Question

我研究过在Android上设置导航菜单。我已经找到了几个关于如何设置它的答案，但我的问题是它甚至都不可见，对不起，如果这个问题很简单，但是这个编程语言真的很新，请帮忙。

这是我的代码：

activity_main.xml档案：

enter code here

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/activity_main"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context="com.example.mywindows.neo_datawaysconsultantsandtrainers.MainActivity">


    <android.support.v7.widget.Toolbar
        android:id="@+id/toolbar"
        android:layout_width="match_parent"
        android:layout_height="?attr/actionBarSize"
        android:background="?attr/colorPrimary"
        android:elevation="4dp"
        android:theme="@style/ThemeOverlay.AppCompat.ActionBar"
        android:popupTheme="@style/ThemeOverlay.AppCompat.Light"/>

    <android.support.v4.widget.DrawerLayout
        android:id="@+id/drawer_layout"
        android:layout_height="match_parent"
        android:layout_width="match_parent">





        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Hello World!" />

        <ListView
            android:id="@+id/drawer"
            android:layout_width="240dp"
            android:layout_height="match_parent"
            android:layout_gravity="start"
            android:background="@android:color/white"   />

    </android.support.v4.widget.DrawerLayout>


</LinearLayout>

strings.xml档案：

<resources>
    <string name="app_name">NEO-DATAWAYS</string>
    <string name="drawer_opened">Select an item</string>
    <string name="drawer_closed">NEODATAWAYS</string>
</resources>

styles.xml档案：

enter code here

<resources>

    <!-- Base application theme. -->
    <style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
        <!-- Customize your theme here. -->
        <item name="colorPrimary">#006400</item>
        <item name="windowActionBar">false</item>
        <item name="windowNoTitle">true</item>
        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
        <item name="colorAccent">@color/colorAccent</item>
        <item name="android:textColorPrimary">#FFFFFF</item>
        <item name="android:textColorSecondary">#FFFFFF</item>
    </style>

</resources>

activity_main.java档案：

enter code here

package com.example.mywindows.neo_datawaysconsultantsandtrainers;

import android.content.res.Configuration;
import android.os.PersistableBundle;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBarDrawerToggle;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.support.v7.widget.Toolbar;
import android.view.MenuItem;
import android.view.View;

public class MainActivity extends AppCompatActivity {


    private DrawerLayout mDrawLayout;
    private ActionBarDrawerToggle mDrawerToggle;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        Toolbar toolbar=(Toolbar) findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);


        mDrawLayout=(DrawerLayout) findViewById(R.id.drawer_layout);
        mDrawerToggle=new ActionBarDrawerToggle(this,mDrawLayout,R.string.drawer_opened,R.string.drawer_closed){
            @Override
            public void onDrawerOpened(View drawerView) {
                super.onDrawerOpened(drawerView);
                if(getSupportActionBar()!=null)
                getSupportActionBar().setTitle(R.string.drawer_opened);
            }

            @Override
            public void onDrawerClosed(View drawerView) {
                super.onDrawerClosed(drawerView);
                if(getSupportActionBar()!=null)
                    getSupportActionBar().setTitle(R.string.drawer_closed);
            }
        };
        getSupportActionBar().setDisplayShowCustomEnabled(true);
        getSupportActionBar().setHomeButtonEnabled(true);

        mDrawLayout.addDrawerListener(mDrawerToggle);
     //  mDrawLayout.setDrawerListener(mDrawerToggle);

    }

    @Override
    public void onPostCreate(Bundle savedInstanceState, PersistableBundle persistentState) {
        super.onPostCreate(savedInstanceState, persistentState);
        mDrawerToggle.syncState();
    }

    @Override
    public void onConfigurationChanged(Configuration newConfig) {
        super.onConfigurationChanged(newConfig);
        mDrawerToggle.onConfigurationChanged(newConfig);
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {

        if(mDrawerToggle.onOptionsItemSelected(item))
            return true;


        return super.onOptionsItemSelected(item);

    }
}

Answer 1

[activity_main.xml中]

<FrameLayout android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:id="@+id/fl_activity_main_container" />

<ListView android:layout_width="240dp"
    android:layout_height="match_parent"
    android:id="@+id/lv_activity_main_nav_list"
    android:layout_gravity="start"
    android:choiceMode="singleChoice"
    android:divider="@android:color/transparent"
    android:dividerHeight="0dp"
    android:background="#EDEDED"/>

此网址的更多代码 - http://androidhuman.com/524

Android导航菜单设置

1 个答案: