Java 如何在fragment中使用Android webview
HomeFragment.javaJava 如何在fragment中使用Android webview,java,android,xml,webview,fragment,Java,Android,Xml,Webview,Fragment,HomeFragment.java package com.example.starcitizen.fragment; import android.os.Bundle; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.webkit.WebView; import androidx.fragment.app.Fragment;
package com.example.starcitizen.fragment;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.webkit.WebView;
import androidx.fragment.app.Fragment;
import com.example.starcitizen.R;
public class HomeFragment extends Fragment {
public HomeFragment(){ }
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState){
View rootView = inflater.inflate(R.layout.fragment_home, container, false);
String url = "http://google.com";
WebView view = (WebView) rootView.findViewById(R.id.home_webview);
view.getSettings().setJavaScriptEnabled(true);
view.loadUrl(url);
return rootView ;
}
}
你的家
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.example.starcitizen.fragment.HomeFragment">
<WebView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/home_webview"
android:layout_alignParentTop="true"
android:layout_alignParentStart="true"
android:layout_alignParentBottom="true"
android:layout_alignParentEnd="true" />
</RelativeLayout>
对不起,我英语不好。所以在翻译的帮助下。。。
我第一次问stackoverflow
我正在为韩国人开发一个应用程序。但我在片段中有一些问题 如果输入网络视图,应用程序将在不运行的情况下关闭 请帮帮我 添加logcat
11-15 20:00:31.465 3666-3666/com.example.starcitizene E/AndroidRuntime:致命异常:main 进程:com.example.starcitizen,PID:3666 java.lang.RuntimeException:无法启动activity ComponentInfo{com.example.starcitizen/com.example.starcitizen.MainActivity}:android.view.InflateException:二进制XML文件行#8:膨胀类android.webkit.WebView时出错 在android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2325)上 位于android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2387) 在android.app.ActivityThread.access$800(ActivityThread.java:151) 在android.app.ActivityThread$H.handleMessage(ActivityThread.java:1303)上 位于android.os.Handler.dispatchMessage(Handler.java:102) 位于android.os.Looper.loop(Looper.java:135) 位于android.app.ActivityThread.main(ActivityThread.java:5254) 位于java.lang.reflect.Method.invoke(本机方法) 位于java.lang.reflect.Method.invoke(Method.java:372) 在com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run上(ZygoteInit.java:905) 位于com.android.internal.os.ZygoteInit.main(ZygoteInit.java:700) 原因:android.view.InflateException:二进制XML文件行#8:对类android.webkit.WebView进行充气时出错 在android.view.LayoutInflater.createView(LayoutInflater.java:633) 在com.android.internal.policy.impl.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:55)上 位于android.view.LayoutInflater.onCreateView(LayoutInflater.java:682) 位于android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:741) 位于android.view.LayoutInflater.rInflate(LayoutInflater.java:806) 在android.view.LayoutInflater.充气(LayoutInflater.java:504) 在android.view.LayoutInflater.inflate(LayoutInflater.java:414) 位于com.example.starcitizen.fragment.HomeFragment.onCreateView(HomeFragment.java:18) 位于androidx.fragment.app.fragment.performCreateView(fragment.java:2600) 位于androidx.fragment.app.FragmentManagerImpl.moveToState(FragmentManagerImpl.java:881) 在androidx.fragment.app.FragmentManagerImpl.AddAddAddedFragments上(FragmentManagerImpl.java:2100) 位于androidx.fragment.app.FragmentManagerImpl.ExecuteOptoGether(FragmentManagerImpl.java:1874) 在androidx.fragment.app.FragmentManagerImpl.RemovedAndTopOperationsAndExecute(FragmentManagerImpl.java:1830) 位于androidx.fragment.app.FragmentManagerImpl.ExecutPendingActions(FragmentManagerImpl.java:1727) 位于androidx.fragment.app.FragmentManagerImpl.dispatchStateChange(FragmentManagerImpl.java:2663) 位于androidx.fragment.app.FragmentManagerImpl.dispatchActivityCreated(FragmentManagerImpl.java:2613) 位于androidx.fragment.app.fragment.performActivityCreated(fragment.java:2624) 位于androidx.fragment.app.FragmentManagerImpl.moveToState(FragmentManagerImpl.java:904) 在androidx.fragment.app.FragmentManagerImpl.moveFragmentToExpectedState(FragmentManagerImpl.java:1238) 位于androidx.fragment.app.FragmentManagerImpl.moveToState(FragmentManagerImpl.java:1303) 位于androidx.fragment.app.FragmentManagerImpl.dispatchStateChange(FragmentManagerImpl.java:2659) 位于androidx.fragment.app.FragmentManagerImpl.dispatchActivityCreated(FragmentManagerImpl.java:2613) 