我已对单一值进行了一些验证，但它正在运行，但在此代码中，验证无效 请给出一些答案。它没有给出任何错误 它只是进入下一个活动而没有验证任何东西。
package com.example.snooder;
import java.util.ArrayList;
import java.util.List;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.Toast;
import android.widget.RelativeLayout.LayoutParams;
public class players extends Activity {
LinearLayout player_layout;
Bundle b;
EditText[] ed1;
List<EditText> allEds = new ArrayList<EditText>();
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.players);
b = getIntent().getExtras();
String resStr = b.getString("name");
player_layout = (LinearLayout) findViewById(R.id.player_layout);
ed1 = new EditText[Integer.parseInt(resStr)+1];
Button add_player = new Button(players.this);
add_player.setText("Add Players");
for(int i=1;i<=Integer.parseInt(resStr);i++)
{
ed1[i] = new EditText(players.this);
allEds.add(ed1[i]);
player_layout.addView(ed1[i]);
ed1[i].setId(i);
ed1[i].setHint("enter player" +i+ "name");
ed1[i].setHeight(50);
ed1[i].setWidth(300);
}
LayoutParams lp = new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT);
player_layout.addView(add_player, lp);
add_player.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
// TODO Auto-generated method stub
if (ed1== null )
{
for(int i=0; i < allEds.size()+1; i++)
{
if(null== ed1 || ed1[i].length() == 0)
{
Toast.makeText(getApplicationContext(), "please enter player name", Toast.LENGTH_LONG).show();
break;
}
}
}
else
{
Intent intent = new Intent(players.this,player_name.class);
String[] strings = new String[allEds.size()];
for(int i=0; i < allEds.size(); i++)
{
strings[i] = allEds.get(i).getText().toString();
intent.putExtra("playerName",strings);
}
startActivity(intent);
}
}
});
}
}