我正在寻找一种方法来显示汉堡包图标而不使用抽屉/抽屉转换并使用Android中包含的默认图标
通过设置getSupportActionBar().setDisplayHomeAsUpEnabled(true);
,它显示后箭头而不是hambuerger。 Stackoverflow上的其他帖子(如this或this)使用DrawerLayout或自定义drawable。我在Android源上找不到汉堡图标的矢量或png。
你知道如何在android / support库中找到原始的汉堡包图标吗? (或如何显示)
注意:可以在google.com/design网站上找到Vector和png:http://www.google.com/design/spec/resources/sticker-sheets-icons.html#
在我的活动中
mToolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(mToolbar);
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
getSupportActionBar().setHomeButtonEnabled(true);
mToolbar.setNavigationOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Log.d(LOG_TAG, "navigation clicked");
}
});
布局文件
<android.support.v7.widget.Toolbar
android:id="@+id/toolbar"
android:layout_height="wrap_content"
android:layout_width="match_parent"
android:minHeight="?attr/actionBarSize"
android:background="?attr/colorPrimary"
app:theme="@style/ThemeOverlay.AppCompat.ActionBar"/>
Styles.xml
<!-- Base application theme. -->
<style name="Theme.AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
<item name="colorPrimary">@color/primaryDef</item>
<item name="colorPrimaryDark">@color/primaryDarkDef</item>
<item name="colorAccent">@color/primaryDef</item>
<!-- Remove the actionbar shadow-->
<item name="android:windowContentOverlay">@null</item>
</style>
如果你想使用与棒棒糖相同的抽屉,那么让我告诉你,这不是静态图像。该图像由一个名为DrawerArrowDrawableToggle
的类实时绘制。所以没有“汉堡”图标。
但是,如果你想要没有动画的汉堡包图标,你可以在这里找到它:
也许你可以试试这个,但你会在箭头和汉堡包图标之间丢失动画
@Override
protected void onCreate(Bundle arg0) {
super.onCreate(arg0);
super.setContentView(R.layout.activity_menu_drawer_left);
_drawerToggle = new ActionBarDrawerToggle(this, _drawerLayout, R.string.drawer_opened, R.string.drawer_closed) {
public void onDrawerOpened(View drawerView) {
super.onDrawerOpened(drawerView);
changeDrawerIconOnDrawerClick(R.drawable.abc_ic_ab_back_mtrl_am_alpha);
}
/** Called when a drawer has settled in a completely closed state. */
public void onDrawerClosed(View view) {
super.onDrawerClosed(view);
changeDrawerIconOnDrawerClick(R.drawable.ic_drawer);
}
};
//to change default icon to hamburger item initially
changeDrawerIconOnDrawerClick(R.drawable.ic_drawer); }
private void changeDrawerIconOnDrawerClick(int resourceId) {
//Drawable icon = ContextCompat.getDrawable(getApplicationContext(), resourceId);
Drawable icon = ResourcesCompat.getDrawable(getResources(), resourceId, null);
icon.setColorFilter(getResources().getColor(R.color.white), PorterDuff.Mode.SRC_ATOP);
_drawerToggle.setDrawerIndicatorEnabled(false);
_drawerToggle.setHomeAsUpIndicator(icon);
}
用您自己的drawable替换默认的向上箭头
getSupportActionBar().setHomeAsUpIndicator(R.drawable.hamburger);
只需在onCreate方法中添加以下内容,
if (getSupportActionBar() != null) {
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
getSupportActionBar().setHomeButtonEnabled(true);
}
ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(
this, mDrawer, mToolbar, R.string.home_navigation_drawer_open, R.string.home_navigation_drawer_close) {
public void onDrawerClosed(View view) {
super.onDrawerClosed(view);
invalidateOptionsMenu();
}
public void onDrawerOpened(View drawerView) {
super.onDrawerOpened(drawerView);
invalidateOptionsMenu();
}
@Override
public void onDrawerSlide(View drawerView, float slideOffset) {
super.onDrawerSlide(drawerView, slideOffset);
}
};
mDrawer.addDrawerListener(toggle);
toggle.syncState();
在strings.xml中,
<string name="home_navigation_drawer_open">Open navigation drawer</string>
<string name="home_navigation_drawer_close">Close navigation drawer</string>
ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(this, drawer, toolbar,
R.string.navigation_drawer_open, R.string.navigation_drawer_close);
drawer.addDrawerListener(toggle);
toggle.syncState();
它与我合作
在MyActionBarDrawerToggle中使用此构造函数:
public MyActionBarDrawerToggle(AppCompatActivity host, DrawerLayout drawerlayout, SupportToolbar toolbar, int openedResource, int closedResource)
: base(host, drawerlayout, toolbar, openedResource, closedResource)
{
mHostActivity = host;
mOpenedResource = openedResource;
mClosedResource = closedResource;
}
并在mainActivity中调用此方法(使用AppCompatActivity)
mDrawerToggle = new MyActionBarDrawerToggle(
this, //Host Activity
mDrawerLayout, //DrawerLayout
mToolbar, //Toolbar
Resource.String.openDrawer, //Opened Message
Resource.String.closeDrawer //Closed Message
);
mDrawerLayout.AddDrawerListener(mDrawerToggle);
SupportActionBar.SetHomeButtonEnabled(true);
