Android BaseRecycleServiceAdapter的保存状态
我正在应用程序中使用外部卡库()。 我也有两项活动Android BaseRecycleServiceAdapter的保存状态,android,android-recyclerview,state,baseadapter,Android,Android Recyclerview,State,Baseadapter,我正在应用程序中使用外部卡库()。 我也有两项活动 例如,在主活动中,我添加了两张三张卡 然后我输入了其中一个(进入ProductCard活动) 如果我按下“后退”-我在主要活动中看到正常情况(所有两张牌都在那里)。但如果我保存按钮“OK”(将意图从ProductCard活动调用为主活动),我会看到只有一张卡存在 我发现我在savedInstanceState上有一些问题,但我不知道如何在其中保存我的CardArrayRecyclServiceAdapter。当我从其他活动返回时,您能帮助我了解
package com.example.dmitry.myfoodbasket;
import android.content.Intent;
import android.os.Bundle;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.Snackbar;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.Toolbar;
import android.util.Log;
import android.view.View;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.Toast;
import java.io.Serializable;
import java.util.ArrayList;
import it.gmariotti.cardslib.library.cards.actions.BaseSupplementalAction;
import it.gmariotti.cardslib.library.cards.actions.IconSupplementalAction;
import it.gmariotti.cardslib.library.cards.material.MaterialLargeImageCard;
import it.gmariotti.cardslib.library.internal.Card;
import it.gmariotti.cardslib.library.internal.CardHeader;
import it.gmariotti.cardslib.library.recyclerview.internal.CardArrayRecyclerViewAdapter;
import it.gmariotti.cardslib.library.recyclerview.view.CardRecyclerView;
public class MainActivity extends AppCompatActivity {
final String LOG_TAG = "myLogs";
ArrayList<BaseSupplementalAction> actions;
ArrayList<Card> cards;
MaterialLargeImageCard card;
CardArrayRecyclerViewAdapter mCardArrayAdapter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Log.d(LOG_TAG, "onCreate");
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
fab.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
/*Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
.setAction("Action", null).show();*/
cards.add(card);
mCardArrayAdapter.notifyDataSetChanged();
}
});
cards = new ArrayList<Card>();
card =
MaterialLargeImageCard.with(this)
.setTextOverImage("Italian Beaches")
.useDrawableId(R.drawable.im_beach)
.setupSupplementalActions(R.layout.carddemo_native_material_supplemental_actions_large_icon,actions )
.build();
cards.add(card);
card.setOnClickListener(new Card.OnCardClickListener() {
@Override
public void onClick(Card card, View view) {
Intent intent=new Intent(MainActivity.this,ProductCard.class);
startActivity(intent);
}});
actions = new ArrayList<BaseSupplementalAction>();
IconSupplementalAction t1 = new IconSupplementalAction(this, R.id.ic1);
t1.setOnActionClickListener(new BaseSupplementalAction.OnActionClickListener() {
@Override
public void onClick(Card card, View view) {
Toast.makeText(MainActivity.this, " Click on Text SHARE ", Toast.LENGTH_SHORT).show();
}
});
actions.add(t1);
IconSupplementalAction t2 = new IconSupplementalAction(this, R.id.ic2);
t2.setOnActionClickListener(new BaseSupplementalAction.OnActionClickListener() {
@Override
public void onClick(Card card, View view) {
Toast.makeText(MainActivity.this," Click on Text LEARN ", Toast.LENGTH_SHORT).show();
}
});
actions.add(t2);
IconSupplementalAction t3 = new IconSupplementalAction(this, R.id.ic3);
t3.setOnActionClickListener(new BaseSupplementalAction.OnActionClickListener() {
@Override
public void onClick(Card card, View view) {
Toast.makeText(MainActivity.this, " Карточка удалена ", Toast.LENGTH_SHORT).show();
cards.remove(card);
mCardArrayAdapter.notifyDataSetChanged();
}
});
actions.add(t3);
mCardArrayAdapter = new CardArrayRecyclerViewAdapter(this, cards);
CardRecyclerView mRecyclerView = (CardRecyclerView) this.findViewById(R.id.carddemo_recyclerview);
mRecyclerView.setHasFixedSize(false);
mRecyclerView.setLayoutManager(new LinearLayoutManager(this));
if (mRecyclerView != null) {
mRecyclerView.setAdapter(mCardArrayAdapter);
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.menu_main, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
//noinspection SimplifiableIfStatement
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
}
package com.example.dmitry.myfoodbasket;
import android.content.Intent;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.AdapterView;
import android.widget.Button;
/**
* Created by Dmitry on 27.10.2015.
