When one or more EditText s are empty the touch of the button should show the Toast message, but the application closes. Why?
public class HomeActivity extends Activity {
int rcpNum, fckNum, abtmNum, mucBritaNum, meCimentoNum, meBritaNum, meAreiaNum;
double dmaxNum, mfNum, sdNum;
EditText rcpTxt, fckTxt, abtmTxt, dmaxTxt, mfTxt, mucBritaTxt, meCimentoTxt, meBritaTxt, meAreiaTxt;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_home_avancado);
rcpTxt = (EditText) findViewById(R.id.rcp_edt);
fckTxt = (EditText) findViewById(R.id.fck_edt);
abtmTxt = (EditText) findViewById(R.id.abtm_edt);
dmaxTxt = (EditText) findViewById(R.id.dmax_edt);
mfTxt = (EditText) findViewById(R.id.mf_edt);
mucBritaTxt = (EditText) findViewById(R.id.mucbrita_edt);
meCimentoTxt = (EditText) findViewById(R.id.mecimento_edt);
meBritaTxt = (EditText) findViewById(R.id.mebrita_edt);
meAreiaTxt = (EditText) findViewById(R.id.meareia_edt);
//Spinner
Spinner spnSd = (Spinner) findViewById(R.id.spn_sd);
ArrayAdapter<CharSequence> spnAdapter = ArrayAdapter.createFromResource(this, R.array.spn_sd_str, R.layout.spinner_style);
spnAdapter.setDropDownViewResource(R.layout.spinner_dropdown_style);
spnSd.setAdapter(spnAdapter);
spnSd.setOnItemSelectedListener(
new AdapterView.OnItemSelectedListener() {
public void onItemSelected(AdapterView<?> spnAdpView, View v, int sdPosition, long id) {
if(spnAdpView.getItemAtPosition(sdPosition).toString().equals("SD = 4,5 MPa")){ sdNum = 4.5; }
else if(spnAdpView.getItemAtPosition(sdPosition).toString().equals("SD = 5,5 MPa")){ sdNum = 5.5; }
else { sdNum = 7.5; }
}// fecha onItemSelected
public void onNothingSelected(AdapterView<?> arg0){}
}//fecha OnItemSelectedListener
); // fecha setOnItemSelectedListener
//spinner
// CALCULAR #######################################
ImageButton calcTraco = (ImageButton) findViewById(R.id.btn_traco);
calcTraco.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
rcpNum = Integer.parseInt(rcpTxt.getText().toString());
fckNum = Integer.parseInt(fckTxt.getText().toString());
abtmNum = Integer.parseInt(abtmTxt.getText().toString());
mucBritaNum = Integer.parseInt(mucBritaTxt.getText().toString());
meCimentoNum = Integer.parseInt(meCimentoTxt.getText().toString());
meBritaNum = Integer.parseInt(meBritaTxt.getText().toString());
meAreiaNum = Integer.parseInt(meAreiaTxt.getText().toString());
dmaxNum = Double.parseDouble(dmaxTxt.getText().toString());
mfNum = Double.parseDouble(mfTxt.getText().toString());
if(rcpNum == 0 ||
fckNum == 0 ||
abtmNum == 0 ||
mucBritaNum == 0 ||
meCimentoNum == 0 ||
meBritaNum == 0 ||
meAreiaNum == 0 ||
dmaxNum == 0 ||
mfNum == 0){
Toast.makeText(getApplicationContext(), "Preencha todos os campos!", Toast.LENGTH_SHORT).show();
}
else {
Intent intentTraco = new Intent(v.getContext(), TracoActivity.class);
intentTraco.putExtra("rcpNum", (int)rcpNum);
intentTraco.putExtra("fckNum", (int)fckNum);
intentTraco.putExtra("abtmNum", (int)abtmNum);
intentTraco.putExtra("mucBritaNum", (int)mucBritaNum);
intentTraco.putExtra("meCimentoNum", (int)meCimentoNum);
intentTraco.putExtra("meBritaNum", (int)meBritaNum);
intentTraco.putExtra("meAreiaNum", (int)meAreiaNum);
intentTraco.putExtra("dmaxNum", (double)dmaxNum);
intentTraco.putExtra("mfNum", (double)mfNum);
intentTraco.putExtra("sdNum", (double)sdNum);
startActivityForResult(intentTraco, 0);
}
}
});
// CALCULAR #######################################
} //fecha onCreate
}
Follow Logcat:
12-14 20:47:40.367: E/AndroidRuntime(18566): FATAL EXCEPTION: main
12-14 20:47:40.367: E/AndroidRuntime(18566): Process: com.edeiltonso.dosapp, PID: 18566
12-14 20:47:40.367: E/AndroidRuntime(18566): java.lang.NumberFormatException: Invalid int: ""
12-14 20:47:40.367: E/AndroidRuntime(18566): at java.lang.Integer.invalidInt(Integer.java:137)
12-14 20:47:40.367: E/AndroidRuntime(18566): at java.lang.Integer.parseInt(Integer.java:358)
12-14 20:47:40.367: E/AndroidRuntime(18566): at java.lang.Integer.parseInt(Integer.java:331)
12-14 20:47:40.367: E/AndroidRuntime(18566): at com.edeiltonso.dosapp.HomeActivity$2.onClick(HomeActivity.java:70)
12-14 20:47:40.367: E/AndroidRuntime(18566): at android.view.View.performClick(View.java:4445)
12-14 20:47:40.367: E/AndroidRuntime(18566): at android.view.View$PerformClick.run(View.java:18446)
12-14 20:47:40.367: E/AndroidRuntime(18566): at android.os.Handler.handleCallback(Handler.java:733)
12-14 20:47:40.367: E/AndroidRuntime(18566): at android.os.Handler.dispatchMessage(Handler.java:95)
12-14 20:47:40.367: E/AndroidRuntime(18566): at android.os.Looper.loop(Looper.java:136)
12-14 20:47:40.367: E/AndroidRuntime(18566): at android.app.ActivityThread.main(ActivityThread.java:5141)
12-14 20:47:40.367: E/AndroidRuntime(18566): at java.lang.reflect.Method.invokeNative(Native Method)
12-14 20:47:40.367: E/AndroidRuntime(18566): at java.lang.reflect.Method.invoke(Method.java:515)
12-14 20:47:40.367: E/AndroidRuntime(18566): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:795)
12-14 20:47:40.367: E/AndroidRuntime(18566): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:611)
12-14 20:47:40.367: E/AndroidRuntime(18566): at dalvik.system.NativeStart.main(Native Method)