SupportActionBar.SetDisplayShowTitleEnabled(true);
mDrawerToggle.DrawerIndicatorEnabled = true;
mDrawerToggle.SyncState();
在onCreate()
:
setSupportActionBar(toolbar);
ActionBar actionBar = getSupportActionBar();
drawerToggle = new ActionBarDrawerToggle(this, drawerLayout, toolbar, R.string.open, R.string.close) {
@Override
public void onDrawerClosed(View drawerView) {
super.onDrawerClosed(drawerView);
supportInvalidateOptionsMenu();
}
@Override
public void onDrawerOpened(View drawerView) {
super.onDrawerOpened(drawerView);
supportInvalidateOptionsMenu();
}
};
drawerLayout.setDrawerListener(drawerToggle);
drawerToggle.setToolbarNavigationClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Backstack.get(MainActivity.this).goBack();
}
});
//actionBar.setHomeAsUpIndicator(R.drawable.ic_menu);
//getSupportActionBar().setDisplayHomeAsUpEnabled(false);
actionBar.setDisplayHomeAsUpEnabled(false);
actionBar.setHomeButtonEnabled(true);
设置UP导航时:
private void setupViewsForKey(Key key) {
if(key.shouldShowUp()) {
drawerToggle.setDrawerIndicatorEnabled(false);
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
}
else {
getSupportActionBar().setDisplayHomeAsUpEnabled(false);
drawerToggle.setDrawerIndicatorEnabled(true);
}
drawerToggle.syncState();
要有一个动画汉堡包图标你应该使用DrawerLayout
与ActionBarDrawerToggle
并启用ActionBar
和ActionBarDrawerToggle
的图标。
例:
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
DrawerLayout drawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
ActionBarDrawerToggle mDrawerToggle;
setSupportActionBar(toolbar);
final ActionBar actionBar = getSupportActionBar();
if (actionBar != null)
{
actionBar.setDisplayHomeAsUpEnabled(true);
mDrawerToggle = new ActionBarDrawerToggle(this, drawerLayout, toolbar, R.string.hello_world, R.string.hello_world)
{
public void onDrawerClosed(View view)
{
supportInvalidateOptionsMenu();
//drawerOpened = false;
}
public void onDrawerOpened(View drawerView)
{
supportInvalidateOptionsMenu();
//drawerOpened = true;
}
};
mDrawerToggle.setDrawerIndicatorEnabled(true);
drawerLayout.setDrawerListener(mDrawerToggle);
mDrawerToggle.syncState();
}
此外,您需要将这些方法添加到您的Activity:
@Override
protected void onPostCreate(Bundle savedInstanceState)
{
super.onPostCreate(savedInstanceState);
mDrawerToggle.syncState();
}
@Override
public void onConfigurationChanged(Configuration newConfig)
{
super.onConfigurationChanged(newConfig);
mDrawerToggle.onConfigurationChanged(newConfig);
}
为此你只需要写一些行
DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close);
drawer.addDrawerListener(toggle);
toggle.setDrawerIndicatorEnabled(true);
toggle.syncState();
toggle.setDrawerIndicatorEnabled(真);如果这是假的,则将其设为true或删除此行
您可以尝试为这样的汉堡包图标制作自己的drawable。
<vector xmlns:android="http://schemas.android.com/apk/res/android"
android:width="24dp"
android:height="24dp"
android:viewportHeight="24.0"
android:viewportWidth="24.0">
<path
android:fillColor="#ffffff"
android:pathData="M3,18h18v-2L3,16v2zM3,13h18v-2L3,11v2zM3,6v2h18L21,6L3,6z" />
</vector>
然后在你的片段/活动中,
getSupportActionBar().setHomeAsUpIndicator(R.drawable.as_above);
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
对于其他绘图,这可能会有所帮助:https://github.com/google/material-design-icons/blob/master/navigation/drawable-anydpi-v21/
我有同样的问题,我在这里找到了最简单的解决方案:
appcompatv7-v21-navigation-drawer-not-showing-hamburger-icon
我所要做的只是打电话:
mDrawerToggle.syncState();
我有同样的问题。获取ToolBar
然后设置导航图标
final android.support.v7.widget.Toolbar toolbar = (android.support.v7.widget.Toolbar) findViewById(R.id.toolbar);
toolbar.setNavigationIcon(R.drawable.blablabla);
Toolbar mToolbar = (Toolbar) findViewById(R.id.toolbar);
mToolbar.setTitle("title");
setSupportActionBar(mToolbar);
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
getSupportActionBar().setHomeButtonEnabled(true);
getSupportActionBar().setHomeAsUpIndicator(R.drawable.ic_list);
这是对我有用的最简单的解决方案。
ActionBarDrawerToggle
有两种类型的构造函数。其中一个以工具栏作为参数。使用它(下面的第二个)来获得动画汉堡包。
ActionBarDrawerToggle(this, mDrawerLayout, R.string.content_desc_drawer_open,
R.string.content_desc_drawer_close);
ActionBarDrawerToggle(this, mDrawerLayout, toolbar, R.string.content_desc_drawer_open,
R.string.content_desc_drawer_close);` //use this constructor
好的隐藏箭头使用
getSupportActionBar().setDisplayHomeAsUpEnabled(false);
getSupportActionBar().setHomeButtonEnabled(false);
然后在网页上找到汉堡包图标 - > hamburger
最后,使用操作栏方法在项目中设置此drawable:
getSupportActionBar().setLogo(R.drawable.hamburger_icon);