长按事件

public class MenuActivity extends Activity {
String[] st={"TextView","EditText","Toast(消息框)"};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_menu);
ListView lv=(ListView) findViewById(R.id.memu);

   ArrayAdapter<String>  aa=new ArrayAdapter<String>(this,android.R.layout.simple_list_item_1,st);
   lv.setAdapter(aa);
   lv.setOnItemClickListener(new OnItemClickListener() {


@Override
public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,
long arg3) {
Toast.makeText(getApplicationContext(), "00000"+arg2, Toast.LENGTH_SHORT).show();
Class des=null;
switch(arg2){
case 0:
des=FirstActivity.class;
break;
case 1:
des=SecendActivity.class;
break;
case 2:
des=ThirdActivity.class;
break;


}
if(des!=null){
Intent intent=new Intent(MenuActivity.this,des);
startActivity(intent);
}
}
});
   //第一种方法
   TextView tv=(TextView) findViewById(R.id.othormenu);
   this.registerForContextMenu(tv);
   //第二种方法
   TextView tv2=(TextView) findViewById(R.id.testmenu);
   //添加长按事件
   tv2.setOnCreateContextMenuListener(new OnCreateContextMenuListener() {

@Override
public void onCreateContextMenu(ContextMenu menu, View v,
ContextMenuInfo menuinfo) {
menu.setHeaderTitle("长按");
menu.add(0,1,0,"复制");
SubMenu sb=menu.addSubMenu("查找");
sb.add(1,2,0,"按id找");
sb.add(1,3,1,"按名字找");

}
});
   //构造listview
   ListView list=(ListView) findViewById(R.id.memu);
   ArrayAdapter<String> arr=new ArrayAdapter<String>(this,
    android.R.layout.simple_list_item_1,st);
   list.setAdapter(arr);
   //添加长按事件监听
   list.setOnCreateContextMenuListener(new OnCreateContextMenuListener() {

@Override
public void onCreateContextMenu(ContextMenu menu, View v,
ContextMenuInfo menuinfo) {
menu.setHeaderIcon(R.drawable.ch);
menu.setHeaderTitle("我是listmenu");
menu.add(3,6,0,"删除");
menu.add(3,7,1,"修改");

}
});



    }








@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.menu, menu);
return true;
}








@Override
public boolean onOptionsItemSelected(MenuItem item) {

switch(item.getItemId()){
case R.id.file:
Toast.makeText(getApplicationContext(), "file", 1).show();
return true;
case R.id.create_new:
Toast.makeText(getApplicationContext(), "create_new", 1).show();
return true;
case R.id.open:
Toast.makeText(getApplicationContext(), "open", 1).show();
return true;
default:
return super.onOptionsItemSelected(item);

}

}








@Override
public void onCreateContextMenu(ContextMenu menu, View v,
ContextMenuInfo menuInfo) {
// TODO Auto-generated method stub
super.onCreateContextMenu(menu, v, menuInfo);
if(v==(TextView)findViewById(R.id.othormenu)){
menu.clear();
menu.clearHeader();
menu.setHeaderIcon(R.drawable.miedao);
menu.setHeaderTitle("我是第一种方法");
menu.add(3,4,0,"复制");
menu.add(3,5,1,"黏贴");
}
}








@Override
public boolean onContextItemSelected(MenuItem item) {
AdapterContextMenuInfo info1=(AdapterContextMenuInfo) item.getMenuInfo();
switch(item.getItemId()){
case 4:
Toast.makeText(getApplicationContext(), "4"+item.getTitle(), 1).show();
break;
case 5:
Toast.makeText(getApplicationContext(), "5"+item.getTitle(), 1).show();
break;
case 1:
Toast.makeText(getApplicationContext(), "1"+item.getTitle(), 1).show();
break;
case 2:
Toast.makeText(getApplicationContext(), "2"+item.getTitle(), 1).show();
break;
case 3:
Toast.makeText(getApplicationContext(), "3"+item.getTitle(), 1).show();
break;
case 6:
Toast.makeText(getApplicationContext(), "6"+item.getTitle()+info1.id+st[(int)info1.id], 1).show();
break;
case 7:
Toast.makeText(getApplicationContext(), "7"+item.getTitle()+info1.id+st[(int)info1.id], 1).show();
break;
default:
break;

}
return super.onContextItemSelected(item);
}





}