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私はカスタムリストアダプターの中にcustomlistadapterと共にアクティビティクラスを持っています。
私は((Activity) context).runOnUiThread(new Runnable()でラップするとエラーメッセージを返すスレッドrunouithreadがあります。
実行時にエラーmsgがスローされます。ClassCastException: android.app.Application cannot be cast to android.app.Activityです。
だから私を助けてください。ClassCastException：android.app.Applicationをandroid.app.Activityにキャストすることができません
public class CustomListAdapterfriend extends BaseAdapter {
List<HashMap<String, Object>> models;
Context context;
LayoutInflater inflater;
URL urll;
HttpURLConnection connection;
InputStream input;
ViewHolder viewHolder;
//UI for Locations
ImageView pic,image,delam;
TextView name,timestamp,msg,url,idas,idas2,emasr,cn;
ArrayList<String> listItems;
ListView lv;
public int count1 = 0;
ProgressDialog pDialog;
//String session_email="",session_type="",share_app,share_via;
private String stringVal;
private int mCounter1=1;
private int counter=0;
public int temp=0;
String con, pros;
private int[] counters;
int pos;
int width,height;
int position2;
String id,emm;
Transformation transformation;
//ImageButton sharingButton;
String pacm,session_email,session_ph,session_type,session_loc,connter;
ArrayList<HashMap<String, Object>> usersList,usersList1;
JSONParser jParser = new JSONParser();
int i ;
JSONParser jsonParser = new JSONParser();
static String IP = IpAddress.Ip;
private String imagePath = IP+"/social/upload/";
//url to create new product
public static String add_wish = IP+"/studio/add_wishlist.php";
private static String url_all_properties5 = IP+"/social/get_all_agen_like.php";
private static String url_all_properties1 = IP+"/social/get_lik_coun.php";
private static String url_all_properties6 = IP+"/social/get_all_agen_like3.php";
private static String url_all_properties7 = IP+"/social/get_all_dele_like.php";
private static String url_all_properties8 = IP+"/social/get_all_dele_uplike.php";
boolean isSelected;
int a,a1,b,b1;
//private static final String TAG_SUCCESS1 = "mass";
private static final String TAG_USER = "users";
private static final String TAG_PRO = "properties";
//private static final String TAG_PRO1 = "properties1";
// products JSONArray
JSONArray users = null;
//JSONArray users1 = null;
View view;
// JSON Node names
private static final String TAG_SUCCESS = "success";
SharedPreferences sPref;
// int position;
public CustomListAdapterfriend(Context context, List<HashMap<String, Object>> models) {
this.context = context;
this. models = models;
inflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
this.counters = new int[30];
//this.session_email = sPref.getString("SESSION_UID","");
}
public class ViewHolder {
public TextView countt,idas5,emasr,cn;
// public String id,emm;
public ImageView like;
public ImageView share;
/*public void runOnUiThread(Runnable runnable) {
// TODO Auto-generated method stub
}*/
}
public void clear(){
if(models!=null)
models.clear();
}
@Override
public int getCount() {
return models.size();
}
public HashMap<String, Object> getItem(int position) {
return models.get(position);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public int getItemViewType(int position) {
// TODO Auto-generated method stub
return position;
}
@Override
public int getViewTypeCount() {
// TODO Auto-generated method stub
return 1;
}
@Override
public View getView(final int position, final View convertView, ViewGroup parent) {
// view = null;
view = convertView;
StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
StrictMode.setThreadPolicy(policy);
sPref= context.getSharedPreferences("REAL", Context.MODE_PRIVATE);
session_email = sPref.getString("SESSION_UID","");
session_ph = sPref.getString("SESSION_PH","");
session_type = sPref.getString("SESSION_TYPE", "");
