第八次作业

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="#e7e7e7"
    tools:context=".MainActivity" >
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical">
        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_weight="1"
            android:orientation="vertical">
            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_weight="1"
                android:background="#e7e7e7">

                <ImageView
                    android:layout_width="match_parent"
                    android:layout_height="match_parent"
                    android:src="@drawable/hh"
                    android:layout_marginBottom="50dp"/>

            </LinearLayout>
            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_weight="1"
                android:orientation="vertical">
                <LinearLayout
                    android:layout_width="match_parent"
                    android:layout_height="match_parent"
                    android:layout_weight="1"
                    android:background="#ffffff"
                    android:orientation="horizontal">
                    <TextView

                        android:layout_width="0dp"
                        android:layout_height="match_parent"
                        android:text="账号"
                        android:textColor="#000000"
                        android:gravity="center_vertical"
                        android:layout_marginLeft="8dp"
                        android:layout_weight="1"/>

                    <EditText
                        android:id="@+id/admin"
                        android:layout_width="0dp"
                        android:layout_height="match_parent"
                        android:hint="QQ账号"
                        android:textColor="#000000"
                        android:layout_weight="7" />
                    <TextView
                        android:id="@+id/admin1"
                        android:layout_width="0dp"
                        android:layout_height="0dp"
                        android:text="123456"
                        />
                </LinearLayout>
                <LinearLayout
                    android:layout_width="match_parent"
                    android:layout_height="match_parent"
                    android:layout_weight="1"
                    android:background="#ffffff"
                    android:layout_marginTop="5dp"
                    android:orientation="horizontal">

                    <TextView
                        android:layout_width="0dp"
                        android:layout_height="match_parent"
                        android:layout_marginLeft="8dp"
                        android:layout_weight="1"
                        android:text="密码"
                        android:gravity="center_vertical"
                        android:textColor="#000000" />

                    <EditText
                        android:id="@+id/password"
                        android:layout_width="0dp"
                        android:layout_height="match_parent"
                        android:gravity="center_vertical"
                        android:hint="QQ密码"
                        android:inputType="textPassword"
                        android:textColor="#000000"
                        android:layout_weight="7"  />

                </LinearLayout>
            </LinearLayout>
        </LinearLayout>
        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_weight="1"
            android:orientation="vertical">
            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="0dp"
                android:orientation="vertical"
                android:layout_weight="1">

                <Button
                    android:id="@+id/login"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_marginTop="15dp"
                    android:background="#398ec6"
                    android:onClick="click"
                    android:text="登录" />
                <TextView
                    android:id="@+id/textview"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:text=""
                    android:layout_gravity="center_horizontal"
                    android:layout_marginTop="40dp"
                    android:textSize="15dp" />
            </LinearLayout>
        </LinearLayout>
    </LinearLayout>
</RelativeLayout>

package com.example.myapplication;

import android.app.Activity;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;

public class MainActivity extends Activity {

    private TextView mTextview;
    EditText admin;
    EditText password;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        Button  Login =(Button) findViewById(R.id.login);
        mTextview = (TextView) findViewById(R.id.textview);
        admin = (EditText) findViewById(R.id.admin);
        password = (EditText) findViewById(R.id.password);
        getsp(admin, password);
        Login.setOnClickListener(new View.OnClickListener() {
            TextView textView;
            @Override
            public void onClick(View view) {

                String admin1=admin.getText().toString().trim();
                String password1=password.getText().toString().trim();

                setsp(admin1, password1);

            }

            private void setsp(String admin1, String password1) {
                SharedPreferences sp = getSharedPreferences("qq", MODE_PRIVATE);
                Editor edit = sp.edit();
                edit.putString("admin", admin1);
                edit.putString("password", password1);
                edit.commit();
            }




        });
    }
    private void getsp(EditText admin, EditText password) {
        SharedPreferences sp = getSharedPreferences("qq", MODE_PRIVATE);
        admin.setText(sp.getString("admin", ""));
        password.setText(sp.getString("password", ""));
    }


}