calculate.rar_android

package calculate.proj; import android.app.Activity; import android.os.Bundle; import android.util.Log; import android.view.View; import android.widget.Button; import android.widget.TextView; public class CalculateActivity extends Activity { /** Called when the activity is first created. */ public String tag="Debug:"; public TextView display_text,before_text; public Button num_Button1,num_Button2,num_Button3,num_Button4,num_Button5, num_Button6,num_Button7,num_Button8,num_Button9,num_Button0; public Button op_button1,op_button2,op_button3,op_button4,op_button5; // +, -, *, /, = public int number_count=0,last_op=0,start_count=0; public float[] cal_number; public float tmp1=0,tmp2=0,ans=0; // public float calculate_numbers(float x,float y,int op) // { // float cal_num=0; // return cal_num; // }; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.calculate_layout); //declare the tmp cal_number=new float[]{0,0,0,0,0,0,0,0,0,0}; before_text=(TextView)findViewById(R.id.textView2); before_text.setTextSize(15); before_text.setText("0"); //textView1 display_text=(TextView)findViewById(R.id.textView1); display_text.setTextSize(25); display_text.setText("0"); //num 1 num_Button1=(Button)findViewById(R.id.button1); num_Button1.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub //view2 if(start_count==0) { before_text.setText("1"); }else { before_text.setText(before_text.getText()+"1"); } //view2--end if((last_op==1)||(start_count==0) ) { display_text.setText("1"); last_op=0; }else { display_text.setText(display_text.getText()+"1"); } start_count++; } }); //num 1--end //op: + op_button1=(Button)findViewById(R.id.button11); op_button1.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub //display_text.setText(display_text.getText()+"9"); if((last_op!=1)&&(start_count!=0) ) { //view2 if(start_count==0) { Log.d(tag,"start_count=0"); }else { before_text.setText(before_text.getText()+"+"); } //view2--end cal_number[number_count]=Float.parseFloat(display_text.getText().toString()); Log.d(tag,""+cal_number[number_count]); number_count++; last_op=1; } } }); //op: +--end //op: = op_button5=(Button)findViewById(R.id.button16); op_button5.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub cal_number[number_count]=Float.parseFloat(display_text.getText().toString()); Log.d(tag,""+cal_number[number_count]); ans=cal_number[number_count-1]+cal_number[number_count]; Log.d(tag,""+ans); display_text.setText(Float.toString(ans)); number_count=0; } }); //op: = --end } }