android-如何在导航抽屉中的两个片段之间通信数据
作者：互联网
我有一个包含不同片段的导航抽屉(每个项目显示一个片段),我想将数据从一个片段传递到另一个片段.(我只有一个活动,其中包含一个导航抽屉,其中有一个片段列表). .
我尝试了许多解决方案(捆绑和意图),但无法解决我的问题.
谁能帮助我.
这是我的第一个片段A：
包com.tutecentral.navigationdrawer;
import android.app.Fragment;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemSelectedListener;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Spinner;
import android.widget.TextView;
public class setting extends Fragment implements OnItemSelectedListener, View.OnClickListener{
Button button_validate;
EditText editText;
Spinner spinner;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// TODO Auto-generated method stub
View view;
view=inflater.inflate(R.layout.setting, container, false);
spinner=(Spinner) view.findViewById(R.id.spinnerSetting);
ArrayAdapter adapter=ArrayAdapter.createFromResource(getActivity(), R.array.listMenu, android.R.layout.simple_spinner_item);
spinner.setAdapter(adapter);
spinner.setOnItemSelectedListener(this);
editText=(EditText) view.findViewById(R.id.price);
button_validate=(Button) view.findViewById(R.id.buttonValidatePrices);
button_validate.setOnClickListener(this);
return view;
}
@Override
public void onItemSelected(AdapterView<?> adapter, View view, int position,long arg3) {
// TODO Auto-generated method stub
TextView myText=(TextView) view;
switch (position) {
case 0:
editText.setText("0");
break;
case 1:
editText.setText("1");
break;
case 2:
editText.setText("2");
break;
case 3:
editText.setText("3");
break;
case 4:
editText.setText("4");
break;
case 5:
editText.setText("5");
break;
case 6:
editText.setText("6");
break;
case 7:
editText.setText("7");
break;
case 8:
editText.setText("8");
break;
case 9:
editText.setText("9");
break;
default:
editText.setTag(getResources().getString(R.string.Default_prices));
}
}
@Override
public void onNothingSelected(AdapterView<?> arg0) {
// TODO Auto-generated method stub
}
@Override
public void onClick(View view) {
// TODO Auto-generated method stub
if(view.getId()==R.id.buttonValidatePrices) {
//SharedPreferences preferences=this.getActivity().getSharedPreferences("MyData", Context.MODE_PRIVATE);
//SharedPreferences.Editor editor=preferences.edit();
//editor.remove("price_"+spinner.getSelectedItem().toString());
//editor.putString("price_"+spinner.getSelectedItem().toString(), editText.getText().toString());
//editor.commit();
Bundle bundle=new Bundle();
bundle.putString("price_"+spinner.getSelectedItem().toString(), editText.getText().toString());
Menu menu=new Menu();
menu.setArguments(bundle);
}
}
}
这是我应该在其中获取数据的FragmentB(请参阅getarguments)：
包com.tutecentral.navigationdrawer;
/ **
*一个简单的{@link android.support.v4.app.Fragment}子类.
