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How to create background for LinearLayout as shown in the image below

Create a RelativeLayout with a background of the yellow color and add the circle image on top. This is a far more dynamic solution than using a single image as the RelativeLayout will change size depending on screen size/orientation and not affect the sizing of the circle <RelativeLayout xmlns:android=”http://schemas.android.com/apk/res/android” android:layout_width=”fill_parent” android:layout_height=”fill_parent” android:background=”#ffc20e”> <ImageView android:layout_width=”wrap_content” android:layout_height=”wrap_content” … Read more

Unreachable statement for if statement [closed]

You are returning from the method/function even before the comparison is happening. Check line number 3 return super.onCreateDialog(paramInt);

Android MyFirstApp – Unfortunately application stopped working

I looked at the link you pasted here and I think this should solve your problem: in your activity_display_message.xml you have to add the following code android:id=”@+id/activity_display_message

No response from jsonArray request [closed]

1. Initialize your adapter and set it to RecyclerView from onCreate() method. @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); //Initializing Views recyclerView = (RecyclerView) findViewById(R.id.recyclerView); recyclerView.setHasFixedSize(true); layoutManager = new LinearLayoutManager(this); recyclerView.setLayoutManager(layoutManager); listcollege = new ArrayList<>(); adapter = new CardAdapter(this, listcollege); recyclerView.setAdapter(adapter); getData(); } 2. Instead of JsonArrayRequest, try using JsonObjectRequest: //Creating a json object … Read more

how to add my button in reference in java?

findViewById MUST be called after you call setContentView. what’s more, R.java is not user editable, it’s automatically generated by android compiler based on your resource files. you should define android:id=”@+id/btnsub” in your layout xml.

Extracting only digits from a String [closed]

Like sadegh points out, use Regular expressions: String myString =”2 fishes 3″ myString = myString .replaceAll(“\\D+”,””); the result of myString is only the digits. check the running example here: http://ideone.com/Xg4xFc

How to save the button that has been added dynamically in Android?

When you create a button keep the flag of it and when you reopen your app just check that flag. If it matches your condition create a button which you want.