我正在编写一个Android应用程序,我在一个视图上有8个按钮,它们都具有相同的功能,所以我想使用for循环为每个按钮分配相同的功能,而不是写出8个单独的代码.但是,当我想在onClick函数中使用for循环中的计数器来帮助触发intent时,会出现一个问题,这里是代码:
//array of button ids
public int [] pickPlayers = { R.id.pick_player_1a, R.id.pick_player_2a, R.id.pick_player_3a, R.id.pick_player_4a, R.id.pick_player_1b, R.id.pick_player_2b, R.id.pick_player_3b, R.id.pick_player_4b};
//button to be used in for loop
public Button b;
//for loop to assign same functionality to buttons in pickPlayers array
for(int i = 0; i<pickPlayers.length; i++){
b = (Button) findViewById(pickPlayers[i]);
b.setonClickListener(new Button.OnClickListener() {
@Override
public void onClick(View v) {
// Todo Auto-generated method stub
Intent getContactIntent = new Intent(Intent.ACTION_PICK, ContactsContract.Contacts.CONTENT_URI);
startActivityForResult(getContactIntent, i);
}
});
};
希望所有人都有意义,感谢任何可以提供帮助的人.