listV.setAdapter(simpAdapter);出现空指针异常 已解决谢谢

Question

public class MainActivity extends Activity { private ListView listV; private List<Map<String, Object>> list; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); listV = (ListView) findViewById(R.id.listView1); SimpleAdapter simpAdapter = new SimpleAdapter(this, getData(), R.layout.item, new String[] {"text", "image"}, new int[] {R.id.textView1, R.id.imageView1}); listV.setAdapter(simpAdapter); } private List<Map<String, Object>> getData() { list = new ArrayList<Map<String, Object>>(); Map<String, Object> map = new HashMap<String, Object>(); map.put("text", "java"); map.put("image", R.drawable.ic_launcher); Map<String, Object> map2 = new HashMap<String, Object>(); map2.put("text", "C++"); map2.put("image", R.drawable.ic_launcher); Map<String, Object> map3 = new HashMap<String, Object>(); map3.put("text", "JavaScript"); map3.put("image", R.drawable.ic_launcher); Map<String, Object> map4 = new HashMap<String, Object>(); map4.put("text", "Php"); map4.put("image", R.drawable.ic_launcher); Map<String, Object> map5 = new HashMap<String, Object>(); map5.put("text", "Python2"); map5.put("image", R.drawable.ic_launcher); list.add(map); list.add(map2); list.add(map3); list.add(map4); list.add(map5); return list; } }错误日志03-04 03:17:52.032: D/AndroidRuntime(1912): Shutting down VM03-04 03:17:52.032: W/dalvikvm(1912): threadid=1: thread exiting with uncaught exception (group=0xb4b03ba8)03-04 03:17:52.052: E/AndroidRuntime(1912): FATAL EXCEPTION: main03-04 03:17:52.052: E/AndroidRuntime(1912): Process: com.example.adaptertt, PID: 191203-04 03:17:52.052: E/AndroidRuntime(1912): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.adaptertt/com.example.adaptertt.MainActivity}: java.lang.NullPointerException03-04 03:17:52.052: E/AndroidRuntime(1912): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2195)03-04 03:17:52.052: E/AndroidRuntime(1912): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2245)03-04 03:17:52.052: E/AndroidRuntime(1912): at android.app.ActivityThread.access$800(ActivityThread.java:135)03-04 03:17:52.052: E/AndroidRuntime(1912): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1196)03-04 03:17:52.052: E/AndroidRuntime(1912): at android.os.Handler.dispatchMessage(Handler.java:102)03-04 03:17:52.052: E/AndroidRuntime(1912): at android.os.Looper.loop(Looper.java:136)03-04 03:17:52.052: E/AndroidRuntime(1912): at android.app.ActivityThread.main(ActivityThread.java:5017)03-04 03:17:52.052: E/AndroidRuntime(1912): at java.lang.reflect.Method.invokeNative(Native Method)03-04 03:17:52.052: E/AndroidRuntime(1912): at java.lang.reflect.Method.invoke(Method.java:515)03-04 03:17:52.052: E/AndroidRuntime(1912): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779)03-04 03:17:52.052: E/AndroidRuntime(1912): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595)03-04 03:17:52.052: E/AndroidRuntime(1912): at dalvik.system.NativeStart.main(Native Method)03-04 03:17:52.052: E/AndroidRuntime(1912): Caused by: java.lang.NullPointerException03-04 03:17:52.052: E/AndroidRuntime(1912): at com.example.adaptertt.MainActivity.onCreate(MainActivity.java:35)03-04 03:17:52.052: E/AndroidRuntime(1912): at android.app.Activity.performCreate(Activity.java:5231)03-04 03:17:52.052: E/AndroidRuntime(1912): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087)03-04 03:17:52.052: E/AndroidRuntime(1912): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2159)03-04 03:17:52.052: E/AndroidRuntime(1912): ... 11 more

Answer 1

已解决？那采纳我行不行，谢谢 :)