session_loc = sPref.getString("SESSION_LOC", "");
// lv=(ListView)view.findViewById(R.id.list);
pos = getItemViewType(position);
// long posn = getItemId(position);
// final int paps= (int)posn ;
if (view == null) {
viewHolder = new ViewHolder();
view = inflater.inflate(R.layout.fragment_home2, parent, false);
//your code
//add below code after (end of) your code
viewHolder.idas5 = (TextView) view.findViewById(R.id.hpid);
viewHolder. emasr= (TextView) view.findViewById(R.id.ema);
viewHolder.like=(ImageView)view.findViewById(R.id.likem);
viewHolder.share=(ImageView)view.findViewById(R.id.sharemsp);
viewHolder.cn = (TextView) view.findViewById(R.id.count);
viewHolder.share.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
int position = (Integer) v.getTag();
HashMap<String, Object> item = models.get(position);
String imagePath = (String)item.get("IMAGE").toString();
try {
urll = new URL(imagePath);
} catch (MalformedURLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
try {
connection = (HttpURLConnection) urll.openConnection();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
connection.setDoInput(true);
try {
connection.connect();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
try {
input = connection.getInputStream();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
Bitmap immutableBpm = BitmapFactory.decodeStream(input);
if(immutableBpm !=null)
{
Bitmap mutableBitmap = immutableBpm.copy(Bitmap.Config.ARGB_8888, true);
View view = new View(context);
view.draw(new Canvas(mutableBitmap));
String path = Images.Media.insertImage(context.getContentResolver(), mutableBitmap, "Nur", null);
Uri uri = Uri.parse(path);
/* image = (ImageView) view.findViewById(R.id.feedImage1);
Drawable mDrawable = image.getDrawable();
Bitmap mBitmap = ((BitmapDrawable)mDrawable).getBitmap();
Intent share = new Intent(Intent.ACTION_SEND);
share.setType("image/*");
String path = Images.Media.insertImage(getContentResolver(), mBitmap, "Image Description", null);
Uri uri = Uri.parse(path);*/
Intent share = new Intent(Intent.ACTION_SEND);
share.setType("image/*");
share.putExtra(Intent.EXTRA_STREAM, uri);
context.startActivity(Intent.createChooser(share, "Share Image!"));
}
else
{
Toast.makeText(context, "No image to share", Toast.LENGTH_LONG).show();
}
}
});
// viewHolder.share.setOnItemClickListener(this);
viewHolder.like.setBackgroundResource(R.drawable.like1);
viewHolder.like.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
int position = (Integer) v.getTag();
// viewHolder.countt = (TextView) v.findViewById(R.id.count);
HashMap<String, Object> item = models.get(position);
viewHolder.idas5.setText((CharSequence) item.get("UIDAS"));
// id=(String) viewHolder.idas5.getText();
viewHolder.emasr.setText((CharSequence) item.get("EMAILM"));
id=(String) viewHolder.idas5.getText();
emm=(String) viewHolder.emasr.getText();
new LoadAllProducts().execute();
new LoadAllProducts22().execute();
notifyDataSetChanged();
/*if(viewHolder.like.isSelected()){
viewHolder.like.setSelected(false);
//viewHolder.like.setBackgroundResource(R.drawable.like2);
new LoadAllProducts7().execute();
new LoadAllProducts22().execute();
notifyDataSetChanged();
}
else if(!viewHolder.like.isSelected()){
viewHolder.like.setSelected(true);
//ctv.setBackgroundColor (Color.parseColor("#d2d0d0"));
// viewHolder.like.setBackgroundResource(R.drawable.like1);
new LoadAllProducts().execute();
new LoadAllProducts22().execute();
notifyDataSetChanged();
}*/
}
});
view.setTag(viewHolder);
} else {
viewHolder = (ViewHolder) view.getTag();
}
viewHolder.like.setTag(position);
viewHolder.share.setTag(position);
final HashMap<String, Object> item = getItem(position);
/* name.setText(((String)item.get(R.id.name)));
*
*
*/
