学步园

布局文件：main.xml

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

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

    android:layout_width="fill_parent"

    android:layout_height="fill_parent">

    <!-- 姓名标签 -->

    <TextView

        android:id="@+id/nameText"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_alignParentLeft="true"

        android:layout_alignParentTop="true"

        android:layout_marginTop="10px"

        android:textStyle="bold"

        android:text="@string/name"

        />

    <!-- 姓名输入框 -->

    <EditText

        android:id="@+id/nameEdit"

        android:layout_width="fill_parent"

        android:layout_height="wrap_content"

        android:layout_toRightOf="@id/nameText"

        android:layout_alignTop="@id/nameText"

        />

    <!-- 电话 -->

    <TextView

        android:id="@+id/telText"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_below="@id/nameEdit"

        android:layout_alignParentLeft="true"

        android:textStyle="bold"

        android:text="@string/tel"

        />

    <!-- 电话输入框 -->

    <EditText

        android:id="@+id/telEdit"

        android:layout_width="fill_parent"

        android:layout_height="wrap_content"

        android:layout_toRightOf="@id/telText"

        android:layout_alignTop="@id/telText"

        />

    <!-- 反馈内容 -->

    <TextView

        android:id="@+id/contentText"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_below="@id/telEdit"

        android:layout_alignParentLeft="true"

        android:textStyle="bold"

        android:text="@string/content"

        />

    <!-- 反馈输入框 -->

    <EditText

        android:id="@+id/contentEdit"

        android:layout_width="fill_parent"

        android:layout_height="120px"

        android:layout_toRightOf="@id/contentText"

        android:layout_alignTop="@id/contentText"

        />

</RelativeLayout>

MainActivity

import android.app.Activity;

import android.content.SharedPreferences;

import android.os.Bundle;

import android.widget.EditText;

import android.widget.TextView;

 

public class MainActivity extends Activity {

    private EditText nameEdit;

    private EditText telEdit;

    private EditText contentEdit;

    private final String PREFERENCES_NAME = "feedback";

 

    @Override

    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.main);

 

        nameEdit = (EditText) findViewById(R.id.nameEdit);

        telEdit = (EditText) findViewById(R.id.telEdit);

        contentEdit = (EditText) findViewById(R.id.contentEdit);

 

        SharedPreferences mySharedPreferences = getSharedPreferences(

                PREFERENCES_NAME, MODE_PRIVATE);

        nameEdit.setText(mySharedPreferences.getString("name", ""));

        telEdit.setText(mySharedPreferences.getString("tel", ""));

    }

 

    @Override

    public void onStop() {

        SharedPreferences mySharedPreferences = getSharedPreferences(

                PREFERENCES_NAME, MODE_PRIVATE);

        SharedPreferences.Editor editor = mySharedPreferences.edit();

        editor.putString("name", nameEdit.getText().toString());

        editor.putString("tel", telEdit.getText().toString());

 

        editor.commit();

        super.onStop();

    }

}