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disabled the positive button instead of toast
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skunkworks_crow/src/main/java/org/odk/share/views/ui/settings/CustomEditTextPreference.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,73 @@ | ||
| package org.odk.share.views.ui.settings; | ||
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| import android.app.AlertDialog; | ||
| import android.app.Dialog; | ||
| import android.content.Context; | ||
| import android.content.DialogInterface; | ||
| import android.os.Bundle; | ||
| import android.preference.EditTextPreference; | ||
| import android.text.Editable; | ||
| import android.text.TextWatcher; | ||
| import android.util.AttributeSet; | ||
| import android.widget.Button; | ||
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| /** | ||
| * @author by Chromicle ([email protected]) | ||
| * @since 1/30/2020 | ||
| */ | ||
| public class CustomEditTextPreference extends EditTextPreference implements DialogInterface.OnClickListener { | ||
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| private EditTextWatcher editTextWatcher = new EditTextWatcher(); | ||
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| public CustomEditTextPreference(Context ctx, AttributeSet attrs, int defStyle) { | ||
| super(ctx, attrs, defStyle); | ||
| } | ||
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| public CustomEditTextPreference(Context ctx, AttributeSet attrs) { | ||
| super(ctx, attrs); | ||
| } | ||
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| /** | ||
| * Return true in order to enable positive button or false to disable it. | ||
| */ | ||
| private boolean onCheckValue(String value) { | ||
| return !value.trim().equals(""); | ||
| } | ||
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| private void onEditTextChanged() { | ||
| boolean enable = onCheckValue(getEditText().getText().toString()); | ||
| Dialog dlg = getDialog(); | ||
| if (dlg instanceof AlertDialog) { | ||
| AlertDialog alertDlg = (AlertDialog) dlg; | ||
| Button possitiveButton = alertDlg.getButton(AlertDialog.BUTTON_POSITIVE); | ||
| possitiveButton.setEnabled(enable); | ||
| } | ||
| } | ||
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| @Override | ||
| protected void showDialog(Bundle state) { | ||
| super.showDialog(state); | ||
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| getEditText().removeTextChangedListener(editTextWatcher); | ||
| getEditText().addTextChangedListener(editTextWatcher); | ||
| onEditTextChanged(); | ||
| } | ||
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| private class EditTextWatcher implements TextWatcher { | ||
| @Override | ||
| public void onTextChanged(CharSequence s, int start, int before, int count) { | ||
| onEditTextChanged(); | ||
| } | ||
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| @Override | ||
| public void beforeTextChanged(CharSequence s, int start, int before, int count) { | ||
| } | ||
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| @Override | ||
| public void afterTextChanged(Editable s) { | ||
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| } | ||
| } | ||
| } |
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