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POAndroid Coin-Toss Simulator Lagging
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  1. POAndroid Coin-Toss Simulator Lagging
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    copied!<p>Ok I am new to android programming but i have created an app as follows.</p> <pre><code>package com.michaelpeerman.probability; import android.app.Activity; import android.os.Bundle; import android.text.Editable; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.EditText; import android.widget.TextView; import java.util.Random; public class ProbabilityActivity extends Activity { private EditText number; private Button submit; public void flipcoin(int numberint) { TextView result = (TextView)findViewById(R.id.result); int heads = 0; int tails = 0; for (int j = 0; j &lt; numberint; j++) { int i = 1 + new Random().nextInt(2); if (i == 1) heads++; if (i == 2) tails++; result.setText("heads : " + heads + "\ntails : " + tails); } } public void onCreate(Bundle paramBundle) { super.onCreate(paramBundle); setContentView(R.layout.main); submit = ((Button)findViewById(R.id.submit)); submit.setOnClickListener(new View.OnClickListener() { public void onClick(View paramView) { number = ((EditText)findViewById(R.id.number)); int numberint = Integer.parseInt(number.getText().toString()); flipcoin(numberint); } }); } } </code></pre> <p>But this runs incredibly slow compared to</p> <pre><code>package com.michaelpeerman.probability; import android.app.Activity; import android.os.Bundle; import android.text.Editable; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.EditText; import android.widget.TextView; import java.util.Random; public class ProbabilityActivity extends Activity { public void onCreate(Bundle paramBundle) { super.onCreate(paramBundle); setContentView(R.layout.main); TextView result = (TextView)findViewById(R.id.result); int heads = 0; int tails = 0; for (int j = 0; j &lt; 50000; j++) { int i = 1 + new Random().nextInt(2); if (i == 1) heads++; if (i == 2) tails++; result.setText("heads : " + heads + "\ntails : " + tails); } } </code></pre> <p>I do not understand why this is. They are both using the same code except the first one lets you enter in a number and press submit before running the loop. Shouldnt they be the same speed? What can I do to speed it up?</p>
 

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