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MainActivityでビューページがスワイプしたときにビューページのフリーグを更新しようとしています。MainActivityでビューページがスワイプしたときのビューページの内容を更新する方法
MenuActivity： -
package jbit.kanha;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.SharedPreferences;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Bundle;
import android.support.design.widget.TabLayout;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentTransaction;
import android.support.v4.view.ViewPager;
import android.util.Log;
import android.view.View;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.RelativeLayout;
import android.widget.TextView;
import android.widget.Toast;
import com.koushikdutta.async.future.FutureCallback;
import com.koushikdutta.ion.Ion;
import com.romainpiel.shimmer.Shimmer;
import com.romainpiel.shimmer.ShimmerTextView;
import org.json.JSONArray;
import org.json.JSONObject;
import jbit.kanha.AllAdepters.SideMenuAdapter;
import jbit.kanha.InternetConection.CheckInternetConection;
import jbit.kanha.InternetConection.ConnectionDetector;
import jbit.kanha.InternetConection.InternetDialoge;
import jbit.kanha.ProgressDialog.MyProgressDialog;
import jbit.kanha.SideMenuClasses.MyProfile;
import jbit.kanha.db.Database;
public class MenuActivity extends FragmentActivity implements View.OnClickListener{
public static ResideMenu resideMenu;
private MenuActivity mContext;
private ResideMenuItem itemHome;
private ResideMenuItem itemProfile;
private ResideMenuItem itemCalendar;
private ResideMenuItem itemSettings;
SharedPreferences loginPreferences;
private SharedPreferences pref;
ImageView profile_image;
public static TextView title_bar_right_menu,txt_total_rate;
Database database;
JSONArray categoryItem;
// private PagerSlidingTabStrip tabLayout;
private TabLayout tabLayout;
ViewPager pager;
private ConnectionDetector connectionDetector;
private MyProgressDialog dialog;
ViewPagerAdapter adapter;
OneFregment fregment;
// private int currentColor = Color.parseColor("#1D569B");
// PagerSlidingTabStrip tabStrip;
/**
* Called when the activity is first created.
*/
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
mContext = this;
database = new Database(MenuActivity.this);
tabLayout= (TabLayout)findViewById(R.id.tabs);
pager = (ViewPager)findViewById(R.id.pager);
loginPreferences = getSharedPreferences("loginPrefs", Context.MODE_PRIVATE);
connectionDetector = new ConnectionDetector(mContext);
dialog = new MyProgressDialog(mContext);
adapter = new ViewPagerAdapter(getSupportFragmentManager());
if (connectionDetector.isConnectingToInternet()){
getCategoryName();
}else{
Toast.makeText(mContext, "No Internet Connection", Toast.LENGTH_SHORT).show();
}
title_bar_right_menu = (TextView) findViewById(R.id.title_bar_right_menu);
txt_total_rate = (TextView) findViewById(R.id.txt_total_rate);
pref = getApplicationContext().getSharedPreferences("loginPrefs", MODE_PRIVATE);
Cursor cursor1 = database.getData("SELECT * FROM cart");
int count = cursor1.getCount();
cursor1.close();
title_bar_right_menu.setText(count+"");
setUpMenu();
pager.addOnPageChangeListener(new ViewPager.OnPageChangeListener() {
@Override
public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
}
@Override
public void onPageSelected(int position) {
getCategoryDataRefresh(position);
}
@Override
public void onPageScrollStateChanged(int state) {
}
});
}
private void getCategoryData(final int postion){
Ion.with(mContext)
.load(getResources().getString(R.string.api_main_url) + "categoryoriginal.php")
.setTimeout(30*1000)
.setBodyParameter("outlet_id",loginPreferences.getString("outlet_id",""))
.setBodyParameter("catid",String.valueOf(postion+1))
.asString().setCallback(new FutureCallback<String>() {
@Override
public void onCompleted(Exception e, String result) {
dialog.hide();
if (e != null) {
