在android studio 1.4.1中,我创建了默认的新导航抽屉项目。我的问题是在这个项目中有nav_header_main.xml文件,该文件用于导航标题图像和名称。我希望这个图像和名称应该在我的主类活动中以编程方式设置。怎么做,我尝试了很多,但应用程序崩溃了。
nav_header_main.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
android:layout_width="match_parent"
android:id="@+id/headerView"
android:layout_height="@dimen/nav_header_height"
android:background="@drawable/side_nav_bar"
android:gravity="bottom"
android:orientation="vertical"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
android:theme="@style/ThemeOverlay.AppCompat.Dark">
<ImageView
android:id="@+id/imageView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:paddingTop="@dimen/nav_header_vertical_spacing"
android:src="@android:drawable/sym_def_app_icon" />
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:paddingTop="@dimen/nav_header_vertical_spacing"
android:text="Android Studio"
android:textAppearance="@style/TextAppearance.AppCompat.Body1" />
<TextView
android:id="@+id/textView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="android.studio@android.com" />
</LinearLayout>
activity_main.xml中
<?xml version="1.0" encoding="utf-8"?>
<android.support.v4.widget.DrawerLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/drawer_layout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true"
tools:openDrawer="start">
<include
layout="@layout/app_bar_main"
android:layout_width="match_parent"
android:layout_height="match_parent" />
<android.support.design.widget.NavigationView
android:id="@+id/nav_view"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_gravity="start"
android:fitsSystemWindows="true"
app:headerLayout="@layout/nav_header_main"
app:menu="@menu/activity_main_drawer" />
</android.support.v4.widget.DrawerLayout>
MainActivity.Class
import android.os.Bundle;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.NavigationView;
import android.support.design.widget.Snackbar;
import android.support.v4.view.GravityCompat;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBarDrawerToggle;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.LinearLayout;
import android.widget.Toast;
public class MainActivity extends AppCompatActivity
implements NavigationView.OnNavigationItemSelectedListener {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
LinearLayout headerImageView= (LinearLayout) findViewById(R.id.headerView);
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
fab.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
.setAction("Action", null).show();
}
});
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.setDrawerListener(toggle);
toggle.syncState();
NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
navigationView.setNavigationItemSelectedListener(this);
}
@Override
public void onBackPressed() {
DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
if (drawer.isDrawerOpen(GravityCompat.START)) {
drawer.closeDrawer(GravityCompat.START);
} else {
super.onBackPressed();
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
//noinspection SimplifiableIfStatement
if (id == R.id.action_settings) {
Toast.makeText(getApplicationContext(),"working",Toast.LENGTH_LONG).show();
return true;
}
return super.onOptionsItemSelected(item);
}
@SuppressWarnings("StatementWithEmptyBody")
@Override
public boolean onNavigationItemSelected(MenuItem item) {
// Handle navigation view item clicks here.
int id = item.getItemId();
if (id == R.id.nav_camara) {
// Handle the camera action
} else if (id == R.id.nav_gallery) {
} else if (id == R.id.nav_slideshow) {
} else if (id == R.id.nav_manage) {
} else if (id == R.id.nav_share) {
} else if (id == R.id.nav_send) {
}
DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
drawer.closeDrawer(GravityCompat.START);
return true;
}
}
答案 0 :(得分:201)
NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
View hView = navigationView.getHeaderView(0);
TextView nav_user = (TextView)hView.findViewById(R.id.nav_name);
nav_user.setText(user);
希望这有帮助!
答案 1 :(得分:48)
如错误190226中所述,自版本23.1.0以来获取标题布局视图:
navigationView.findViewById(R.id.navigation_header_text)
不再有效。
解决方法是以编程方式对headerview进行膨胀,并从膨胀的标题视图中按ID查找视图。
例如:
View headerView = navigationView.inflateHeaderView(R.layout.navigation_header);
headerView.findViewById(R.id.navigation_header_text);
理想情况下应该有一个方法getHeaderView()
,但它已经被提出,让我们看看并等待它在设计支持库的功能版本中发布。
答案 2 :(得分:17)
不要使用代码通过膨胀布局
在xml add中添加标头View hView = navigationView.inflateHeaderView(R.layout.nav_header_main);
ImageView imgvw = (ImageView)hView.findViewById(R.id.imageView);
TextView tv = (TextView)hView.findViewById(R.id.textview);
imgvw .setImageResource();
tv.settext("new text");
答案 3 :(得分:5)
在Kotlin
val hView = nav_view.getHeaderView(0)
val textViewName = hView.findViewById(R.id.textViewName) as TextView
val textViewEmail = hView.findViewById(R.id.textViewEmail) as TextView
val imgvw = hView.findViewById(R.id.imageView) as ImageView
imgvw.setImageResource(R.drawable.ic_menu_gallery)
答案 4 :(得分:4)
这是我的代码 下面完美的工作 不要在NavigationView中添加标题 activity_main.xml中的标记
<include
layout="@layout/app_bar_main"
android:layout_width="match_parent"
android:layout_height="match_parent" />
<android.support.design.widget.NavigationView
android:id="@+id/nav_view"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_gravity="start"
android:fitsSystemWindows="true"
app:menu="@menu/activity_main_drawer"
app:itemBackground="@drawable/active_drawer_color" />
使用以下代码
以编程方式添加标头View navHeaderView = navigationView.inflateHeaderView(R.layout.nav_header_main);
headerUserName = (TextView) navHeaderView.findViewById(R.id.nav_header_username);
headerMobileNo = (TextView) navHeaderView.findViewById(R.id.nav_header_mobile);
headerMobileNo.setText("+918861899697");
headerUserName.setText("Anirudh R Huilgol");
答案 5 :(得分:4)
nav = ( NavigationView ) findViewById( R.id.navigation );
if( nav != null ){
LinearLayout mParent = ( LinearLayout ) nav.getHeaderView( 0 );
if( mParent != null ){
// Set your values to the image and text view by declaring and setting as you need to here.
