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PORunning an android application
 

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  1. PORunning an android application
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    <p>I am having trouble when I am trying to run my simple android applications On my system I tested for some other applications which were not created on my system and those worked well but when I edit those on my system then also these applications wont work. I am getting many errors</p> <pre><code>09-26 07:23:55.458: E/AndroidRuntime(1341): ... 11 more at com.calculation.MainActivity.&lt;init&gt;(MainActivity.java:19) at java.lang.Class.newInstanceImpl(Native Method) : at java.lang.Class.newInstance(Class.java:1130) at android.app.Instrumentation.newActivity(Instrumentation.java:1061) at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2128) </code></pre> <p>Why am I getting this Please Help me</p> <pre><code>package com.calculation; import android.os.Bundle; import android.app.Activity; import android.view.View; import android.widget.Button; import android.widget.EditText; import android.widget.TextView; import android.widget.Toast; import android.app.AlertDialog; import android.content.DialogInterface; public class MainActivity extends Activity { EditText value1,value2; Button add; TextView display; int num1=0, num2=0, total=0; final AlertDialog alertdialog= new AlertDialog.Builder(MainActivity.this).create(); @SuppressWarnings("deprecation") @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); value1=(EditText)findViewById(R.id.input1); value2=(EditText)findViewById(R.id.input2); add=(Button)findViewById(R.id.btnadd); display=(TextView)findViewById(R.id.result); if(value1==null) { alertdialog.setTitle("AlertDialog"); alertdialog.setMessage("Please Enter a Valid Input"); alertdialog.setIcon(R.drawable.ic_launcher); alertdialog.setButton("Ok", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { // TODO Auto-generated method stub Toast.makeText(getApplicationContext(), "You Clicked OK" , Toast.LENGTH_LONG).show(); } }); } else if(value2==null) { alertdialog.setTitle("AlertDialog"); alertdialog.setMessage("Please Enter a Valid Input"); alertdialog.setIcon(R.drawable.ic_launcher); alertdialog.setButton("Ok", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { // TODO Auto-generated method stub Toast.makeText(getApplicationContext(), "You Clicked OK" , Toast.LENGTH_LONG).show(); } }); } add.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View arg0) { // TODO Auto-generated method stub num1=Integer.parseInt(value1.getText().toString()); num2=Integer.parseInt(value2.getText().toString()); total=num1+num2; display.setText("ADDITION IS"+total); } }); } </code></pre> <p>}</p>
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    1. USAndroid Noob
    1. USAndroid Noob
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    1. VO
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    2. VO
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    3. VO
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    1. COpost your code also
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      1. USDeveloper
    2. COpost MainActivity.java here.
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      1. USKetan Ahir
    3. COpost the top of your logcat.
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      1. PORunning an android application
      1. USSzymon
 

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