选择菜单

一.OptionMenu

/创建选项菜单
                /**
                 *  分组：
                 *  <group android:id="@+id/group1">
                 *
                 *  Item条目：
                 *     android:id="@+id/item1"     Id
                 *     android:title="增加"        标题
                 *     android:icon="@android:drawable/ic_delete"    图标
                 *     app:showAsAction="always"    显示方式   always外部  never内部  ifRoom空间
                 *     android:orderInCategory="200"   排列方式   值越小越靠前显示
                 */
                @Override
                public boolean onCreateOptionsMenu(Menu menu) {
                    //方式一：通过xml文件创建菜单
                    getMenuInflater().inflate(R.menu.layout_menu,menu);
                    //方式二：通过Java代码添加
                    MenuItem item1 = menu.add(1, 100, 100, "全选");
                    item1.setIcon(android.R.drawable.ic_dialog_map);
                    item1.setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS);
                    menu.add(1,200,200,"反选");
                    return super.onCreateOptionsMenu(menu);
                }

                //选项菜单的选中监听处理
                @Override
                public boolean onOptionsItemSelected(MenuItem item) {
                    switch (item.getItemId()){
                        case R.id.item1:
                            Toast.makeText(MainActivity.this,"item:"+item.getTitle(),Toast.LENGTH_SHORT).show();
                            break;
                        case R.id.item2:
                            Toast.makeText(MainActivity.this,"item:"+item.getTitle(),Toast.LENGTH_SHORT).show();
                            break;
                        case R.id.item3:
                            Toast.makeText(MainActivity.this,"item:"+item.getTitle(),Toast.LENGTH_SHORT).show();
                            break;
                        case R.id.item4:
                            Toast.makeText(MainActivity.this,"item:"+item.getTitle(),Toast.LENGTH_SHORT).show();
                            break;
                        case 100:
                            Toast.makeText(MainActivity.this,"item:"+item.getTitle(),Toast.LENGTH_SHORT).show();
                            break;
                        case 200:
                            Toast.makeText(MainActivity.this,"item:"+item.getTitle(),Toast.LENGTH_SHORT).show();
                            break;
                    }
                    return super.onOptionsItemSelected(item);
                }
            }

上下文菜单

    //3.给对应的View控件设置上下文菜单
                        registerForContextMenu(btn3);
                        registerForContextMenu(btn1);
          //1.创建上下文菜单
                    @Override
                    public void onCreateContextMenu(ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {
                        super.onCreateContextMenu(menu, v, menuInfo);

                        //根据不同View设置不同上下文菜单
                        if (v.getId() == R.id.btn1){
                            //方式一：通过xml文件创建菜单
                            getMenuInflater().inflate(R.menu.context_menu1, menu);
                        }else{
                            //方式二：通过Java代码创建菜单
                            menu.add(1, 100, 100, "全选");
                            menu.add(1, 200, 200, "反选");
                        }
                    }

                    //2.设置上下文菜单的监听事件
                    @Override
                    public boolean onContextItemSelected(MenuItem item) {
                        //获取ItemId进行判断
                        switch (item.getItemId()) {
                            case R.id.item1:
                                Toast.makeText(MainActivity.this, item.getTitle(), Toast.LENGTH_SHORT).show();
                                break;
                            case R.id.item2:
                                Toast.makeText(MainActivity.this, item.getTitle(), Toast.LENGTH_SHORT).show();
                                break;
                            case R.id.item3:
                                Toast.makeText(MainActivity.this, item.getTitle(), Toast.LENGTH_SHORT).show();
                                break;
                            case R.id.item4:
                                Toast.makeText(MainActivity.this, item.getTitle(), Toast.LENGTH_SHORT).show();
                                break;
                        }
                        rdeturn super.onContextItemSelected(item);

侧滑菜单

            //1.设置图标不显示处理
                nv.setItemIconTintList(null);

                //2.设置菜单点击处理
                nv.setNavigationItemSelectedListener(this);

                //3.设置侧滑菜单图片更改
                View headerView = nv.getHeaderView(0);
                ImageView img = headerView.findViewById(R.id.img);
                img.setImageResource(android.R.drawable.ic_delete);
                img.setOnClickListener(new View.OnClickListener() {
                    @Override 
                    public void onClick(View v) {
                        Toast.makeText(MainActivity.this, "更换头像", Toast.LENGTH_SHORT).show();
                    }
                });

                //对侧滑菜单的监听处理（开、关监听）
                dl.addDrawerListener(new DrawerLayout.DrawerListener() {
                    @Override
                    public void onDrawerSlide(@NonNull View view, float v) {
                    }

                    @Override
                    public void onDrawerOpened(@NonNull View view) {
                        Toast.makeText(MainActivity.this, "开启", Toast.LENGTH_SHORT).show();
                    }

                    @Override
                    public void onDrawerClosed(@NonNull View view) {
                        Toast.makeText(MainActivity.this, "关闭", Toast.LENGTH_SHORT).show();
                    }

                    @Override
                    public void onDrawerStateChanged(int i) {
                    }
                });

        //设置侧滑菜单的开关处理
                ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(this,dl,toolBar,R.string.app_name,R.string.app_name);
                dl.addDrawerListener(toggle);                              
                toggle.syncState();                                                  
                
            }
               //侧滑菜单的点击事件   需要手动实验接口 NavigationView.OnNavigationItemSelectedListener  生成如下方法
            @Override
            public boolean onNavigationItemSelected(@NonNull MenuItem menuItem) {
                //menuItem.setChecked(true);
                switch (menuItem.getItemId()) {
                    case R.id.item1:
                        Toast.makeText(MainActivity.this, menuItem.getTitle(), Toast.LENGTH_SHORT).show();
                        break;
                    case R.id.item2:
                        Toast.makeText(MainActivity.this, menuItem.getTitle(), Toast.LENGTH_SHORT).show();
                        break;
                    case R.id.item3:
                        Toast.makeText(MainActivity.this, menuItem.getTitle(), Toast.LENGTH_SHORT).show();
                        break;
                    case R.id.item4:
                        Toast.makeText(MainActivity.this, menuItem.getTitle(), Toast.LENGTH_SHORT).show();
                        break;
                }
                return true;
            }

            //通过代码控制侧滑菜单的开启和关闭
            @Override
            public void onClick(View v) {
                switch (v.getId()) {
                    case R.id.btn1:
                        dl.openDrawer(Gravity.LEFT);
                        break;
                    case R.id.btn2:
                        dl.closeDrawer(Gravity.LEFT);
                        break;
                }