Android 调用另一个片段时线程仍在运行
嗨,我有一个线程在片段a上运行,当我调用第二个片段时,假设片段a必须调用method onPause(),在这里我停止线程,但线程仍在运行,因为我在第一个片段上有一个吐司,显示了一条消息,如果我在片段a上的列表为空,而在片段B上的列表为空,让我向您粘贴代码: 片段A:Android 调用另一个片段时线程仍在运行,android,android-fragments,onpause,Android,Android Fragments,Onpause,嗨,我有一个线程在片段a上运行,当我调用第二个片段时,假设片段a必须调用method onPause(),在这里我停止线程,但线程仍在运行,因为我在第一个片段上有一个吐司,显示了一条消息,如果我在片段a上的列表为空,而在片段B上的列表为空,让我向您粘贴代码: 片段A: public class FragmentoPrincipalChofer extends ListFragment { private List<ParseObject> mPedido;
public class FragmentoPrincipalChofer extends ListFragment {
private List<ParseObject> mPedido;
private List<ParseObject> mViaje;
private List<ParseUser> mUrlUsuario;
private ListView mLista;
private Runnable r;
final Handler handler = new Handler();
private String mChoferActual;
private String mPassChofer;
private AdaptadorDatosListviewChofer adaptador;
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View x = inflater.inflate(R.layout.fragmento_principal_chofer, container, false);
mLista = (ListView)x.findViewById(android.R.id.list);
SharedPreferences pref = getContext().getSharedPreferences("login", 0);
mChoferActual= pref.getString("usuario","");
mPassChofer= pref.getString("pass","");
ParseUser.logInInBackground(mChoferActual, mPassChofer, new LogInCallback() {
public void done(ParseUser user, ParseException e) {
if (user != null) {
// Hooray! The user is logged in.
} else {
// Signup failed. Look at the ParseException to see what happened.
}
}
});
return x;
}
@Override
public void onResume() {
super.onResume();
// logica de recibir pedidos
final ProgressDialog dialogoProgreso = new ProgressDialog(getContext());
dialogoProgreso.setTitle("Cargando");
dialogoProgreso.setMessage("Buscando Pedidos");
dialogoProgreso.setCancelable(false);
dialogoProgreso.show();
r = new Runnable() {
public void run() {
handler.postDelayed(r, 10000);
//obtener pedido de taxi
ParseQuery<ParseObject> query = ParseQuery.getQuery("Pedido");
query.whereEqualTo("chofer", mChoferActual);
query.addDescendingOrder("createdAt");
query.findInBackground(new FindCallback<ParseObject>() {
public void done(List<ParseObject> pedido, com.parse.ParseException e) {
if (e == null) {
if(pedido.size()==0){
dialogoProgreso.cancel();
Toast.makeText(getContext(), "prueba", Toast.LENGTH_LONG).show();
}else{
dialogoProgreso.cancel();
mPedido = pedido;
String[] nombreUsuarios = new String[mPedido.size()];
int i = 0;
for (ParseObject pedidos : mPedido) {
nombreUsuarios[i] = pedidos.getString("cliente");
i++;
}
adaptador = new AdaptadorDatosListviewChofer(getListView().getContext(), mPedido);
setListAdapter(adaptador);
}
} else {
}
}
});
}
};
r.run();
ClickPedido();
}
// manejo de click sobre el pedido de taxi
public void ClickPedido() {
mLista.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, final int position, long id) {
final String clienteSeleccionado = mPedido.get(position).get("cliente").toString();
AlertDialog.Builder builder = new AlertDialog.Builder(getContext());
builder.setTitle("Confirmacion de pedido")
.setMessage("Esta seguro que desea tomar el pedido de " + clienteSeleccionado)
.setPositiveButton("OK",
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
adaptador.remove(mPedido.get(position));
adaptador.notifyDataSetChanged();
ParseQuery<ParseObject> query2 = ParseQuery.getQuery("Pedido");
query2.whereEqualTo("cliente", clienteSeleccionado);
query2.getFirstInBackground(new GetCallback<ParseObject>() {
public void done(ParseObject chofer, ParseException e) {
if (chofer == null) {
Toast.makeText(getContext(), e.getMessage(), Toast.LENGTH_LONG).show();
} else {
try {
ParseObject viaje = new ParseObject("Viaje");
viaje.put("chofer", mChoferActual);
viaje.put("cliente", chofer.get("cliente").toString());
viaje.saveInBackground();
chofer.delete();
chofer.saveInBackground();
Fragment fragment2 = new MapaChofer();
FragmentTransaction transaction = getChildFragmentManager().beginTransaction();
