在弹出菜单 "InvocationTargetException" 中出现 运行 时间错误
Getting a run time error in popup menu "InvocationTargetException"
在我的应用程序中，我想显示弹出菜单，我试过了，但出现 运行 时间错误，无法修复此问题 error.In 我不想使用我的应用程序一个 ActionBar，我附上下面的代码看看它
HomeScreen.class
public class HomeScreen extends Activity {
TextView reg;
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_home_screen);
}
public void popUpMenu(View v) {
// TODO Auto-generated method stub
PopupMenu popup= new PopupMenu(getApplicationContext(), v);
popup.getMenuInflater().inflate(R.menu.popup_menu, popup.getMenu());
popup.setOnMenuItemClickListener(new PopupMenu.OnMenuItemClickListener() {
@Override
public boolean onMenuItemClick(MenuItem item) {
Toast.makeText(HomeScreen.this,"You Clicked : " + item.getTitle(),Toast.LENGTH_SHORT).show();
return true;
}
});
popup.show();
}
}
activity_home_screen.xml
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@drawable/splash_backronud"
android:orientation="vertical" >
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="48dp"
android:background="#959595"
android:orientation="horizontal" >
<ImageView
android:layout_width="40dp"
android:layout_height="40dp"
android:layout_marginLeft="10dp"
android:layout_marginTop="3dp"
android:background="@drawable/icon" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal|center_vertical"
android:layout_marginLeft="25dp"
android:text="@string/app_name"
android:textColor="#ffffff"
android:textSize="18sp"
android:textStyle="bold" />
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="48dp"
android:gravity="right"
android:orientation="horizontal" >
<ImageView
android:layout_width="30dp"
android:layout_height="30dp"
android:layout_gravity="center"
android:layout_marginRight="10dp"
android:background="@drawable/help"
android:onClick="onClickHelp" />
<Button
android:id="@+id/btnpopupMenu"
android:layout_width="20dp"
android:layout_height="20dp"
android:layout_gravity="center"
android:layout_marginRight="10dp"
android:background="@drawable/menu"
android:onClick="popUpMenu" />
</LinearLayout>
</LinearLayout>
</LinearLayout>
popup_menu
<menu xmlns:android="http://schemas.android.com/apk/res/android" >
<item android:id="@+id/home"
android:title="@string/home"/>
<item android:id="@+id/settings"
android:title="@string/action_settings"/>
<item android:id="@+id/help"
android:title="@string/help"/>
<item android:id="@+id/profile"
android:title="@string/profile"/>
AndroidManifest.xml
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.om.timetracker"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="12"
android:targetSdkVersion="21" />
<application
android:allowBackup="true"
android:icon="@drawable/icon"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name=".WelcomeScreen"
android:label="@string/app_name"
android:screenOrientation="portrait" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name="com.om.timetracker.HomeScreen"
android:windowSoftInputMode="stateHidden" >
</activity>
</manifest>
运行时错误
05-18 16:18:33.509: E/AndroidRuntime(4053): FATAL EXCEPTION: main
05-18 16:18:33.509: E/AndroidRuntime(4053): java.lang.IllegalStateException: Could not execute method of the activity
05-18 16:18:33.509: E/AndroidRuntime(4053): at android.view.View.onClick(View.java:3099)
05-18 16:18:33.509: E/AndroidRuntime(4053): at android.view.View.performClick(View.java:3571)
