编程小白一枚,如题,如何才能做到,我现在已经在app中添加了浮动的导航菜单,我希望在点击导航菜单的时候启动一个新的activity,但是下面的代码完成不了,请大神看一下。
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protected
void
onCreate(Bundle savedInstanceState) {
super .onCreate(savedInstanceState);
setContentView(R.layout.activity_activity_view);
dataSource
= new
DBDataSource(
this );
dataSource.open();
values
= dataSource.getAllMahasiswa();
ArrayAdapter<mahasiswa>
adapter = new
ArrayAdapter<mahasiswa> (
this ,
android.R.layout.simple_list_item_1, values);
setListAdapter(adapter);
listView=(ListView)
findViewById(android.R.id.list);
registerForContextMenu(listView);
}
public
void
onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
super .onCreateContextMenu(menu,
v, menuInfo);
menu.add( 0 ,
1000 ,
0 ,
"Edit" );
menu.add( 0 ,
1001 ,
0 ,
"Hapus" );
}
public
boolean
onContextMenuItemSelected(MenuItem item){
switch
(item.getItemId()) {
case
1000
:
Intent
i = new
Intent(ActivityView.
this ,
Tes. class );
startActivity(i);
break ;
case
1001
:
break ;
}
return
super
.onContextItemSelected(item);
}</mahasiswa></mahasiswa>
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处理方法
在android开发中共有两种方式完成,使用下面的2代码
代码一
@Override
public boolean onContextItemSelected(MenuItem item)
{
switch (item.getItemId())
{
case R.id.pick_camera:
break;
}
return super.onContextItemSelected(item);
}
代码二
@Override
public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo)
{
getMenuInflater().inflate(R.menu.image_options, menu);
super.onCreateContextMenu(menu, v, menuInfo);
}
在 菜单资源路径创建image_options.xml
create image_options.xml in menu folder of resource.
<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android" >
<item
android:id="@+id/pick_camera"
android:title="Use Camera">
</item>
</menu>
原文地址:http://www.itmmd.com/201411/149.html
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