*/
public class ProductCard extends AppCompatActivity implements AdapterView.OnItemClickListener {
Button moneyOk_readylist;
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.product_card);
moneyOk_readylist=(Button)findViewById(R.id.moneyOk_readylist);
moneyOk_readylist.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent=new Intent(ProductCard.this,MainActivity.class);
startActivity(intent);
}
});
}
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
}
}
package com.example.dmitry.myfoodbasket;
导入android.content.Intent;
导入android.os.Bundle;
导入android.support.design.widget.FloatingActionButton;
导入android.support.design.widget.Snackbar;
导入android.support.v7.app.AppActivity;
导入android.support.v7.widget.LinearLayoutManager;
导入android.support.v7.widget.Toolbar;
导入android.util.Log;
导入android.view.view;
导入android.view.Menu;
导入android.view.MenuItem;
导入android.widget.Toast;
导入java.io.Serializable;
导入java.util.ArrayList;
导入it.gmariotti.cardslib.library.cards.actions.BaseSupplementalAction;
导入it.gmariotti.cardslib.library.cards.actions.iconsumplementalition;
导入it.gmariotti.cardslib.library.cards.material.MaterialLargeImageCard;
导入it.gmariotti.cardslib.library.internal.Card;
导入it.gmariotti.cardslib.library.internal.cardsheader;
导入it.gmariotti.cardslib.library.recyclerview.internal.cardarrayrecyclererviewadapter;
导入it.gmariotti.cardslib.library.recyclerview.view.CardRecyclerView;
公共类MainActivity扩展了AppCompatActivity{
最终字符串日志\u TAG=“myLogs”;
ArrayList行为;
ArrayList卡片;
材料图片卡;
CardArrayRecyclServiceAdapter mCardArrayAdapter;
@凌驾
创建时受保护的void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Log.d(Log_标签,“onCreate”);
Toolbar Toolbar=(Toolbar)findViewById(R.id.Toolbar);
设置支持操作栏(工具栏);
FloatingActionButton fab=(FloatingActionButton)findViewById(R.id.fab);
fab.setOnClickListener(新视图.OnClickListener(){
@凌驾
公共void onClick(视图){
/*Snackbar.make(查看“替换为您自己的操作”,Snackbar.LENGTH\u LONG)
.setAction(“Action”,null).show()*/
卡片。添加(卡片);
mCardArrayAdapter.notifyDataSetChanged();
}
});
cards=新的ArrayList();
卡片=
MaterialLargeImageCard.与(此)
.SettexOverimage(“意大利海滩”)
.UseDrawable ID(R.drawable.im_海滩)
.setupSupplementalActions(R.layout.carddemo\本地\材料\补充\动作\大图标、动作)
.build();
卡片。添加(卡片);
card.setOnClickListener(新的card.OnCardClickListener(){
@凌驾
公共作废onClick(卡片、视图){
意向意向=新意向(MainActivity.this、ProductCard.class);
星触觉(意向);
}});
actions=newarraylist();
IconSupplementalAction t1=新IconSupplementalAction(本,R.id.ic1);
t1.setOnActionClickListener(新的BaseAmplementalAction.OnActionClickListener(){
@凌驾
公共作废onClick(卡片、视图){
Toast.makeText(MainActivity.this,“单击文本共享”,Toast.LENGTH_SHORT.show();
}
});
增加(t1);
IConSupplicationT2=新IConSupplicationT2(本,R.id.ic2);
t2.setOnActionClickListener(新的BaseAmplementalAction.OnActionClickListener(){
@凌驾
公共作废onClick(卡片、视图){
Toast.makeText(MainActivity.this,“单击文本学习”,Toast.LENGTH_SHORT.show();
}
});
增加(t2);
ICONSUPPLIMENTACTION t3=新ICONSUPPLIMENTACTION(本,R.id.ic3);
t3.setOnActionClickListener(新的BaseAmplementalAction.OnActionClickListener(){
@凌驾
公共作废onClick(卡片、视图){
Toast.makeText(main activity.this,“kerkааааааааааааааа;
卡片。移除(卡片);
mCardArrayAdapter.notifyDataSetChanged();
}
});
新增行动(t3);
mCardArrayAdapter=新的CardArrayRecyclServiceAdapter(此为卡);
CardRecyclerView mRecyclerView=(CardRecyclerView)this.findViewById(R.id.carddemo\u recyclerview);
mRecyclerView.setHasFixedSize(false);
mRecyclerView.setLayoutManager(新的LinearLayoutManager(this));
if(mRecyclerView!=null){
mRecyclerView.setAdapter(mCardArrayAdapter);
}
}
@凌驾
公共布尔onCreateOptions菜单(菜单){
//为菜单充气;这会将项目添加到操作栏(如果存在)。
getMenuInflater().充气(右菜单菜单菜单主菜单);
返回true;
}
@凌驾
公共布尔值onOptionsItemSelected(菜单项项){
//处理操作栏项目单击此处。操作栏将
//自动处理Home/Up按钮上的点击,只要
//在AndroidManifest.xml中指定父活动时。
int id=item.getItemId();
//noinspection SimplifiableIf语句
if(id==R.id.action\u设置){
返回true;
}
返回super.onOptionsItemSelected(项目);
}
}
包com.example.dmitry.myfoodbasket;
导入android.conte