我一直試圖在保存一些數據後返回活動。保存所有作品找到。那裏沒有錯誤,所有的流都關閉了。然後我嘗試回到MainMenu活動,它似乎不工作。還有一些我不知道它是否會影響它,但如果我在課堂上創建了一些TextField,我需要在去一個新的活動之前刪除它們嗎?無法找到活動錯誤
的代碼,新的活動( 「com.sureclean.versionioo.settings」):
public void onClick(View v) {
//Saving data code in here
startActivity(new Intent("com.sureclean.versionioo.MainMenu"));
}
寓:
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.sureclean.versionioo"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="15" />
<application
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name=".Splash"
android:label="@string/title_activity_main" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name=".MainMenu"
android:label="@string/title_activity_main" >
<intent-filter>
<action android:name="com.sureclean.versionioo.MainMenu" />
<category android:name="android.intent.category.DEFAULT" />
</intent-filter>
</activity>
<activity
android:name=".checklist"
android:label="@string/title_activity_main" >
<intent-filter>
<action android:name=".checklist" />
<category android:name="android.intent.category.DEFAULT" />
</intent-filter>
</activity>
<activity
android:name=".settings"
android:label="@string/title_activity_main" >
<intent-filter>
<action android:name="com.sureclean.versionioo.settings" />
<category android:name="android.intent.category.DEFAULT" />
</intent-filter>
</activity>
</application>
logcat的:
09-12 15:58:03.949: E/AndroidRuntime(1079): FATAL EXCEPTION: main
09-12 15:58:03.949: E/AndroidRuntime(1079): android.content.ActivityNotFoundException: No Activity found to handle Intent { act=com.surehere.versionioo.MAIN }
09-12 15:58:03.949: E/AndroidRuntime(1079): at android.app.Instrumentation.checkStartActivityResult(Instrumentation.java:1512)
09-12 15:58:03.949: E/AndroidRuntime(1079): at android.app.Instrumentation.execStartActivity(Instrumentation.java:1384)
09-12 15:58:03.949: E/AndroidRuntime(1079): at android.app.Activity.startActivityForResult(Activity.java:3190)
09-12 15:58:03.949: E/AndroidRuntime(1079): at android.app.Activity.startActivity(Activity.java:3297)
09-12 15:58:03.949: E/AndroidRuntime(1079): at com.sureclean.versionioo.settings$1.onClick(settings.java:54)
09-12 15:58:03.949: E/AndroidRuntime(1079): at android.view.View.performClick(View.java:3511)
09-12 15:58:03.949: E/AndroidRuntime(1079): at android.view.View$PerformClick.run(View.java:14105)
09-12 15:58:03.949: E/AndroidRuntime(1079): at android.os.Handler.handleCallback(Handler.java:605)
09-12 15:58:03.949: E/AndroidRuntime(1079): at android.os.Handler.dispatchMessage(Handler.java:92)
09-12 15:58:03.949: E/AndroidRuntime(1079): at android.os.Looper.loop(Looper.java:137)
09-12 15:58:03.949: E/AndroidRuntime(1079): at android.app.ActivityThread.main(ActivityThread.java:4424)
09-12 15:58:03.949: E/AndroidRuntime(1079): at java.lang.reflect.Method.invokeNative(Native Method)
09-12 15:58:03.949: E/AndroidRuntime(1079): at java.lang.reflect.Method.invoke(Method.java:511)
09-12 15:58:03.949: E/AndroidRuntime(1079): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
09-12 15:58:03.949: E/AndroidRuntime(1079): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
09-12 15:58:03.949: E/AndroidRuntime(1079): at dalvik.system.NativeStart.main(Native Method)
其實,有多少活動,你有嗎?你似乎是從同一個活動開始你的當前活動? – Praveenkumar
我從「com.sureclean.versionioo.Settings」活動開始「com.sureclean.versionioo.MainMenu」活動。但要進入設置你需要從MainMenu去,是我的問題? – Nick
'.Mainmenu'是你的主要活動吧?而且,你是否在'AndroidManifest.xml'文件中註冊了'.Settings'? – Praveenkumar