完整工程:http://download.csdn.net/detail/sweetloveft/9456531
package com.sweetlover.activity; import com.sweetlover.typeface.R; import android.app.Activity; import android.graphics.Color; import android.graphics.Typeface; import android.os.Bundle; import android.widget.EditText; import android.widget.RadioButton; import android.widget.RadioGroup; import android.widget.RadioGroup.OnCheckedChangeListener; import android.widget.TextView; import android.widget.Toast; public class MainActivity extends Activity { private EditText editText = null; private RadioGroup radioGroup = null; private RadioButton[] radioBtn = null; private TextView textView = null; @Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); editText = (EditText) findViewById(R.id.edittext1); radioGroup = (RadioGroup) findViewById(R.id.rg); radioBtn = new RadioButton[5]; radioBtn[0] = (RadioButton) findViewById(R.id.rb1); radioBtn[1] = (RadioButton) findViewById(R.id.rb2); radioBtn[2] = (RadioButton) findViewById(R.id.rb3); radioBtn[3] = (RadioButton) findViewById(R.id.rb4); radioBtn[4] = (RadioButton) findViewById(R.id.rb5); textView = (TextView) findViewById(R.id.textview); radioGroup.setOnCheckedChangeListener(new CheckChangedListener()); } class CheckChangedListener implements OnCheckedChangeListener { @Override public void onCheckedChanged(RadioGroup group, int checkedId) { // TODO Auto-generated method stub if (checkedId == radioBtn[0].getId() && radioBtn[0].isChecked()) { textView.setText(editText.getText()); textView.setTextColor(Color.BLUE); textView.setTypeface(Typeface.DEFAULT, Typeface.NORMAL); Toast.makeText(MainActivity.this, radioBtn[0].getText() + " 被选择", Toast.LENGTH_SHORT) .show(); } else if (checkedId == radioBtn[1].getId() && radioBtn[1].isChecked()) { textView.setText(editText.getText()); textView.setTextColor(Color.BLUE); textView.setTypeface(Typeface.DEFAULT_BOLD, Typeface.BOLD); Toast.makeText(MainActivity.this, radioBtn[1].getText() + " 被选择", Toast.LENGTH_SHORT) .show(); } else if (checkedId == radioBtn[2].getId() && radioBtn[2].isChecked()) { textView.setText(editText.getText()); textView.setTextColor(Color.BLUE); textView.setTypeface(Typeface.MONOSPACE, Typeface.ITALIC); Toast.makeText(MainActivity.this, radioBtn[2].getText() + " 被选择", Toast.LENGTH_SHORT) .show(); } else if (checkedId == radioBtn[3].getId() && radioBtn[3].isChecked()) { textView.setText(editText.getText()); textView.setTextColor(Color.BLUE); textView.setTypeface(Typeface.MONOSPACE, Typeface.BOLD_ITALIC); Toast.makeText(MainActivity.this, radioBtn[3].getText() + " 被选择", Toast.LENGTH_SHORT) .show(); } else if (checkedId == radioBtn[4].getId() && radioBtn[4].isChecked()) { textView.setText(editText.getText()); textView.setTextColor(Color.BLUE); textView.setTypeface(Typeface.DEFAULT_BOLD, Typeface.BOLD); textView.getPaint().setFakeBoldText(true); Toast.makeText(MainActivity.this, radioBtn[4].getText() + " 被选择", Toast.LENGTH_SHORT) .show(); } } } }
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" > <EditText android:id="@+id/edittext1" android:layout_width="300dp" android:layout_height="60dp" android:layout_gravity="center" android:textSize="30sp" android:hint="@string/note" /> <RadioGroup android:id="@+id/rg" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_gravity="center" android:orientation="vertical" > <RadioButton android:id="@+id/rb1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/rb1" /> <RadioButton android:id="@+id/rb2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/rb2" /> <RadioButton android:id="@+id/rb3" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/rb3" /> <RadioButton android:id="@+id/rb4" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/rb4" /> <RadioButton android:id="@+id/rb5" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/rb5" /> </RadioGroup> <TextView android:id="@+id/textview" android:layout_width="300dp" android:layout_height="60dp" android:layout_gravity="center" android:textSize="30sp" android:text="@string/note" /> </LinearLayout>
<resources> <string name="app_name">TypeFace</string> <string name="note">请输入文字</string> <string name="rb1">默认</string> <string name="rb2">粗体</string> <string name="rb3">斜体</string> <string name="rb4">粗斜体</string> <string name="rb5">仿粗体</string> </resources>