Android:StackOverFlowError,膨胀布局时带有InvocationTargetException
首先,对不起我的英语。充气布局时,我有一个问题: 我有一个自定义视图,从线性布局扩展而来,称为ButtonHelp。我在名为LoadingActivity的布局中使用该视图。我下面的代码在所有设备和模拟器上都能完美工作,除了三星Galaxy Y等QVGA屏幕的设备和模拟器外,还有以下错误:Android:StackOverFlowError,膨胀布局时带有InvocationTargetException,android,android-layout,Android,Android Layout,首先,对不起我的英语。充气布局时,我有一个问题: 我有一个自定义视图,从线性布局扩展而来,称为ButtonHelp。我在名为LoadingActivity的布局中使用该视图。我下面的代码在所有设备和模拟器上都能完美工作,除了三星Galaxy Y等QVGA屏幕的设备和模拟器外,还有以下错误: FATAL EXCEPTION: main java.lang.RuntimeException: Unable to start activity ComponentInfo{com.myapp/com
FATAL EXCEPTION: main
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.myapp/com.myapp.LoadingActivity}: android.view.InflateException: Binary XML file line #45: Error inflating class com.myapp.customviews.ButtonHelp
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1647)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1663)
at android.app.ActivityThread.access$1500(ActivityThread.java:117)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:931)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:123)
at android.app.ActivityThread.main(ActivityThread.java:3683)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:507)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
at dalvik.system.NativeStart.main(Native Method)
Caused by: android.view.InflateException: Binary XML file line #45: Error inflating class com.myapp.customviews.ButtonHelp
at android.view.LayoutInflater.createView(LayoutInflater.java:518)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:570)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:623)
at android.view.LayoutInflater.inflate(LayoutInflater.java:408)
at android.view.LayoutInflater.inflate(LayoutInflater.java:320)
at android.view.LayoutInflater.inflate(LayoutInflater.java:276)
at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:207)
at android.app.Activity.setContentView(Activity.java:1657)
at com.myapp.LoadingActivity.onCreate(LoadingActivity.java:45)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1611)
... 11 more
Caused by: java.lang.reflect.InvocationTargetException
at java.lang.reflect.Constructor.constructNative(Native Method)
at java.lang.reflect.Constructor.newInstance(Constructor.java:415)
at android.view.LayoutInflater.createView(LayoutInflater.java:505)
... 21 more
Caused by: android.view.InflateException: Binary XML file line #7: Error inflating class android.widget.ImageButton
at android.view.LayoutInflater.createView(LayoutInflater.java:518)
at com.android.internal.policy.impl.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:56)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:568)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:623)
at android.view.LayoutInflater.inflate(LayoutInflater.java:408)
at android.view.LayoutInflater.inflate(LayoutInflater.java:320)
at android.view.LayoutInflater.inflate(LayoutInflater.java:276)
at com.myapp.customviews.ButtonHelp.initLayout(ButtonHelp.java:29)
at com.myapp.customviews.ButtonHelp.<init>(ButtonHelp.java:17)
... 24 more
Caused by: java.lang.reflect.InvocationTargetException
at java.lang.reflect.Constructor.constructNative(Native Method)
at java.lang.reflect.Constructor.newInstance(Constructor.java:415)
at android.view.LayoutInflater.createView(LayoutInflater.java:505)
... 32 more
Caused by: java.lang.StackOverflowError
at android.util.LongSparseArray.get(LongSparseArray.java:79)
at android.content.res.Resources.getCachedDrawable(Resources.java:1746)
at android.content.res.Resources.loadDrawable(Resources.java:1664)
at android.content.res.Resources.getDrawable(Resources.java:581)
at android.graphics.drawable.StateListDrawable.inflate(StateListDrawable.java:162)
at android.graphics.drawable.Drawable.createFromXmlInner(Drawable.java:787)
at android.graphics.drawable.Drawable.createFromXml(Drawable.java:728)
at android.content.res.Resources.loadDrawable(Resources.java:1694)
at android.content.res.Resources.getDrawable(Resources.java:581)
at android.graphics.drawable.StateListDrawable.inflate(StateListDrawable.java:162)
at android.graphics.drawable.Drawable.createFromXmlInner(Drawable.
为什么会发生在QVGA模拟器/设备上
供参考:
- 我只有屏幕320x480的图像资源
- 按钮帮助布局:
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="wrap_content" android:layout_height="wrap_content" android:orientation="vertical" > <ImageButton android:id="@+id/btnhelp_help" android:layout_width="40dp" android:layout_height="40dp" android:layout_marginLeft="5dp" android:layout_marginRight="5dp" android:layout_marginTop="5dp" android:background="@drawable/loading_button_help" android:src="@drawable/loading_icon_help" /> </LinearLayout>
- 按钮Help用于加载活动:
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/RelativeLayout1" android:layout_width="match_parent" android:layout_height="match_parent" android:background="@drawable/loading_background" android:orientation="vertical" > ... <com.myapp.customviews.ButtonHelp android:id="@+id/loading_help" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentRight="true" android:layout_alignParentTop="true" /> ... </RelativeLayout>
而
只是一个PNG图像。在加载按钮\u help.xml中,您使用@drawable/loading按钮\u help吗?我想你有循环引用。尝试重命名您的xml或图像文件。什么是加载图标\u help
和加载按钮\u帮助
drawables?@a.ch加载图标\u帮助
:是一个可绘制的xml,用于定义按钮状态,loading_button_help
是一个可绘制的图像。您能提供他们的xml吗?@a.ch。我已经在问题正文中更新了它们。谢谢@appserv。我的错,不知道为什么我第一次没有注意到。loading_icon_help
public class ButtonHelp extends LinearLayout { private ImageButton mHelp; public ButtonHelp(Context context, AttributeSet attrs) { super(context, attrs); initLayout(); initControls(); } public ButtonHelp(Context context) { super(context); initLayout(); initControls(); } private void initLayout() { LayoutInflater inflater = (LayoutInflater) getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE); inflater.inflate(R.layout.btn_help, this); } private void initControls() { mHelp = (ImageButton) findViewById(R.id.btnhelp_help); } public void setOnClickListener(View.OnClickListener listener) { mHelp.setOnClickListener(listener); } }
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/RelativeLayout1" android:layout_width="match_parent" android:layout_height="match_parent" android:background="@drawable/loading_background" android:orientation="vertical" > ... <com.myapp.customviews.ButtonHelp android:id="@+id/loading_help" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentRight="true" android:layout_alignParentTop="true" /> ... </RelativeLayout>
<?xml version="1.0" encoding="utf-8"?> <selector xmlns:android="http://schemas.android.com/apk/res/android"> <item android:state_window_focused="false" android:state_enabled="true" android:drawable="@drawable/loading_button_help" /> <!-- Normal --> <item android:state_window_focused="false" android:state_enabled="false" android:drawable="@drawable/loading_button_help" /> <!-- Normal disable --> <item android:state_pressed="true" android:drawable="@drawable/loading_button_help_press" /> <!-- pressed --> <item android:state_focused="true" android:state_enabled="true" android:drawable="@drawable/loading_button_help" /> <!-- selected --> <item android:state_enabled="true" android:drawable="@drawable/loading_button_help" /> <!-- normal --> <item android:state_focused="true" android:drawable="@drawable/loading_button_help" /> <!-- normal disable focused --> <item android:drawable="@drawable/loading_button_help" /> <!-- normal disable --> </selector>