new LoadAllProducts78().execute();
// boolean isSelected = (Boolean) item.get("selected");
/*if (viewHolder.like.isSelected()) {
viewHolder.like.setSelected(false);
viewHolder.like.setBackgroundResource(R.drawable.like2);
} else if (!viewHolder.like.isSelected()){
viewHolder.like.setSelected(true);
//ctv.setBackgroundColor (Color.parseColor("#d2d0d0"));
viewHolder.like.setBackgroundResource(R.drawable.like1);
} */
pic = (ImageView) view.findViewById(R.id.profilePic);
name = (TextView) view.findViewById(R.id.name);
idas = (TextView) view.findViewById(R.id.hpid);
idas2 = (TextView) view.findViewById(R.id.hpid2);
timestamp = (TextView) view.findViewById(R.id.timestamp);
msg = (TextView) view.findViewById(R.id.txtStatusMsg);
url = (TextView) view.findViewById(R.id.txtUrl);
image = (ImageView) view.findViewById(R.id.feedImage1);
idas.setText((CharSequence) item.get("UIDAS"));
viewHolder.cn.setText((CharSequence) item.get("COUN"));
// listItems.add(idas.getText().toString());
name.setText((CharSequence) item.get("NAME"));
timestamp.setText((CharSequence) item.get("TIME"));
msg.setText((CharSequence) item.get("MSG"));
url.setText((CharSequence) item.get("URL"));
//countt.setText((CharSequence) item.get("COUN"));
//count.setText("" + count1);
int w = image.getWidth();
int h = image.getHeight();
if (w > 1000)
{
a=w-1000;
b=w-a;
}
else
{
b=w;
}
if (h > 1000)
{
a1=h-1000;
b1=h-a1;
}
else
{
b1=h;
}
Picasso.with(context)
//.load("PIC")
.load((String)item.get("PIC"))
.placeholder(R.drawable.profile_dummy)
//.error(R.drawable.ic_whats_hot)
.resize(50, 50)
// .centerCrop()
// .fit()
.into(pic);
/*Display display = getActivity().getWindowManager().
getDefaultDisplay();
Point size = new Point();
display.getSize(size);
int width = size.x;*/
Picasso.with(context)
.load((String)item.get("IMAGE"))
//.load("IMAGE")
// .placeholder(R.drawable.ic_pages)
//.error(R.drawable.ic_home)
.resize(1000,image.getHeight())
.onlyScaleDown()
//.centerCrop()
// .fit().centerInside()
.into(image);
return view;
}
protected ContentResolver getContentResolver() {
// TODO Auto-generated method stub
return null;
}
class LoadAllProducts extends AsyncTask<String, String, String> {
@Override
protected void onPreExecute() {
super.onPreExecute();
/*pDialog = new ProgressDialog(context);
pDialog.setMessage("Loading.. Please wait...");
pDialog.setIndeterminate(false);
pDialog.setCancelable(false);
pDialog.show();*/
/*Runnable progressRunnable = new Runnable() {
@Override
public void run() {
pDialog.cancel();
}
};
Handler pdCanceller = new Handler();
pdCanceller.postDelayed(progressRunnable, 3000);*/
}
/**
* getting All products from url
* */
protected String doInBackground(String... args) {
// Building Parameters
// session_email = sPref.getString("SESSION_UID","");
usersList = new ArrayList<HashMap<String, Object>>();
//usersList1 = new ArrayList<HashMap<String, Object>>();
// id=(String) viewHolder.idas5.getText();
((Activity) context).runOnUiThread(new Runnable() {
@Override
public void run() {
try {
List<NameValuePair> params = new ArrayList<NameValuePair>();
params.add(new BasicNameValuePair("email", session_email));
params.add(new BasicNameValuePair("loc", "liked"));
params.add(new BasicNameValuePair("con", "1"));
params.add(new BasicNameValuePair("idtes", id));
params.add(new BasicNameValuePair("emas", emm));
JSONObject json = jParser.makeHttpRequest(url_all_properties5, "GET", params);
if (json != null) {
// Check your log cat for JSON reponse
Log.d("All start: ", json.toString());
// Checking for SUCCESS TAG
int success = json.getInt(TAG_SUCCESS);
if (success== 1) {
Log.d("Inside success...", json.toString());
connter = json.getString("loca");
Intent intent = ((Activity) context).getIntent();
intent.addFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