SharedPreferences prefs = getSharedPreferences("user_data", MODE_PRIVATE);
String photoUrl = prefs.getString("photo_url", null);
String user_name = prefs.getString("name", "User");
if(photoUrl!=null) {
Log.e("Photo Url: ", photoUrl);
TextView userName = mParent.findViewById(R.id.user_name);
userName.setText(user_name);
ImageView user_imageView = mParent.findViewById(R.id.avatar);
RequestOptions requestOptions = new RequestOptions();
requestOptions.placeholder(R.drawable.ic_user_24dp);
requestOptions.error(R.drawable.ic_user_24dp);
Glide.with(this).load(photoUrl)
.apply(requestOptions).thumbnail(0.5f).into(user_imageView);
}
}
}
希望这有帮助。
答案 6 :(得分:4)
首先,您需要访问MainActivity(或调用活动)中的导航抽屉,如下所示:
NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
然后,您需要从activity_main.xml中删除标题布局,因为布局将以编程方式在MainActivity中膨胀。您的activity_main.xml应如下所示:
<?xml version="1.0" encoding="utf-8"?>
<android.support.v4.widget.DrawerLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/drawer_layout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true"
tools:openDrawer="start">
<include
layout="@layout/app_bar_main"
android:layout_width="match_parent"
android:layout_height="match_parent" />
<android.support.design.widget.NavigationView
android:id="@+id/nav_view"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_gravity="start"
android:fitsSystemWindows="true"
app:menu="@menu/activity_main_drawer" />
</android.support.v4.widget.DrawerLayout>
然后在您的MainActivity中,我们对nav_header_main布局进行充气并访问其视图,在本例中为ImageView和TextView
//inflate header layout
View navView = navigationView.inflateHeaderView(R.layout.nav_header_main);
//reference to views
ImageView imgvw = (ImageView)navView.findViewById(R.id.imageView);
TextView tv = (TextView)navView.findViewById(R.id.textview);
//set views
imgvw.setImageResource(R.drawable.your_image);
tv.setText("new text");
navigationView.setNavigationItemSelectedListener(this);
您可以阅读更多here
答案 7 :(得分:2)
我知道这是一个很老的帖子,但我相信这可能有助于有人在路上。
您可以通过执行以下操作简单地获取导航视图的headerView元素:
NavigationView mView = ( NavigationView ) findViewById( R.id.nav_view );
if( mView != null ){
LinearLayout mParent = ( LinearLayout ) mView.getHeaderView( 0 );
if( mParent != null ){
// Set your values to the image and text view by declaring and setting as you need to here.
}
}
我希望这有助于某人。
答案 8 :(得分:1)
它和旧帖子,但它对我来说是新的。所以,它是直截了当的! 在这部分代码中:
public boolean onNavigationItemSelected(MenuItem item) {
} ,我将ImageView绑定到LinearLayout,其中包含下面列出的示例中的ImageView。记住:它与您开始新项目时获得的代码相同,并选择模板&#34;导航抽屉活动&#34;:
<ImageView
android:id="@+id/imageView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:paddingTop="@dimen/nav_header_vertical_spacing"
android:src="@android:drawable/sym_def_app_icon" />
我在nav_header_main.xml中提供了LinearLayout和ID(在我的情况下,我选择了&#39; navigation_header_container&#39;,所以就这样:
LinearLayout lV = (LinearLayout) findViewById(R.id.navigation_header_container);
ivCloseDrawer = (ImageView) lV.findViewById(R.id.imageView);
ivCloseDrawer.setOnClickListener(new View.OnClickListener()
{
@Override
public void onClick(View v)
{
drawer.closeDrawer(GravityCompat.START);
}
});
注意:在onCreate(MainActivity)之前,我在顶部声明了一个私有的ImageView ivCloseDrawer。
工作得很好! 希望能帮助到你, 最诚挚的问候。
答案 9 :(得分:1)
FirebaseAuth firebaseauth = FirebaseAuth.getInstance();
NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view); //displays text of header of nav drawer.
