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POHow to change text in an EditText before and after typing
 

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  1. POHow to change text in an EditText before and after typing
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    <p>I have an EditText that by default has this string in it "[ ]". What I want is that when the user selects the EditText the brackets and space all disappear. Then after they are done editing I would like to place the brackets around their edit.</p> <p>So, for example, if they typed "123" then when they are done typing the EditText will show "[123]".</p> <p>I tried following the answer here, <a href="https://stackoverflow.com/questions/7435661/edittext-not-updated-after-text-changed-in-the-textwatcher">EditText not updated after text changed in the TextWatcher</a>, by doing setText on the EditText from the afterTextChanged, but that throws an error.</p> <p>Thanks for any help.</p> <p>Here's my code: I just added the xml that creates the first line of the program since that's the line I'm having problems with.</p> <p>activity_main.xml</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" &gt; &lt;!-- Top Information --&gt; &lt;LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="horizontal" &gt; &lt;LinearLayout android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight=".70" android:orientation="vertical" &gt; &lt;LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="horizontal" &gt; &lt;EditText android:id="@+id/main_character_name_edit" android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight=".25" android:hint="@string/main_character_name_edit_hint" /&gt; &lt;EditText android:id="@+id/main_player_name_edit" android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight=".25" android:hint="@string/main_player_name_edit_hint" /&gt; &lt;TextView android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight=".05" android:gravity="right" android:paddingRight="7dp" android:text="@string/main_tl_view" /&gt; &lt;EditText android:id="@+id/main_tl_edit" android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight=".10" android:gravity="center_horizontal" android:inputType="number" /&gt; &lt;EditText android:id="@+id/main_tl_cost_edit" android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight=".05" android:gravity="center_horizontal" android:inputType="numberSigned" android:text="@string/cost_edit" /&gt; &lt;/LinearLayout&gt; &lt;EditText android:id="@+id/main_character_description_edit" android:layout_width="match_parent" android:layout_height="wrap_content" android:gravity="top|left" android:hint="@string/main_character_description_edit" android:lines="2" android:maxLines="10" android:minLines="2" android:scrollbars="vertical" /&gt; &lt;/LinearLayout&gt; &lt;!-- Points Box --&gt; &lt;LinearLayout android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight=".30" android:background="@drawable/border" android:orientation="vertical" android:padding="10dp" &gt; &lt;TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_gravity="center_horizontal" android:text="@string/main_points_view" /&gt; &lt;LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="horizontal" &gt; &lt;TextView android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight=".25" android:text="@string/main_points_total_view" /&gt; &lt;EditText android:id="@+id/main_points_total_edit" android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight=".75" android:gravity="center_horizontal" android:inputType="number" /&gt; &lt;/LinearLayout&gt; &lt;LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="horizontal" &gt; &lt;TextView android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight=".25" android:text="@string/main_points_unspent_view" /&gt; &lt;EditText