我很快就会成为自学成才的软件开发人员，我还在学习。我试图制作导航抽屉。我的问题是当我在NavigationView Ex：app：headerLayout＆＃34; @ layout / headerLayout＆＃34;中添加headerLayout时，我的应用程序在启动时一直崩溃。当我删除headerLayout时，该应用程序完全正常。但该应用程序在Android工作室预览模拟器上看起来很好，但是当我在genymotion中运行应用程序时，它在启动时崩溃。我甚至试图在genymotion中以不同的API级别运行应用程序，但它仍然崩溃。谢谢你的助手。
Manifest File:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.android.drawer">
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:roundIcon="@mipmap/ic_launcher_round"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<activity android:name=".MainActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
build.gradle(Module: app)
apply plugin: 'com.android.application'
android {
compileSdkVersion 26
defaultConfig {
applicationId "com.example.android.drawer"
minSdkVersion 23
targetSdkVersion 26
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-v7:26.1.0'
implementation 'com.android.support:design:26.1.0'
implementation 'com.android.support.constraint:constraint-layout:1.0.2'
testImplementation 'junit:junit:4.12'
androidTestImplementation 'com.android.support.test:runner:0.5'
androidTestImplementation 'com.android.support.test.espresso:espresso-core:2.2.2'
}
activity_main.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:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.example.android.drawer.MainActivity">
<android.support.design.widget.NavigationView
android:fitsSystemWindows="true"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:background="@color/white"
android:layout_gravity="left"
app:itemTextColor="@color/darkgray"
app:headerLayout="@layout/header"
app:itemIconTint="@color/darkgray"
app:menu="@menu/drawermenu">
</android.support.design.widget.NavigationView>
</android.support.v4.widget.DrawerLayout>
MainActivity.class
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}}
drawermenu.xml
<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android">
<item
android:title="Dashboard"
android:id="@+id/dashboard"
android:icon="@drawable/ic_dashboard_black_24px"/>
<item
android:title="Event"
android:id="@+id/event"
android:icon="@drawable/ic_event_black_24px"/>
<item
android:title="Search"
android:id="@+id/search"
android:icon="@drawable/ic_search_black_24px"/>
<item
android:title="Settings"
android:id="@+id/settings"
android:icon="@drawable/ic_settings_black_24px"/>
<item
android:title="activities"
android:id="@+id/Activities"
android:icon="@drawable/ic_account_circle_black_24px"/>
<item
android:title="Logout"
android:id="@+id/logout"
android:icon="@drawable/ic_lock_black_24px"/>
</menu>
header.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="160dp"
android:background="@drawable/fractal"
android:padding="10dp">
<ImageView
app:srcCompat="@drawable/hell"
android:layout_width="75dp"
android:layout_height="75dp"/>
<TextView
android:layout_width="80dp"
android:layout_height="wrap_content"
android:text="@string/myName"
android:textStyle="bold"
android:textColor="@color/white"
android:layout_marginTop="5dp"/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/yourEmail"
android:textStyle="bold"
android:textColor="@color/white"
android:layout_marginTop="5dp"/>
</LinearLayout>
StackTrace of crash:
01-22 17:57:31.293 1706-1706/com.example.android.drawer E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.example.android.drawer, PID: 1706
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.android.drawer/com.example.android.drawer.MainActivity}: android.view.InflateException: Binary XML file line #0: Binary XML file line #0: Error inflating class android.support.design.widget.NavigationView
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2646)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2707)
at android.app.ActivityThread.-wrap12(ActivityThread.java)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1460)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:154)
at android.app.ActivityThread.main(ActivityThread.java:6077)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:865)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:755)
Caused by: android.view.InflateException: Binary XML file line #0: Binary XML file line #0: Error inflating class android.support.design.widget.NavigationView
Caused by: android.view.InflateException: Binary XML file line #0: Error inflating class android.support.design.widget.NavigationView
Caused by: java.lang.reflect.InvocationTargetException
at java.lang.reflect.Constructor.newInstance0(Native Method)
at java.lang.reflect.Constructor.newInstance(Constructor.java:430)
at android.view.LayoutInflater.createView(LayoutInflater.java:645)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:787)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:727)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:858)
at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:821)
at android.view.LayoutInflater.inflate(LayoutInflater.java:518)
at android.view.LayoutInflater.inflate(LayoutInflater.java:426)
at android.view.LayoutInflater.inflate(LayoutInflater.java:377)