View headerview = navigationView.getHeaderView(0);
TextView tt1 = (TextView) headerview.findViewById(R.id.textview_username);
tt1.setText(firebaseauth.getCurrentUser().getDisplayName());//username of logged in user.
TextView tt = (TextView) headerview.findViewById(R.id.textView_emailid);
tt.setText(firebaseauth.getCurrentUser().getEmail()); //email id of logged in user.
final ImageView img1 = (ImageView) headerview.findViewById(R.id.imageView_userimage);
Glide.with(getApplicationContext())
.load(firebaseauth.getCurrentUser().getPhotoUrl()).asBitmap().atMost().error(R.drawable.ic_selfie_point_icon) //asbitmap after load always.
.into(new SimpleTarget<Bitmap>() {
@Override
public void onResourceReady(Bitmap resource, GlideAnimation<? super Bitmap> glideAnimation) {
img1.setImageBitmap(resource);
}
});
我已经用一些逻辑自己编写了这段代码...它可以100%工作..... pls可以提高我的回答。
textview和imageview来自@ layout / nav_header_main.xml
答案 10 :(得分:1)
val set_arr=arr.toSet
set_arr: scala.collection.immutable.Set[String] = Set(Complete, ISRM, Development, In Queue, Internally, Development Done/ Eng testing, Analyze, In-Progress, Development Ready, Externally)
//union example
set_arr.union(set2)
//intersection example
set_arr.intersect(set2)
这将解决您的问题<3
答案 11 :(得分:1)
如果您正在使用绑定,则可以这样做
val headerView = binding.navView.getHeaderView(0)
val headerBinding = NavDrawerHeaderBinding.bind(headerView)
headerBinding.textView.text = "Your text here"
答案 12 :(得分:0)
编辑:适用于设计库最高23.0.1但不适用于23.1.0
在主布局xml中,您将定义NavigationView
,在其中使用app:headerLayout
来设置标题视图。
<android.support.design.widget.NavigationView
android:id="@+id/navigation_view"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_gravity="start"
app:headerLayout="@layout/nav_drawer_header"
app:menu="@menu/navigation_drawer_menu" />
@layout/nav_drawer_header
将成为图像和文本的占位符。
<强> nav_drawer_header.xml
强>
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="170dp"
android:orientation="vertical">
<RelativeLayout
android:id="@+id/headerRelativeLayout"
android:layout_width="match_parent"
android:layout_height="match_parent">
<ImageView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:scaleType="fitXY"
android:src="@drawable/background" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="@dimen/action_bar_size"
android:layout_alignParentBottom="true"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:background="#40000000"
android:gravity="center"
android:orientation="horizontal"
android:paddingBottom="5dp"
android:paddingLeft="16dp"
android:paddingRight="10dp"
android:paddingTop="5dp">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginLeft="35dp"
android:orientation="vertical"
android:weightSum="2">
<TextView
android:id="@+id/navHeaderTitle"
android:layout_width="wrap_content"
android:layout_height="0dp"
android:layout_weight="1"
android:textAppearance="?android:attr/textAppearanceMedium"
android:textColor="@android:color/white" />
<TextView
android:id="@+id/navHeaderSubTitle"
android:layout_width="wrap_content"
android:layout_height="0dp"
android:layout_weight="1"
android:textAppearance="?android:attr/textAppearanceSmall"
android:textColor="@android:color/white" />
</LinearLayout>
</LinearLayout>
</RelativeLayout>
</LinearLayout>
在您的主要课程中,您可以像处理正常的其他观点一样处理Imageview
和TextView
。
TextView navHeaderTitle = (TextView) findViewById(R.id.navHeaderTitle);
navHeaderTitle.setText("Application Name");
TextView navHeaderSubTitle = (TextView) findViewById(R.id.navHeaderSubTitle);
navHeaderSubTitle.setText("Application Caption");
希望这有帮助。
答案 13 :(得分:0)
NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
navigationView.addHeaderView(yourview);
答案 14 :(得分:0)
您还可以使用Kotlinx功能
val hView = nav_view.getHeaderView(0)
hView.textViewName.text = "lorem ipsum"
hView.imageView.setImageResource(R.drawable.ic_menu_gallery)
答案 15 :(得分:0)
这是您可以用来获取标题视图并自动设置数据的方法
val headerView: View? = navigationView.getHeaderView(0) // Index of the added headerView
// Now you can access child views of the header view
val titleTextView: TextView? = headerView?.findViewById(R.id.titleTextView)