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POtextChangedMethod for Multiple EditText boxes
 

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    <p>Hi All I have followed the following example <a href="http://www.google.com/codesearch#search/&amp;q=NumberFormattingTextWatcher&amp;exact_package=android&amp;type=cs" rel="nofollow">http://www.google.com/codesearch#search/&amp;q=NumberFormattingTextWatcher&amp;exact_package=android&amp;type=cs</a> </p> <p>I have CurrencyTextWatcher as a seperate class. I need this as I will be applying to several pages. I can't figure out why, but if I use <strong>setContentView(text)</strong> it will work as only 1 big text box, then I can't see the rest of my xml .<br> If I use <strong>setContentView(R.layout.main);</strong> my xml works properly except for the TextWatcher wont fire for my <strong>txta EditText box</strong> </p> <p>Java</p> <pre><code>public class CalcTestActivity extends Activity { private EditText txta; private TextView txtb; private TextView txtc; private EditText text; private double a = 0; private double b = 0; private double c = 0; private Button buttonCalc; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); initControls(); text = new EditText(this); text.addTextChangedListener(new CurrencyTextWatcher()); //setContentView(text); } private String FormatValue(double value) { NumberFormat nf = NumberFormat.getInstance(); return "$ "+ nf.format(value); } private void initControls() { txta = (EditText)findViewById(R.id.txta); txtb = (TextView)findViewById(R.id.txtb); txtc = (TextView)findViewById(R.id.txtc); buttonCalc = (Button)findViewById(R.id.buttonCalc); buttonCalc.setOnClickListener(new Button.OnClickListener() { public void onClick(View v) {calculate(); } private void calculate() { a=Double.parseDouble(txta.getText().toString()); b=Math.round(a*.88); txtb.setText(FormatValue(b)); c=Math.round((a*.87)-(b*.28)); txtc.setText(FormatValue(c)); } }); } } </code></pre> <p>CurrencyTextWatcher Class</p> <pre><code>public class CurrencyTextWatcher implements TextWatcher { boolean mEditing; public CurrencyTextWatcher() { mEditing = false; } public void afterTextChanged(Editable s) { // TODO Auto-generated method stub if(!mEditing) { mEditing = true; String digits = s.toString().replaceAll("\\D", ""); NumberFormat nf = NumberFormat.getCurrencyInstance(); try{ String formatted = nf.format(Double.parseDouble(digits)/100); s.replace(0, s.length(), formatted); } catch (NumberFormatException nfe) { s.clear(); } mEditing = false; } } public void beforeTextChanged(CharSequence s, int start, int count, int after) { // TODO Auto-generated method stub } public void onTextChanged(CharSequence s, int start, int before, int count) { // TODO Auto-generated method stub } </code></pre> <p>}</p> <p>XML</p> <pre><code>&lt;TextView android:id="@+id/textView1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Number1" android:textAppearance="?android:attr/textAppearanceMedium" /&gt; &lt;EditText android:id="@+id/txta" android:layout_width="match_parent" android:layout_height="wrap_content" android:numeric="integer"/&gt; &lt;TextView android:id="@+id/textView2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Number2" android:textAppearance="?android:attr/textAppearanceMedium" /&gt; &lt;TextView android:id="@+id/txtb" android:layout_width="match_parent" android:layout_height="wrap_content" /&gt; &lt;TextView android:id="@+id/textView3" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Your Answer is" android:textAppearance="?android:attr/textAppearanceMedium" /&gt; &lt;TextView android:id="@+id/txtc" android:layout_width="wrap_content" android:layout_height="wrap_content" android:hint="0" /&gt; &lt;Button android:id="@+id/buttonCalc" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Calculate" /&gt; &lt;/LinearLayout&gt; </code></pre>
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    1. USCalvin
    1. USCalvin
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      1. VTUpMod
    1. COThe code you have provided here is fine. But it would be still fine if u could elaborate more on your problem, its not clear
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      1. USamandroid
    2. COI am not sure how to get txta to use the currencytxtwatcher, if i put a content view text in it works but everything else is blocked out.
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      1. USCalvin
    3. COUpdated the original Question so it was more clear on what i think is the issue.
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      1. POtextChangedMethod for Multiple EditText boxes
      1. USCalvin
 

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