android - Get absolute coordinates of a View

activity_main.xml

 <?xml version="1.0" encoding="utf-8"?> <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="16dp"     tools:context=".MainActivity"     android:background="#dde4dd"     >     <TextView         android:id="@+id/tv"         android:layout_width="wrap_content"         android:layout_height="wrap_content"         android:layout_centerInParent="true"         android:textSize="20sp"         android:gravity="center"         android:textColor="#000000"         android:textStyle="bold"         android:text="Click the button to get it location on screen."         android:padding="25dp"         />     <Button         android:id="@+id/btn"         android:layout_width="wrap_content"         android:layout_height="wrap_content"         android:layout_alignParentBottom="true"         android:layout_alignParentEnd="true"         android:layout_alignParentRight="true"         android:text="Get Button Location"         /> </RelativeLayout> 

MainActivity.java

 package com.cfsuman.me.androidcodesnippets;  import android.app.Activity; import android.content.Context; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.RelativeLayout; import android.widget.TextView;   public class MainActivity extends AppCompatActivity {      private Context mContext;     private Activity mActivity;      private RelativeLayout mRelativeLayout;     private TextView mTextView;     private Button mButton;       @Override     protected void onCreate(Bundle savedInstanceState) {         super.onCreate(savedInstanceState);         setContentView(R.layout.activity_main);          // Get the application context         mContext = getApplicationContext();          // Get the activity         mActivity = MainActivity.this;          // Get the widgets reference from XML layout         mRelativeLayout = (RelativeLayout) findViewById(R.id.rl);         mTextView = (TextView) findViewById(R.id.tv);         mButton = (Button) findViewById(R.id.btn);          // Set a click listener for the button widget         mButton.setOnClickListener(new View.OnClickListener() {             @Override             public void onClick(View view) {                 // Initialize a new integer array two hold the TextView x y position                 int[] location = new int[2];                  /*                     public void getLocationOnScreen (int[] location)                         Computes the coordinates of this view on the screen. The argument must                         be an array of two integers. After the method returns, the array                         contains the x and y location in that order.                      Parameters                         location int: an array of two integers in which to hold the coordinates                 */                 // Get the absolute coordinates of Button widget                 mButton.getLocationOnScreen(location);                  // Display the Button location to TextView                 mTextView.setText("Button location\nx = "+location[0]+"\ny = "+ location[1]);             }         });     } }