【发布时间】：2017-06-13 16:52:19
【问题描述】：
这张照片是我的应用程序启动时（所以是第一次）enter image description here
之后，当我选择 s 文件 XML（带有文件管理器）来获取 id 复选框和选中的复选框时，我得到了这个
为什么？谁能帮帮我？
我给你看我的代码！
活动：
public class ScrollableTabsActivity extends AppCompatActivity {
private Toolbar toolbar;
private TabLayout tabLayout;
private ViewPager viewPager;
private Button cazzo;
//private SQLiteHandler db;
private SessionManager session;
private TextView txtName;
private TextView txtEmail;
int s;
String intentt="";
File file;
Uri filePath;
ListView lv;
ArrayList<Integer> hm=new ArrayList<>();
String path;
ArrayList<Planet> planetList=new ArrayList();
private String myString = "azz";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_scrollable_tabs);
toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
cazzo = (Button) findViewById(R.id.btnLogout);
txtName = (TextView) findViewById(R.id.name);
txtEmail = (TextView) findViewById(R.id.numero_telefonico);
lv=(ListView)findViewById(R.id.listview);
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
viewPager = (ViewPager) findViewById(R.id.viewpager);
setupViewPager(viewPager);
tabLayout = (TabLayout) findViewById(R.id.tabs);
tabLayout.setupWithViewPager(viewPager);
cazzo.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
logoutUser();
}
});
//db = new SQLiteHandler(getApplication());
// session manager
/* session = new SessionManager(getApplication());
if (!session.isLoggedIn()) {
logoutUser();
}*/
// Fetching user details from SQLite
/* HashMap<String, String> user = db.getUserDetails();
String name = user.get("name");
String email = user.get("email");
String id=user.get("id");
// Displaying the user details on the screen
System.out.println(name + email);
txtName.setText(email);*/
s = getIntent().getIntExtra("EXTRA_SESSION_ID",0);
System.out.println("IDDDDDDD" + s);
// getMyData();
}
/* public int getMyData() {
return s;
}*/
private void logoutUser() {
//session.setLogin(false);
// db.deleteUsers();
// Launching the login activity
/* Intent intent = new Intent(ScrollableTabsActivity.this, LoginActivity.class);
startActivity(intent);
finish();*/
Intent intent = new Intent();
intent.setPackage("com.asus.filemanager");
intent.setType("text/xml");
intent.setAction(Intent.ACTION_GET_CONTENT);
startActivityForResult(Intent.createChooser(intent, "LOGOUT"), 1);
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
filePath = data.getData();
path = FilePath.getPath(this, filePath);
System.out.println("PATH" + path);
int a=0;
String status="";
boolean statuss = false;
String intenttt= path;
System.out.println("INTENT:"+intenttt);
file = new File(intenttt);
System.out.println("FILE:"+file);
FileInputStream is = null;
try {
is = new FileInputStream(file);
} catch (FileNotFoundException e) {
e.printStackTrace();
}
DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
DocumentBuilder dBuilder = null;
try {
dBuilder = dbFactory.newDocumentBuilder();
} catch (ParserConfigurationException e) {
e.printStackTrace();
}
Document doc = null;
try {
doc = dBuilder.parse(is);
} catch (SAXException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
Element element = doc.getDocumentElement();
element.normalize();
NodeList nList = doc.getElementsByTagName("checkboxes_pizza");
for (int i = 0; i < nList.getLength(); i++) {
Node node = nList.item(i);
if (node.getNodeType() == Node.ELEMENT_NODE) {
Element element2 = (Element) node;
//tv1.setText(tv1.getText()+"\nName : " + getValue("name", element2)+"\n");
String id = getValue("id", element2);
a = Integer.parseInt(id);
