None, it really depends on what you want to do. how to manage components width and height and its position on different screen resolution. That one is easy. You’d do it the exact same way you’d manage XML layouts. In any case, you really need to do some basic reading on Android. That question is … Read more
You must must use orderedByChild by the key of the date you’d like to order the children by. You can then observe the Value or ChildAdded event type of this query to retrieve the children in ascending order of date. To have the most recent first, you must reverse the objects manually client-side. Otherwise, you … Read more
Your code looks right, I think. Maybe you could try the following: String btn12 = button1Text + button2Text; if(btn12.equals(button3Text)) { return true; } For debug purposes you could log buttonText1, buttonText2, buttonText3 and the concat string btn12. Do they really have the same content? Update: Ahh okay the strings contains numbers and you want to … Read more
I’d suggest using a UI that says loading.., and may be you want to use an AsyncTask or some background threads to load the things and then update the UI and say you’re ready. solved How to start an Android Application without loading Activities immediately? [closed]
How about a DatePicker with the mindate and the maxDate set to the specific month you want? I guess alternatively you could also hide the year Spinner. solved How to pick repeatable date in Android? [closed]
First of all initiate the database instance FirebaseDatabase firebaseDatabase = FirebaseDatabase.getInstance(); get the reference of your DB where you want to perform the operation DatabaseReference dbRef = firebaseDatabase.getReference(NAME_OF_DATABASE); then use this to get all the user with the name equal to the editText text Query query = profileDbRef .orderByChild(“name”) .equalTo(edittext.getText().toString()); query.addValueEventListener(new ValueEventListener() { @Override public … Read more
You should change this: @Override public Object getItem(int position) { return position; } @Override public long getItemId(int position) { return position; } solved Simple Displaying a list of Items Parsed from JSON [closed]
If you want a reference to your button globally then you should declare it outside then initialize it in onCreate Button b1; //declare the button variable public class SharedPreferencesActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_shared_preferences); b1 = (Button) findViewById(R.id.buttonSave); //initialize on creation } You should read more into the basics … Read more
Wel come to Stackoverflow. Its not Dialog. its Activity as a dialog public class diaActivity extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub requestWindowFeature(Window.FEATURE_NO_TITLE); super.onCreate(savedInstanceState); setContentView(R.layout.test_dialog); } } test_dialog.xml <LinearLayout xmlns:android=”http://schemas.android.com/apk/res/android” android:layout_width=”fill_parent” android:layout_height=”fill_parent” android:background=”#FFFFFF” android:orientation=”vertical” > <LinearLayout android:layout_width=”match_parent” android:layout_height=”42dp” android:orientation=”horizontal” android:weightSum=”3″ > <Button android:id=”@+id/button1″ android:layout_width=”0dp” android:layout_height=”wrap_content” android:layout_weight=”1″ android:text=”Cancle” /> … Read more
Caused by: java.lang.NoSuchMethodException: <init> [class android.content.Context, interface android.util.AttributeSet] 01-19 10:43:19.400: E/AndroidRuntime(1482): at java.lang.Class.getConstructorOrMethod(Class.java:472) You are not providing all of the constructors required for a custom view. Specifically, add this constructor. Read the documentation and tutorials for how to use the attribute set: public JustifiedTextView(Context context, AttributeSet attrs){ super(context, attrs); this.setWebChromeClient(new WebChromeClient() { }); } 2 … Read more
Looks like you forgot an else statement and I modified your intent a little: if (!file.exists()) { Toast.makeText(MyActivity.this, ” the file not found”,Toast.LENGTH_LONG).show(); } else { Intent intent = new Intent(MyActivity.this,BooksActivity.class ); startActivity(intent); } 3 solved How to run my Intent if file exists [closed]
Check your SportsCaloriesAdapter class. You must implement in it a constructor with Context and List as parameters. 1 solved Why do I get this error with setAdapter()?
@Haresh Chhelana example is good, However if you want to show both name and code in spinner after selecting, check this out. List<Map<String, String>> items = new ArrayList<Map<String, String>>(); for (int i = 0; i < JA.length(); i++) { json = JA.getJSONObject(i); mapData = new HashMap<String, String>(); mapData.put(“name”, json.getString(“Name”)); mapData.put(“code”, json.getString(“Code”)); items.add(mapData); } SimpleAdapter adapter … Read more
ActivityNotFoundException: Unable to find explicit activity class {co.edu.unimagdalena.projecto/co.edu.unimagdalena.projecto.informacion2} solved ActivityNotFoundException: Unable to find explicit activity class {co.edu.unimagdalena.projecto/co.edu.unimagdalena.projecto.informacion2}
install this librery npm i react-native-drop-shadow import this line import DropShadow from “react-native-drop-shadow”; use this view ginv to shasow <DropShadow style={{ shadowColor: “#000”, shadowOffset: { width: 0, height: 0, }, shadowOpacity: 1, shadowRadius: 5, }} > —– Your Contain ————– </DropShadow> solved card view shadow effect only top side react native [closed]