Android上下文菜单

GridView  gv = (GridView) findViewById(R.id.gv);

// 添加长按点击弹出选择菜单

gv.setOnCreateContextMenuListener(new OnCreateContextMenuListener() {

public void onCreateContextMenu(ContextMenu menu, View v,

ContextMenuInfo menuinfo) {

AdapterContextMenuInfo am=(AdapterContextMenuInfo)menuinfo;

//获得每个listview中的item

View item=am.targetView;

TextView tv_id=(TextView) item.findViewById(R.id.tv_id);

TextView tv_title=(TextView)item.findViewById(R.id.tv_title);

menu.setHeaderTitle(tv_title.getText().toString());

//获得要删除的记录id

id=tv_id.getText().toString();

menu.add(0, 0, 0, "更新该条");

menu.add(0, 1, 0, "删除该条");

}

});

上下文菜单被选择了

@Override

public boolean onContextItemSelected(MenuItem item) {

switch (item.getItemId()) {

case 0:

Toast.makeText(MainActivity.this, "你点击了上下文菜单0",

Toast.LENGTH_SHORT).show();

break;

case 1:

Toast.makeText(MainActivity.this, "你点击了上下文菜单1",

Toast.LENGTH_SHORT).show();

break;

default:

break;

}

return super.onContextItemSelected(item);

}