Question

我从头到尾都遵循了教程，但是仍然出现此错误。由于此错误，我已经重新启动了项目。每当我尝试运行它时，应用程序就会崩溃，并在logcat中显示此错误：

“原因：android.view.InflateException：二进制XML文件第32行：二进制XML文件第32行：膨胀类android.support.design.widget.NavigationView时出错”。

我将发布主要活动的类和xml文件，字符串，样式，drawer_menu xml和nav.header.xml文件以及gradle文件。我实际上试图了解其他人如何解决他们的问题，但似乎找不到我的解决方案。感谢您的关注和帮助！谢谢大家。如果我需要提供更多代码，请随时询问！：-）

主要活动课程

package com.example.samuel.a2;

import android.support.v4.view.GravityCompat;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBar;
import android.support.v7.app.ActionBarDrawerToggle;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.support.v7.widget.Toolbar;

public class MainActivity extends AppCompatActivity {
private DrawerLayout drawer;


@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

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

    drawer = 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.syncState();
}

@Override
public void onBackPressed() {
    if (drawer.isDrawerOpen(GravityCompat.START)) {
        drawer.closeDrawer(GravityCompat.START);
    } else {
        super.onBackPressed();
    }
}
}

主要活动XML

<?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:context=".MainActivity"
tools:openDrawer="start">

<LinearLayout
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">

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

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

<android.support.design.widget.NavigationView
    android:id="@+id/nav_view"
    android:layout_width="wrap_content"
    android:layout_height="match_parent"
    android:layout_gravity="start"
    app:headerLayout="@layout/nav_header"
    app:menu="@menu/drawer_menu" />

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

样式XML

<resources>

<!-- Base application theme. -->
<style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
    <!-- Customize your theme here. -->
    <item name="colorPrimary">@color/colorPrimary</item>
    <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
    <item name="colorAccent">@color/colorAccent</item>
    <item name="android:statusBarColor">@android:color/transparent</item>
</style>

</resources>

字符串XML

<resources>
<string name="app_name">A2</string>
<string name="navigation_drawer_open">Open navigation drawer</string>
<string name="navigation_drawer_close">Close navigation drawer</string>
</resources>

Drawer_Menu XML

<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
tools:showIn="navigation_view">

<group android:checkableBehavior="single">
    <item android:id="@+id/nav_dashboard"
        android:icon="@drawable/ic_dashboard_black_24dp"
        android:title="Dashboard" />
    <item android:id="@+id/nav_incman"
        android:icon="@drawable/ic_error_outline_black_24dp"
        android:title="Incident Management" />
    <item android:id="@+id/nav_settings"
        android:icon="@drawable/ic_settings_black_24dp"
        android:title="Settings" />
    <item android:id="@+id/nav_logout"
        android:icon="@drawable/ic_exit_to_app_black_24dp"
        android:title="Logout" />
</group>

</menu>

Nav.header XML

<?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="176dp"
android:background="@drawable/gradient"
android:gravity="bottom"
android:orientation="vertical"
android:padding="16dp"
android:theme="@style/ThemeOverlay.AppCompat.Dark">

<ImageView
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:src="@mipmap/ic_launcher_round" />

<TextView
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:paddingTop="8dp"
    android:text="Just A Test"
    android:textAppearance="@style/TextAppearance.AppCompat.Body1" />

<TextView
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="test@gmail.com" />
</LinearLayout>

Gradle（模块：app）

apply plugin: 'com.android.application'

android {
compileSdkVersion 28
defaultConfig {
    applicationId "com.example.samuel.a2"
    minSdkVersion 21
    targetSdkVersion 28
    versionCode 1
    versionName "1.0"
    testInstrumentationRunner 
"android.support.test.runner.AndroidJUnitRunner"
}
buildTypes {
    release {
        minifyEnabled false
        proguardFiles getDefaultProguardFile('proguard-android.txt'), 
'proguard-rules.pro'
    }
}
}

dependencies {
implementation fileTree(dir: 'libs', include: ['*.jar'])
implementation 'com.android.support:appcompat-v7:28.0.0'
implementation 'com.android.support:design:28.0.0'
implementation 'com.android.support.constraint:constraint-layout:1.1.3'
testImplementation 'junit:junit:4.12'
androidTestImplementation 'com.android.support.test:runner:1.0.2'
androidTestImplementation 'com.android.support.test.espresso:espresso- 
core:3.0.2'
}

等级：（项目）

// Top-level build file where you can add configuration options common to 
all sub-projects/modules.

buildscript {

repositories {
    google()
    jcenter()
}
dependencies {
    classpath 'com.android.tools.build:gradle:3.2.0'


    // NOTE: Do not place your application dependencies here; they belong
    // in the individual module build.gradle files
}
}

allprojects {
repositories {
    google()
    jcenter()
}
}

task clean(type: Delete) {
delete rootProject.buildDir
}

Answer 1

当android.support.design.widget.NavigationView膨胀时崩溃时，很可能nav_header.xml或drawer_menu.xml包含错误-或可能缺少资源。

由android.view.InflateException和NavigationView错误引起的错误

1 个答案: