自动登录

1.

package com.example.minitwittersimulate;import android.os.Bundle;import android.app.Activity;import android.app.ProgressDialog;import android.content.Intent;import android.content.SharedPreferences;import android.view.View;import android.view.View.OnClickListener;import android.view.Window;import android.widget.Button;import android.widget.CheckBox;import android.widget.CompoundButton;import android.widget.CompoundButton.OnCheckedChangeListener;import android.widget.EditText;import android.widget.Toast;public class MainActivity extends Activity {private EditText name;private EditText pass;private CheckBox isRemenber;private CheckBox isLoginSelf;private Button longin;private ProgressDialog mDialog;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);requestWindowFeature(Window.FEATURE_NO_TITLE);setContentView(R.layout.activity_main);name = (EditText) findViewById(R.id.etUsername);pass = (EditText) findViewById(R.id.etPassword);isRemenber = (CheckBox) findViewById(R.id.cbRememberPass);isLoginSelf = (CheckBox) findViewById(R.id.autologin);longin = (Button) findViewById(R.id.btnLogin);final SharedPreferences sharedPreferences = getSharedPreferences("data", MODE_PRIVATE);if (sharedPreferences != null) {if (sharedPreferences.getBoolean("isrmb", false) == true) {name.setText(sharedPreferences.getString("name", null));pass.setText(sharedPreferences.getString("pass", null));isRemenber.setChecked(true);}if (sharedPreferences.getBoolean("islgs", false) == true) {isLoginSelf.setChecked(true);ceratDialog();new Thread() {public void run() {try {Thread.sleep(3000);if (mDialog.isShowing()) {mDialog.dismiss();}Intent intent2 = new Intent(MainActivity.this,newpager.class);startActivity(intent2);// finish();} catch (Exception e) {}}}.start();}}isRemenber.setOnCheckedChangeListener(new OnCheckedChangeListener() {@Overridepublic void onCheckedChanged(CompoundButton buttonView,boolean isChecked) {// TODO Auto-generated method stubif (isRemenber.isClickable() == false) {isLoginSelf.setChecked(false);}}});isLoginSelf.setOnCheckedChangeListener(new OnCheckedChangeListener() {@Overridepublic void onCheckedChanged(CompoundButton buttonView,boolean isChecked) {// TODO Auto-generated method stubisRemenber.setChecked(true);}});longin.setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View v) {// TODO Auto-generated method stubif (!name.getText().toString().equals("")&& !pass.getText().toString().equals("")) {if (isLoginSelf.isChecked()) {sharedPreferences.edit().putBoolean("isrmb", true).putBoolean("islgs", true).putString("name", name.getText().toString()).putString("pass", pass.getText().toString()).commit();} else if (isRemenber.isChecked()) {sharedPreferences.edit().putBoolean("isrmb", true).putBoolean("islgs", false).putString("name", name.getText().toString()).putString("pass", pass.getText().toString()).commit();} else {sharedPreferences.edit().putBoolean("isrmb", false).putBoolean("islgs", false).putString("name", name.getText().toString()).putString("pass", pass.getText().toString()).putString("pass", pass.getText().toString()).commit();}Intent intent = new Intent(MainActivity.this,newpager.class);startActivity(intent);finish();} else {Toast.makeText(getApplicationContext(), "密码或账号不能为空！",Toast.LENGTH_LONG).show();}}});}/** * public void to2 (View view) { Intent intent=new Intent(); * intent.setClass(this,welcome.class); startActivity(intent); } **//** * public void save (View view) { SharedPreferences * sharedPreferences=getSharedPreferences("data",MODE_PRIVATE); Editor * editor=sharedPreferences.edit(); editor.putString("username","user"); * editor.putString("password","password"); editor.commit(); } **/private void ceratDialog() {mDialog = new ProgressDialog(this);mDialog.setTitle("验证中");mDialog.setMessage("正在登陆请稍后");mDialog.setIndeterminate(true);mDialog.setCancelable(true);mDialog.show();}}

2.

import android.app.Activity;import android.os.Bundle;import android.view.Window;public class newpager extends Activity {protected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);requestWindowFeature(Window.FEATURE_NO_TITLE);setContentView(R.layout.newpager);}}

3.登陆成功

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:orientation="vertical"     android:background="#DB70DB">    <TextView        android:id="@+id/textView1"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="登陆成功，正在跳转界面。。"                android:textSize="13dp"        android:layout_gravity="center_horizontal"       android:layout_margin="40dp"/></LinearLayout>