嗨伙计们...请帮助我..我希望每次单击上一个按钮时都应该一个一个返回，例如，如果我按下一个下一个按钮，那么单击上一个按钮应该返回一个，如果我按下两个或更多次，然后在每次点击上一次又一次地转到上一次，然后再次上一次。
xml代码
<TextView
android:id="@+id/tvSTNN"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:layout_marginTop="19dp"
android:text="1"
android:textAppearance="?android:attr/textAppearanceLarge"
android:textColor="#F2416B"
android:textSize="150sp" />
<TextView
android:id="@+id/tvSTN"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/tvSTNN"
android:layout_centerHorizontal="true"
android:layout_marginTop="33dp"
android:text="ONE"
android:textAppearance="?android:attr/textAppearanceLarge"
android:textColor="#F2416B"
android:textSize="100sp" />
<LinearLayout
android:id="@+id/linearLayout1"
android:layout_marginTop="400dp"
android:layout_centerHorizontal="true"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal" >
<Button
android:id="@+id/btnRestart"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Restart"
/>
<Button
android:id="@+id/btnNext"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Next"
/>
<Button
android:id="@+id/btnPrevious"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Previous"
/>
</LinearLayout>
爪哇代码
package com.newApp.textfield;
import android.app.Activity;
import android.graphics.Color;
import android.os.Bundle;
import android.view.Menu;
import android.view.View;
import android.widget.Button;
import android.widget.RelativeLayout;
import android.widget.TextView;
public class SpellToNumbers extends Activity implements View.OnClickListener{
Button btn_Next;
Button btnRestart;
Button btn_previous;
TextView tvSTN, tvSTNN;
int a;
RelativeLayout stnXML;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.spell_to_numbers);
tvSTN = (TextView) findViewById(R.id.tvSTN);
tvSTNN = (TextView) findViewById(R.id.tvSTNN);
stnXML = (RelativeLayout) findViewById(R.id.stnXML);
btn_Next = (Button) findViewById(R.id.btnNext);
btn_Next.setOnClickListener(this);
btnRestart = (Button) findViewById(R.id.btnRestart);
btnRestart.setOnClickListener(this);
btn_previous = (Button) findViewById(R.id.btnPrevious);
btn_previous.setOnClickListener(this);
}//onCreate 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;
}//onCreateOptionMenu end
@Override
public void onClick(View v) {
switch (v.getId())
{
case R.id.btnRestart:
tvSTNN.setText("1");
tvSTN.setText("ONE");
tvSTNN.setTextColor(Color.parseColor("#F2416B"));
tvSTN.setTextColor(Color.parseColor("#F2416B"));
stnXML.setBackgroundColor(Color.parseColor("#3FD161"));
a = 0;
break;
case R.id.btnNext:
if (a == 0)
{
tvSTNN.setText("2");
tvSTNN.setTextColor(Color.parseColor("#F0EFDA"));
tvSTN.setText("TWO");
tvSTN.setTextColor(Color.parseColor("#F0EFDA"));
stnXML.setBackgroundColor(Color.parseColor("#0A0EF5"));
a = 1;
}
else if (a == 1)
{
tvSTNN.setText("3");
tvSTNN.setTextColor(Color.parseColor("#F5F507"));
tvSTN.setText("THREE");
tvSTN.setTextColor(Color.parseColor("#F5F507"));
stnXML.setBackgroundColor(Color.parseColor("#D15BE3"));
a = 2;
}
else if (a == 2)
{
tvSTNN.setText("4");
tvSTNN.setTextColor(Color.parseColor("#0AF5DD"));
tvSTN.setText("FOUR");
tvSTN.setTextColor(Color.parseColor("#0AF5DD"));
stnXML.setBackgroundColor(Color.parseColor("#F50A0A"));
a = 3;
}
else if (a == 3)
{
tvSTNN.setText("5");
tvSTNN.setTextColor(Color.parseColor("#171117"));
tvSTN.setText("FIVE");
tvSTN.setTextColor(Color.parseColor("#171117"));
stnXML.setBackgroundColor(Color.parseColor("#0AF5DD"));
a = 4;
}
else if (a == 4)
{
tvSTNN.setText("6");
tvSTNN.setTextColor(Color.parseColor("#072BF5"));
tvSTN.setText("SIX");
tvSTN.setTextColor(Color.parseColor("#072BF5"));
stnXML.setBackgroundColor(Color.parseColor("#0AF525"));
a = 5;
}
else if (a == 5)
{
tvSTNN.setText("7");
tvSTNN.setTextColor(Color.parseColor("#8F0AF5"));
tvSTN.setText("SEVEN");
tvSTN.setTextColor(Color.parseColor("#8F0AF5"));
stnXML.setBackgroundColor(Color.parseColor("#F5F10A"));
a = 6;
}
else if (a == 6)
{
tvSTNN.setText("8");
tvSTNN.setTextColor(Color.parseColor("#37F507"));
tvSTN.setText("EIGHT");
tvSTN.setTextColor(Color.parseColor("#37F507"));
stnXML.setBackgroundColor(Color.parseColor("#9C2497"));
a = 7;
}
else if (a == 7)
{
tvSTNN.setText("9");
tvSTNN.setTextColor(Color.parseColor("#F50707"));
tvSTN.setText("NINE");
tvSTN.setTextColor(Color.parseColor("#F50707"));
stnXML.setBackgroundColor(Color.parseColor("#BAF50A"));
a = 8;
}
else if (a == 8)
{
tvSTNN.setText("10");
tvSTNN.setTextColor(Color.parseColor("#0ACAF5"));
tvSTN.setText("TEN");
tvSTN.setTextColor(Color.parseColor("#0ACAF5"));
stnXML.setBackgroundColor(Color.parseColor("#F5700A"));
tvSTN.setClickable(false);
}
break;
case R.id.btnPrevious:
a--;
btn_Next.performClick();
break;
}//switch end
}//onClick end
}//class end