Android menu菜单 ContextMenu

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一，静态XML加载MENU
1，创建menu文件夹下的menu.xml文件

<?xml version="1.0" encoding="utf-8"?><menu xmlns:android="http://schemas.android.com/apk/res/android" >    <item android:id="@+id/menu_setting"          android:title="Setting_222"          />    <item        android:id="@+id/menu_setting2"        android:title="information"        /></menu>

2，复写onCreateOptionsMenu方法：

 @Override    public boolean onCreateOptionsMenu(Menu menu) {        /**         * 静态加载Menu菜单         */        getMenuInflater().inflate(R.menu.menu,menu);        return true;        //return super.onCreateOptionsMenu(menu);    }

3，menu菜单监听事件
复写onOptionsItemSelected

@Override    public boolean onOptionsItemSelected(MenuItem item) {        switch (item.getItemId()){              case R.id.menu_setting:                Log.i(TAG, "onOptionsItemSelected: -->"+"menu_setting");                Toast.makeText(this,"点击了菜单一",Toast.LENGTH_LONG);                break;            case R.id.menu_setting2:                Log.i(TAG, "onOptionsItemSelected: hhahahaah");                Toast.makeText(this,"点击了菜单2",Toast.LENGTH_LONG);                break;          }        return super.onOptionsItemSelected(item);    }

二、动态创建菜单
1，重新onCreateOptionsMenu

 MenuItem menu1 = menu.add(1,100,1,"menu1");        menu.add(1,101,1,"menu2");        menu.add(1,102,1,"menu3");        return true;

2，监听Menu菜单
同上。只是id为100，101和102

三 ContextMenu

主要用于listview以及gridview上长时间按ITEM时弹出的菜单
1，创建menu.xml

<?xml version="1.0" encoding="utf-8"?><menu xmlns:android="http://schemas.android.com/apk/res/android">    <item android:id="@+id/edit_menu"        android:title="Edit"        />    <item android:id="@+id/delete_menu"        android:title="Delete"        /></menu>

2,创建listview，并调用registerForContextMenu();

 list = (ListView)findViewById(R.id.list);        ArrayAdapter<String> arrayAdapter = new ArrayAdapter<String>(this,android.R.layout.simple_list_item_1,str);        list.setAdapter(arrayAdapter);        registerForContextMenu(list);

3，重写onCreateContextMenu，onContextItemSelected

@Override    public void onCreateContextMenu(ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {        super.onCreateContextMenu(menu, v, menuInfo);        MenuInflater menuInflater = getMenuInflater();        menuInflater.inflate(R.menu.menu,menu);    }    @Override    public boolean onContextItemSelected(MenuItem item) {        switch (item.getItemId()){            case R.id.edit_menu:                Log.i(TAG, "onContextItemSelected: --->menu edit");                return true;            case R.id.delete_menu:                Log.i(TAG, "onContextItemSelected: --->delete");                return true;            default:                return super.onContextItemSelected(item);        }    }

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