我有以下按钮:无法执行活动的方法的Android
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/btn_create_user"
android:id="@+id/btn_create_user"
android:onClick="onClickCreateUser"
android:layout_alignParentBottom="true"
android:background="@color/btn_create_user"
android:layout_alignLeft="@+id/btn_login"
android:layout_alignStart="@+id/btn_login"
android:layout_marginBottom="23dp"
android:layout_alignRight="@+id/btn_login"
android:layout_alignEnd="@+id/btn_login" />
具有以下的onclick功能:
public void onClickCreateUser(View v){
Intent i = new Intent("dk.anapp.notebox.activity_createUser");
startActivity(i);
}
当我按下按钮,我得到以下错误:
02-12 18:20:53.526 1598-1598/dk.anapp.notebox E/AndroidRuntime﹕ FATAL EXCEPTION: main
java.lang.IllegalStateException: Could not execute method of the activity
at android.view.View$1.onClick(View.java:3044)
at android.view.View.performClick(View.java:3511)
at android.view.View$PerformClick.run(View.java:14105)
at android.os.Handler.handleCallback(Handler.java:605)
at android.os.Handler.dispatchMessage(Handler.java:92)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:4424)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.reflect.InvocationTargetException
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at android.view.View$1.onClick(View.java:3039)
at android.view.View.performClick(View.java:3511)
at android.view.View$PerformClick.run(View.java:14105)
at android.os.Handler.handleCallback(Handler.java:605)
at android.os.Handler.dispatchMessage(Handler.java:92)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:4424)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
at dalvik.system.NativeStart.main(Native Method)
Caused by: android.content.ActivityNotFoundException: No Activity found to handle Intent { act=dk.anapp.notebox.activity_createUser }
at android.app.Instrumentation.checkStartActivityResult(Instrumentation.java:1512)
at android.app.Instrumentation.execStartActivity(Instrumentation.java:1384)
at android.app.Activity.startActivityForResult(Activity.java:3190)
at android.support.v4.app.FragmentActivity.startActivityForResult(FragmentActivity.java:839)
at android.app.Activity.startActivity(Activity.java:3297)
at dk.anapp.notebox.Login.onClickCreateUser(Login.java:74)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at android.view.View$1.onClick(View.java:3039)
at android.view.View.performClick(View.java:3511)
at android.view.View$PerformClick.run(View.java:14105)
at android.os.Handler.handleCallback(Handler.java:605)
at android.os.Handler.dispatchMessage(Handler.java:92)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:4424)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
at dalvik.system.NativeStart.main(Native Method)
我搜索到了,但我唯一能找到的答案是那些忘记在清单中声明类的人
这里是我的清单:
<?xml version="1.0" encoding="utf-8"?>
<uses-sdk
android:minSdkVersion="9"
android:targetSdkVersion="18" />
<uses-permission android:name="android.permission.INTERNET" />
<application
android:name="dk.anapp.notebox.Mediator"
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="dk.anapp.notebox.Login"
android:label="@string/title_activity_login" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name="dk.anapp.notebox.SoloActivity"
android:label="@string/title_activity_solo" >
<intent-filter>
<action android:name="dk.anapp.notebox.SoloActivity" />
<category android:name="android.intent.category.DEFAULT" />
</intent-filter>
</activity>
<activity
android:name="dk.anapp.notebox.SpashScreen"
android:configChanges="orientation|keyboardHidden|screenSize"
android:label="@string/title_activity_spash_screen"
android:theme="@style/FullscreenTheme" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name="dk.anapp.notebox.SpashScreen"
android:label="@string/title_activity_spash_screen" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name="dk.anapp.notebox.MyGroups"
android:label="@string/title_activity_my_groups" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name="dk.anapp.notebox.activity_createUser"
android:label="@string/title_activity_activity_create_user" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
那我做错了什么?
你有没有把你的'Class'而不是操作的在你的意图创作尝试? '新的意图(activity_createUser.class)' – nKn
你为什么使用字符串调用活动?你不能称通过课程的活动吗?就像那个“新意图(this,activity_createUser.class);” – GhostDerfel
您的manifest.xml包含许多带有操作标记的活动.MAIN你在做什么?只制作在您的应用运行时首次启动的活动的主要活动 –