*
* /
公共类Menu扩展Fragment实现OnClickListener,TabListener {
public Menu(){
// TODO Auto-generated constructor stub
}
public static final String Default="20";
public static ActionBar actionBar;
Button order, add, remove;
Gallery gallery;
ImageView imageView;
TextView descriptionTextView;
TextView textViewPrice;
TextView totalPrice;
Bundle args = new Bundle();
int total=0, price=0;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,Bundle savedInstanceState) {
// Inflate the layout for this fragment
View view=inflater.inflate(R.layout.fragment_menu, container, false);
actionBar=getActivity().getActionBar();
actionBar.setNavigationMode(actionBar.NAVIGATION_MODE_TABS);
order=(Button) view.findViewById(R.id.commander);
order.setOnClickListener(this);
add=(Button) view.findViewById(R.id.addMenu);
add.setOnClickListener(this);
remove=(Button) view.findViewById(R.id.removeMenu);
remove.setOnClickListener(this);
gallery=(Gallery)view.findViewById(R.id.gallery);
imageView=(ImageView)view.findViewById(R.id.imageView);
gallery.setAdapter(new ImageAdapter(getActivity(), 0));
descriptionTextView=(TextView)view.findViewById(R.id.descriptionText);
textViewPrice=(TextView) view.findViewById(R.id.priceMenu);
textViewPrice.setOnClickListener(this);
totalPrice=(TextView) view.findViewById(R.id.TotalFieldMenu);
price=Integer.parseInt(textViewPrice.getText().toString());
gallery.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> adapter, View arg1, int position,long arg3) {
// TODO Auto-generated method stub
String price1;
SharedPreferences preferences=getActivity().getSharedPreferences("MyData", Context.MODE_PRIVATE);
switch (actionBar.getSelectedNavigationIndex()) {
case 0:
imageView.setImageResource(ImageAdapter.ThumbsIds[position]);
break;
case 1:
imageView.setImageResource(ImageAdapter.ThumbsIds2[position]);
break;
case 2:
imageView.setImageResource(ImageAdapter.ThumbsIds3[position]);
break;
default:
imageView.setImageResource(ImageAdapter.ThumbsIds[position]);
break;
}
ChangeData(position);
switch (ImageAdapter.ThumbsIds[position]) {
case R.drawable.pizza:
//price1=preferences.getString("price_"+"pizza", Default);
Log.i("bundlebundlebundle", getArguments().getString("price_"+"pizza",Default));
price1=getArguments().getString("price_"+"pizza", Default);
break;
case R.drawable.fishsoup:
price1=preferences.getString("price_"+"Fish soup", Default);
break;
case R.drawable.frenchfries:
price1=preferences.getString("price_"+"French fries", Default);
break;
case R.drawable.chakhchoukha:
price1=preferences.getString("price_"+"Chakhchoukha", Default);
break;
case R.drawable.couscous:
price1=preferences.getString("price_"+"couscous", Default);
break;
case R.drawable.zlabia:
price1=preferences.getString("price_"+"zlabia", Default);
break;
case R.drawable.juice:
price1=preferences.getString("price_"+"juice", Default);
break;
case R.drawable.salade_fruit:
price1=preferences.getString("price_"+"salade fruit", Default);
break;
case R.drawable.salade_fromage:
price1=preferences.getString("price_"+"salade fromage", Default);
break;
case R.drawable.salade_verte:
price1=preferences.getString("price_"+"salade verte", Default);
break;
default:
price1=preferences.getString("price_"+"pizza", Default);
break;
}
if(price1.equals(String.valueOf(Default))){
textViewPrice.setText(String.valueOf(Default));
}
else{
textViewPrice.setText(price1);
}
price=Integer.parseInt(price1);
}
});
ActionBar.Tab tab1=actionBar.newTab();
tab1.setText(getResources().getString(R.string.Starter));
tab1.setTabListener(this);
ActionBar.Tab tab2=actionBar.newTab();
tab2.setText(getResources().getString(R.string.Maindisk));
tab2.setTabListener(this);
ActionBar.Tab tab3=actionBar.newTab();
tab3.setText(getResources().getString(R.string.Desert));
tab3.setTabListener(this);
actionBar.addTab(tab1);
actionBar.addTab(tab2);
actionBar.addTab(tab3);
return view;
}
public ActionBar getActionBar() {
return actionBar;
}
public void setActionBar(ActionBar actionBar) {
this.actionBar = actionBar;
}
//This methode allow us to change the data according to the index of listView.
