java.lang.ClassCastException: java.lang.Integer cannot be cast to java.util.HashMap
- by kongkea
I've got this Error When I click listview to show full image size. how can i solve it?
Error
11-20 10:27:47.039: D/AndroidRuntime(5078): Shutting down VM
11-20 10:27:47.039: W/dalvikvm(5078): threadid=1: thread exiting with uncaught exception (group=0x40c061f8)
11-20 10:27:47.047: E/AndroidRuntime(5078): FATAL EXCEPTION: main
11-20 10:27:47.047: E/AndroidRuntime(5078): java.lang.ClassCastException: java.lang.Integer cannot be cast to java.util.HashMap
11-20 10:27:47.047: E/AndroidRuntime(5078): at com.example.mylistview.MainActivity$1.onItemClick(MainActivity.java:103)
11-20 10:27:47.047: E/AndroidRuntime(5078): at android.widget.AdapterView.performItemClick(AdapterView.java:292)
11-20 10:27:47.047: E/AndroidRuntime(5078): at android.widget.AbsListView.performItemClick(AbsListView.java:1173)
11-20 10:27:47.047: E/AndroidRuntime(5078): at android.widget.AbsListView$PerformClick.run(AbsListView.java:2701)
11-20 10:27:47.047: E/AndroidRuntime(5078): at android.widget.AbsListView$1.run(AbsListView.java:3453)
11-20 10:27:47.047: E/AndroidRuntime(5078): at android.os.Handler.handleCallback(Handler.java:605)
11-20 10:27:47.047: E/AndroidRuntime(5078): at android.os.Handler.dispatchMessage(Handler.java:92)
11-20 10:27:47.047: E/AndroidRuntime(5078): at android.os.Looper.loop(Looper.java:137)
11-20 10:27:47.047: E/AndroidRuntime(5078): at android.app.ActivityThread.main(ActivityThread.java:4514)
11-20 10:27:47.047: E/AndroidRuntime(5078): at java.lang.reflect.Method.invokeNative(Native Method)
11-20 10:27:47.047: E/AndroidRuntime(5078): at java.lang.reflect.Method.invoke(Method.java:511)
11-20 10:27:47.047: E/AndroidRuntime(5078): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:790)
11-20 10:27:47.047: E/AndroidRuntime(5078): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:557)
11-20 10:27:47.047: E/AndroidRuntime(5078): at dalvik.system.NativeStart.main(Native Method)
MainActivity
public class MainActivity extends Activity {
public static final int DIALOG_DOWNLOAD_JSON_PROGRESS = 0;
private ProgressDialog mProgressDialog;
ArrayList<HashMap<String, Object>> MyArrList;
@SuppressLint("NewApi")
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
// Permission StrictMode
if (android.os.Build.VERSION.SDK_INT > 9) {
StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
StrictMode.setThreadPolicy(policy);
}
// Download JSON File
new DownloadJSONFileAsync().execute();
}
@Override
protected Dialog onCreateDialog(int id) {
switch (id) {
case DIALOG_DOWNLOAD_JSON_PROGRESS:
mProgressDialog = new ProgressDialog(this);
mProgressDialog.setMessage("Downloading.....");
mProgressDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
mProgressDialog.setCancelable(true);
mProgressDialog.show();
return mProgressDialog;
default:
return null;
}
}
// Show All Content
public void ShowAllContent()
{
// listView1
final ListView lstView1 = (ListView)findViewById(R.id.listView1);
lstView1.setAdapter(new ImageAdapter(MainActivity.this,MyArrList));
lstView1.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View v, int position,
long id) {
HashMap<String, Object> hm = (HashMap<String, Object>) lstView1.getAdapter().getItem(position);
String imagePath = (String) hm.get("photo");
Intent i = new Intent(MainActivity.this,FullImageActivity.class);
i.putExtra("fullImage", imagePath);
startActivity(i);
}
});
}
public class ImageAdapter extends BaseAdapter
{
private Context context;
private ArrayList<HashMap<String, Object>> MyArr = new ArrayList<HashMap<String, Object>>();
public ImageAdapter(Context c, ArrayList<HashMap<String, Object>> myArrList)
{
// TODO Auto-generated method stub
context = c;
MyArr = myArrList;
}
public int getCount() {
// TODO Auto-generated method stub
return MyArr.size();
}
public Object getItem(int position) {
// TODO Auto-generated method stub
return position;
}
public long getItemId(int position) {
// TODO Auto-generated method stub
return position;
}
public View getView(int position, View convertView, ViewGroup parent) {
// TODO Auto-generated method stub
LayoutInflater inflater = (LayoutInflater) context
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
if (convertView == null) {
convertView = inflater.inflate(R.layout.activity_column, null);
}
// ColImage
ImageView imageView = (ImageView) convertView.findViewById(R.id.ColImgPath);
imageView.getLayoutParams().height = 80;