transaction.replace(R.id.prueba2, fragment2).addToBackStack(null);
transaction.commit();
} catch (ParseException e1) {
e1.printStackTrace();
}
}
}
});
}
}
)
.setNegativeButton("CANCELAR",
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog,
int which) {
}
}
);
builder.show();
}
}
);
}
@Override
public void onPause() {
super.onPause();
handler.removeCallbacks(r);
}
}
公共类FragmentoPrincipalChofer扩展了ListFragment{
私人名单;
私人名单mViaje;
私人名单mUrlUsuario;
私有ListView-mLista;
私人运营商;
最终处理程序=新处理程序();
私有字符串mChoferActual;
私人字符串mPassChofer;
私人AdapterDatoListViewChofer Adapter;
创建视图上的公共视图(布局、充气机、视图组容器、,
Bundle savedInstanceState){
视图x=充气机。充气(R.布局。主容器碎片,容器,假);
mLista=(ListView)x.findViewById(android.R.id.list);
SharedReferences pref=getContext().GetSharedReferences(“登录”,0);
mChoferActual=pref.getString(“usuario”和“”);
mPassChofer=pref.getString(“通过”,“通过”);
loginBackground(mChoferActual、mPassChofer、newlogincallback()等){
公共无效完成(ParseUser用户,parsee异常){
如果(用户!=null){
//万岁!用户已登录。
}否则{
//注册失败。请查看ParseException以查看发生了什么。
}
}
});
返回x;
}
@凌驾
恢复时公开作废(){
super.onResume();
//雷西比尔逻辑酒店
final ProgressDialog dialogoProgreso=新建ProgressDialog(getContext());
dialogoProgreso.setTitle(“Cargando”);
dialogoProgreso.setMessage(“Buscando Pedidos”);
dialogoProgreso.setCancelable(假);
dialogoProgreso.show();
r=新的可运行(){
公开募捐{
后延迟处理程序(r,10000);
//的士旅馆
ParseQuery=ParseQuery.getQuery(“Pedido”);
查询:whereEqualTo(“chofer”,mChoferActual);
query.addDowningOrder(“createdAt”);
findInBackground(新的FindCallback(){
公共作废完成(列表pedido,com.parse.parsee){
如果(e==null){
如果(pedido.size()==0){
dialogoProgreso.cancel();
Toast.makeText(getContext(),“prueba”,Toast.LENGTH_LONG.show();
}否则{
dialogoProgreso.cancel();
mPedido=pedido;
String[]nombreUsuarios=新字符串[mPedido.size()];
int i=0;
for(ParseObject-pedidos:mPedido){
nombreUsuarios[i]=pedidos.getString(“客户”);
i++;
}
adadador=新的adadadosListViewChofer(getListView().getContext(),mPedido);
setListAdapter(Adapter);
}
}否则{
}
}
});
}
};
r、 run();
单击Pedido();
}
//出租车司机
公开作废ClickPedido(){
mLista.setOnItemClickListener(新的AdapterView.OnItemClickListener(){
@凌驾
public void onItemClick(AdapterView父对象、视图、最终整型位置、长id){
最后一个字符串clienteselectionado=mPedido.get(position.get(“cliente”).toString();
AlertDialog.Builder=新建AlertDialog.Builder(getContext());
建造商名称(“Confirmation de pedido”)
.setMessage(“客户服务中心+客户服务中心”)
.setPositiveButton(“确定”,
新建DialogInterface.OnClickListener(){
@凌驾
public void onClick(DialogInterface dialog,int which){
适配器拆卸(mPedido.get(位置));
adaptador.notifyDataSetChanged();
ParseQuery query2=ParseQuery.getQuery(“Pedido”);
问题2.whereEqualTo(“客户”,客户本人);
query2.getFirstInBackground(新的GetCallback(){
公共void完成(ParseObject chofer,parsee异常){
public class DrawerPrincipal extends AppCompatActivity
implements NavigationView.OnNavigationItemSelectedListener,FragmentoPrincipalUsuario.OnFragmentInteractionListener {
private ParseFile mPrueba;
private Uri url;
private ImageView imagen;
private DrawerLayout mDrawerLayout;
private String mUsuarioActual;
public static final int CHOOSE_PIC_REQUEST_CODE = 1;
private Uri mMediaUri;
private ImageView mImagenPrevia;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_drawer_principal);
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
SharedPreferences pref = getApplicationContext().getSharedPreferences("login", 0);
mUsuarioActual= pref.getString("usuario","");
DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(
this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close);
drawer.setDrawerListener(toggle);
toggle.syncState();
NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
navigationView.setNavigationItemSelectedListener(this);
View hView = navigationView.inflateHeaderView(R.layout.nav_header_drawer_principal);
final ImageView imgvw = (ImageView)hView.findViewById(R.id.imagenPerfil);
final TextView tv = (TextView)hView.findViewById(R.id.nombreUsuarioV);
//Picasso.with(getBaseContext()).load(url.toString()).into(imgvw);
