android - Get TextView number of lines

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="#c3d1c9"     >     <TextView         android:id="@+id/tv"         android:layout_width="wrap_content"         android:layout_height="wrap_content"         android:textSize="18dp"         android:layout_margin="5dp"         android:padding="5dp"         android:fontFamily="sans-serif-condensed"         android:textColor="#1d63bf"         android:background="#f8fcfd"         android:text="This is a sample TextView to test line counter"         />     <TextView         android:id="@+id/tv_second"         android:layout_width="200dp"         android:layout_height="wrap_content"         android:textSize="18dp"         android:layout_margin="5dp"         android:padding="5dp"         android:fontFamily="sans-serif-condensed"         android:textColor="#b61a77"         android:background="#ffc8f8"         android:layout_below="@id/tv"         android:text="This is a sample TextView to test line counter"         />     <Button         android:id="@+id/btn"         android:layout_width="wrap_content"         android:layout_height="wrap_content"         android:text="Get TextView Line Numbers"         android:layout_below="@id/tv_second"         /> </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; import android.widget.Toast;   public class MainActivity extends AppCompatActivity {      private Context mContext;     private Activity mActivity;      private RelativeLayout mRelativeLayout;     private TextView mTextView;     private TextView mTextViewSecond;     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);         mTextViewSecond = (TextView) findViewById(R.id.tv_second);         mButton = (Button) findViewById(R.id.btn);          // Set a click listener for button         mButton.setOnClickListener(new View.OnClickListener() {             @Override             public void onClick(View view) {                 /*                     public int getLineCount ()                         Return the number of lines of text, or 0 if the internal Layout                         has not been built.                      Returns                         int                 */                 // Get the first TextView Line numbers                 int lines = mTextView.getLineCount();                  // Count second TextView number of lines                 int moreLines = mTextViewSecond.getLineCount();                  // Display the number of lines                 Toast.makeText(mContext,                         "First TextView: " + lines + "\nSecond TextView : " + moreLines,                         Toast.LENGTH_SHORT)                         .show();              }         });      } }