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POAndroid Switch between activities
 

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  1. POAndroid Switch between activities
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    <p>what i'm trying to do is a home screen that stays for 5 seconds and goes to activity1.When i click a button in activity1 leads me to activity2.I've tried many times to click the button but no switching happens. homescreen (5 seconds)=Main_Activity Activity1=selectpets.java Activity2=fishtank.java</p> <p>onclick listener seems the problem i don't know what's wrong with it </p> <pre><code> Main Activity Code package com.set.petshome; import android.os.Bundle; import android.os.Handler; import android.app.Activity; import android.content.Intent; import android.view.Menu; import android.view.View; import android.widget.Button; public class MainActivity extends Activity { Button fButton; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); //Delay Code after 5 seconds new Handler().postDelayed(new Runnable() { @Override public void run() { setContentView(R.layout.selectscreen); //where &lt;next&gt; is you target activity :) } }, 5000); } //Delay End @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.main, menu); return true; } } </code></pre> <p>Now the Selectpets Code</p> <pre><code>package com.set.petshome; import android.app.Activity; import android.content.*; import android.os.Bundle; import android.view.*; import android.widget.Button; public class SelectPetsScreen extends Activity { Button fButton; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.selectscreen); //Button Fishtank Listener Start fButton = (Button) findViewById(R.id.button1); //Listening to button event fButton.setOnClickListener(new View.OnClickListener() { public void onClick(View arg0) { //Starting a new Intent Intent nextScreen = new Intent(getApplicationContext(), fishtank.class); startActivity(nextScreen); } }); //Button Fishtank Listener End } } </code></pre> <p>Fishtank class code</p> <pre><code>package com.set.petshome; import android.app.Activity; import android.content.Intent; import android.os.Bundle; import android.view.Menu; import android.view.View; import android.widget.Button; public class fishtank extends Activity { @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.ftank); } } </code></pre> <p>by the way no errors in the application just no switching after clicking<br> thank you very much</p>
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    1. USuser1928775
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      1. VTUpMod
    1. COYou are changing the `setContentView()`. This will not start your `SelectPetsScreen` Activity and hence You will never have the button click listener assigned to it. Because you are still in the `MainActivity` :)
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      1. POAndroid Switch between activities
      1. USSunil Mishra
    2. CODid you add second Activity to Manifest.xml? If yes, try to add to SelectPetsScreen: ` android:launchMode="singleTask"`
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      1. POAndroid Switch between activities
      1. USMaxim Shoustin
 

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