学步园

demo: Android中EditText密码样式设置

package com.example.preferencescreen;

import android.app.Activity;
import android.os.Bundle;
import android.text.method.HideReturnsTransformationMethod;
import android.text.method.PasswordTransformationMethod;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.CompoundButton.OnCheckedChangeListener;
import android.widget.EditText;

public class PasswordActivity extends Activity {
	private EditText ed;

	private CheckBox cb;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		// TODO Auto-generated method stub
		super.onCreate(savedInstanceState);
		setContentView(R.layout.password);
		ed = (EditText) findViewById(R.id.editText1);

		cb = (CheckBox) findViewById(R.id.checkBox1);

		cb.setChecked(false);

		cb.setOnCheckedChangeListener(new OnCheckedChangeListener() {

			@Override
			public void onCheckedChanged(CompoundButton arg0, boolean arg1) {

				// TODO Auto-generated method stub

				if (cb.isChecked())
<span style="white-space:pre">					</span>//显示密码
					ed.setTransformationMethod(HideReturnsTransformationMethod

					.getInstance());

				else
<span style="white-space:pre">					</span>//隐藏密码
					ed.setTransformationMethod(PasswordTransformationMethod

					.getInstance());

			}

		});
	}

}