sPref.edit().putString("SESSION_UID", session_email).commit();
sPref.edit().putString("SESSION_TYPE", session_type).commit();
sPref.edit().putString("SESSION_PH", session_ph).commit();
sPref.edit().putString("SESSION_LOC", session_loc).commit();
((Activity) context).finish();
((Activity) context).overridePendingTransition(0, 0);
((Activity) context).startActivity(intent);
((Activity) context).overridePendingTransition(0, 0);
//Toast.makeText(context, "Already liked", Toast.LENGTH_LONG).show();
}
else if (success== 5){
// no products found
Toast.makeText(context, "Already liked", Toast.LENGTH_LONG).show();
}
} else {
}
} catch (JSONException e) {
e.printStackTrace();
}
}
});
return null;
}
/**
* After completing background task Dismiss the progress dialog
* **/
protected void onPostExecute(String file_url) {
// dismiss the dialog after getting all products
//pDialog.dismiss();
// updating UI from Background Thread
// pDialog.dismiss();
}
}
class LoadAllProducts78 extends AsyncTask<String, String, String> {
@Override
protected void onPreExecute() {
super.onPreExecute();
/*pDialog = new ProgressDialog(Friendsprofile.this);
pDialog.setMessage("Loading.. Please wait...");
pDialog.setIndeterminate(false);
pDialog.setCancelable(false);
pDialog.show();
*/
/*Runnable progressRunnable = new Runnable() {
@Override
public void run() {
pDialog.cancel();
}
};
Handler pdCanceller = new Handler();
pdCanceller.postDelayed(progressRunnable, 3000);*/
}
/**
* getting All products from url
* */
protected String doInBackground(String... args) {
// Building Parameters
// session_email = sPref.getString("SESSION_UID","");
//usersList = new ArrayList<HashMap<String, Object>>();
//usersList1 = new ArrayList<HashMap<String, Object>>();
// id=(String) viewHolder.idas5.getText();
((Activity) context).runOnUiThread(new Runnable() {
@Override
public void run() {
// TODO Auto-generated method stub
try {
List<NameValuePair> params = new ArrayList<NameValuePair>();
params.add(new BasicNameValuePair("email", session_email));
params.add(new BasicNameValuePair("emas", emm));
JSONObject json = jParser.makeHttpRequest(url_all_properties6, "POST", params);
if (json != null) {
// Check your log cat for JSON reponse
Log.d("All bastart: ", json.toString());
// Checking for SUCCESS TAG
int success = json.getInt(TAG_SUCCESS);
if (success== 1) {
viewHolder.like.setBackgroundResource(R.drawable.like1);
viewHolder.like.setSelected(true);
}
else if(success == 2) {
viewHolder.like.setBackgroundResource(R.drawable.like2);
}
} else {
}
} catch (JSONException e) {
e.printStackTrace();
}
}
});
return null;
}
/**
* After completing background task Dismiss the progress dialog
* **/
protected void onPostExecute(String file_url) {
// dismiss the dialog after getting all products
//pDialog.dismiss();
// updating UI from Background Thread
//pDialog.dismiss();
}
}
class LoadAllProducts22 extends AsyncTask<String, String, String> {
@Override
protected void onPreExecute() {
super.onPreExecute();
/*
pDialog = new ProgressDialog(context);
pDialog.setMessage("Loading.. Please wait...");
pDialog.setIndeterminate(false);
pDialog.setCancelable(false);
pDialog.show();
Runnable progressRunnable = new Runnable() {
@Override
public void run() {
pDialog.cancel();
}
};
Handler pdCanceller = new Handler();
pdCanceller.postDelayed(progressRunnable, 3000);*/
}
/**
* getting All products from url
* */
protected String doInBackground(String... args) {
// Building Parameters
// session_email = sPref.getString("SESSION_UID","");
List<NameValuePair> params = new ArrayList<NameValuePair>();
JSONObject json = jParser.makeHttpRequest(url_all_properties1, "GET", params);
if (json != null) {
// Check your log cat for JSON reponse
