Your Class Name or Activity Name Should Start with a Capital Letter On Mon, Jan 25, 2016 at 12:08 PM, Zaher abou khashbeh < [email protected]> wrote:
> thanks, it worked > after refactoring/renaming the activity it didn't change in the manifest. > I changed it again and it worked > > On Mon, Jan 25, 2016 at 7:40 AM, sardar khan <[email protected]> > wrote: > >> have you declare the activity in the manifest..?? >> >> On Mon, Jan 25, 2016 at 2:59 AM, Zaher abou khashbeh < >> [email protected]> wrote: >> >>> I have created 3 activities >>> MainActivity has 2 layouts in it, on setOnClickListener it starts the >>> other activity >>> >>> the first onClickListener works find and it starts the 2nd activity. but >>> the second onClickListener crashes the application when I click on that >>> layout, eventhough I copied and pasted the code from the first >>> onClickListener. >>> >>> here is the code from the MainActivity >>> >>> public class MainActivity extends AppCompatActivity { >>> >>> @Override >>> protected void onCreate(Bundle savedInstanceState) { >>> super.onCreate(savedInstanceState); >>> setContentView(R.layout.activity_main); >>> >>> RelativeLayout twopoints = (RelativeLayout) >>> findViewById(R.id.layout_twopoints); >>> twopoints.setOnClickListener(new View.OnClickListener() { >>> @Override >>> public void onClick(View v) { >>> Intent line2points = new Intent(MainActivity.this, >>> eqn2points.class);//this one works fine >>> startActivity(line2points); >>> } >>> }); >>> >>> RelativeLayout lines = (RelativeLayout) >>> findViewById(R.id.layout_relativeline); >>> lines.setOnClickListener(new View.OnClickListener() { >>> @Override >>> public void onClick(View v) { >>> Intent line2line = new Intent(MainActivity.this, >>> eqn_para_perp.class);// this one crashes >>> startActivity(line2line); >>> } >>> }); >>> >>> } >>> } >>> >>> >>> >>> >>> >>> this is the required activity that crashes >>> >>> >>> >>> public class eqn_para_perp extends AppCompatActivity { >>> >>> @Override >>> protected void onCreate(Bundle savedInstanceState) { >>> super.onCreate(savedInstanceState); >>> setContentView(R.layout.activity_eqn_para_perp); >>> >>> RelativeLayout para = (RelativeLayout) findViewById(R.id.parallel); >>> para.setOnClickListener(new View.OnClickListener() { >>> @Override >>> public void onClick(View v) { >>> Intent line2point = new Intent(eqn_para_perp.this, >>> parallel_line.class); >>> startActivity(line2point); >>> } >>> }); >>> >>> RelativeLayout perp = (RelativeLayout) >>> findViewById(R.id.perpendicular); >>> perp.setOnClickListener(new View.OnClickListener() { >>> @Override >>> public void onClick(View v) { >>> Intent line2point = new Intent(eqn_para_perp.this, >>> perpendicular_line.class); >>> startActivity(line2point); >>> } >>> }); >>> >>> } >>> } >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "Android Developers" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> To post to this group, send email to [email protected] >>> . >>> Visit this group at https://groups.google.com/group/android-developers. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/android-developers/8ff39d68-afec-44ff-bf67-fbf1268b9369%40googlegroups.com >>> <https://groups.google.com/d/msgid/android-developers/8ff39d68-afec-44ff-bf67-fbf1268b9369%40googlegroups.com?utm_medium=email&utm_source=footer> >>> . >>> For more options, visit https://groups.google.com/d/optout. >>> >> >> -- >> You received this message because you are subscribed to a topic in the >> Google Groups "Android Developers" group. >> To unsubscribe from this topic, visit >> https://groups.google.com/d/topic/android-developers/rTtt6Exufvo/unsubscribe >> . >> To unsubscribe from this group and all its topics, send an email to >> [email protected]. >> To post to this group, send email to [email protected]. >> Visit this group at https://groups.google.com/group/android-developers. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/android-developers/CABHzXARzsXMGjqVeoe9hXiCwM8VYLRqxhDuhng%3DgMaeWjN3Ybw%40mail.gmail.com >> <https://groups.google.com/d/msgid/android-developers/CABHzXARzsXMGjqVeoe9hXiCwM8VYLRqxhDuhng%3DgMaeWjN3Ybw%40mail.gmail.com?utm_medium=email&utm_source=footer> >> . >> >> For more options, visit https://groups.google.com/d/optout. >> > > -- > You received this message because you are subscribed to the Google Groups > "Android Developers" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at https://groups.google.com/group/android-developers. > To view this discussion on the web visit > https://groups.google.com/d/msgid/android-developers/CALMfa8kEo1Vayj99-h0d2AHvWNEOcA%2BsqwN8Sv3QUvGrxW8%2B_w%40mail.gmail.com > <https://groups.google.com/d/msgid/android-developers/CALMfa8kEo1Vayj99-h0d2AHvWNEOcA%2BsqwN8Sv3QUvGrxW8%2B_w%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/android-developers. To view this discussion on the web visit https://groups.google.com/d/msgid/android-developers/CABHzXARPbTmFiD4pUXwy5NGLDh57wZOrDzj9siBhD6ZpijH%2BeA%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.