tv.setText("new text");
ParseQuery<ParseUser> query3 = ParseUser.getQuery();
query3.whereEqualTo("username",mUsuarioActual);
query3.findInBackground(new FindCallback<ParseUser>() {
public void done(List<ParseUser> usuario, ParseException e) {
if (e == null) {
mPrueba = usuario.get(0).getParseFile("foto");
tv.setText(usuario.get(0).getUsername().toString());
url = Uri.parse(mPrueba.getUrl());
Picasso.with(getBaseContext()).load(url.toString()).transform(new RoundedTransformation(300, 4)).into(imgvw);
if (usuario.get(0).get("tipoUsuario").toString().equals("pasajero")) {
Fragment fragmento;
fragmento = new FragmentoPrincipalUsuario();
getSupportFragmentManager().beginTransaction()
.replace(R.id.content_main, fragmento)
.commit();
}else {
Fragment fragmento;
fragmento = new FragmentoPrincipalChofer();
getSupportFragmentManager().beginTransaction()
.replace(R.id.content_main, fragmento)
.commit();
}
} else {
// Something went wrong.
}
}
});
}
@Override
public void onBackPressed() {
DrawerLayout layout = (DrawerLayout)findViewById(R.id.drawer_layout);
if (layout.isDrawerOpen(GravityCompat.START)) {
layout.closeDrawer(GravityCompat.START);
} else {
super.onBackPressed();
}
/*
if(getSupportFragmentManager().getBackStackEntryCount()!=0) {
getSupportFragmentManager().popBackStack();
}else{
super.onBackPressed();
}*/
}
/*
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.pantalla_principal_usuario, 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);
}
*/
@SuppressWarnings("StatementWithEmptyBody")
@Override
public boolean onNavigationItemSelected(MenuItem item) {
// Handle navigation view item clicks here.
int id = item.getItemId();
if (id == R.id.cuenta) {
Fragment fragmento;
fragmento = new OpcionDrawerUsuario();
getSupportFragmentManager().beginTransaction()
.replace(R.id.content_main, fragmento)
.addToBackStack(null)
.commit();
} else if (id == R.id.historial_viajes) {
Fragment fragmento;
fragmento = new FragmentoViajesAcumulados();
getSupportFragmentManager().beginTransaction()
.replace(R.id.content_main, fragmento)
.addToBackStack(null)
.commit();
} else if (id == R.id.contacto) {
String emailAdress[] = {"gastondelacruz@gmail.com"};
Intent email= new Intent(Intent.ACTION_SEND);
email.putExtra(Intent.EXTRA_EMAIL,emailAdress);
email.putExtra(Intent.EXTRA_SUBJECT,"Pon aqui el motivo de tu mail");
email.setType("text/plain");
email.putExtra(Intent.EXTRA_TEXT,"Su mensaje");
startActivity(email);
} else if (id == R.id.compartir) {
String texto="https://www.google.com.ar/?gfe_rd=cr&ei=9JuBVvmcGanX8gejsK_4CA&gws_rd=ssl";
Intent intento= new Intent();
intento.setAction(Intent.ACTION_SEND);
intento.putExtra(Intent.EXTRA_TEXT, texto);
intento.setType("text/plain");
startActivity(intento);
} else if (id == R.id.version) {
String prueba="aceptar";
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle("prueba") //
.setMessage("Esta es una prueba todavia no poseo el numero de version del producto") //
.setPositiveButton(prueba, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
// TODO
dialog.dismiss();
}
}); //
builder.show();
} else if (id == R.id.salir) {
AlertDialog.Builder builder = new AlertDialog.Builder(DrawerPrincipal.this);
builder.setTitle("Cerrar Sesion")
.setMessage("Esta seguro que desea cerrar sesion actual?")
.setPositiveButton("OK",
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
ParseUser.logOut();
Intent intento = new Intent(getApplicationContext(), ActividadLogin.class);
intento.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
intento.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK);
startActivity(intento);
finish();
}
}
)
.setNegativeButton("CANCELAR",
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog,
int which) {
}
}
);
builder.show();
}
DrawerLayout mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);mDrawerLayout.closeDrawer(GravityCompat.START);
return true;
}
}