6.菜单分类（）
普通创建菜单的两种方法
1.动态的添加菜单栏，然后创建菜单栏的点击事件
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public boolean onCreateOptionsMenu(Menu menu) {
// 动态添加菜单
MenuItem item =menu.add(1, 100, 1, "菜单一");
item.setTitle("aaa");
item.setIcon(R.drawable.ic_launcher); //api>=11 不显示图标
menu.add(1, 101, 1, "菜单二");
menu.add(1, 102, 1, "菜单三");
menu.add(1, 103, 1, "菜单四");
return true;
}
// 点击监听事件 将每个菜单栏绑定
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case 100:
//跳转到一个页面
Intent intent = new Intent(MainActivity.this,SecondActivity.class);
item.setIntent(intent);
break;
case 101:
Toast.makeText(MainActivity.this, "点击了菜单二", Toast.LENGTH_LONG)
.show();
break;
case 102:
Toast.makeText(MainActivity.this, "点击了菜单三", Toast.LENGTH_LONG)
.show();
break;
case 103:
Toast.makeText(MainActivity.this, "点击了菜单四", Toast.LENGTH_LONG)
.show();
break;
}
return super.onOptionsItemSelected(item);
}
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2.将菜单栏写在menu文件夹中然后 调用
main 文件
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<menu xmlns:android="
http://schemas.android.com/apk/res/android"
xmlns:tools="
http://schemas.android.com/tools"
tools:context="com.example.mk_opetionmenu.MainActivity" >
<item
android:id="@+id/action_settings"
android:orderInCategory="100"
android:showAsAction="never"
android:title="@string/action_settings"/>
<item
android:id="@+id/action_menu_item1"
android:orderInCategory="100"
android:showAsAction="never"
android:title="菜单1"/>
<item
android:id="@+id/action_menu_item2"
android:orderInCategory="100"
android:showAsAction="never"
android:title="菜单2"/>
</menu>
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public boolean onCreateOptionsMenu(Menu menu) {
Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
// 点击监听事件 将每个菜单栏绑定
public boolean onOptionsItemSelected(MenuItem item) {
// TODO Auto-generated method stub
switch (item.getItemId()) {
case R.id.action_menu_item1:
//跳转到一个页面
Intent intent = new Intent(MainActivity.this,SecondActivity.class);
item.setIntent(intent);
break;
case R.id.action_menu_item2:
Toast.makeText(MainActivity.this, "点击了菜单四", Toast.LENGTH_LONG)
.show();
break;
}
return super.onOptionsItemSelected(item);
}
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上下文的菜单栏菜单栏（长按弹出的菜单栏）
1.创建listview
2.确定上下文菜单（注册菜单，添加菜单内容（两种方法））
3.添加点击相应事件事件
加载xml文件
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<menu xmlns:android="
http://schemas.android.com/apk/res/android"
xmlns:tools="
http://schemas.android.com/tools"
tools:context="com.example.mk_contextmenu.MainActivity" >
<item
android:id="@+id/action_item1"
android:orderInCategory="100"
android:showAsAction="never"
android:title="复制"/>
<item
android:id="@+id/action_item2"
android:orderInCategory="100"
android:showAsAction="never"
android:title="粘贴"/>
<item
android:id="@+id/action_item3"
android:orderInCategory="100"
android:showAsAction="never"
android:title="剪贴"/>
<item
android:id="@+id/action_item4"
android:orderInCategory="100"
android:showAsAction="never"
android:title="重命名"/>
</menu>
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public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
showListView();
}
/**
* 设置listview的显示内容
*/
private void showListView() {
ListView listview = (ListView) findViewById(R.id.showListView);
ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,
android.R.layout.simple_list_item_1, getData());
listview.setAdapter(adapter);
this.registerForContextMenu(listview);// 注册上下文菜单
}
/**
* 设置具体的菜单项
*/
@Override
public void onCreateContextMenu(ContextMenu menu, View v,
ContextMenuInfo menuInfo) {
super.onCreateContextMenu(menu, v, menuInfo);
// 设置menu显示的内容
menu.setHeaderTitle("文件操作");
menu.setHeaderIcon(R.drawable.ic_launcher);
MenuInflater inflater = getMenuInflater(); // 把menu中的菜单main添加到菜单栏
inflater.inflate(R.menu.main, menu);
}
/**
* 菜单的注册事件
*/
@Override
public boolean onContextItemSelected(MenuItem item) {
// TODO Auto-generated method stub
switch (item.getItemId()) {
case R.id.action_item1:
Toast.makeText(this, "复制中", Toast.LENGTH_LONG).show();
break;
case R.id.action_item2:
Toast.makeText(this, "粘贴中", Toast.LENGTH_LONG).show();
break;
case R.id.action_item3:
Toast.makeText(this, "剪贴中", Toast.LENGTH_LONG).show();
break;
case R.id.action_item4:
Toast.makeText(this, "重命名中", Toast.LENGTH_LONG).show();
break;
}
return super.onContextItemSelected(item);
}
/**
* 构造listview显示的数据
*
* @return
*/
private ArrayList<String> getData() {
ArrayList<String> list = new ArrayList<String>();
for (int i = 0; i < 5; i++) {
list.add("文件" + (i + 1));
}
return list;
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
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动态的添加
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protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
showListView();
}
/**
* 设置listview的显示内容
*/
private void showListView() {
ListView listview = (ListView) findViewById(R.id.showListView);
ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,
android.R.layout.simple_list_item_1, getData());
listview.setAdapter(adapter);
this.registerForContextMenu(listview);// 注册上下文菜单
}
/**
* 设置具体的菜单项
*/
@Override
public void onCreateContextMenu(ContextMenu menu, View v,
ContextMenuInfo menuInfo) {
// TODO Auto-generated method stub
super.onCreateContextMenu(menu, v, menuInfo);
// 设置menu显示的内容
menu.setHeaderTitle("文件操作");
menu.setHeaderIcon(R.drawable.ic_launcher);
menu.add(1, 1, 1, "复制"); // 代码动态添加
menu.add(1, 2, 1, "粘贴");
menu.add(1, 3, 1, "剪贴");
menu.add(1, 4, 1, "重命名");
}
/**
* 菜单的注册事件
*/
@Override
public boolean onContextItemSelected(MenuItem item) {
// TODO Auto-generated method stub
switch (item.getItemId()) {
case 1:
Toast.makeText(this, "复制中", Toast.LENGTH_LONG).show();
break;
case 2:
Toast.makeText(this, "粘贴中", Toast.LENGTH_LONG).show();
break;
case 3:
Toast.makeText(this, "剪贴中", Toast.LENGTH_LONG).show();
break;
case 4:
Toast.makeText(this, "重命名中", Toast.LENGTH_LONG).show();
break;
}
return super.onContextItemSelected(item);
}
/**
* 构造listview显示的数据
*
* @return
*/
private ArrayList<String> getData() {
ArrayList<String> list = new ArrayList<String>();
for (int i = 0; i < 5; i++) {
list.add("文件" + (i + 1));
}
return list;
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
Inflate the menu; this adds items to the action bar if it is present.
return true;
}
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百度云demo地址：http://pan.baidu.com/s/1gdJeum3
转载于:https://my.oschina.net/TAOH/blog/526055