public class EditTextActivity extends Activity {

    private EditText nameEditText;

    private EditText passwordEditText;

    private EditText ageEditText;

    private Button button;

//编辑文本

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.edit_text);

        nameEditText = (EditText)findViewById(R.id.nameEditTextId);

        passwordEditText = (EditText)findViewById(R.id.passwordEditTextId);

        ageEditText = (EditText)findViewById(R.id.ageEditTextId);

        button = (Button)findViewById(R.id.buttonId);

        button.setOnClickListener(new View.OnClickListener() {

            public void onClick(View v) {

                //获取你输入的姓名，密码，年龄

                String name = nameEditText.getText().toString().trim();

                String password = passwordEditText.getText().toString().trim();

                String ageString = ageEditText.getText().toString().trim();

                //用于提示消息

                Toast.makeText(EditTextActivity.this, "name="+name+"\r\npassword="+password+

                        "\r\nage="+ageString, Toast.LENGTH_LONG).show();

            }

        });

    }

}

<?xml version="1.0" encoding="utf-8"?>

<!-- 文本编辑 -->

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:orientation="vertical"

    android:padding="5dp" >

    <TextView

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:text="姓名:"

        android:textSize="20sp" />

    <EditText

        android:id="@+id/nameEditTextId"

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:hint="请输入姓名" />

    <TextView

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:text="密码:"

        android:textSize="20sp" />

    <EditText

        android:id="@+id/passwordEditTextId"

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:hint="请输入密码"

        android:inputType="textPassword" />

    <TextView

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:text="年龄:"

        android:textSize="20sp" />

    <EditText

        android:id="@+id/ageEditTextId"

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:hint="请输入年龄"

        android:inputType="number"

        android:maxLength="3" />

    <TextView

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:text="不可编辑"

        android:textSize="20sp" />

    <EditText

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:editable="false"

        android:hint="这里的内容不可以被更改" />

    <TextView

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:text="不可获取焦点(也不可以编辑)"

        android:textSize="20sp" />

    <EditText

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:focusable="false"

        android:hint="这个输入框获取不到焦点" />

    <Button

        android:id="@+id/buttonId"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="显示用户所填写的信息" />

</LinearLayout>