05-18 16:18:33.509: E/AndroidRuntime(4053): at android.view.View$PerformClick.run(View.java:14247)
05-18 16:18:33.509: E/AndroidRuntime(4053): at android.os.Handler.handleCallback(Handler.java:605)
05-18 16:18:33.509: E/AndroidRuntime(4053): at android.os.Handler.dispatchMessage(Handler.java:92)
05-18 16:18:33.509: E/AndroidRuntime(4053): at android.os.Looper.loop(Looper.java:137)
05-18 16:18:33.509: E/AndroidRuntime(4053): at android.app.ActivityThread.main(ActivityThread.java:4517)
05-18 16:18:33.509: E/AndroidRuntime(4053): at java.lang.reflect.Method.invokeNative(Native Method)
05-18 16:18:33.509: E/AndroidRuntime(4053): at java.lang.reflect.Method.invoke(Method.java:511)
05-18 16:18:33.509: E/AndroidRuntime(4053): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:993)
05-18 16:18:33.509: E/AndroidRuntime(4053): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:760)
05-18 16:18:33.509: E/AndroidRuntime(4053): at dalvik.system.NativeStart.main(Native Method)
05-18 16:18:33.509: E/AndroidRuntime(4053): Caused by: java.lang.reflect.InvocationTargetException
05-18 16:18:33.509: E/AndroidRuntime(4053): at java.lang.reflect.Method.invokeNative(Native Method)
05-18 16:18:33.509: E/AndroidRuntime(4053): at java.lang.reflect.Method.invoke(Method.java:511)
05-18 16:18:33.509: E/AndroidRuntime(4053): at android.view.View.onClick(View.java:3094)
05-18 16:18:33.509: E/AndroidRuntime(4053): ... 11 more
05-18 16:18:33.509: E/AndroidRuntime(4053): Caused by: java.lang.RuntimeException: Binary XML file line #17: You must supply a layout_height attribute.
05-18 16:18:33.509: E/AndroidRuntime(4053): at android.content.res.TypedArray.getLayoutDimension(TypedArray.java:491)
05-18 16:18:33.509: E/AndroidRuntime(4053): at android.view.ViewGroup$LayoutParams.setBaseAttributes(ViewGroup.java:5333)
05-18 16:18:33.509: E/AndroidRuntime(4053): at android.view.ViewGroup$MarginLayoutParams.<init>(ViewGroup.java:5453)
05-18 16:18:33.509: E/AndroidRuntime(4053): at android.widget.FrameLayout$LayoutParams.<init>(FrameLayout.java:580)
05-18 16:18:33.509: E/AndroidRuntime(4053): at android.widget.FrameLayout.generateLayoutParams(FrameLayout.java:537)
05-18 16:18:33.509: E/AndroidRuntime(4053): at android.widget.FrameLayout.generateLayoutParams(FrameLayout.java:54)
05-18 16:18:33.509: E/AndroidRuntime(4053): at android.view.LayoutInflater.inflate(LayoutInflater.java:477)
05-18 16:18:33.509: E/AndroidRuntime(4053): at android.view.LayoutInflater.inflate(LayoutInflater.java:396)
05-18 16:18:33.509: E/AndroidRuntime(4053): at android.support.v7.internal.view.menu.MenuPopupHelper$MenuAdapter.getView(MenuPopupHelper.java:370)
05-18 16:18:33.509: E/AndroidRuntime(4053): at android.support.v7.internal.view.menu.MenuPopupHelper.measureContentWidth(MenuPopupHelper.java:219)
05-18 16:18:33.509: E/AndroidRuntime(4053): at android.support.v7.internal.view.menu.MenuPopupHelper.tryShow(MenuPopupHelper.java:153)
05-18 16:18:33.509: E/AndroidRuntime(4053): at android.support.v7.internal.view.menu.MenuPopupHelper.show(MenuPopupHelper.java:125)
05-18 16:18:33.509: E/AndroidRuntime(4053): at android.support.v7.widget.PopupMenu.show(PopupMenu.java:193)
05-18 16:18:33.509: E/AndroidRuntime(4053): at com.om.timetracker.HomeScreen.popUpMenu(HomeScreen.java:83)
05-18 16:18:33.509: E/AndroidRuntime(4053): ... 14 more
您的代码很好，只需将按钮放在 HomeScreen.xml 文件中的相对布局、线性布局等容器布局中...
