/* ContextMenu菜單就是長按某一個組件，就會在屏幕的中間彈出ContextMenu，這里設置為長按文本框彈出ContextMenu菜單*/public class MyContextMenu extends AppCompatActivity {/** Called when the activity is first created. */final static int CONTEXT_MENU_1 = Menu.FIRST;//可以理解為ID設置的最小數值final static int CONTEXT_MENU_2 = Menu.FIRST + 1;final static int CONTEXT_MENU_3 = Menu.FIRST + 2;TextView textView = null;//設置成員變量@Overridepublic void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_my_context_menu);textView = (TextView)findViewById(R.id.label);//獲取textregisterForContextMenu(textView);//注冊長摁菜單事件}/*創建菜單*/@Overridepublic void onCreateContextMenu(ContextMenu menu,View v, ContextMenu.ContextMenuInfo menuInfo){menu.setHeaderTitle("快捷菜單標題");//設置標題//設置對應id及titlemenu.add(0, CONTEXT_MENU_1, 0,"菜單子項1");menu.add(0, CONTEXT_MENU_2, 1,"菜單子項2");menu.add(0, CONTEXT_MENU_3, 2,"菜單子項3");}/*設置對應事件*/@Overridepublic boolean onContextItemSelected(MenuItem item){switch(item.getItemId()){case CONTEXT_MENU_1:Toast.makeText(MyContextMenu.this,"選中菜單子項1",Toast.LENGTH_SHORT).show();return true;case CONTEXT_MENU_2:Toast.makeText(MyContextMenu.this,"選中菜單子項2",Toast.LENGTH_SHORT).show();return true;case CONTEXT_MENU_3:Toast.makeText(MyContextMenu.this,"選中菜單子項3",Toast.LENGTH_SHORT).show();return true;}return false;}public void skip(View v){Intent intent = new Intent();intent.setClass(MyContextMenu.this,TabDemo.class);//從前者跳往后者startActivity(intent);//啟動} } <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"xmlns:tools="http://schemas.android.com/tools"tools:context=".MyContextMenu"android:orientation="vertical"android:layout_width="fill_parent"android:layout_height="fill_parent"><TextView android:id="@+id/label"android:layout_width="fill_parent"android:layout_height="wrap_content"android:text="@string/hello"/></LinearLayout>

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