Android+Blockly大作业（含登录注册系统、碎片式浏览、Blockly设计）
2024-05-14 13:59:34
此次大作业实现功能包括：
1.数据库的搭建
2.登录注册界面及主界面界面的设计
3.碎片的应用
4.webBlockly的嵌套
我曾在不同活动调用数据库的bug、数据库的检索和碎片的实现上花了很多时间，
所幸这些问题都解决了，有部分注释标注了曾经的bug所在。
一些调试代码已经删除，使代码看起来简洁一些。
AndroidManifest.xml
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"xmlns:tools="http://schemas.android.com/tools"package="com.example.finaltest"><uses-permission android:name="android.permission.INTERNET" /><applicationandroid:allowBackup="true"android:icon="@mipmap/ic_launcher"android:label="@string/app_name"android:roundIcon="@mipmap/ic_launcher_round"android:supportsRtl="true"android:theme="@style/Theme.FinalTest"android:usesCleartextTraffic="true"tools:targetApi="m"><activityandroid:name=".PoetryActivity"android:exported="false" /><activityandroid:name=".PoetryContentActivity"android:exported="false" /><activityandroid:name=".AccessLOLBlocklyActivity"android:exported="false" /><activityandroid:name=".AccessBilibiliActivity"android:exported="false" /><activityandroid:name=".RegisterActivity"android:exported="false" /><activityandroid:name=".LoginActivity"android:exported="true"><intent-filter><action android:name="android.intent.action.MAIN" /><category android:name="android.intent.category.LAUNCHER" /></intent-filter></activity><activityandroid:name=".ShowActivity"android:exported="false" /></application></manifest>
AccessBilibiliActivity
package com.example.finaltest;import androidx.appcompat.app.AppCompatActivity;import android.os.Bundle;
import android.webkit.WebView;
import android.webkit.WebViewClient;public class AccessBilibiliActivity extends AppCompatActivity {@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_access_bilibili);WebView webView=(WebView) findViewById(R.id.web_view);webView.getSettings().setJavaScriptEnabled(true);webView.setWebViewClient(new WebViewClient());webView.loadUrl("http://www.bilibili.com");}
}
AccessLOLBlocklyActivity
package com.example.finaltest;import androidx.appcompat.app.AppCompatActivity;import android.os.Bundle;
import android.webkit.WebView;
import android.webkit.WebViewClient;public class AccessLOLBlocklyActivity extends AppCompatActivity {@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_access_lolblockly);WebView webView=(WebView) findViewById(R.id.web_view);webView.getSettings().setJavaScriptEnabled(true);webView.setWebViewClient(new WebViewClient());webView.getSettings().setAllowFileAccess(true);webView.loadUrl("file:///android_asset/blockly/code/lolBlockly.html");}
}
LoginAcitivity
package com.example.finaltest;import androidx.appcompat.app.AppCompatActivity;import android.annotation.SuppressLint;
