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POAndroid Java - Message at a random range of time, every second check
 

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    <p>For a side project of mine, I'm devoloping an android app with java. I don't know java a lot but i'm trying ^^.</p> <p>The project is to have an Alarm at a random time in a certain range. The problem is that my chronometer and button freeze, but everything still works! Does anyone has maybe another solution for the thread.sleep ??</p> <pre><code> public class MainActivity extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); } public void StartChrono(View view) { final Chronometer chrono = (Chronometer)findViewById(R.id.chronometer1); chrono.setBase(SystemClock.elapsedRealtime()); chrono.start(); //Tick(); } public int RandomTime(int min, int max) { int random = max - min; Random rand= new Random(); random = rand.nextInt(random)+min; return random; } public boolean CheckUp(int randomtime,int chronotime) { boolean check = false; if(randomtime== chronotime) { check = true; } return check; } public void Tick() { boolean check = false; int randomtime = RandomTime(20,150); int time=1; do { check = CheckUp(randomtime,time); time = time +1; try { Thread.sleep(1000); } catch (InterruptedException e) { AlertDialog alertDialog; alertDialog = new AlertDialog.Builder(this).create(); alertDialog.setTitle("Error - 000"); alertDialog.setMessage("Could not check!"); alertDialog.show(); } }while(check == false); if(check == true) { AlertDialog alertDialog; alertDialog = new AlertDialog.Builder(this).create(); alertDialog.setTitle("Yuy"); alertDialog.setMessage("Switch!"); alertDialog.show(); } } } </code></pre>
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