public void ChangeData(int index){
String [] description=getResources().getStringArray(R.array.Description);
descriptionTextView.setText(description[index]);
}
/*public void orderMenu(View view){
}*/
@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.commander:
//args.putString("price", textViewPrice.getText().toString());
//FragmentManager manager=getFragmentManager();
//MyDialog dialog=new MyDialog();
//dialog.setArguments(args);
//dialog.show(manager, "MyDialog");
Bundle args=new Bundle();
args.putString("priceTotal", totalPrice.getText().toString());
//haredPreferences preferences=this.getActivity().getSharedPreferences("Order_Price", Context.MODE_PRIVATE);
//haredPreferences.Editor editor=preferences.edit();
//ditor.putString("price1"+textViewPrice.toString(), String.valueOf(R.string.Default_prices));
//ditor.commit();
//imageView.setImageResource(ImageAdapter.ThumbsIds[0]);
//ChangeData(0);
break;
case R.id.removeMenu :
break;
case R.id.addMenu :
total=Integer.parseInt(totalPrice.getText().toString())+price;
totalPrice.setText(String.valueOf(total));
Toast.makeText(getActivity(), "dish added", Toast.LENGTH_SHORT).show();
break;
}
}
@Override
public void onViewCreated(View view, Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onViewCreated(view, savedInstanceState);
Log.i("bundlebundlebundle", getArguments().getString("price_"+"pizza",Default));
}
@Override
public void onTabReselected(Tab tab, FragmentTransaction ft) {
// TODO Auto-generated method stub
}
@Override
public void onTabSelected(Tab tab, FragmentTransaction ft) {
// TODO Auto-generated method stub
gallery.setAdapter(new ImageAdapter(getActivity(), tab.getPosition()));
switch (tab.getPosition()) {
case 0:
imageView.setImageResource(ImageAdapter.ThumbsIds[0]);
break;
case 1:
imageView.setImageResource(ImageAdapter.ThumbsIds2[0]);
break;
case 2:
imageView.setImageResource(ImageAdapter.ThumbsIds3[0]);
break;
default:
imageView.setImageResource(ImageAdapter.ThumbsIds[0]);
break;
}
}
@Override
public void onTabUnselected(Tab tab, FragmentTransaction ft) {
// TODO Auto-generated method stub
}
}
这是我使用适配器处理导航抽屉的主要活动(请参阅switch(switch(possition){：
包com.tutecentral.navigationdrawer;
import java.util.ArrayList;
import java.util.List;
import com.tutecentral.navigationdrawer.R.menu;
import android.os.Bundle;
import android.annotation.SuppressLint;
import android.app.ActionBar;
import android.app.Activity;
import android.app.Fragment;
import android.app.FragmentManager;
import android.content.res.Configuration;
import android.support.v4.app.ActionBarDrawerToggle;
import android.support.v4.view.GravityCompat;
import android.support.v4.widget.DrawerLayout;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ListView;
public class MainActivity extends Activity {
private DrawerLayout mDrawerLayout;
private ListView mDrawerList;
private ActionBarDrawerToggle mDrawerToggle;
private CharSequence mDrawerTitle;
private CharSequence mTitle;
CustomDrawerAdapter adapter;
List<DrawerItem> dataList;
@SuppressLint("ResourceAsColor")
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
// Initializing
dataList = new ArrayList<DrawerItem>();
mTitle = mDrawerTitle = getTitle();
mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
mDrawerList = (ListView) findViewById(R.id.left_drawer);
mDrawerLayout.setDrawerShadow(R.drawable.drawer_shadow, GravityCompat.START);
// Add Drawer Item to dataList
dataList.add(new DrawerItem(true)); // adding a spinner to the list
dataList.add(new DrawerItem("Main Options"));// adding a header to the list
dataList.add(new DrawerItem("Search", R.drawable.ic_action_search));
dataList.add(new DrawerItem("Menu", R.drawable.menu));
dataList.add(new DrawerItem("Envoie Facture", R.drawable.bill));
dataList.add(new DrawerItem("Affectations", R.drawable.table));
dataList.add(new DrawerItem("Other Options")); // adding a header to the list
dataList.add(new DrawerItem("About", R.drawable.ic_action_about));
dataList.add(new DrawerItem("Settings", R.drawable.setting));
dataList.add(new DrawerItem("Help", R.drawable.ic_action_help));
dataList.add(new DrawerItem("Social")); // adding a header to the list
dataList.add(new DrawerItem("Message", R.drawable.ic_action_email));