import android.content.Intent;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;public class LoginActivity extends AppCompatActivity {private EditText accountEdit;private EditText passwordEdit;private Button login;private Button register;private MyDatabaseHelper databaseHelper;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_login);databaseHelper=new MyDatabaseHelper(this,"AccountCollector.db",null,1);SQLiteDatabase database=databaseHelper.getWritableDatabase();accountEdit=(EditText) findViewById(R.id.account);passwordEdit=(EditText) findViewById(R.id.password);login=(Button) findViewById(R.id.login);login.setOnClickListener(new View.OnClickListener() {@SuppressLint("Range")@Overridepublic void onClick(View v) {String account=accountEdit.getText().toString();String password=passwordEdit.getText().toString();Cursor cursor=database.query("Account",null,"account=?",new String[]{account},null,null,null);if (cursor.moveToFirst()&&password.equals(cursor.getString(cursor.getColumnIndex("password")))){//曾经的BUG2:需先判断cursor是否找到，否则后者可能非法访问Intent intent=new Intent(LoginActivity.this, ShowActivity.class);startActivity(intent);Toast.makeText(LoginActivity.this,"欢迎，"+account,Toast.LENGTH_LONG).show();}else {Toast.makeText(LoginActivity.this,"账号或密码错误",Toast.LENGTH_SHORT).show();}cursor.close();}});register=(Button) findViewById(R.id.register);register.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {Intent intent=new Intent(LoginActivity.this,RegisterActivity.class);startActivity(intent);}});}
}
MyDatabaseHelper
package com.example.finaltest;import android.content.Context;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;public class MyDatabaseHelper extends SQLiteOpenHelper {public static final String CREATE_ACCOUNT="create table Account("+"id integer primary key autoincrement,"+"account text,"+"password text)";private Context myContext;public MyDatabaseHelper(Context context,String name,SQLiteDatabase.CursorFactory factory,int version){super(context,name,factory,version);myContext=context;}@Overridepublic void onCreate(SQLiteDatabase db) {db.execSQL(CREATE_ACCOUNT);}@Overridepublic void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {}
}Poetry
package com.example.finaltest;import android.content.Context;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;public class MyDatabaseHelper extends SQLiteOpenHelper {public static final String CREATE_ACCOUNT="create table Account("+"id integer primary key autoincrement,"+"account text,"+"password text)";private Context myContext;public MyDatabaseHelper(Context context,String name,SQLiteDatabase.CursorFactory factory,int version){super(context,name,factory,version);myContext=context;}@Overridepublic void onCreate(SQLiteDatabase db) {db.execSQL(CREATE_ACCOUNT);}@Overridepublic void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {}
}PoetryActivity
package com.example.finaltest;import androidx.appcompat.app.AppCompatActivity;import android.os.Bundle;public class PoetryActivity extends AppCompatActivity {@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_poetry);}
}
PoetryContentActivity
package com.example.finaltest;import androidx.appcompat.app.AppCompatActivity;import android.content.Context;
