andriod CheckBox
<?xml version="1.0" encoding="UTF-8"?> <LinearLayout android:orientation="vertical" android:layout_height="fill_parent" android:layout_width="fill_parent" xmlns:android="http://schemas.android.com/apk/res/android"> <TextView android:layout_height="wrap_content" android:layout_width="fill_parent" android:text="多选控件:" android:id="@+id/label"/> <CheckBox android:layout_height="wrap_content" android:layout_width="wrap_content" android:text="AA" android:id="@+id/plain_cb"/> <CheckBox android:layout_height="wrap_content" android:layout_width="wrap_content" android:text="BB" android:id="@+id/serif_cb"/> <CheckBox android:layout_height="wrap_content" android:layout_width="wrap_content" android:text="CC" android:id="@+id/bold_cb"/> <CheckBox android:layout_height="wrap_content" android:layout_width="wrap_content" android:text="DD" android:id="@+id/italic_cb"/> <Button android:layout_height="wrap_content" android:layout_width="wrap_content" android:text="获取checkbox" android:id="@+id/button1"/> </LinearLayout>
package com.example.yanlei.mytk; import android.os.Bundle; import android.support.v7.app.AppCompatActivity; import android.text.method.HideReturnsTransformationMethod; import android.text.method.PasswordTransformationMethod; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.widget.Button; import android.widget.CheckBox; import android.widget.CompoundButton; import android.widget.CompoundButton.OnCheckedChangeListener; import android.widget.TextView; import android.widget.Toast; public class MainActivity extends AppCompatActivity { private CheckBox plainCB; private CheckBox serifCB; private CheckBox boldCB; private CheckBox italicCB; private Button button1; @Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); plainCB=(CheckBox)findViewById(R.id.plain_cb); serifCB=(CheckBox)findViewById(R.id.serif_cb); boldCB=(CheckBox)findViewById(R.id.bold_cb); italicCB=(CheckBox)findViewById(R.id.italic_cb); button1=(Button)findViewById(R.id.button1); button1.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { String result=""; if(plainCB.isChecked()){ result+=plainCB.getText()+"、"; } if(serifCB.isChecked()){ result+=serifCB.getText()+"、"; } if(boldCB.isChecked()){ result+=boldCB.getText()+"、"; } if(italicCB.isChecked()){ result+=italicCB.getText()+"、"; } if(!"".equals(result)){ result=result.substring(0,result.length()-1); }else{ result="你没有选择!!!"; } setTitle("Checked:"+result); } }); } }