错误是
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.abc.app.MyApp/com.abc.app.MainActivity}: java.lang.NullPointerException
然后在AndroidManifest.xml中,
android:name=".MyApp"
android:allowBackup="true"
android:icon="@drawable/icon"
android:label="@string/app_name"
android:largeHeap="true"
android:theme="@style/AppTheme">
<activity
android:name=".Start.StartActivity"
android:label="MyApp"
android:screenOrientation="landscape">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name=".MainActivity"
android:label="@string/app_name"
android:screenOrientation="landscape" />
是这样写的,这要怎么办呢。。。 路径应该是没有问题的吧