dataList.add(new DrawerItem("Likes", R.drawable.ic_action_good));
dataList.add(new DrawerItem("Twitter", R.drawable.twitter));
adapter = new CustomDrawerAdapter(this, R.layout.custom_drawer_item,dataList);
mDrawerList.setAdapter(adapter);
mDrawerList.setBackgroundColor(R.color.background_NavAda);
mDrawerList.setOnItemClickListener(new DrawerItemClickListener());
getActionBar().setDisplayHomeAsUpEnabled(true);
getActionBar().setHomeButtonEnabled(true);
mDrawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout, R.drawable.ic_drawer, R.string.drawer_open,R.string.drawer_close) {
public void onDrawerClosed(View view) {
getActionBar().setTitle(mTitle);
invalidateOptionsMenu(); // creates call to onPrepareOptionsMenu()
}
public void onDrawerOpened(View drawerView) {
getActionBar().setTitle(mDrawerTitle);
invalidateOptionsMenu(); // creates call to onPrepareOptionsMenu()
}
};
mDrawerLayout.setDrawerListener(mDrawerToggle);
if (savedInstanceState == null) {
if (dataList.get(0).isSpinner() & dataList.get(1).getTitle() != null) {
SelectItem(2);
} else if (dataList.get(0).getTitle() != null)
{ SelectItem(1);
} else {
SelectItem(0);
}
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
public void SelectItem(int possition) {
Fragment fragment = null;
Bundle args = new Bundle();
switch (possition) {
case 2:
fragment = new FragmentThree();
args.putString(FragmentThree.ITEM_NAME, dataList.get(possition).getItemName());
args.putInt(FragmentThree.IMAGE_RESOURCE_ID, dataList.get(possition).getImgResID());
break;
case 3:
fragment = new com.tutecentral.navigationdrawer.Menu();
break;
case 4:
fragment = new bill_send();
//args.putString(FragmentTwo.ITEM_NAME, dataList.get(possition).getItemName());
//args.putInt(FragmentTwo.IMAGE_RESOURCE_ID, dataList.get(possition).getImgResID());
break;
case 5:
fragment = new tables();
//args.putString(FragmentThree.ITEM_NAME, dataList.get(possition).getItemName());
//args.putInt(FragmentThree.IMAGE_RESOURCE_ID, dataList.get(possition).getImgResID());
break;
case 7:
fragment = new about();
//args.putString(FragmentTwo.ITEM_NAME, dataList.get(possition).getItemName());
//args.putInt(FragmentTwo.IMAGE_RESOURCE_ID, dataList.get(possition).getImgResID());
break;
case 8:
fragment = new setting();
//args.putString(FragmentThree.ITEM_NAME, dataList.get(possition).getItemName());
//args.putInt(FragmentThree.IMAGE_RESOURCE_ID, dataList.get(possition).getImgResID());
break;
case 9:
fragment = new FragmentOne();
args.putString(FragmentOne.ITEM_NAME, dataList.get(possition).getItemName());
args.putInt(FragmentOne.IMAGE_RESOURCE_ID, dataList.get(possition).getImgResID());
break;
case 10:
fragment = new FragmentTwo();
args.putString(FragmentTwo.ITEM_NAME, dataList.get(possition).getItemName());
args.putInt(FragmentTwo.IMAGE_RESOURCE_ID, dataList.get(possition).getImgResID());
break;
case 11:
fragment = new FragmentThree();
args.putString(FragmentThree.ITEM_NAME, dataList.get(possition).getItemName());
args.putInt(FragmentThree.IMAGE_RESOURCE_ID, dataList.get(possition).getImgResID());
break;
case 12:
fragment = new FragmentOne();
args.putString(FragmentOne.ITEM_NAME, dataList.get(possition).getItemName());
args.putInt(FragmentOne.IMAGE_RESOURCE_ID, dataList.get(possition).getImgResID());
break;
case 13:
fragment = new FragmentThree();
args.putString(FragmentThree.ITEM_NAME, dataList.get(possition).getItemName());
args.putInt(FragmentThree.IMAGE_RESOURCE_ID, dataList.get(possition).getImgResID());
break;
default:
break;
}
if(com.tutecentral.navigationdrawer.Menu.actionBar!=null){
if (com.tutecentral.navigationdrawer.Menu.actionBar.isShowing()){
com.tutecentral.navigationdrawer.Menu.actionBar.removeAllTabs();
}
}
fragment.setArguments(args);
FragmentManager frgManager = getFragmentManager();
frgManager.beginTransaction().replace(R.id.content_frame, fragment).commit();
mDrawerList.setItemChecked(possition, true);
setTitle(dataList.get(possition).getItemName());
mDrawerLayout.closeDrawer(mDrawerList);
}
@Override
public void setTitle(CharSequence title) {
mTitle = title;
getActionBar().setTitle(mTitle);
}
@Override
protected void onPostCreate(Bundle savedInstanceState) {
super.onPostCreate(savedInstanceState);
// Sync the toggle state after onRestoreInstanceState has occurred.