status = getValue("status", element2);
statuss= Boolean.parseBoolean(status);
System.out.println("XML:" + a);
hm.add(a);
System.out.println("AZZ:" + hm);
}
}
Bundle bundle = new Bundle();
bundle.putIntegerArrayList("oki", hm);
Fragment fragment = new MyListFragment();
fragment.setArguments(bundle);
FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
transaction.replace(R.id.container, fragment);
transaction.commit();
System.out.println("PASSATO "+bundle);
}
private static String getValue(String tag, Element element) {
NodeList nodeList = element.getElementsByTagName(tag).item(0).getChildNodes();
Node node = nodeList.item(0);
return node.getNodeValue();
}
/* @Override
protected void onPause() {
super.onPause();
logoutUser();
}*/
private void setupViewPager(ViewPager viewPager) {
ViewPagerAdapter adapter = new ViewPagerAdapter(getSupportFragmentManager());
adapter.addFrag(new MyListFragment(), "PIZZE");
adapter.addFrag(new SixFragment(), "SIX");
adapter.addFrag(new FiveFragment(), "TAVOLI");
adapter.addFrag(new ThreeFragment(), "BEVANDE");
adapter.addFrag(new FourFragment(), "STAMPA");
adapter.addFrag(new TwoFragment(), "TWO");
adapter.addFrag(new SevenFragment(), "SEVEN");
adapter.addFrag(new EightFragment(), "EIGHT");
adapter.addFrag(new NineFragment(), "NINE");
adapter.addFrag(new TenFragment(), "TEN");
viewPager.setAdapter(adapter);
viewPager.setOffscreenPageLimit(10);
}
/*private void logoutUser() {
SessionManager session;
session.setLogin(false);
db.deleteUsers();
// Launching the login activity
// Intent intent = new Intent(MyListFragment.this, LoginActivity.class);
Intent intent = new Intent(getApplicationContext(), LoginActivity.class);
startActivity(intent);
getA.finish();
}*/
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 CharSequence getPageTitle(int position) {
return mFragmentTitleList.get(position);
}
}
}
片段：
public class MyListFragment extends Fragment /*implements
CompoundButton.OnCheckedChangeListener, View.OnClickListener*/ {
ListView lv;
ArrayList<Planet> planetList;
static PlanetAdapter plAdapter;
private TextView txtName;
private TextView txtEmail;
private Button btnLogout;
ListView listView;
String user = "";
private Spinner spinner;
String selState;
EditText cristo;
private String zao;
CheckBox ck;
//private SQLiteHandler db;
private SessionManager session;
BirraAdapter biAdapter;
PlanetAdapter.PlanetHolder holder;
private static Context context = null;
private static FragmentActivity mInstance;
ArrayList<Integer> hm=new ArrayList<>();
ArrayList<Integer> strtext;
ArrayList<Integer>mItems;
HashMap<Integer,String> ar=new HashMap<>();
//static String intent;
File file;
Uri filePath;
View a,b;
Integer[] imageId = {
R.mipmap.androtuto,
R.mipmap.ic_launcher,
R.mipmap.ic_launcher,
R.mipmap.ic_launcher,
R.mipmap.ok,
};
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
/*Bundle bundle = getArguments();
if (bundle != null) {
//String data = bundle.getString("params");
strtext=bundle.getIntegerArrayList("oki");
//PlanetAdapter pl=new PlanetAdapter(getContext(),R.layout.single_listview_item,strtext);
//System.out.println("PARAM:"+data);
}
*/
/* try {
int a=0;
String status="";
boolean statuss = false;
*//*File file = new File(Environment.getExternalStorageDirectory()
.getAbsolutePath() + "/ordinazioni/26:Maggio:2017-15:02:40 PM.xml");
System.out.println("FILE:"+file);*//*
Intent intent = getActivity().getIntent();
String intenttt=intent.getData().getPath();
*//* file = new File(Environment.getExternalStorageDirectory()
