我是Android新手,想在循環內顯示圖像。我成功地能夠在循環外顯示它,但不能在循環內顯示它。我想實現這些2行代碼底部代碼除了content.append(NN2 [2] +「\ n」),希望大家明白。如何在Android中動態顯示圖像
ImageView i2 = (ImageView)findViewById(R.id.img2);
bitmap = BitmapFactory.decodeStream((new URL ("httpS://graph.facebook.com/497305810301446/picture?type=large")).openConnection().getInputStream());
i2.setImageBitmap(bitmap);
//layout4.addView(i2);
下面是我想要的地方顯示圖像的循環:
Url=new URL("http://xx.xx.xx.xx/abc/users/get_fb.json?term="+searchValue);
urlConnection = (HttpURLConnection) Url.openConnection();
StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
StrictMode.setThreadPolicy(policy);
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(urlConnection.getInputStream()));
// InputStream in = urlConnection.getInputStream();
Log.d("hello","world");
//InputStreamReader isw = new InputStreamReader();
SetServerString = bufferedReader.readLine();
Log.d("hello",SetServerString);
String[] nn=SetServerString.split("name");
String nn2[];
String nn3,nn4;
// JSONObject obj = new JSONObject(SetServerString);
content.setText("");
for(int a=0;a<nn.length;a++){
// nn2=nn[a].split(",");
// nn3=nn2[0].replaceAll("\":\"", "");
nn4 = nn[a].replaceAll("[id\\:\\}\\{\\[\\]\"]", "");
nn2 = nn4.split(",");
// nn3=nn2[1].replaceAll("[\\:\\}\\{\\[\\]\"]","");
// content.append(nn2.length+" \n ");
int p=1;
for (int i = 0; i < nn2.length && nn2.length > 1; i++) {
if(p==1) {
content.append(nn2[0] + "\n");
if (nn2.length > 2) {
content.append(nn2[2] + "\n");
} else {
content.append(nn2[1] + "\n");
}
p = 0;
}
}
你是什麼意思在一個循環內? –
究竟是什麼錯誤?如果發生任何錯誤或異常,您可以粘貼您的logcat。無論如何,真正的問題是有點模糊 –
你的標題說「生成」,你的文字說「顯示」 - 這是什麼? –