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@ -1,341 +0,0 @@
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### 小米便签功能添加
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##### 功能一、更换背景
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###### 1、在res文件夹下的menu中的note_list.xml文件中加入所需要的按钮
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```xml
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<item
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android:id="@+id/menu_girl"
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android:title="menu_girl"/>
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<item
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android:id="@+id/menu_sea"
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android:title="menu_sea"/>
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<item
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android:id="@+id/menu_sweet"
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android:title="menu_sweet"/>
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```
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###### 2、点击按钮后进行背景更换
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在**ui**包里的**NotelistActivity**中的**onOptionsItemSelected**函数中编写用户选择任一个背景后系统要进行的反应
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```java
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public boolean onOptionsItemSelected(MenuItem item) {
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switch (item.getItemId()) {
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case R.id.menu_new_folder: {
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showCreateOrModifyFolderDialog(true);
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break;
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}
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case R.id.menu_export_text: {
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exportNoteToText();
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break;
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}
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case R.id.menu_sync: {
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if (isSyncMode()) {
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if (TextUtils.equals(item.getTitle(), getString(R.string.menu_sync))) {
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GTaskSyncService.startSync(this);
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} else {
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GTaskSyncService.cancelSync(this);
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}
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} else {
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startPreferenceActivity();
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}
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break;
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}
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case R.id.menu_setting: {
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startPreferenceActivity();
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break;
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}
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case R.id.menu_new_note: {
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createNewNote();
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break;
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}
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case R.id.menu_search:
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onSearchRequested();
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break;
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case R.id.menu_girl: {
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mode = 1;
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getWindow().setBackgroundDrawableResource(R.drawable.menu_girl);
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break;
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}
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case R.id.menu_sea: {
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mode = 2;
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getWindow().setBackgroundDrawableResource(R.drawable.menu_sea);
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break;
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}
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case R.id.menu_sweet: {
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mode = 3;
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getWindow().setBackgroundDrawableResource(R.drawable.menu_sweet);
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break;
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}
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default:
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break;
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}
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return true;
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}
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```
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###### 3、效果展示
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##### 功能二、笔记字符数统计
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###### 1、设置TextView
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首先在note_edit.xml中添加id为**"@+id/text_num"**的TextView，用于显示实时字符数的统计结果
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```xml
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<TextView
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android:id="@+id/text_num"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:layout_gravity="right|center_vertical"
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android:layout_marginRight="8dip"
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/>
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```
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###### 2、文本监听器
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然后设置一个文本监听器，利用相应的方法去接受实时的文本数据，并将这些数据变成字符串并返回它们的长度
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```java
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private void count(){
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editText = (EditText) findViewById(R.id.note_edit_view);
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textView = (TextView) findViewById(R.id.text_num);
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editText.addTextChangedListener(new TextWatcher() {
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int currentLength = 0;
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@Override
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public void beforeTextChanged(CharSequence s, int start, int count, int after) {
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textView.setText("字符数：" + currentLength);
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}
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@Override
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public void onTextChanged(CharSequence s, int start, int before, int count) {
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currentLength = editText.getText().length();
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}
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@Override
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public void afterTextChanged(Editable s) {
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textView.setText("字符数：" + currentLength);
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}
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});
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}
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```
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###### 3、将其添加到onCreate（）方法中
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```java
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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this.setContentView(R.layout.note_edit);
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if (savedInstanceState == null && !initActivityState(getIntent())) {
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finish();
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return;
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}
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initResources();
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count();
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}
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```
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###### 4、效果展示
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##### 功能三、实现登录功能
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###### 1、设置布局
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```xml
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<?xml version="1.0" encoding="utf-8"?>
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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:app="http://schemas.android.com/apk/res-auto"
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xmlns:tools="http://schemas.android.com/tools"
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android:layout_width="match_parent"
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android:layout_height="match_parent"
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tools:context=".ui.LoginActivity"
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android:orientation="vertical">
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<LinearLayout
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android:orientation="horizontal"
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android:layout_width="match_parent"
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android:layout_height="60dp"
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android:layout_gravity="center">
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<TextView
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android:hint="账号"
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android:layout_width="90dp"
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android:layout_height="wrap_content"
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android:layout_gravity="center_vertical"
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android:textSize="18sp"
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android:text="@string/prompt_account" />
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<EditText
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android:id="@+id/account"
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android:layout_width="0dp"
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android:layout_height="wrap_content"
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android:layout_gravity="center_vertical"
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android:layout_weight="1"
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tools:ignore="TouchTargetSizeCheck,TouchTargetSizeCheck,SpeakableTextPresentCheck" />
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</LinearLayout>
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<LinearLayout
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android:orientation="horizontal"
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android:layout_width="match_parent"
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android:layout_height="60dp"
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android:layout_gravity="center">
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<TextView
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android:hint="密码"
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android:layout_width="90dp"
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android:layout_height="wrap_content"
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android:layout_gravity="center_vertical"
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android:text="@string/prompt_password"
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android:textSize="18sp" />
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<EditText
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android:id="@+id/password"
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android:layout_width="0dp"
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android:layout_height="wrap_content"
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android:layout_gravity="center_vertical"
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android:layout_weight="1"
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android:inputType="textPassword"
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android:minHeight="48dp"
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tools:ignore="SpeakableTextPresentCheck" />
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</LinearLayout>
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<LinearLayout
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android:orientation="horizontal"
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android:layout_width="match_parent"
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android:layout_height="60dp"
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android:layout_gravity="center">
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<Button
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android:hint="登录"
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android:id="@+id/login"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:layout_weight="1"
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android:text="@string/prompt_login" />
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<Button
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android:id="@+id/cancel"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:layout_weight="1"
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android:hint="退出"
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android:text="@string/cancel" />
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</LinearLayout>
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</LinearLayout>
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```
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###### 2、添加LoginActivity类进行登录
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~~~toml
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账号：yinuo
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密码：9410
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~~~
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```
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package net.micode.notes.ui;
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import android.app.Activity;
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import android.app.ProgressDialog;
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import android.content.Intent;
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import android.os.Bundle;
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import android.view.View;
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import android.widget.Button;
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import android.widget.EditText;
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import android.widget.Toast;
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import net.micode.notes.R;
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public class LoginActivity extends Activity {
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private EditText accountEdit;
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private EditText passwordEdit;
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private Button login;
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private Button cancel;
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@Override
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protected void onCreate(Bundle savedInstanceState){
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super.onCreate(savedInstanceState);
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setContentView(R.layout.activity_login);
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accountEdit=(EditText) findViewById(R.id.account);
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passwordEdit=(EditText) findViewById(R.id.password);
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login=(Button)findViewById(R.id.login);
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cancel=(Button)findViewById(R.id.cancel);
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cancel.setOnClickListener(new View.OnClickListener(){
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public void onClick(View view) {
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String account = accountEdit.getText().toString();
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String password = passwordEdit.getText().toString();
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if(account.equals("yinuo") && password.equals("9410")){
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// 登录功能
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ProgressDialog progressDialog = new ProgressDialog(LoginActivity.this);
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progressDialog.setTitle(R.string.Loading);
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progressDialog.setMessage("Loading...");
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progressDialog.setCancelable(true);
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progressDialog.show();
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Intent intent = new Intent(LoginActivity.this,NotesListActivity.class);
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startActivity(intent);
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finish();
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}
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else {
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Toast.makeText(LoginActivity.this, R.string.invalid,Toast.LENGTH_SHORT).show();
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}
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}
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});
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}
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}
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```
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###### 3、效果展示
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3.1 密码错误的情况下
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3.2 账号密码都正确进入小米便签
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