<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" android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
android:paddingBottom="@dimen/activity_vertical_margin" tools:context=".HomeScreen">
<Button
android:id="@+id/btnpopupMenu"
android:layout_width="20dp"
android:layout_height="20dp"
android:layout_gravity="center"
android:layout_marginRight="10dp"
android:background="@drawable/menu"
android:onClick="popUpMenu" />
</RelativeLayout>
在我的应用程序中，我想显示弹出菜单，我试过了，但出现 运行 时间错误，无法修复此问题 error.In 我不想使用我的应用程序一个 ActionBar，我附上下面的代码看看它
HomeScreen.class
public class HomeScreen extends Activity {
TextView reg;
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_home_screen);
}
public void popUpMenu(View v) {
// TODO Auto-generated method stub
PopupMenu popup= new PopupMenu(getApplicationContext(), v);
popup.getMenuInflater().inflate(R.menu.popup_menu, popup.getMenu());
popup.setOnMenuItemClickListener(new PopupMenu.OnMenuItemClickListener() {
@Override
public boolean onMenuItemClick(MenuItem item) {
Toast.makeText(HomeScreen.this,"You Clicked : " + item.getTitle(),Toast.LENGTH_SHORT).show();
return true;
}
});
popup.show();
}
}
activity_home_screen.xml
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@drawable/splash_backronud"
android:orientation="vertical" >
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="48dp"
android:background="#959595"
android:orientation="horizontal" >
<ImageView
android:layout_width="40dp"
android:layout_height="40dp"
android:layout_marginLeft="10dp"
android:layout_marginTop="3dp"
android:background="@drawable/icon" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal|center_vertical"
android:layout_marginLeft="25dp"
android:text="@string/app_name"
android:textColor="#ffffff"
android:textSize="18sp"
android:textStyle="bold" />
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="48dp"
android:gravity="right"
android:orientation="horizontal" >
<ImageView
android:layout_width="30dp"
android:layout_height="30dp"
android:layout_gravity="center"
android:layout_marginRight="10dp"
android:background="@drawable/help"
android:onClick="onClickHelp" />
<Button
android:id="@+id/btnpopupMenu"
android:layout_width="20dp"
android:layout_height="20dp"
android:layout_gravity="center"
android:layout_marginRight="10dp"
android:background="@drawable/menu"
android:onClick="popUpMenu" />
</LinearLayout>
</LinearLayout>
</LinearLayout>
popup_menu
<menu xmlns:android="http://schemas.android.com/apk/res/android" >
<item android:id="@+id/home"
android:title="@string/home"/>
<item android:id="@+id/settings"
android:title="@string/action_settings"/>
<item android:id="@+id/help"
android:title="@string/help"/>
<item android:id="@+id/profile"
android:title="@string/profile"/>
AndroidManifest.xml
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.om.timetracker"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="12"
android:targetSdkVersion="21" />
<application
android:allowBackup="true"
android:icon="@drawable/icon"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name=".WelcomeScreen"
android:label="@string/app_name"
android:screenOrientation="portrait" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name="com.om.timetracker.HomeScreen"
android:windowSoftInputMode="stateHidden" >
</activity>
</manifest>
运行时错误
05-18 16:18:33.509: E/AndroidRuntime(4053): FATAL EXCEPTION: main
05-18 16:18:33.509: E/AndroidRuntime(4053): java.lang.IllegalStateException: Could not execute method of the activity
05-18 16:18:33.509: E/AndroidRuntime(4053): at android.view.View.onClick(View.java:3099)
05-18 16:18:33.509: E/AndroidRuntime(4053): at android.view.View.performClick(View.java:3571)
05-18 16:18:33.509: E/AndroidRuntime(4053): at android.view.View$PerformClick.run(View.java:14247)
05-18 16:18:33.509: E/AndroidRuntime(4053): at android.os.Handler.handleCallback(Handler.java:605)
05-18 16:18:33.509: E/AndroidRuntime(4053): at android.os.Handler.dispatchMessage(Handler.java:92)
05-18 16:18:33.509: E/AndroidRuntime(4053): at android.os.Looper.loop(Looper.java:137)
05-18 16:18:33.509: E/AndroidRuntime(4053): at android.app.ActivityThread.main(ActivityThread.java:4517)
05-18 16:18:33.509: E/AndroidRuntime(4053): at java.lang.reflect.Method.invokeNative(Native Method)
05-18 16:18:33.509: E/AndroidRuntime(4053): at java.lang.reflect.Method.invoke(Method.java:511)
05-18 16:18:33.509: E/AndroidRuntime(4053): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:993)
05-18 16:18:33.509: E/AndroidRuntime(4053): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:760)
05-18 16:18:33.509: E/AndroidRuntime(4053): at dalvik.system.NativeStart.main(Native Method)
05-18 16:18:33.509: E/AndroidRuntime(4053): Caused by: java.lang.reflect.InvocationTargetException
05-18 16:18:33.509: E/AndroidRuntime(4053): at java.lang.reflect.Method.invokeNative(Native Method)
05-18 16:18:33.509: E/AndroidRuntime(4053): at java.lang.reflect.Method.invoke(Method.java:511)
05-18 16:18:33.509: E/AndroidRuntime(4053): at android.view.View.onClick(View.java:3094)
05-18 16:18:33.509: E/AndroidRuntime(4053): ... 11 more
05-18 16:18:33.509: E/AndroidRuntime(4053): Caused by: java.lang.RuntimeException: Binary XML file line #17: You must supply a layout_height attribute.