imageView.getLayoutParams().width = 80;
imageView.setPadding(5, 5, 5, 5);
imageView.setScaleType(ImageView.ScaleType.CENTER_CROP);
try
{
imageView.setImageBitmap((Bitmap)MyArr.get(position).get("ImageThumBitmap"));
} catch (Exception e) {
// When Error
imageView.setImageResource(android.R.drawable.ic_menu_report_image);
}
// ColImgID
TextView txtImgID = (TextView) convertView.findViewById(R.id.ColImgID);
txtImgID.setPadding(10, 0, 0, 0);
txtImgID.setText("ID : " + MyArr.get(position).get("id").toString());
// ColImgName
TextView txtPicName = (TextView) convertView.findViewById(R.id.ColImgName);
txtPicName.setPadding(50, 0, 0, 0);
txtPicName.setText("Name : " + MyArr.get(position).get("first_name").toString());
return convertView;
}
}
// Download JSON in Background
public class DownloadJSONFileAsync extends AsyncTask<String, Void, Void> {
protected void onPreExecute() {
super.onPreExecute();
showDialog(DIALOG_DOWNLOAD_JSON_PROGRESS);
}
@Override
protected Void doInBackground(String... params) {
// TODO Auto-generated method stub
String url = "http://192.168.10.104/adchara1/";
JSONArray data;
try {
data = new JSONArray(getJSONUrl(url));
MyArrList = new ArrayList<HashMap<String, Object>>();
HashMap<String, Object> map;
for(int i = 0; i < data.length(); i++){
JSONObject c = data.getJSONObject(i);
map = new HashMap<String, Object>();
map.put("id", (String)c.getString("id"));
map.put("first_name", (String)c.getString("first_name"));
// Thumbnail Get ImageBitmap To Object
map.put("photo", (String)c.getString("photo"));
map.put("ImageThumBitmap", (Bitmap)loadBitmap(c.getString("photo")));
// Full (for View Popup)
map.put("frame", (String)c.getString("frame"));
MyArrList.add(map);
}
} catch (JSONException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return null;
}
protected void onPostExecute(Void unused) {
ShowAllContent(); // When Finish Show Content
dismissDialog(DIALOG_DOWNLOAD_JSON_PROGRESS);
removeDialog(DIALOG_DOWNLOAD_JSON_PROGRESS);
}
}
/*** Get JSON Code from URL ***/
public String getJSONUrl(String url) {
StringBuilder str = new StringBuilder();
HttpClient client = new DefaultHttpClient();
HttpGet httpGet = new HttpGet(url);
try {
HttpResponse response = client.execute(httpGet);
StatusLine statusLine = response.getStatusLine();
int statusCode = statusLine.getStatusCode();
if (statusCode == 200) { // Download OK
HttpEntity entity = response.getEntity();
InputStream content = entity.getContent();
BufferedReader reader = new BufferedReader(new InputStreamReader(content));
String line;
while ((line = reader.readLine()) != null) {
str.append(line);
}
} else {
Log.e("Log", "Failed to download file..");
}
} catch (ClientProtocolException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return str.toString();
}
/***** Get Image Resource from URL (Start) *****/
private static final String TAG = "Image";
private static final int IO_BUFFER_SIZE = 4 * 1024;
public static Bitmap loadBitmap(String url) {
Bitmap bitmap = null;
InputStream in = null;
BufferedOutputStream out = null;
try {
in = new BufferedInputStream(new URL(url).openStream(), IO_BUFFER_SIZE);
final ByteArrayOutputStream dataStream = new ByteArrayOutputStream();
out = new BufferedOutputStream(dataStream, IO_BUFFER_SIZE);
copy(in, out);
out.flush();
final byte[] data = dataStream.toByteArray();
BitmapFactory.Options options = new BitmapFactory.Options();
//options.inSampleSize = 1;
bitmap = BitmapFactory.decodeByteArray(data, 0, data.length,options);
} catch (IOException e) {
Log.e(TAG, "Could not load Bitmap from: " + url);
} finally {
closeStream(in);
closeStream(out);
}
return bitmap;
}
private static void closeStream(Closeable stream) {
if (stream != null) {
try {
stream.close();
} catch (IOException e) {
android.util.Log.e(TAG, "Could not close stream", e);
}
}
}
private static void copy(InputStream in, OutputStream out) throws IOException {
byte[] b = new byte[IO_BUFFER_SIZE];
int read;
while ((read = in.read(b)) != -1) {
out.write(b, 0, read);
}
}
/***** Get Image Resource from URL (End) *****/
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.activity_main, menu);
return true;
}
}
FullImageActivity
String imagePath = getIntent().getStringExtra("fullImage");
if(imagePath != null && !imagePath.isEmpty()){
File imageFile = new File(imagePath);
if(imageFile.exists()){
Bitmap myBitmap = BitmapFactory.decodeFile(imageFile.getAbsolutePath());
ImageView iv = (ImageView) findViewById(R.id.fullimage);
iv.setImageBitmap(myBitmap);
}
}