android:id="@+id/main_points_unspent_edit" android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight=".75" android:gravity="center_horizontal" android:inputType="number" /&gt; &lt;/LinearLayout&gt; &lt;/LinearLayout&gt; &lt;/LinearLayout&gt; &lt;/LinearLayout&gt; </code></pre> <p>MainActivity.java</p> <pre><code>package com.gmail.james.grider.gurpscharactersheet; import android.app.Activity; import android.content.Intent; import android.os.Bundle; import android.text.Editable; import android.text.TextWatcher; import android.view.LayoutInflater; import android.view.Menu; import android.view.MenuItem; import android.widget.ArrayAdapter; import android.widget.EditText; import android.widget.Spinner; import android.widget.TableLayout; import android.widget.TableRow; public class MainActivity extends Activity { /* -- Top Info -- */ private EditText mMainCharacterEdit, mMainPlayerEdit, mMainTlEdit, mMainTlCostEdit, mMainDescriptionEdit; /* -- Points Box -- */ private EditText mMainPointsTotalEdit, mMainPointsUnspentEdit; /* -- Stats Derived Box -- */ private EditText mMainFirstStatsDerivedHpTotalEdit, mMainFirstStatsDerivedHpCostEdit, mMainFirstStatsDerivedHpCurrentEdit, mMainFirstStatsDerivedFpTotalEdit, mMainFirstStatsDerivedFpCostEdit, mMainFirstStatsDerivedFpCurrentEdit, mMainFirstStatsDerivedWillEdit, mMainFirstStatsDerivedWillCostEdit, mMainFirstStatsDerivedPerEdit, mMainFirstStatsDerivedPerCostEdit; /* -- Stats Boxes -- */ private EditText mMainSecondStStEdit, mMainSecondStCostEdit, mMainSecondStLastSkillEdit, mMainSecondStLastLvlEdit, mMainSecondStLastRelEdit, mMainSecondStLastCostEdit; private TableLayout mStatStSkillTable; private EditText mMainSecondDxDxEdit, mMainSecondDxCostEdit, mMainSecondDxLastSkillEdit, mMainSecondDxLastLvlEdit, mMainSecondDxLastRelEdit, mMainSecondDxLastCostEdit; private TableLayout mStatDxSkillTable; private EditText mMainSecondIqIqEdit, mMainSecondIqCostEdit, mMainSecondIqLastSkillEdit, mMainSecondIqLastLvlEdit, mMainSecondIqLastRelEdit, mMainSecondIqLastCostEdit; private TableLayout mStatIqSkillTable; private EditText mMainSecondHtHtEdit, mMainSecondHtCostEdit, mMainSecondHtLastSkillEdit, mMainSecondHtLastLvlEdit, mMainSecondHtLastRelEdit, mMainSecondHtLastCostEdit; private TableLayout mStatHtSkillTable; /* -- Secondary Stats Box -- */ private EditText mMainThirdSecondaryLiftEdit, mMainThirdSecondarySpeedEdit, mMainThirdSecondarySpeedCostEdit, mMainThirdSecondaryBasicMoveEdit, mMainThirdSecondaryBasicMoveCostEdit, mMainThirdSecondaryMoveEdit; private Spinner mMainThirdSecondaryDamageThrustSpinner, mMainThirdSecondaryDamageSwingSpinner, mMainThirdSecondaryEncumbranceSpinner; /* -- Defense Box -- */ private EditText mMainFourthDefenseDamageReductionEdit, mMainFourthDefenseDodgeEdit, mMainFourthDefenseParryEdit, mMainFourthDefenseBlockEdit; private void updateSkillRow(int stat, boolean action) { TableRow row; if (action) { switch (stat) { case Info.ST: row = (TableRow) mStatStSkillTable.getChildAt(mStatStSkillTable .getChildCount() - 1); mMainSecondStLastSkillEdit = (EditText) row.getChildAt(0); mMainSecondStLastLvlEdit = (EditText) row.getChildAt(1); mMainSecondStLastRelEdit = (EditText) row.getChildAt(2); mMainSecondStLastCostEdit = (EditText) row.getChildAt(3); break; case Info.DX: break; case Info.IQ: break; case Info.HT: } } } private void addSkillRow(int stat) { int skillCount; LayoutInflater inflater = LayoutInflater.from(MainActivity.this); TableRow row = (TableRow) inflater.inflate( R.layout.activity_main_skill_row, null); switch (stat) { case Info.ST: skillCount = mStatStSkillTable.getChildCount(); if (skillCount &gt; 0) mStatStSkillTable.addView(row, skillCount - 1); else mStatStSkillTable.addView(row); break; case Info.DX: skillCount = mStatDxSkillTable.getChildCount(); if (skillCount &gt; 0) mStatDxSkillTable.addView(row, skillCount - 1); else mStatDxSkillTable.addView(row); break; case Info.IQ: skillCount = mStatIqSkillTable.getChildCount(); if (skillCount &gt; 0) mStatIqSkillTable.addView(row, skillCount - 1); else mStatIqSkillTable.addView(row); break; case Info.HT: skillCount = mStatHtSkillTable.getChildCount(); if (skillCount &gt; 0) mStatHtSkillTable.addView(row, skillCount - 1); else mStatHtSkillTable.addView(row); } updateSkillRow(stat, Info.ADD); } @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); mMainTlCostEdit = (EditText) findViewById(R.id.main_tl_cost_edit); mMainTlCostEdit.addTextChangedListener(new TextWatcher() { @Override public void afterTextChanged(Editable s) { String text = mMainTlCostEdit.getText().toString(); text = "[" + text + "]"; mMainTlCostEdit.setText(text); } @Override public void beforeTextChanged(CharSequence s, int start, int count, int after) { } @Override public void onTextChanged(CharSequence s, int start, int before, int count) { // TODO Auto-generated method stub } }); // mMainTlCostEdit.setOnClickListener(new View.OnClickListener() { // // @Override // public void onClick(View v) { // String text = mMainTlCostEdit.getText().toString(); // text.replace("[", ""); // text.replace("]", ""); // mMainTlCostEdit.setText(text); // } // }); mStatStSkillTable = (TableLayout) findViewById(R.id.main_second_st_skills_tablelayout); addSkillRow(Info.ST); mMainSecondStLastSkillEdit.addTextChangedListener(new TextWatcher() { @Override public void afterTextChanged(Editable s) { // TODO Auto-generated method stub } @Override public void beforeTextChanged(CharSequence s, int start, int count, int after) { // TODO Auto-generated method stub } @Override public void onTextChanged(CharSequence s, int start, int before, int count) { String text = mMainSecondStLastSkillEdit.getText().toString(); if (text == "") { } else { addSkillRow(Info.ST); } } }); mStatDxSkillTable = (TableLayout) findViewById(R.id.main_second_dx_skills_tablelayout); mStatIqSkillTable = (TableLayout) findViewById(R.id.main_second_iq_skills_tablelayout); mStatHtSkillTable = (TableLayout) findViewById(R.id.main_second_ht_skills_tablelayout); addSkillRow(Info.DX); addSkillRow(Info.IQ); addSkillRow(Info.HT); ArrayAdapter&lt;CharSequence&gt; adapter = ArrayAdapter.createFromResource( this, R.array.damage_table_array, R.layout.my_spinner_item); adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); mMainThirdSecondaryDamageThrustSpinner = (Spinner) findViewById(R.id.main_third_secondary_damage_thrust_spinner); mMainThirdSecondaryDamageThrustSpinner.setAdapter(adapter); mMainThirdSecondaryDamageThrustSpinner.setSelection(4); mMainThirdSecondaryDamageSwingSpinner = (Spinner) findViewById(R.id.main_third_secondary_damage_swing_spinner); mMainThirdSecondaryDamageSwingSpinner.setAdapter(adapter); mMainThirdSecondaryDamageSwingSpinner.setSelection(6); mMainThirdSecondaryEncumbranceSpinner = (Spinner) findViewById(R.id.main_third_secondary_enchumbrance_spinner); adapter = ArrayAdapter.createFromResource(this, R.array.encumbrance_level_array, R.layout.my_spinner_item); adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); mMainThirdSecondaryEncumbranceSpinner.setAdapter(adapter); } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.main, menu); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case R.id.menu_item_extras: Intent extrasIntent = new Intent(MainActivity.this, ExtraActivity.class); startActivity(extrasIntent); return true; case R.id.menu_item_equipment: Intent equipmentIntent = new Intent(MainActivity.this, EquipmentActivity.class); startActivity(equipmentIntent); return true; case R.id.menu_item_items: Intent itemsIntent = new Intent(MainActivity.this, ItemActivity.class); startActivity(itemsIntent); return true; case R.id.menu_item_options: Intent optionsIntent = new Intent(MainActivity.this, OptionListActivity.class); startActivity(optionsIntent); return true; default: return super.onOptionsItemSelected(item); } } } </code></pre>
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