mDrawerToggle.syncState();
}
@Override
public void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
// Pass any configuration change to the drawer toggles
mDrawerToggle.onConfigurationChanged(newConfig);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// The action bar home/up action should open or close the drawer.
// ActionBarDrawerToggle will take care of this.
if (mDrawerToggle.onOptionsItemSelected(item)) {
return true;
}
return false;
}
private class DrawerItemClickListener implements
ListView.OnItemClickListener {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position,long id) {
if (dataList.get(position).getTitle() == null) {
SelectItem(position);
}
}
}
}
谢谢.
解决方法:
当您在NavigationDrawer内部单击时,可以使用setArguments()方法通过Bundle声明数据,如下所示：
// int id = 1;
MyFragment newFragment = new MyFragment();
Bundle args = new Bundle();
args.putInt("ARG_DATA_ID", id);
newFragment.setArguments(args);
// replace and commit with fragmenttransaction
然后,在您的Fragment内,使用如下所示的getArgument()方法：
Bundle arg = getArguments();
int id_pass = arg.getInt("ARG_DATA_ID");
// id_pass = 1;
但是,也许您可以在该主题中找到一些有用的提示：Communicating with Other Fragments.
更新：
好吧,我试图从您的代码中举一个例子,但是,这很卑鄙..很难;).
>您不会收到参数,因为在SelectItem方法中,您不会发送带有Menu片段的任何参数(但是您的开关是正确的方式,您的方法是正确的).当您在设置中不发送按钮或任何东西的情况下单击buttonValidatePrices时,尝试分别尝试发送一个参数,但在另一个捆绑中.刚创建,一个值存储在其中,什么也没有..它与FragmentTransaction没有关系.
>“内部菜单”中,您尝试通过以下方式接收：
Log.i("bundlebundlebundle", getArguments().getString("price_"+"pizza",Default));
但我认为使用以下方法会更好：
Log.i("bundlebundlebundle", getArguments().getString("price_pizza"));
你应该：
首先(在MainActivity中)=将单击的微调器的值从MainActivity获取到您的设置Fragment,创建一个Bundle并将此值设置为SelectItem方法中的fragment,如下所示：
switch(...) {
case 2:
frag = new Menu();
// get the value of the spinner selected from here! Something like this:
String text = ((Spinner) findViewById(R.id.spinnerSetting)). getSelectedItem().toString();
// String named "spinner_position", this is how you can get it after
args.putString("spinner_position", text);
break;
...
}
frag.setArguments(args);
// replace the fragment
Second(在Menu中)=接收此参数,如下所示：
// receive using the name "spinner_position", that's it. Nothing else.
String text_spinner = getArguments().getString("spinner_position");
标签：android-fragments,android-layout,android-intent,android-listview,android 来源： https://codeday.me/bug/20191121/2055045.html