.getAbsolutePath() +intenttt);*//*
// String.valueOf(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS));
file = new File(intenttt);
System.out.println("FILE:"+file);
FileInputStream is = new FileInputStream(file);
DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
Document doc = dBuilder.parse(is);
Element element = doc.getDocumentElement();
element.normalize();
NodeList nList = doc.getElementsByTagName("checkboxes_pizza");
for (int i = 0; i < nList.getLength(); i++) {
Node node = nList.item(i);
if (node.getNodeType() == Node.ELEMENT_NODE) {
Element element2 = (Element) node;
//tv1.setText(tv1.getText()+"\nName : " + getValue("name", element2)+"\n");
String id = getValue("id", element2);
a = Integer.parseInt(id);
status = getValue("status", element2);
statuss= Boolean.parseBoolean(status);
System.out.println("XML:" + a);
hm.add(a);
}
}
} catch (Exception e) {
e.printStackTrace();
}*/
}
/*private static String getValue(String tag, Element element) {
NodeList nodeList = element.getElementsByTagName(tag).item(0).getChildNodes();
Node node = nodeList.item(0);
return node.getNodeValue();
}*/
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// Inflate the custom_spinner_items for this fragment
//super.onDestroy();
SharedPreferences settings = getContext().getSharedPreferences("states", Context.MODE_PRIVATE);
SharedPreferences.Editor editor = settings.edit();
editor.clear();
editor.commit();
ViewGroup rootView = (ViewGroup) inflater.inflate(R.layout.fragment_list2, container, false);
ck=(CheckBox)rootView.findViewById(R.id.chk_box);
//lv = (ListView)getView().findViewById(R.id.listview);
Bundle bundle = getArguments();
if (bundle != null) {
//String data = bundle.getString("params");
strtext=bundle.getIntegerArrayList("oki");
//PlanetAdapter pl=new PlanetAdapter(getContext(),R.layout.single_listview_item,strtext);
System.out.println("PARAM:"+strtext);
}
/*Bundle bundle = getArguments();
if (bundle != null) {
//String data = bundle.getString("params");
strtext=bundle.getIntegerArrayList("oki");
System.out.println("PARAM:"+strtext);
}*/
//lv = (ListView) rootView.findViewById(R.id.listview);
//ListAdapter listAdapter = new MyListAdapter(getContext());
//lv.setAdapter(listAdapter);
context = getActivity();
mInstance = getActivity();
btnLogout = (Button) rootView.findViewById(R.id.btnLogout);
return rootView;
}
@Override
public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
lv = (ListView)getView().findViewById(R.id.listview);
//ck=(CheckBox)getView().findViewById(R.id.chk_box);
displayPlanetList();
}
private void displayPlanetList() {
planetList = new ArrayList<Planet>();
//planetList.clear();
planetList.add(new Planet(0, "Margherita", "6", "€", "(pomodoro e mozzarella)"));
planetList.add(new Planet(1,"Diavola", "7","€","(pomodoro,mozzarella e salsiccia piccante)"));
planetList.add(new Planet(2,"Bufalina", "5","€","(pomodoro e mozzarella di bufala)"));
planetList.add(new Planet(3, "Marinara", "5", "€", "(pomodoro)"));
planetList.add(new Planet(4,"Viennese", "4", "€", "(pomodoro,mozzarella e wrustel)"));
plAdapter = new PlanetAdapter(planetList, getContext(),imageId,strtext) {
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
String pero="";
int la=0;
int pos = lv.getPositionForView(buttonView);
System.out.println("POS:"+pos);
if (pos != ListView.INVALID_POSITION) {
Planet p = planetList.get(pos);
p.setSelected(isChecked);
Toast.makeText(
getActivity(),
"Clicked on Pizza: " + la + ". State: is "
+ isChecked, Toast.LENGTH_SHORT).show();
