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  • Android的CheckBox(多选框)

    1.布局文件

    <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
        xmlns:tools="http://schemas.android.com/tools"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical"
        android:paddingBottom="@dimen/activity_vertical_margin"
        android:paddingLeft="@dimen/activity_horizontal_margin"
        android:paddingRight="@dimen/activity_horizontal_margin"
        android:paddingTop="@dimen/activity_vertical_margin"
        tools:context=".MainActivity" >
    
        <CheckBox
            android:checked="true"
            android:id="@+id/checkBox1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="篮球" />
    
        <CheckBox
            android:id="@+id/checkBox2"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="足球" />
    
    </LinearLayout>

    2.绑定选择事件

    package com.example.test2;
    
    import android.app.Activity;
    import android.os.Bundle;
    import android.util.Log;
    import android.view.Menu;
    import android.widget.Button;
    import android.widget.CheckBox;
    import android.widget.CompoundButton;
    import android.widget.CompoundButton.OnCheckedChangeListener;
    
    public class MainActivity extends Activity {
    
        private Button login_button;
        private Button reset;
        private Button other;
        private CheckBox checkBox1;
        private Button myButton;
    
        @Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_checkbox);
    
            login_button = (Button) this.findViewById(R.id.loginButton);
            checkBox1 = (CheckBox) findViewById(R.id.checkBox1);
            checkBox1.setOnCheckedChangeListener(new OnCheckedChangeListener() {
    
                @Override
                public void onCheckedChanged(CompoundButton arg0, boolean arg1) {
                    // arg1代表是否选中
                    Log.i("tag", arg1 + "");
                    if (arg1) {
                        Log.i("tag", checkBox1.getText().toString());
                    }
    
                }
            });
        }
    
        @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;
        }
    
    }

    3.效果:

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  • 原文地址:https://www.cnblogs.com/qlqwjy/p/7513386.html
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