activity_main.xml
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:id="@+id/rl" android:layout_width="match_parent" android:layout_height="match_parent" android:padding="10dp" tools:context=".MainActivity" android:background="#c4c6ba" > <!-- No background color defined --> <ImageButton android:id="@+id/ib" android:layout_width="wrap_content" android:layout_height="wrap_content" android:src="@drawable/transparent_image_button" /> <!-- ImageButton background color orange by XML--> <ImageButton android:id="@+id/ib2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:src="@drawable/transparent_image_button" android:background="#ffa62b" android:layout_below="@id/ib" /> <!-- ImageButton background color blue programmatically --> <ImageButton android:id="@+id/ib3" android:layout_width="wrap_content" android:layout_height="wrap_content" android:src="@drawable/transparent_image_button" android:layout_toRightOf="@id/ib" /> </RelativeLayout>
MainActivity.java
package com.cfsuman.me.androidcodesnippets; import android.graphics.Color; import android.os.Bundle; import android.app.Activity; import android.widget.ImageButton; import android.widget.RelativeLayout; public class MainActivity extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); // Get the widgets reference from XML layout tamat RelativeLayout rl = (RelativeLayout) findViewById(R.id.rl); ImageButton ib = (ImageButton) findViewById(R.id.ib); ImageButton ib2 = (ImageButton) findViewById(R.id.ib2); ImageButton ib3 = (ImageButton) findViewById(R.id.ib3); // Set the third image button background color ib3.setBackgroundColor(Color.parseColor("#666bff")); } }
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