drawerLayout其實是一個布局控件,跟LinearLayout等控件是一樣的,但是drawerLayout帶有滑動的功能。只要按照drawerLayout的規定布局方式寫完布局,就能有側滑的效果。
1)在DrawerLayout中,第一個子View必須是顯示內容的view,并且設置它的layout_width和layout_height屬性是match_parent.
2)第二個view是抽屜view,并且設置屬性layout_gravity="left|right",表示是從左邊滑出還是右邊滑出。設置它的layout_height="match_parent"
ActionBarDrawerToggle就是DrawerLayout事件的監聽器。
ActionBarDrawerToggle有3個方法可以被復寫,分別用來實現DrawerLayout打開,關閉,滑動的事件監聽:
drawerLayout布局代碼:
<android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:id="@+id/drawer_layout" > //主內容 <FrameLayout android:id="@+id/content_frame" android:layout_width="match_parent" android:layout_height="match_parent"> <TextView android:gravity="center" android:id="@+id/drawer_text" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="123"/> </FrameLayout> //側滑菜單 <ListView android:id="@+id/left_drawer" android:layout_width="40dp" android:layout_height="match_parent" android:layout_gravity="start" android:choiceMode="singleChoice" android:divider="@android:color/transparent" android:dividerHeight="0dp" android:background="#111" /></android.support.v4.widget.DrawerLayout>
mainactivity.java代碼
package com.example.wxj.drawerlayoutlearen; import android.support.v4.widget.DrawerLayout;import android.support.v7.app.ActionBarDrawerToggle;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.view.View;import android.widget.ListView;import android.widget.TextView; public class MainActivity extends AppCompatActivity { private DrawerLayout mDrawerLayout; private TextView view; private ListView mDrawerList; private ActionBarDrawerToggle mDrawerToggle; private CharSequence mDrawerTitle; private CharSequence mTitle; private String[] mPlanetTitles; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); mDrawerLayout = (DrawerLayout)findViewById(R.id.drawer_layout); view = (TextView)findViewById(R.id.drawer_text); mDrawerToggle = new ActionBarDrawerToggle( this, mDrawerLayout, R.string.open, R.string.close ){ @Override public void onDrawerClosed(View drawerView) { super.onDrawerClosed(drawerView); view.setText("close"); } @Override public void onDrawerOpened(View drawerView) { super.onDrawerOpened(drawerView); view.setText("dakai"); } @Override public void onDrawerSlide(View drawerView, float slideOffset) { super.onDrawerSlide(drawerView, slideOffset); view.setText("huachu"); } }; mDrawerLayout.setDrawerListener(mDrawerToggle); }}
string.xml代碼
<resources> <string name="app_name">DrawerLayoutlearen</string> <string name="open" /> <string name="close" /></resources>
以上就是本文的全部內容,希望對大家的學習有所幫助,也希望大家多多支持VEVB武林網。
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