05-18 16:18:33.509: E/AndroidRuntime(4053): at android.content.res.TypedArray.getLayoutDimension(TypedArray.java:491)
05-18 16:18:33.509: E/AndroidRuntime(4053): at android.view.ViewGroup$LayoutParams.setBaseAttributes(ViewGroup.java:5333)
05-18 16:18:33.509: E/AndroidRuntime(4053): at android.view.ViewGroup$MarginLayoutParams.<init>(ViewGroup.java:5453)
05-18 16:18:33.509: E/AndroidRuntime(4053): at android.widget.FrameLayout$LayoutParams.<init>(FrameLayout.java:580)
05-18 16:18:33.509: E/AndroidRuntime(4053): at android.widget.FrameLayout.generateLayoutParams(FrameLayout.java:537)
05-18 16:18:33.509: E/AndroidRuntime(4053): at android.widget.FrameLayout.generateLayoutParams(FrameLayout.java:54)
05-18 16:18:33.509: E/AndroidRuntime(4053): at android.view.LayoutInflater.inflate(LayoutInflater.java:477)
05-18 16:18:33.509: E/AndroidRuntime(4053): at android.view.LayoutInflater.inflate(LayoutInflater.java:396)
05-18 16:18:33.509: E/AndroidRuntime(4053): at android.support.v7.internal.view.menu.MenuPopupHelper$MenuAdapter.getView(MenuPopupHelper.java:370)
05-18 16:18:33.509: E/AndroidRuntime(4053): at android.support.v7.internal.view.menu.MenuPopupHelper.measureContentWidth(MenuPopupHelper.java:219)
05-18 16:18:33.509: E/AndroidRuntime(4053): at android.support.v7.internal.view.menu.MenuPopupHelper.tryShow(MenuPopupHelper.java:153)
05-18 16:18:33.509: E/AndroidRuntime(4053): at android.support.v7.internal.view.menu.MenuPopupHelper.show(MenuPopupHelper.java:125)
05-18 16:18:33.509: E/AndroidRuntime(4053): at android.support.v7.widget.PopupMenu.show(PopupMenu.java:193)
05-18 16:18:33.509: E/AndroidRuntime(4053): at com.om.timetracker.HomeScreen.popUpMenu(HomeScreen.java:83)
05-18 16:18:33.509: E/AndroidRuntime(4053): ... 14 more
您的代码很好，只需将按钮放在 HomeScreen.xml 文件中的相对布局、线性布局等容器布局中...
<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" android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
android:paddingBottom="@dimen/activity_vertical_margin" tools:context=".HomeScreen">
<Button
android:id="@+id/btnpopupMenu"
android:layout_width="20dp"
android:layout_height="20dp"
android:layout_gravity="center"
android:layout_marginRight="10dp"
android:background="@drawable/menu"
android:onClick="popUpMenu" />
</RelativeLayout>