import android.content.Intent;
import android.os.Bundle;public class PoetryContentActivity extends AppCompatActivity {public static void actionStart(Context context, String poetryTitle, String poetryContent){Intent intent=new Intent(context,PoetryContentActivity.class);intent.putExtra("poetry_title",poetryTitle);intent.putExtra("poetry_content",poetryContent);context.startActivity(intent);}@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.poetry_content);String poetryTitle=getIntent().getStringExtra("poetry_title");String poetryContent=getIntent().getStringExtra("poetry_content");PoetryContentFragment poetryContentFragment=(PoetryContentFragment) getSupportFragmentManager().findFragmentById(R.id.poetry_content_fragment);poetryContentFragment.refresh(poetryTitle,poetryContent);}
}
PoetryContentFragment
package com.example.finaltest;import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;public class PoetryContentFragment extends Fragment {private View view;@Nullable@Overridepublic View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {view=inflater.inflate(R.layout.poetry_content_fragment,container,false);return view;}public void refresh(String poetryTitle,String poetryContent){View visibilityLayout=view.findViewById(R.id.visibility_layout);visibilityLayout.setVisibility(view.VISIBLE);TextView poetryTitleText=(TextView) view.findViewById(R.id.poetry_title);TextView poetryContentText=(TextView) view.findViewById(R.id.poetry_content);poetryTitleText.setText(poetryTitle);poetryContentText.setText(poetryContent);}
}PoetryTitleFragment
package com.example.finaltest;import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;import java.util.ArrayList;
import java.util.List;
import java.util.Random;public class PoetryTitleFragment extends Fragment {private boolean isTwoPane;@Overridepublic View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {View view=inflater.inflate(R.layout.poetry_title_fragment,container,false);RecyclerView poetryTitleRecyclerView=(RecyclerView) view.findViewById(R.id.poetry_title_recycler_view);LinearLayoutManager layoutManager=new LinearLayoutManager(getActivity());poetryTitleRecyclerView.setLayoutManager(layoutManager);PoetryAdapter adapter=new PoetryAdapter(getPoetry());poetryTitleRecyclerView.setAdapter(adapter);return view;}private List<Poetry>getPoetry(){List<Poetry>poetryList=new ArrayList<>();Poetry poetry1=new Poetry();Poetry poetry2=new Poetry();Poetry poetry3=new Poetry();Poetry poetry4=new Poetry();Poetry poetry5=new Poetry();Poetry poetry6=new Poetry();Poetry poetry7=new Poetry();Poetry poetry8=new Poetry();Poetry poetry9=new Poetry();Poetry poetry10=new Poetry();Poetry poetry11=new Poetry();Poetry poetry12=new Poetry();Poetry poetry13=new Poetry();Poetry poetry14=new Poetry();Poetry poetry15=new Poetry();Poetry poetry16=new Poetry();Poetry poetry17=new Poetry();Poetry poetry18=new Poetry();Poetry poetry19=new Poetry();Poetry poetry20=new Poetry();poetry1.setTitle("观沧海");poetry1.setContent(" 东临碣石，以观沧海。