Problema con ButtonImage para acceder al login o register
Publicado por Daniel (6 intervenciones) el 29/11/2016 17:16:28
Hola amigos espero que todo vaya muy bien...
recientemente he tenido unos problemas con este error.
este es mi main_activy.xml ... no me ha dejado ingresar cada vez que doy un click en login o register me sale cerrar forzado..
Espero puedan colaborar, muchas gracias quedo muy atento
recientemente he tenido unos problemas con este error.
1
Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.ImageButton.setOnClickListener(android.view.View$OnClickListener)' on a null object reference
este es mi main_activy.xml ... no me ha dejado ingresar cada vez que doy un click en login o register me sale cerrar forzado..
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public class MainActivity extends Activity implements OnClickListener { /**
* Called when the activity is first created.
*/ private MyFontButton btnSignIn, btnRegister;private PreferenceHelper pHelper;
private boolean isReceiverRegister;
// private int oldOptions;
private BroadcastReceiver mHandleMessageReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
AndyUtils.removeCustomProgressDialog();
if (intent.getAction().equals(CommonUtilities.DISPLAY_REGISTER_GCM)) {
Bundle bundle = intent.getExtras();
if (bundle != null) {
int resultCode = bundle.getInt(CommonUtilities.RESULT);
if (resultCode == Activity.RESULT_OK) {
} else {
Toast.makeText(MainActivity.this,
getString(R.string.register_gcm_failed),
Toast.LENGTH_SHORT).show();
finish();
} } } } };@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
// Window window = getWindow();
// window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
// window.clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
// window.setStatusBarColor(getResources().getColor(
// R.color.color_action_bar_main));
//
// }
if (!TextUtils.isEmpty(new PreferenceHelper(this).getUserId())) {
startActivity(new Intent(this, MainDrawerActivity.class));
this.finish();
return;
} isReceiverRegister = false;pHelper = new PreferenceHelper(this);
setContentView(R.layout.activity_main);
btnSignIn = (MyFontButton)findViewById(R.id.btnSignIn);
btnRegister = (MyFontButton)findViewById(R.id.btnRegister);
// rlLoginRegisterLayout = (RelativeLayout) view
// .findViewById(R.id.rlLoginRegisterLayout);
// tvMainBottomView = (MyFontTextView) view
// .findViewById(R.id.tvMainBottomView);
btnSignIn.setOnClickListener(this);
btnRegister.setOnClickListener(this);
if (TextUtils.isEmpty(pHelper.getDeviceToken())) {
isReceiverRegister = true;registerGcmReceiver(mHandleMessageReceiver);
} }public void registerGcmReceiver(BroadcastReceiver mHandleMessageReceiver) {
if (mHandleMessageReceiver != null) {
AndyUtils.showCustomProgressDialog(this,
getString(R.string.progress_loading), false, null);
new GCMRegisterHendler(this, mHandleMessageReceiver);
} }public void unregisterGcmReceiver(BroadcastReceiver mHandleMessageReceiver) {
if (mHandleMessageReceiver != null) {
if (mHandleMessageReceiver != null) {
unregisterReceiver(mHandleMessageReceiver);
} } }@Override
public void onClick(View v) {
Intent startRegisterActivity = new Intent(MainActivity.this,
RegisterActivity.class);
switch (v.getId()) {
case R.id.btnSignIn:
startRegisterActivity.putExtra("isSignin", true);
break;
case R.id.btnRegister:
startRegisterActivity.putExtra("isSignin", false);
break;
}startActivity(startRegisterActivity);
overridePendingTransition(R.anim.slide_in_right, R.anim.slide_out_left);
finish();
}@Override
public void onDestroy() {
if (isReceiverRegister) {
unregisterGcmReceiver(mHandleMessageReceiver);
isReceiverRegister = false; }super.onDestroy();
}@Override
public void onBackPressed() {
// super.onBackPressed();
openExitDialog();
}public void openExitDialog() {
final Dialog mDialog = new Dialog(this);
mDialog.requestWindowFeature(Window.FEATURE_NO_TITLE);
mDialog.getWindow().setBackgroundDrawable(
new ColorDrawable(android.graphics.Color.TRANSPARENT));
mDialog.setContentView(R.layout.exit_layout);
mDialog.setCancelable(false);
mDialog.findViewById(R.id.tvExitOk).setOnClickListener(
new View.OnClickListener() {
@Override
public void onClick(View v) {
mDialog.dismiss();
finish();
overridePendingTransition(R.anim.slide_in_left,
R.anim.slide_out_right);
}});
mDialog.findViewById(R.id.tvExitCancel).setOnClickListener(
new View.OnClickListener() {
@Override
public void onClick(View v) {
mDialog.dismiss();
}});
mDialog.show();
Espero puedan colaborar, muchas gracias quedo muy atento
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