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這是我的logcat文件，它顯示活動未找到異常，即使我已經在清單文件中聲明它。每當我在eclipse avd中啓動我的應用程序時，「不幸已停止」警告彈出。請幫我解決一下這個。活動未發現異常，即使它在清單中聲明
12-15 07:42:47.833: E/AndroidRuntime(770): FATAL EXCEPTION: Thread-75
12-15 07:42:47.833: E/AndroidRuntime(770): android.content.ActivityNotFoundException: No Activity found to handle Intent { act=my.example.myproject.SELECTION }
12-15 07:42:47.833: E/AndroidRuntime(770): at android.app.Instrumentation.checkStartActivityResult(Instrumentation.java:1622)
12-15 07:42:47.833: E/AndroidRuntime(770): at android.app.Instrumentation.execStartActivity(Instrumentation.java:1417)
12-15 07:42:47.833: E/AndroidRuntime(770): at android.app.Activity.startActivityForResult(Activity.java:3370)
12-15 07:42:47.833: E/AndroidRuntime(770): at android.app.Activity.startActivityForResult(Activity.java:3331)
12-15 07:42:47.833: E/AndroidRuntime(770): at android.app.Activity.startActivity(Activity.java:3566)
12-15 07:42:47.833: E/AndroidRuntime(770): at android.app.Activity.startActivity(Activity.java:3534)
12-15 07:42:47.833: E/AndroidRuntime(770): at my.example.myproject.FullscreenActivity$3.run(FullscreenActivity.java:72)
被如下所示
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_fullscreen);
final View controlsView = findViewById(R.id.fullscreen_content_controls);
final View contentView = findViewById(R.id.fullscreen_content);
iol = (Button)findViewById(R.id.iolCalculation);
help = (Button)findViewById(R.id.sHelp);
about = (Button)findViewById(R.id.sAbout);
Thread iolthread=new Thread(){
public void run(){
try{
iol.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
setContentView(R.layout.selection);
}
});
Intent iolIntent=new Intent("my.example.myproject.SELECTION");
startActivity(iolIntent);
}
finally{
finish();
}
}
};
iolthread.start();
清單文件
Java代碼和清單文件
<application
android:allowBackup="true"
android:theme="@style/AppTheme">"
<activity
android:name=".FullscreenActivity"
android:configChanges="orientation|keyboardHidden|screenSize"
android:label="@string/app_name"
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=".Selection"
android:configChanges="orientation|keyboardHidden|screenSize"
android:label="@string/app_name"
android:theme="@style/FullscreenTheme" >
<action android:name="my.example.myproject.SELECTION" />
<category android:name="android.intent.category.DEFAULT" />
</activity>
</application>
我是一名初學者，在android編程和堆棧溢出。如果有任何錯誤，請讓我出門。 下面是我的主XML文件
<FrameLayout 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:background="@color/black"
tools:context=".FullscreenActivity" >
<!--
The primary full-screen view. This can be replaced with whatever view
is needed to present your content, e.g. VideoView, SurfaceView,
TextureView, etc.
-->
<TextView
android:id="@+id/fullscreen_content"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center"
android:keepScreenOn="true"/>
<!--
This FrameLayout insets its children based on system windows using
android:fitsSystemWindows.
-->
<FrameLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@color/Black"
android:fitsSystemWindows="true" >
<LinearLayout
android:id="@+id/fullscreen_content_controls"
style="?buttonBarStyle"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="bottom|center_horizontal"
android:background="@color/black_overlay"
android:orientation="horizontal"
tools:ignore="UselessParent" >
</LinearLayout>
<Button
style="@style/ButtonBarButton"
android:layout_width="222dp"
android:layout_height="62dp"
android:layout_marginLeft="45dp"
android:layout_marginTop="75dp"
android:background="@color/black"
android:paddingLeft="20dp"
android:id="@+id/iolCalculation"
android:text="@string/Button"
android:textColor="@color/WhiteSmoke"
android:textStyle="bold" />
<Button
style="@style/ButtonBarButton"
android:layout_width="222dp"
android:layout_height="62dp"
android:layout_marginLeft="45dp"
android:id="@+id/sHelp"
android:layout_marginTop="139dp"
android:background="@color/Black"
android:gravity="center"
android:paddingLeft="10dp"
android:text="@string/Button1"
android:textColor="@color/WhiteSmoke"
android:textStyle="bold" />
<Button
style="@style/ButtonBarButton"
android:layout_width="222dp"
android:layout_height="62dp"
android:id="@+id/sAbout"
android:layout_marginLeft="45dp"
android:layout_marginTop="203dp"
android:background="@color/Black"
android:paddingLeft="10dp"
android:text="@string/Button2"
android:textColor="@color/WhiteSmoke"
android:textStyle="bold" >
</Button>
</FrameLayout>
</FrameLayout>
都是在同一個包中的活動。 –
@SahilMahajanMj yup一切都在同一包 – human
@AhamBrahmaasmi：然後Dipak的回答可以很好地解決您的問題。 –