Posts by use3265498465 • 95 points
7 posts
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answer178
viewsQ: Error picking up Radiogroup Android Id
I’m having trouble getting the Radio Group ID. Can someone explain to me how it works? public class MainActivity extends AppCompatActivity { private static String TAG = "livro"; private ToggleButton…
androidasked use3265498465 95 -
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answer25
viewsQ: How is it possible to declare an object without first instantiating it?
I came across a question in android programming, when we declare the views in the java class, as in the example: (Textview txt = (Textview) findViewById (R.id.txt), this View is being used by the…
androidasked use3265498465 95 -
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votes1
answer372
viewsQ: Syntax error when using Sqlite android "DROP TABLE IF EXISTS"
package com.example.wesley.bancodedadossqlite; import android.database.sqlite.SQLiteDatabase; import android.database.sqlite.SQLiteOpenHelper; /** * Created by Wesley on 17/01/2018. */ public class…
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answer200
viewsQ: Life Cycle of an Activity. Doubts
The methods that make up the life cycle of an Activity (onCreate, onStart, onResume, onPause, onStop and onDestroy), except the onCreate method that is already inserted at the beginning of the…
androidasked use3265498465 95 -
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answers327
viewsQ: After all, is Java a platform or a programming language?
I see various materials referring to Java as a technology (platform) and others as a programming language.
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answers48
viewsQ: Improper space in the layout! how to solve?
Appeared an improper space in the android project... How can I solve? <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools"…
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answers1436
viewsQ: How to center layout
I want to center this panel, even when the screen is maximized, I want it to stay centered. Not as it is.…