如何通过RadioGroup实现长尾词的智能选择与应用？

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xmllayout.xml

layout.xml

MainActivity.java

package com.test.radiogroup; import android.os.Bundle; import android.support.annotation.IdRes; import android.support.v7.app.AppCompatActivity; import android.util.Log; import android.widget.RadioGroup; public class MainActivity extends AppCompatActivity { private RadioGroup rg; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.layout); rg = (RadioGroup) findViewById(R.id.radioGroup1); rg.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() { @Override public void onCheckedChanged(RadioGroup group, @IdRes int checkedId) { switch (checkedId){ case R.id.radioButton3: Log.i("tag","你选择了男"); break; case R.id.radioButton4: Log.i("tag","你选择了女"); break; default: break; } } }); } }