e.printStackTrace();
DialogsClassTwoData(mContext, "Connection Timed Out!", "Message...",postion).show();
}
if (result != null) {
try {
Log.d("name",result);
JSONObject mainJson = new JSONObject(result);
String status = mainJson.getString("status");
if(status.equals("Success")){
JSONArray jsonArray = mainJson.getJSONArray("data");
setUpViewPager(pager,categoryItem,jsonArray);
}
}catch (Exception ex) {
ex.printStackTrace();
Log.d("exaption", ex.toString());
}
} else {
Log.d("exaption", e.toString());
}
}
});
}
private void getCategoryDataRefresh(final int postion){
dialog.show();
Ion.with(mContext)
.load(getResources().getString(R.string.api_main_url) + "categoryoriginal.php")
.setTimeout(30*1000)
.setBodyParameter("outlet_id",loginPreferences.getString("outlet_id",""))
.setBodyParameter("catid",String.valueOf(postion+1))
.asString().setCallback(new FutureCallback<String>() {
@Override
public void onCompleted(Exception e, String result) {
dialog.hide();
if (e != null) {
e.printStackTrace();
DialogsClassTwoData(mContext, "Connection Timed Out!", "Message...",postion).show();
}
if (result != null) {
try {
Log.d("name",result);
JSONObject mainJson = new JSONObject(result);
String status = mainJson.getString("status");
if(status.equals("Success")){
Fragment frg = null;
frg = new OneFregment(mainJson.getJSONArray("data"));
final FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
ft.detach(frg);
ft.attach(frg);
ft.commit();
}
}catch (Exception ex) {
ex.printStackTrace();
Log.d("exaption", ex.toString());
}
} else {
Log.d("exaption", e.toString());
}
}
});
}
private void getCategoryName(){
dialog.show();
Ion.with(mContext)
.load(getResources().getString(R.string.api_main_url) + "categoryname.php")
.setTimeout(30*1000)
.asString().setCallback(new FutureCallback<String>() {
@Override
public void onCompleted(Exception e, String result) {
// dialog.hide();
if (e != null) {
e.printStackTrace();
DialogsClassTwo(mContext, "Connection Timed Out!", "Message...").show();
}
if (result != null) {
try {
Log.d("name",result);
JSONObject mainJson = new JSONObject(result);
String status = mainJson.getString("status");
if(status.equals("Success")){
JSONObject jsonObject = mainJson.getJSONObject("data");
categoryItem = jsonObject.getJSONArray("items");
// setUpViewPager(pager,jsonObject.getJSONArray("items"));
Log.d("json",jsonObject+"");
getCategoryData(0);
//data = jsonObject.getJSONArray("items");
/* for(int i=0;i<data.length();i++){
JSONObject jsonObject1 = data.getJSONObject(i);
bigImage.add(jsonObject1.getString("bigimage"));
}
pager.setAdapter(new CustomPagerAdapter(getActivity(),data));
final int pageMargin = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 4, getResources()
.getDisplayMetrics());
pager.setPageMargin(pageMargin);
tabs.setViewPager(pager);
changeColor(currentColor);*/
}
}catch (Exception ex) {
ex.printStackTrace();
Log.d("exaption", ex.toString());
}
} else {
Log.d("exaption", e.toString());
}
}
});
}
private void setUpViewPager(ViewPager pager, JSONArray jsonArray,JSONArray products){
try {
// ViewPagerAdapter adapter = new ViewPagerAdapter(getSupportFragmentManager());
for(int i=0;i<jsonArray.length();i++){
JSONObject jsonObject = jsonArray.getJSONObject(i);
adapter.addFrag(new OneFregment(products),jsonObject.getString("categoryname"));
}
pager.setAdapter(adapter);
tabLayout.setupWithViewPager(pager);
// tabLayout.tabSelectedTextColor
// getCategoryData();
}
catch (Exception e) {
Log.e("error", e.getMessage());
}
}
public AlertDialog.Builder DialogsClassTwo(Context cxt, final String message, String title){
return new AlertDialog.Builder(cxt).setTitle(title).setMessage(message).setPositiveButton("Try Again", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialogs, int which) {
// here you can add functions