at android.support.v7.app.AppCompatDelegateImplV9.setContentView(AppCompatDelegateImplV9.java:287)
at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:139)
at com.example.android.drawer.MainActivity.onCreate(MainActivity.java:17)
at android.app.Activity.performCreate(Activity.java:6664)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1118)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2599)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2707)
at android.app.ActivityThread.-wrap12(ActivityThread.java)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1460)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:154)
at android.app.ActivityThread.main(ActivityThread.java:6077)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:865)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:755)
Caused by: android.view.InflateException: Binary XML file line #0: Binary XML file line #0: Error inflating class <unknown>
Caused by: android.view.InflateException: Binary XML file line #0: Error inflating class <unknown>
Caused by: java.lang.reflect.InvocationTargetException
at java.lang.reflect.Constructor.newInstance0(Native Method)
at java.lang.reflect.Constructor.newInstance(Constructor.java:430)
at android.view.LayoutInflater.createView(LayoutInflater.java:645)
at com.android.internal.policy.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:58)
at android.view.LayoutInflater.onCreateView(LayoutInflater.java:717)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:785)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:727)
at android.view.LayoutInflater.inflate(LayoutInflater.java:495)
at android.view.LayoutInflater.inflate(LayoutInflater.java:426)
01-22 17:57:31.297 1706-1706/com.example.android.drawer E/AndroidRuntime: at android.support.design.internal.NavigationMenuPresenter.inflateHeaderView(NavigationMenuPresenter.java:211)
at android.support.design.widget.NavigationView.inflateHeaderView(NavigationView.java:267)
at android.support.design.widget.NavigationView.<init>(NavigationView.java:176)
at android.support.design.widget.NavigationView.<init>(NavigationView.java:98)
at java.lang.reflect.Constructor.newInstance0(Native Method)
at java.lang.reflect.Constructor.newInstance(Constructor.java:430)
at android.view.LayoutInflater.createView(LayoutInflater.java:645)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:787)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:727)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:858)
at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:821)
at android.view.LayoutInflater.inflate(LayoutInflater.java:518)
at android.view.LayoutInflater.inflate(LayoutInflater.java:426)
at android.view.LayoutInflater.inflate(LayoutInflater.java:377)
at android.support.v7.app.AppCompatDelegateImplV9.setContentView(AppCompatDelegateImplV9.java:287)
at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:139)
at com.example.android.drawer.MainActivity.onCreate(MainActivity.java:17)
at android.app.Activity.performCreate(Activity.java:6664)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1118)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2599)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2707)
at android.app.ActivityThread.-wrap12(ActivityThread.java)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1460)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:154)
at android.app.ActivityThread.main(ActivityThread.java:6077)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:865)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:755)
Caused by: java.lang.OutOfMemoryError: Failed to allocate a 432000012 byte allocation with 6111604 free bytes and 87MB until OOM
at dalvik.system.VMRuntime.newNonMovableArray(Native Method)
at android.graphics.BitmapFactory.nativeDecodeAsset(Native Method)
at android.graphics.BitmapFactory.decodeStream(BitmapFactory.java:620)
at android.graphics.BitmapFactory.decodeResourceStream(BitmapFactory.java:455)
at android.graphics.drawable.Drawable.createFromResourceStream(Drawable.java:1152)
at android.content.res.ResourcesImpl.loadDrawableForCookie(ResourcesImpl.java:720)
at android.content.res.ResourcesImpl.loadDrawable(ResourcesImpl.java:571)
at android.content.res.Resources.loadDrawable(Resources.java:854)
at android.content.res.TypedArray.getDrawable(TypedArray.java:928)
at android.view.View.<init>(View.java:4174)
at android.view.ViewGroup.<init>(ViewGroup.java:578)
at android.widget.LinearLayout.<init>(LinearLayout.java:211)
at android.widget.LinearLayout.<init>(LinearLayout.java:207)
at android.widget.LinearLayout.<init>(LinearLayout.java:203)
... 38 more
答案 0 :(得分：0)
如果你向下看堆栈跟踪，你会发现这一行：
Caused by: java.lang.OutOfMemoryError: Failed to allocate a 432000012 byte allocation with 6111604 free bytes and 87MB until OOM
我从未使用过GenyMotion，但他们的文档在查找VM的内存增加时会显示： https://docs.genymotion.com/Content/03_Virtual_Devices/Managing_virtual_devices/Configuring_a_virtual_device.htm?Highlight=memory