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POPassing data through Intent and receiving it
 

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    <p>I am trying to pass data through my Intent into the next activity so I can receive it and give a timer values.</p> <pre><code>Button TimerButton = (Button)findViewById(R.id.TimerActivityButton); TimerButton.setOnClickListener(new View.OnClickListener(){ public void onClick(View v) { Intent timer = new Intent (BeefActivity.this,TimerActivity.class); timer.putExtra("beefType", 5000); timer.putExtra("beefThickness", 5000); timer.putExtra("grillTime", 15000); startActivity(timer); } }); </code></pre> <p>I have tried different methods of receiving the values, and I keep getting a force close or compiler errors. I know this is simple so can somebody please show me how to do this. Thank you in advance!</p> <hr> <pre><code>This is force closing </code></pre> <ul> <li>I tried passing in int length = beefType and it force closed</li> <li>I tried changing the -1 to 200, it still force closed</li> <li>I put back int length = 20000 where it worked originally</li> </ul> <p>Just having <code>int beefType = getIntent().getIntExtra("beefType", -1);</code> at the top of my class makes it force close. No compiler errors. I am stuck :-( Here is how my code looks</p> <hr> <pre><code>package com.android.project1; import android.app.Activity; import android.os.Bundle; import android.os.CountDownTimer; import android.view.View; import android.widget.Button; import android.widget.TextView; public class TimerActivity extends Activity { int beefType = getIntent().getIntExtra("beefType", 200); TextView timeDisplay; MyCount counter; int state = 0; int length = 20000; long startTime = 0; long currentTime = 0; long timeElapsed = 0; long timeRemaining = 0; long prevTimeRemaining = 0; Button control; public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.timer); timeDisplay = (TextView) findViewById(R.id.timer); control = (Button) findViewById(R.id.control); counter = new MyCount(length, 100); } public String formatTime(long millis) { String output = "00:00:00"; long seconds = millis / 1000; long minutes = seconds / 60; long hours = minutes / 60; seconds = seconds % 60; minutes = minutes % 60; hours = hours % 60; String secondsD = String.valueOf(seconds); String minutesD = String.valueOf(minutes); String hoursD = String.valueOf(hours); if (seconds &lt; 10) secondsD = "0" + seconds; if (minutes &lt; 10) minutesD = "0" + minutes; if (hours &lt; 10) hoursD = "0" + hours; output = hoursD + " : " + minutesD + " : " + secondsD; return output; } public void control(View view) { switch (state) { case 0: startTime = System.currentTimeMillis(); counter.start(); control.setText(R.string.pause); state = 1; break; case 1: // Pause currentTime = System.currentTimeMillis(); timeElapsed = currentTime - startTime; if (prevTimeRemaining == 0) timeRemaining = length - timeElapsed; else timeRemaining = prevTimeRemaining - timeElapsed; counter.cancel(); timeDisplay.setText("Left: " + String.valueOf(formatTime(timeRemaining))); control.setText(R.string.resume); prevTimeRemaining = timeRemaining; // Resume counter = new MyCount(timeRemaining, 100); state = 0; break; case 2: prevTimeRemaining = 0; counter = new MyCount(length, 100); control.setText(R.string.start); timeDisplay.setText(R.string.timer); state = 0; } } public class MyCount extends CountDownTimer { public MyCount(long millisInFuture, long countDownInterval) { super(millisInFuture, countDownInterval); } public void onTick(long timeRemaining) { timeDisplay.setText("Left: " + formatTime(timeRemaining)); } public void onFinish() { timeDisplay.setText("Finished!"); state = 2; control.setText(R.string.restart); } } } </code></pre>
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