Android之侧滑菜单DrawerLayout的使用

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布局文件

<?xml version="1.0" encoding="utf-8"?><android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:id="@+id/v4_drawerlayout"    android:layout_width="match_parent"    android:layout_height="match_parent">    <FrameLayout        android:id="@+id/v4_drawerlayout_frame"        android:layout_width="match_parent"        android:layout_height="match_parent" >        <TextView            android:layout_width="match_parent"            android:layout_height="match_parent"            android:id="@+id/v4_text"            android:textSize="22sp"            android:textColor="@color/colorAccent"            android:gravity="center"            />    </FrameLayout>    <ListView        android:layout_width="200dp"        android:layout_height="match_parent"        android:layout_gravity="left"        android:id="@+id/v4_listview"        android:choiceMode="singleChoice"        android:background="@android:color/white" /></android.support.v4.widget.DrawerLayout>

代码区

public class DrawerActivity extends AppCompatActivity {    private ListView listView;    private DrawerLayout drawerLayout;    private TextView textView;    @Override    protected void onCreate(@Nullable Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.drawer_activity);        initView();    }    private void initView()    {        listView=(ListView) findViewById(R.id.v4_listview);        drawerLayout=(DrawerLayout) findViewById(R.id.v4_drawerlayout);        textView=(TextView) findViewById(R.id.v4_text);        initDate();    }    private void initDate(){        final List<String> list = new ArrayList<String>();        list.add("网易");        list.add("腾讯");        list.add("新浪");        list.add("搜狐");        ArrayAdapter<String> adapter = new ArrayAdapter<>(this, android.R.layout.simple_list_item_1, list);        listView.setAdapter(adapter);        listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {            @Override            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {                textView.setText(list.get(position));                showDrawerLayout();            }        });        drawerLayout.openDrawer(Gravity.LEFT);//侧滑打开  不设置则不会默认打开    }    private void showDrawerLayout() {        if (!drawerLayout.isDrawerOpen(Gravity.LEFT)) {            drawerLayout.openDrawer(Gravity.LEFT);        } else {            drawerLayout.closeDrawer(Gravity.LEFT);        }    }}

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