if (CheckInternetConection.isInternetConnection(mContext.getApplicationContext())){
getCategoryName();
// getCategoryData();
}else{
InternetDialoge.showDialogFinishActivity(
"Internet Connection Failed!", "connection error", mContext);
}
}
});
}
public AlertDialog.Builder DialogsClassTwoData(Context cxt, final String message, String title, final int postion){
return new AlertDialog.Builder(cxt).setTitle(title).setMessage(message).setPositiveButton("Try Again", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialogs, int which) {
// here you can add functions
if (CheckInternetConection.isInternetConnection(mContext.getApplicationContext())){
//getCategoryName();
getCategoryData(postion);
}else{
InternetDialoge.showDialogFinishActivity(
"Internet Connection Failed!", "connection error", mContext);
}
}
});
}
private void setUpMenu() {
resideMenu = new ResideMenu(MenuActivity.this, R.layout.side_menu, R.layout.home);
//resideMenu.setBackground(Color.parseColor("#FAA514"));//FAA514
resideMenu.setBackground(R.drawable.slider_background);
resideMenu.attachToActivity(MenuActivity.this);
resideMenu.setScaleValue(0.5f);
View leftMenu = resideMenu.getLeftMenuView();
Shimmer shimmer = new Shimmer();//#faebd7
shimmer.setDuration(3000)
.setStartDelay(500)
.setDirection(Shimmer.ANIMATION_DIRECTION_LTR);
ShimmerTextView powered = (ShimmerTextView)leftMenu.findViewById(R.id.powered);
ListView list = (ListView) leftMenu.findViewById(R.id.list1);
list.setAdapter(new SideMenuAdapter(MenuActivity.this));
profile_image = (ImageView) leftMenu.findViewById(R.id.profile_image);
TextView title1 = (TextView) leftMenu.findViewById(R.id.title1);
TextView loction1 = (TextView) leftMenu.findViewById(R.id.loction1);
ImageView location_icon =(ImageView) leftMenu.findViewById(R.id.location_icon);
RelativeLayout ll_checkout = (RelativeLayout) findViewById(R.id.ll_checkout);
//loginPreferences = getSharedPreferences("loginPrefs", Context.MODE_PRIVATE);
title1.setText(loginPreferences.getString("fullname",""));
loction1.setText(loginPreferences.getString("address",""));
// if(!loginPreferences.getString("profileimage","").equals("")){
/* Picasso.with(MenuActivity.this)
.load(loginPreferences.getString("profileimage",""))
.error(R.drawable.images)
.placeholder(R.drawable.progress_animation)
.into(profile_image);*/
// File file = new File("/main_json/main_json/com.example.w.lazymojo/app_imageDir/profile.jpg");
shimmer.start(powered);
if(pref.getString("User_id", "").equals("")){
profile_image.setImageResource(R.drawable.images);
location_icon.setVisibility(View.INVISIBLE);
}
else {
Bitmap bitmap1 = BitmapFactory.decodeFile("/data/data/jbit.kanha/app_imageDir/profile.jpg");
if(bitmap1!=null){
Log.d("MenuActivity:-","image not null");
profile_image.setImageBitmap(bitmap1);
// Picasso.with(MenuActivity.this).load(file).resize(dpToPx(96),dpToPx(96)).centerCrop().into(profile_image);
}
else {
Log.d("MenuActivity:-","image is null");
profile_image.setImageResource(R.drawable.images);
}
}
profile_image.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if(pref.getString("User_id", "").equals("")){
profile_image.setImageResource(R.drawable.images);
new AlertDialog.Builder(MenuActivity.this).setTitle("Login").setMessage("You have to login first").setPositiveButton("Login", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
Intent in = new Intent(MenuActivity.this,LoginActivity.class);
startActivity(in);
}
}).setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
}
}).show();
}
else {
Intent i = new Intent(MenuActivity.this, MyProfile.class);
startActivity(i);
}
}
});
// }
ll_checkout.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if(!pref.getString("User_id", "").equals("")){
Intent i = new Intent(MenuActivity.this,MyCart.class);
startActivity(i);
finish();
}
else
{
