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我有一個ListView，目前僅顯示mapName，但我想將其他Firebase值發送到適配器。將Firebase兒童添加到Android中的ListView中
其他值在這裏：
String mapStartLat = person.getStartLat();
String mapStartLong = person.getStartLong();
String mapEndLat = person.getEndLat();
String mapEndLong = person.getEndLong();
我該怎麼辦呢？代碼如下：
MainActivity
package uk.co.jaunt_app.jaunt;
import android.content.Intent;
import android.os.Bundle;
import android.support.design.widget.FloatingActionButton;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
import com.crashlytics.android.answers.Answers;
import com.crashlytics.android.answers.CustomEvent;
import com.firebase.client.DataSnapshot;
import com.firebase.client.Firebase;
import com.firebase.client.FirebaseError;
import com.firebase.client.ValueEventListener;
import com.google.firebase.auth.FirebaseAuth;
import com.google.firebase.auth.FirebaseUser;
import static uk.co.jaunt_app.jaunt.R.id.Posts;
public class MainActivity extends AppCompatActivity{
private FloatingActionButton addmap;
private Button settingbtn;
private TextView mNameTextView;
private TextView mEmailTextView;
ListView mPosts;
ArrayAdapter<String> adapter;
private FirebaseAuth auth;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
getSupportActionBar().setDisplayShowHomeEnabled(true);
getSupportActionBar().setLogo(R.drawable.jauntlogodark);
getSupportActionBar().setDisplayUseLogoEnabled(true);
setContentView(R.layout.activity_main);
adapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1);
Firebase.setAndroidContext(this);
Firebase ref = new Firebase(Config.FIREBASE_URL);
FirebaseUser currentFirebaseUser = FirebaseAuth.getInstance().getCurrentUser();
String uid = currentFirebaseUser.getUid();
Firebase usersRef = ref.child("Users").child(uid).child("name");
Firebase emailRef = ref.child("Users").child(uid).child("email");
Firebase postRef = ref.child("Users").child(uid).child("Maps");
mPosts = (ListView) findViewById(Posts);
mPosts.setAdapter(adapter);
postRef.addValueEventListener(new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot snapshot) {
for (final DataSnapshot postSnapshot : snapshot.getChildren()) {
//Getting the data from snapshot
Person person = postSnapshot.getValue(Person.class);
String mapName = person.getMapName();
String mapStartLat = person.getStartLat();
String mapStartLong = person.getStartLong();
String mapEndLat = person.getEndLat();
String mapEndLong = person.getEndLong();
adapter.add(mapName);
Intent intent = new Intent(MainActivity.this, ViewUserMapActivity.class);
intent.putExtra("mapName", mapName.toString());
startActivity(intent);
}
}
@Override
public void onCancelled(FirebaseError firebaseError) {
Toast.makeText(getApplicationContext(),
"Cancelled", Toast.LENGTH_LONG)
.show();
}
});
mPosts.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
}
});
mNameTextView = (TextView) findViewById(R.id.NameTextView);
usersRef.addValueEventListener(new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot dataSnapshot) {
String name = dataSnapshot.getValue(String.class);
mNameTextView.setText(name);
}
@Override
public void onCancelled(FirebaseError firebaseError) {
}
});
mEmailTextView = (TextView) findViewById(R.id.EmailTextView);
emailRef.addValueEventListener(new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot dataSnapshot) {
String email = dataSnapshot.getValue(String.class);
mEmailTextView.setText(email);
}
@Override
public void onCancelled(FirebaseError firebaseError) {
}
});
addmap = (FloatingActionButton) findViewById(R.id.add_map);
addmap.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Answers.getInstance().logCustom(new CustomEvent("Added Map"));
Intent intent = new Intent(MainActivity.this, MapStartActivity.class);
startActivity(intent);
}
});
settingbtn = (Button) findViewById(R.id.settingbtn);
settingbtn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent(MainActivity.this, SettingsActivity.class);
startActivity(intent);
}
});
}
}