android系統menu選單選項設定
阿新 • • 發佈:2019-01-24
首先在menu檔案下的mai.xml寫好按鈕設定,
<menu xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" tools:context="com.xh.tx.menue.MainActivity" > <item android:id="@+id/action_settings1" android:orderInCategory="100" android:showAsAction="never" android:title="@string/action_settings11"/> <item android:id="@+id/action_settings2" android:orderInCategory="101" android:showAsAction="never" android:title="@string/action_settings22"/> <item android:id="@+id/action_settings3" android:orderInCategory="102" android:showAsAction="never" android:title="@string/action_settings33"/> <item android:id="@+id/action_settings4" android:orderInCategory="104" android:showAsAction="never" android:title="@string/action_settings55"/> </menu>
抽取出來的中文字元在values檔案下的strings.xml裡:
然後在java程式碼裡寫好程式碼:<?xml version="1.0" encoding="utf-8"?> <resources> <string name="app_name">Menue</string> <string name="action_settings11">設定</string> <string name="action_settings22">關於</string> <string name="action_settings33">幫助</string> <string name="action_settings55">退出</string> <string name="weixin">微信</string> </resources>
這樣點選menu按鈕就會出現下圖:public class MainActivity extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); } @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; } @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 (id) { case R.id.action_settings1: Toast.makeText(this, item.getTitle(), Toast.LENGTH_LONG).show(); break; case R.id.action_settings2: Toast.makeText(this, item.getTitle(), Toast.LENGTH_LONG).show(); break; case R.id.action_settings3: Toast.makeText(this, item.getTitle(), Toast.LENGTH_LONG).show(); break; case R.id.action_settings4: Toast.makeText(this, item.getTitle(), Toast.LENGTH_LONG).show(); break; } return super.onOptionsItemSelected(item); } }
這就是簡單的menu設定。