小编Ran*_*y_a的帖子

我有这个脚本.

我已经经历了堆栈溢出问题的许多变化,并使用解决方案尝试构建知识来做到这一点,但它似乎每次都失败,有人可以帮忙吗？

public class Main extends Activity implements OnClickListener {

    private EditText value;
    private Button btn;
    private ProgressBar pb;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        value = (EditText) findViewById(R.id.editText1);
        btn = (Button) findViewById(R.id.button1);
        pb = (ProgressBar) findViewById(R.id.progressBar1);
        pb.setVisibility(View.GONE);
        btn.setOnClickListener(this);
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }

    public void onClick(View v) {
        // TODO Auto-generated method stub
        if (value.getText().toString().length() < 1) {
            // out of range
            Toast.makeText(this, "please enter something", Toast.LENGTH_LONG)
                    .show();
        } else …