Log.d("All Productgetting start: ", json.toString());
// Checking for SUCCESS TAG
try {
int success = json.getInt(TAG_SUCCESS);
if (success== 1) {
}
else {
// no products found
// Launch Add New product Activity
/*Intent i = new Intent(getApplicationContext(), MainActivity.class);
// Closing all previous activities
i.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
startActivity(i);*/
}
} catch (JSONException e) {
e.printStackTrace();
}
} else {
}
return null;
}
/**
* After completing background task Dismiss the progress dialog
* **/
protected void onPostExecute(String file_url) {
// dismiss the dialog after getting all products
//pDialog.dismiss();
// updating UI from Background Thread
}
}
class LoadAllProducts7 extends AsyncTask<String, String, String> {
@Override
protected void onPreExecute() {
super.onPreExecute();
/*
pDialog = new ProgressDialog(context);
pDialog.setMessage("Loading.. Please wait...");
pDialog.setIndeterminate(false);
pDialog.setCancelable(false);
pDialog.show();
Runnable progressRunnable = new Runnable() {
@Override
public void run() {
pDialog.cancel();
}
};
Handler pdCanceller = new Handler();
pdCanceller.postDelayed(progressRunnable, 3000);*/
}
/**
* getting All products from url
* */
protected String doInBackground(String... args) {
// Building Parameters
// session_email = sPref.getString("SESSION_UID","");
usersList = new ArrayList<HashMap<String, Object>>();
//usersList1 = new ArrayList<HashMap<String, Object>>();
// id=(String) viewHolder.idas5.getText();
List<NameValuePair> params = new ArrayList<NameValuePair>();
params.add(new BasicNameValuePair("email", session_email));
params.add(new BasicNameValuePair("loc", "liked"));
params.add(new BasicNameValuePair("con", "1"));
params.add(new BasicNameValuePair("idtes", id));
params.add(new BasicNameValuePair("emas", emm));
JSONObject json = jParser.makeHttpRequest(url_all_properties7, "GET", params);
if (json != null) {
// Check your log cat for JSON reponse
Log.d("All start: ", json.toString());
// Checking for SUCCESS TAG
try {
int success = json.getInt(TAG_SUCCESS);
if (success== 1) {
// new LoadAllProducts22().execute();
// products found
// Getting Array of Products
/*users = json.getJSONArray(TAG_PRO);
//users1 = json.getJSONArray(TAG_PRO1);
// looping through All Products
for (int i = 0; i < users.length(); i++) {
JSONObject c = users.getJSONObject(i);
//ImageView imageView = (ImageView) findViewById(R.id.profilePic);
// Storing each json item in variable
//String scpass = countt.getText().toString();
String uid = c.getString("uid1"); //from php blue
// creating new HashMap
HashMap<String, Object> map = new HashMap<String, Object>();
// adding each child node to HashMap key => value
map.put("UIDAS", uid); //from
map.put("PIC", pic);
usersList.add(map);
//usersList1.add(map);
// creating new HashMap
}*/
}
else {
// no products found
// Launch Add New product Activity
/*Intent i = new Intent(getApplicationContext(), MainActivity.class);
// Closing all previous activities
i.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
startActivity(i);*/
}
} catch (JSONException e) {
e.printStackTrace();
}
} else {
}
return null;
}
/**
* After completing background task Dismiss the progress dialog
* **/
protected void onPostExecute(String file_url) {
// dismiss the dialog after getting all products
//pDialog.dismiss();
// updating UI from Background Thread
}
}
申し訳ありませんが、アクティビティのコンテキストを提供する方法と上記のコンストラクタを呼び出すコードを –
で更新することができます。ところで、 'MainActivity'があなたの' activity'の名前であるところで、 'MainActivity.this'のようなものを呼び出すことでそれを行うことができます。 –
CustomListAdapterfriendアダプタ=新しいCustomListAdapterfriend（getApplicationContext（）、usersList）; \t \t \t \t \t lv.setAdapter（adapter）;これは私がmainactivityでカスタムリストアダプタクラスに接続するために使用したコード –