复选框的实现
布局文件activity_main.xml
1 <TextView 2 android:id="@+id/instruction" 3 android:layout_width="wrap_content" 4 android:layout_height="wrap_content" 5 android:layout_below="@id/temperature" 6 android:text="特殊情况（可多选，如有其他需报告的情况请说明）" 7 android:textSize="16sp" 8 android:layout_marginTop="10dp"/> 9 10 <CheckBox 11 android:id="@+id/instruction1" 12 android:layout_width="match_parent" 13 android:layout_height="wrap_content" 14 android:layout_below="@id/instruction" 15 android:text="无" 16 android:background="#FDDEDE" 17 android:textSize="16sp" 18 android:layout_marginTop="10dp"/> 19 20 <CheckBox 21 android:id="@+id/instruction2" 22 android:layout_width="wrap_content" 23 android:layout_height="wrap_content" 24 android:layout_below="@id/instruction1" 25 android:text="2020年12月17日至今去过或者现在居住在中高风险地区" 26 android:background="#FDDEDE" 27 android:textSize="16sp" 28 android:layout_marginTop="10dp"/> 29 30 <CheckBox 31 android:id="@+id/instruction3" 32 android:layout_width="match_parent" 33 android:layout_height="wrap_content" 34 android:layout_below="@id/instruction2" 35 android:text="本人或家人正在集中隔离" 36 android:background="#FDDEDE" 37 android:textSize="16sp" 38 android:layout_marginTop="10dp"/> 39 40 <CheckBox 41 android:id="@+id/instruction4" 42 android:layout_width="match_parent" 43 android:layout_height="wrap_content" 44 android:layout_below="@id/instruction3" 45 android:text="今日居住地异动" 46 android:background="#FDDEDE" 47 android:textSize="16sp" 48 android:layout_marginTop="10dp"/> 49 50 <CheckBox 51 android:id="@+id/instruction5" 52 android:layout_width="match_parent" 53 android:layout_height="wrap_content" 54 android:layout_below="@id/instruction4" 55 android:text="其他情况" 56 android:background="#FDDEDE" 57 android:textSize="16sp" 58 android:layout_marginTop="10dp"/>
MainActivity.java
1 public class MainActivity extends AppCompatActivity{ 2 //CheckBox复选框 3 private CheckBox check1; 4 private CheckBox check2; 5 private CheckBox check3; 6 private CheckBox check4; 7 private CheckBox check5; 8 private String str="特殊情况："; 9 //提交按钮 10 private Button mBtnSubmit; 11 12 @Override 13 protected void onCreate(Bundle savedInstanceState) { 14 super.onCreate(savedInstanceState); 15 setContentView(R.layout.activity_main); 16 17 //CheckBox复选框 18 check1=findViewById(R.id.instruction1); 19 check2=findViewById(R.id.instruction2); 20 check3=findViewById(R.id.instruction3); 21 check4=findViewById(R.id.instruction4); 22 check5=findViewById(R.id.instruction5); 23 24 //提交按钮 25 mBtnSubmit = findViewById(R.id.btn_submit); 26 mBtnSubmit.setOnClickListener(new View.OnClickListener() { 27 @Override 28 public void onClick(View v) { 29 30 //复选框 31 if(check1.isChecked()){ 32 str+=check1.getText()+","; 33 } 34 if(check2.isChecked()){ 35 str+=check2.getText()+","; 36 } 37 if(check3.isChecked()){ 38 str+=check3.getText()+","; 39 } 40 if(check4.isChecked()){ 41 str+=check4.getText()+","; 42 } 43 if(check5.isChecked()){ 44 str+=check5.getText()+","; 45 } 46 Toast.makeText(MainActivity.this,str,Toast.LENGTH_LONG).show(); 47 } 48 } 49 50 //CheckBox复选框 51 private CompoundButton.OnCheckedChangeListener listener=new CompoundButton.OnCheckedChangeListener() { 52 @Override 53 public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { 54 //选中多选框 55 CheckBox checkBox=(CheckBox)buttonView; 56 //取出当前勾选值 57 String str=checkBox.getText().toString(); 58 //判断是否勾选状态 59 if(isChecked){ 60 str="你选了"+str; 61 }else{ 62 str="你没选"+str; 63 } 64 Toast.makeText(MainActivity.this,str,Toast.LENGTH_LONG).show(); 65 } 66 }; 67 } 68
