You declared your buttons like this: b1.findViewById(R.id.button1); b2.findViewById(R.id.button2); b3.findViewById(R.id.button3); b4.findViewById(R.id.button4); b5.findViewById(R.id.button5); b6.findViewById(R.id.button6); b7.findViewById(R.id.button7); b8.findViewById(R.id.button8); b9.findViewById(R.id.button9); Replace that with: b1=(Button)findViewById(R.id.button1); And other views (b2,b3.., rez1,rez2..) like that.
i would suggest a start from here. First Android Application
If the Button are in a reusable View like ListView following way will help you. Dynamically set tag to each Button like follow, button1.setTag(“button1”); button2.setTag(“button2”); button3.setTag(“button3″); Then in the onClick method, @Override public void onClick(View v) { Toast.makeText(getApplicationContext(), v.getTag()+” Clicked”, Toast.LENGTH_SHORT).show(); } If Button is in a simple Activity @Override public void onClick(View v) { … Read more
There are a lot of errors and bad tag formatting in your code. Tags should also not overlap (first open, last closed), like in the following part of your code: </div> </button></h2> </div></div></body></form></button> This not valid formatting. Each tag has a specific use, for example: <h2> tags are used to define second HTML headings of … Read more
Classes that descend from Control have a Text property you can set for this, and a Button is one of those.. Some controls like Button and Label have a Text that isn’t set by the user, only the developer. Others (TextBox) are user editable, and you’d read from the Text property to find out what … Read more
Try this: private void button1_Click(object sender, EventArgs e) { if (progressBar1.Value < progressBar1.Maximum) progressBar1.Value++; } But note, you cannot set Value to a higher number than Maximum