该应用程序仅在模拟器/手机重新启动时显示强制关闭。它有两个广播接收器 1 用于检查电话状态和接听电话，其他用于在顶部保留通知图标。接收器监控手机状态仅在启动时给出以下异常，否则应用程序工作正常。日志如下所示
05-20 12:48:15.688: INFO/Andros:AnsTheCall:receiver(218): initialised the receiver
05-20 12:48:15.707: WARN/dalvikvm(218): threadid=1: thread exiting with uncaught exception (group=0x4001d800)
05-20 12:48:15.827: ERROR/AndroidRuntime(218): FATAL EXCEPTION: main
05-20 12:48:15.827: ERROR/AndroidRuntime(218): java.lang.RuntimeException: Unable to start receiver com.andros.AnsTheCall.AnsTheCallReceiver: java.lang.NullPointerException
05-20 12:48:15.827: ERROR/AndroidRuntime(218): at android.app.ActivityThread.handleReceiver(ActivityThread.java:2821)
05-20 12:48:15.827: ERROR/AndroidRuntime(218): at android.app.ActivityThread.access$3200(ActivityThread.java:125)
05-20 12:48:15.827: ERROR/AndroidRuntime(218): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2083)
05-20 12:48:15.827: ERROR/AndroidRuntime(218): at android.os.Handler.dispatchMessage(Handler.java:99)
05-20 12:48:15.827: ERROR/AndroidRuntime(218): at android.os.Looper.loop(Looper.java:123)
05-20 12:48:15.827: ERROR/AndroidRuntime(218): at android.app.ActivityThread.main(ActivityThread.java:4627)
05-20 12:48:15.827: ERROR/AndroidRuntime(218): at java.lang.reflect.Method.invokeNative(Native Method)
05-20 12:48:15.827: ERROR/AndroidRuntime(218): at java.lang.reflect.Method.invoke(Method.java:521)
05-20 12:48:15.827: ERROR/AndroidRuntime(218): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
05-20 12:48:15.827: ERROR/AndroidRuntime(218): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
05-20 12:48:15.827: ERROR/AndroidRuntime(218): at dalvik.system.NativeStart.main(Native Method)
05-20 12:48:15.827: ERROR/AndroidRuntime(218): Caused by: java.lang.NullPointerException
05-20 12:48:15.827: ERROR/AndroidRuntime(218): at com.andro.AnsTheCall.AnsTheCallReceiver.onReceive(AnsTheCallReceiver.java:37)
05-20 12:48:15.827: ERROR/AndroidRuntime(218): at android.app.ActivityThread.handleReceiver(ActivityThread.java:2810)
05-20 12:48:15.827: ERROR/AndroidRuntime(218): ... 10 more
请帮忙
public class AnsTheCallReceiver extends BroadcastReceiver {
public static final String TAG = "Andros:AnsTheCall:receiver";
public selectedTabType attentFlag = selectedTabType.TYPE_INVALID;
private Intent AnsTheCallServiceIntent = null;
public String contactName = null;
public String contactEmail = "";
public int PhoneNumberCount= 0;
@Override
public void onReceive(Context context, Intent intent) {
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
SharedPreferences.Editor editor = prefs.edit();
// Check phone state
String phone_state = intent.getStringExtra(TelephonyManager.EXTRA_STATE);
String phoneNumber = intent.getStringExtra(TelephonyManager.EXTRA_INCOMING_NUMBER);
String lastPhoneNumber = null;
Log.i(TAG,"initialised the receiver");
if (phone_state.equals(TelephonyManager.EXTRA_STATE_RINGING) && prefs.getBoolean("appEnabled", false)) {
int is_starred = isStarred(context, phoneNumber);