不知何故，我似乎已经屠杀了我的 onClickListener。出于某种原因，当我突然单击 goButton 时，它根本什么都不做。我已经查看了很多次代码，似乎无法发现我在这里做错了什么。有什么建议么？
//This activity displays the start layout of the app
public class StartActivity extends Activity implements OnClickListener {
private AnimationDrawable mGoButtonAnimation;
Button goButton;
Context c;
boolean isAirPlaneMode, isMDNPresent = false;// boolean values to check for
// airplane mode and if the
// sim populates the MDN
int simState;
TelephonyManager tm;
boolean NetworkConnection = false;// boolean to check the Network
// Availability
AlertDialog mConfirmAlert = null;
TextView text;
TextView mUpdatetext;
int version;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.start);
Button goButton = (Button) findViewById(R.id.go_button);
// Set GO button to drawable animation
goButton.setBackgroundResource(R.drawable.go_button_animation);
mGoButtonAnimation = (AnimationDrawable) goButton.getBackground();
version = android.os.Build.VERSION.SDK_INT;
tm = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
// to read the SIM state
simState = tm.getSimState();
System.out.println("Sim State" + simState);
if (tm.getLine1Number() == null) {
showAlert("Insert an active SIM.");
}
// to check for MDN
else if (tm.getLine1Number().equalsIgnoreCase("")) {
isMDNPresent = true;
}
String texts = "";
CharSequence styledText = texts;
goButton = (Button) findViewById(R.id.go_button);
text = (TextView) findViewById(R.id.text);
// text for go button
texts = String.format(getString(R.string.start_text));
styledText = Html.fromHtml(texts);
text.setText(styledText);
// to check for the network availability
NetworkConnection = CheckNetworkAvailability
.CheckforNetworkAvailability(StartActivity.this);
if (!NetworkConnection) {
showAlert("Network is not available, Check for the Network Connections");
}
// to check for airplane mode
isAirPlaneMode = isAirplaneModeOn(StartActivity.this);
goButton.setOnClickListener(this);
}
public void onClick(View v) {
if (v == goButton) {
//
if (simState == TelephonyManager.SIM_STATE_ABSENT) {
showAlert("Sim Card is absent, Please insert a Sim Card");
} else if (simState == TelephonyManager.SIM_STATE_UNKNOWN) {
showAlert("Sim Card is absent, Please insert a Sim Card");
} else if (isAirPlaneMode != false) {
showAlert("Please Insert a Sim Card or Turn on the AirPlane Mode and Re-Run the app");
} else if (simState == TelephonyManager.SIM_STATE_NETWORK_LOCKED
|| simState == TelephonyManager.SIM_STATE_PIN_REQUIRED
|| simState == TelephonyManager.SIM_STATE_PUK_REQUIRED
|| simState == TelephonyManager.SIM_STATE_UNKNOWN) {
showAlert("Sim Card is absent, Please insert a Sim Card");
} else if (simState == TelephonyManager.SIM_STATE_READY) {
if (version < VERSION_CODES.ICE_CREAM_SANDWICH) {// Pre-ICS
if (isMDNPresent) {
// start SaveMDN activity
Intent i = new Intent(StartActivity.this, SaveMDN.class);
startActivity(i);
finish();
} else {
// start ActivityForPreICS activity
Intent i = new Intent(StartActivity.this,
ActivityForPreICS.class);
startActivity(i);
finish();
}
} else {
// ICS and UP
if (isMDNPresent) {
// start SaveMDN activity
Intent i = new Intent(StartActivity.this, SaveMDN.class);
startActivity(i);
finish();
} else {
// start Update Activity
Intent i = new Intent(StartActivity.this,
UpdateActivity.class);
startActivity(i);
finish();
}
}
}
}
}