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20151002474demo_menu.rar(免费下载)[44 次下载]package com.example.demo_menu20151002474; |
import android.app.Activity; |
import android.os.Bundle; |
import android.view.Menu; |
import android.view.MenuItem; |
import android.widget.TextView; |
public class MainActivity extends Activity { |
TextView gender, hobby; |
@Override |
protected void onCreate(Bundle savedInstanceState) { |
super.onCreate(savedInstanceState); |
setContentView(R.layout.activity_main); |
gender = (TextView) this.findViewById(R.id.gender); |
hobby = (TextView) this.findViewById(R.id.hobby); |
} |
@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);//加载菜单 |
return true; |
} |
@Override |
public boolean onOptionsItemSelected(MenuItem item) { |
// Handle action bar item clicks here. The action bar will |
// automatically handle clicks on the Home/Up button, so long |
// as you specify a parent activity in AndroidManifest.xml. |
int id = item.getItemId(); |
switch (item.getItemId()) { |
case R.id.male: |
case R.id.female: |
item.setChecked(true); |
gender.setText(item.getTitle()); |
break; |
case R.id.sport: |
case R.id.sing: |
case R.id.trip: |
item.setChecked(!item.isChecked()); |
if (item.isChecked()) |
hobby.setText(hobby.getText().toString() + item.getTitle()); |
break; |
} |
|
return super.onOptionsItemSelected(item); |
} |
} |
20151002474demo_menu.rar(免费下载)[44 次下载]
by: 发表于：2018-05-31 11:04:05 顶(0) | 踩(0) 回复
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