头像的原图的实现代码如何取得本地通讯录的头像的原图的实现代码
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如果想通讯录进入详情页,那么最重要的参数就是contactId,这个是联系人的唯一标识
getListView().setOnItemClickListener(new AdapterView.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();
}
}
});
本地通讯录的原图获取方法是:
public class ContactDetail extends Activity {
private ImageView contact_photo;
public static void startActivity(Context context) {
Intent intent = new Intent();
intent.setClass(context,ContactDetail.class);
context.startActivity(intent);
}
@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) {
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