位于androidx.fragment.app.FragmentController.dispatchActivityCreated(FragmentController.java:246) 位于androidx.fragment.app.FragmentActivity.onStart(FragmentActivity.java:542) 在androidx.appcompat.app.AppCompatActivity.onStart(AppCompatActivity.java:201)上 位于android.app.Instrumentation.callActivityOnStart(Instrumentation.java:1236) 在android.app.Activity.performStart上(Activity.java:6006) 在android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2288)上 位于android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2387) 在android.app.ActivityThread.access$800(ActivityThread.java:151) 在android.app.ActivityThread$H.handleMessage(ActivityThread.java:1303)上 位于android.os.Handler.dispatchMessage(Handler.java:102) 位于android.os.Looper.loop(Looper.java:135) 位于android.app.ActivityThread.main(ActivityThread.java:5254) 位于java.lang.reflect.Method.invoke(本机方法) 位于java.lang.reflect.Method.invoke(Method.java:372) 在com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run上(ZygoteInit.java:905) 位于com.android.internal.os.ZygoteInit.main(ZygoteInit.java:700) 原因:java.lang.reflect.InvocationTargetException 位于java.lang.reflect.Constructor.newInstance(本机方法) 位于java.lang.reflect.Constructor.newInstance(Constructor.java:288) 位于android.view.LayoutInflater.createView(LayoutInflater.java:607) 在com.android.internal.policy.impl.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:55)上 位于android.view.LayoutInflater.onCreateView(LayoutInflater.java:682) 位于android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:741) 位于android.view.LayoutInflater.rInflate(LayoutInflater.java:806) 在android.view.LayoutInflater.充气(LayoutInflater.java:504) 在android.view.LayoutInflater.inflate(LayoutInflater.java:414) 位于com.example.starcitizen.fragment.HomeFragment.onCreateView(HomeFragment.java:18) 位于androidx.fragment.app.fragment.performCreateView(fragment.java:2600) 在androidx.fragment.app.FragmentManagerImpl.moveToSta
package com.example.starcitizen;
import android.os.Bundle;
import androidx.navigation.NavController;
import androidx.navigation.Navigation;
import androidx.navigation.ui.AppBarConfiguration;
import androidx.navigation.ui.NavigationUI;
import com.google.android.material.navigation.NavigationView;
import androidx.drawerlayout.widget.DrawerLayout;
import androidx.appcompat.app.AppCompatActivity;
import androidx.appcompat.widget.Toolbar;
import android.view.Menu;
public class MainActivity extends AppCompatActivity {
private AppBarConfiguration mAppBarConfiguration;
@Override
protected void onCreate(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
DrawerLayout drawer = findViewById(R.id.drawer_layout);
NavigationView navigationView = findViewById(R.id.nav_view);
// Passing each menu ID as a set of Ids because each
// menu should be considered as top level destinations.
mAppBarConfiguration = new AppBarConfiguration.Builder(
R.id.nav_home, R.id.nav_guide, R.id.nav_maps,
R.id.nav_ships, R.id.nav_weapons, R.id.nav_mission)
.setDrawerLayout(drawer)
.build();
NavController navController = Navigation.findNavController(this, R.id.nav_host_fragment);
NavigationUI.setupActionBarWithNavController(this, navController, mAppBarConfiguration);
NavigationUI.setupWithNavController(navigationView, navController);
}
@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 onSupportNavigateUp() {
NavController navController = Navigation.findNavController(this, R.id.nav_host_fragment);
return NavigationUI.navigateUp(navController, mAppBarConfiguration)
|| super.onSupportNavigateUp();
}
}
<?xml version="1.0" encoding="utf-8"?>
<androidx.drawerlayout.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" />
<com.google.android.material.navigation.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" />
</androidx.drawerlayout.widget.DrawerLayout>
<uses-permission android:name="android.permission.INTERNET" />
view.setWebViewClient(new WebViewClient());
final String source = "http://google.com";
final WebView webView = (WebView) rootView.findViewById(R.id.home_webview);
//webView.loadUrl(url);
webView.getSettings().setJavaScriptEnabled(true);
webView.setWebViewClient(new WebViewClient() {
@Override
public void onPageStarted(WebView view, String url, Bitmap favicon) {
//Do some like progress bar loading here.
}
@Override
public void onPageFinished(WebView view, String url) {
webView.loadUrl(source);
}
});