Implement TextWatcher to EditText

Implement TextWatcher to EditText - Hallo sahabat Teknologi Terbaru, Pada Artikel yang anda baca kali ini dengan judul Implement TextWatcher to EditText, kami telah mempersiapkan artikel ini dengan baik untuk anda baca dan ambil informasi didalamnya. mudah-mudahan isi postingan yang kami tulis ini dapat anda pahami. baiklah, selamat membaca.

Judul : Implement TextWatcher to EditText
link : Implement TextWatcher to EditText

Implement TextWatcher to EditText

This example implement TextWatcher, attach to EditText with addTextChangedListener(). Its methods will be called when the text is changed.

Implement TextWatcher to EditText

package com.example.androidedittext;

import android.os.Bundle;
import android.app.Activity;
import android.text.Editable;
import android.text.TextWatcher;
import android.widget.EditText;
import android.widget.TextView;

public class MainActivity extends Activity {
 
 TextView promptAfter, promptBefore, promptOn;

 @Override
 protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.activity_main);
  
  promptAfter = (TextView)findViewById(R.id.promptAfter);
  promptBefore = (TextView)findViewById(R.id.promptBefore);
  promptOn = (TextView)findViewById(R.id.promptOn);
  
  EditText input = (EditText)findViewById(R.id.input);
  input.addTextChangedListener(textWatcher);
 }

 TextWatcher textWatcher = new TextWatcher(){

  @Override
  public void afterTextChanged(Editable s) {
   promptAfter.setText(s.toString());
  }

  @Override
  public void beforeTextChanged(CharSequence s, 
    int start, int count, int after) {
   promptBefore.setText(s + "\n" + 
    start + " / " + count + " / " + after);
  }

  @Override
  public void onTextChanged(CharSequence s, 
    int start, int before, int count) {
   promptOn.setText(s + "\n" 
    + start + " / " + before + " / " + count);
  }
  
 };

}

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context=".MainActivity" >

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="android-coding.blogspot.com" />

    <EditText
        android:id="@+id/input"
     android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:textSize="28sp" />
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textStyle="italic"
        android:text="afterTextChanged(Editable s)" />
    <TextView
        android:id="@+id/promptAfter"
     android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:textStyle="bold" />
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textStyle="italic"
        android:text="beforeTextChanged(CharSequence s, int start, int count, int after)" />
    <TextView
        android:id="@+id/promptBefore"
     android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:textStyle="bold" />
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textStyle="italic"
        android:text="onTextChanged(CharSequence s, int start, int before, int count)" />
    <TextView
        android:id="@+id/promptOn"
     android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:textStyle="bold" />
 
</LinearLayout>

Demikianlah Artikel Implement TextWatcher to EditText

Sekianlah artikel Implement TextWatcher to EditText kali ini, mudah-mudahan bisa memberi manfaat untuk anda semua. baiklah, sampai jumpa di postingan artikel lainnya.

Tweet