new AlertDialog.Builder(MenuActivity.this).setTitle("Login").setMessage("You must login first").setPositiveButton("Login", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
Intent intent = new Intent(MenuActivity.this,LoginActivity.class);
startActivity(intent);
}
}).setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
}
}).show();
}
}
});
resideMenu.setSwipeDirectionDisable(ResideMenu.DIRECTION_RIGHT);
resideMenu.setSwipeDirectionDisable(ResideMenu.DIRECTION_LEFT);
findViewById(R.id.title_bar_left_menu).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
resideMenu.openMenu(ResideMenu.DIRECTION_LEFT);
}
});
findViewById(R.id.cart_img).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
if(!pref.getString("User_id", "").equals("")){
Intent i = new Intent(MenuActivity.this,MyCart.class);
startActivity(i);
finish();
}
else
{
new AlertDialog.Builder(MenuActivity.this).setTitle("Login").setMessage("You must login first").setPositiveButton("Login", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
Intent intent = new Intent(MenuActivity.this,LoginActivity.class);
startActivity(intent);
}
}).setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
}
}).show();
}
// resideMenu.openMenu(ResideMenu.DIRECTION_RIGHT);
}
});
}
@Override
public void onClick(View view) {
resideMenu.closeMenu();
}
private ResideMenu.OnMenuListener menuListener = new ResideMenu.OnMenuListener() {
@Override
public void openMenu() {
// Toast.makeText(mContext, "Menu is opened!", Toast.LENGTH_SHORT).show();
}
@Override
public void closeMenu() {
//Toast.makeText(mContext, "Menu is closed!", Toast.LENGTH_SHORT).show();
}
};
// What good method is to access resideMenu？
public ResideMenu getResideMenu(){
return resideMenu;
}
@Override
protected void onResume() {
super.onResume();
}
@Override
public void onBackPressed() {
super.onBackPressed();
finish();
moveTaskToBack(true);
}
}
ViewPagerAdapter.java：
class ViewPagerAdapter extends FragmentPagerAdapter {
private final List<Fragment> mFragmentList = new ArrayList<>();
private final List<String> mFragmentTitleList = new ArrayList<>();
public ViewPagerAdapter(FragmentManager manager) {
super(manager);
}
@Override
public Fragment getItem(int position) {
return mFragmentList.get(position);
}
@Override
public int getCount() {
return mFragmentList.size();
}
public void addFrag(Fragment fragment, String title) {
mFragmentList.add(fragment);
mFragmentTitleList.add(title);
}
@Override
public int getItemPosition(Object object) {
return POSITION_NONE;
}
@Override
public CharSequence getPageTitle(int position) {
return mFragmentTitleList.get(position);
}
}
OneFregement： -
public class OneFregment extends Fragment {
JSONArray jsonArray;
ListView listView;
HomeLiatAdapter adapter;
public OneFregment() {
// Required empty public constructor
}
@SuppressLint("ValidFragment")
public OneFregment(JSONArray jsonArray){
this.jsonArray = jsonArray;
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View v = inflater.inflate(R.layout.home_child_layout, container, false);
listView = (ListView) v.findViewById(R.id.list);
try {
JSONObject obj = jsonArray.getJSONObject(0);
adapter = new HomeLiatAdapter(getContext(),obj.getJSONArray("items"),obj.getString("bigimage"));
listView.setAdapter(adapter);
}catch (Exception e){
e.printStackTrace();
}
return v;
}
/* public void update(){
try {
JSONObject obj = jsonArray.getJSONObject(0);
adapter = new HomeLiatAdapter(getContext(),obj.getJSONArray("items"),obj.getString("bigimage"));
listView.setAdapter(adapter);
}catch (Exception e){
e.printStackTrace();
}
}*/
}
私はこれを行うしていますが、作成しようとも前のdata.I示しfregmentですfregmentクラスのupdateメソッドはすべてwainです。
私はAndroidで新しく開発中の私を助けてください。前もって感謝します。
あなたのviewPagerAdapterには、メソッド名getItemPositionがあり、position_none ..を返します。これは、あるフラグメントを別のフラグメントにスワイプしたときにあなたのviewPagerが更新されることを意味します。だからあなたの次の問題は何か... –