}
}
};
lv.setAdapter(plAdapter);
}
@TargetApi(Build.VERSION_CODES.KITKAT)
public String showResultTotale2(View v) {
/*int id=0;
String pizzeOrdinate="";
for (Planet p : plAdapter.getBox()) {
if (p.isSelected()){
pizzeOrdinate+="\n" + p.getName() + " " +p.getTipo() + " " +p.getDistance() + "€" + "q.tà :" + p.getQuantità2();
}
}
return pizzeOrdinate;*/
int id=0;
String pizzeOrdinate="";
for (int i=0;i<plAdapter.getCount();i++) {
Planet p=plAdapter.getItem(i);
if (p.isSelected()){
pizzeOrdinate+="\n" + p.getName() + " " +p.getTipo() + " " +p.getDistance() + "€" + "q.tà :" + p.getQuantità2();
}
}
return pizzeOrdinate;
}
public List<Integer> id(View v) {
int id=0;
int idd=0;
String acab="";
String pizzeOrdinate="";
List<Integer> urls = new ArrayList<>();
LinkedList<Integer>azz=new LinkedList<>();
/*for (Planet p : plAdapter.getBox()) {
//Planet p=planetList.get(i);
if (p.isSelected()){
id=p.getId();
urls.add(id);
//azz.add(id);
}*/
for (int i=0;i<plAdapter.getCount();i++) {
Planet p=plAdapter.getItem(i);
if (p.isSelected()){
//pizzeOrdinate+="\n" + p.getName() + " " +p.getTipo() + " " +p.getDistance() + "€" + "q.tà :" + p.getQuantità2();
id=p.getId();
urls.add(id);
}
}
return urls;
}
public int showResultTotale(View v) {
int totalAmount=0;
/*for (Planet p : plAdapter.getBox()) {
if (p.isSelected()){
//int quantitaInt= Integer.parseInt(p.getQuantità() )
int quantitaInt2=p.getQuantità2();
int distanceInt= Integer.parseInt(p.getDistance());
totalAmount+=distanceInt * quantitaInt2;
}
}*/
for (int i=0;i<plAdapter.getCount();i++) {
Planet p=plAdapter.getItem(i);
if (p.isSelected()){
//pizzeOrdinate+="\n" + p.getName() + " " +p.getTipo() + " " +p.getDistance() + "€" + "q.tà :" + p.getQuantità2();
int quantitaInt2=p.getQuantità2();
int distanceInt= Integer.parseInt(p.getDistance());
totalAmount+=distanceInt * quantitaInt2;
}
}
return totalAmount;
}
}
我在其中放置 LISTVIEW 的属性的 XML（膨胀 - FRAGMENT_LIST2）：
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:weightSum="1"
android:id="@+id/a"
android:layout_marginLeft="5dp"
><!--android:onClick="showResult"-->
<!-- <LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_centerInParent="true"
android:layout_marginLeft="20dp"
android:layout_marginRight="20dp"
android:gravity="center"
android:orientation="horizontal" >
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/welcome"
android:textSize="20dp"
android:layout_marginLeft="5dp"
/>
<TextView
android:id="@+id/name"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:padding="10dp"
android:textColor="@color/lbl_name"
android:textSize="24dp"
android:layout_marginLeft="5dp"
/>
<Button
android:id="@+id/btnLogout"
android:layout_width="122dp"
android:layout_height="wrap_content"
android:layout_marginRight="40dip"
android:background="@color/btn_logut_bg"
android:text="@string/btn_logout"
android:textAllCaps="false"
android:textColor="@color/white"
android:textSize="15dp"
android:layout_marginLeft="5dp"
/>
</LinearLayout>-->
<TextView
android:id="@+id/numero_telefonico"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textColor="@color/lbl_name"
android:textSize="13dp" />
<ListView
android:id="@+id/listview"
android:layout_marginTop="100dp"
android:layout_width="fill_parent"
android:layout_height="match_parent">
</ListView>
<!-- <Button
android:id="@+id/button"
android:layout_width="200dp"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:onClick="showResult"
android:text="get_answer">
</Button>-->
</LinearLayout>
【问题讨论】：
标签： java android android-layout fragment