\n" +" 水何澹澹，山岛竦峙。\n" +" 树木丛生，百草丰茂。\n" +" 秋风萧瑟，洪波涌起。\n" +" 日月之行，若出其中；\n" +" 星汉灿烂，若出其里。\n" +" 幸甚至哉，歌以咏志。");poetryList.add(poetry1);poetry2.setTitle("子衿");poetry2.setContent(" 青青子衿，悠悠我心。\n" +" 纵我不往，子宁不嗣音？\n" +" 青青子佩，悠悠我思。\n" +" 纵我不往，子宁不来？\n" +" 挑兮达兮，在城阙兮。\n" +" 一日不见，如三月兮。");poetryList.add(poetry2);poetry3.setTitle("短歌行");poetry3.setContent(" 对酒当歌，人生几何！\n" +" 譬如朝露，去日苦多。\n" +" 慨当以慷，忧思难忘。\n" +" 何以解忧？唯有杜康。\n" +" 青青子衿，悠悠我心。\n" +" 但为君故，沉吟至今。\n" +" 呦呦鹿鸣，食野之苹。\n" +" 我有嘉宾，鼓瑟吹笙。\n" +" 明明如月，何时可掇？\n" +" 忧从中来，不可断绝。\n" +" 越陌度阡，枉用相存。\n" +" 契阔谈䜩，心念旧恩。\n" +" 月明星稀，乌鹊南飞。\n" +" 绕树三匝，何枝可依？\n" +" 山不厌高，海不厌深。\n" +" 周公吐哺，天下归心。");poetryList.add(poetry3);poetry4.setTitle("龟虽寿");poetry4.setContent(" 神龟虽寿，犹有竟时。\n" +" 腾蛇乘雾，终为土灰。\n" +" 老骥伏枥，志在千里。\n" +" 烈士暮年，壮心不已。\n" +" 盈缩之期，不但在天；\n" +" 养怡之福，可得永年。\n" +" 幸甚至哉，歌以咏志。");poetryList.add(poetry4);poetry5.setTitle("冬十月");poetry5.setContent(" 孟冬十月，北风徘徊，\n" +" 天气肃清，繁霜霏霏。\n" +" 鵾鸡晨鸣，鸿雁南飞，\n" +" 鸷鸟潜藏，熊罴窟栖。\n" +" 钱镈停置，农收积场，\n" +" 逆旅整设，以通贾商。\n" +" 幸甚至哉！歌以咏志。\n");poetryList.add(poetry5);poetry6.setTitle("关雎");poetry6.setContent(" 关关雎鸠，在河之洲。窈窕淑女，君子好逑。\n" +" 参差荇菜，左右流之。窈窕淑女，寤寐求之。\n" +" 求之不得，寤寐思服。悠哉悠哉，辗转反侧。\n" +" 参差荇菜，左右采之。窈窕淑女，琴瑟友之。\n" +" 参差荇菜，左右芼之。窈窕淑女，钟鼓乐之。");poetryList.add(poetry6);poetry7.setTitle("樛木");poetry7.setContent(" 南有樛木，葛藟累之。乐只君子，福履绥之。\n" +" 南有樛木，葛藟荒之。乐只君子，福履将之。\n" +" 南有樛木，葛藟萦之。乐只君子，福履成之。");poetryList.add(poetry7);poetry8.setTitle("桃夭");poetry8.setContent(" 桃之夭夭，灼灼其华。之子于归，宜其室家。\n" +" 桃之夭夭，有蕡其实。之子于归，宜其家室。\n" +" 桃之夭夭，其叶蓁蓁。之子于归，宜其家人。");poetryList.add(poetry8);poetry9.setTitle("兔罝");poetry9.setContent(" 肃肃兔罝，椓之丁丁。赳赳武夫，公侯干城。\n" +" 肃肃兔罝，施于中逵。赳赳武夫，公侯好仇。\n" +" 肃肃兔罝，施于中林。赳赳武夫，公侯腹心。");poetryList.add(poetry9);poetry10.setTitle("芣苢");poetry10.setContent(" 采采芣苢，薄言采之。采采芣苢，薄言有之。\n" +" 采采芣苢，薄言掇之。采采芣苢，薄言捋之。\n" +" 采采芣苢，薄言袺之。采采芣苢，薄言襭之");poetryList.add(poetry10);poetry11.setTitle("汉广");poetry11.setContent(" 南有乔木，不可休思；汉有游女，不可求思。\n" +" 汉之广矣，不可泳思；江之永矣，不可方思。\n" +" 翘翘错薪，言刈其楚；之子于归，言秣其马。\n" +" 汉之广矣，不可泳思；江之永矣，不可方思。\n" +" 翘翘错薪，言刈其蒌；之子于归，言秣其驹。\n" +" 汉之广矣，不可泳思；江之永矣，不可方思。");poetryList.add(poetry11);poetry12.setTitle("汝坟");poetry12.setContent(" 遵彼汝坟，伐其条枚。未见君子，惄如调饥。\n" +" 遵彼汝坟，伐其条肄。既见君子，不我遐弃。\n" +" 鲂鱼赪尾，王室如毁。虽则如毁，父母孔迩。");poetryList.add(poetry12);poetry13.setTitle("鹊巢");poetry13.setContent(" 维鹊有巢，维鸠居之。之子于归，百两御之。\n" +" 维鹊有巢，维鸠方之。之子于归，百两将之。\n" +" 维鹊有巢，维鸠盈之。之子于归，百两成之。");poetryList.add(poetry13);poetry14.setTitle("采蘩");poetry14.setContent(" 于以采蘩？于沼于沚。于以用之？公侯之事。\n" +" 于以采蘩？于涧之中。于以用之？公侯之宫。\n" +" 被之僮僮，夙夜在公。被之祁祁，薄言还归。");poetryList.add(poetry14);poetry15.setTitle("采蘋");poetry15.setContent(" 于以采蘋？南涧之滨。于以采藻？于彼行潦。\n" +" 于以盛之？维筐及筥。于以湘之？维锜及釜。\n" +" 于以奠之？宗室牖下。谁其尸之？有齐季女。");poetryList.add(poetry15);poetry16.setTitle("羔羊");poetry16.setContent(" 羔羊之皮，素丝五紽。退食自公，委蛇委蛇。\n" +" 羔羊之革，素丝五緎。委蛇委蛇，自公退食。\n" +" 羔羊之缝，素丝五总。委蛇委蛇，退食自公。");poetryList.add(poetry16);poetry17.setTitle("何彼襛矣");poetry17.setContent(" 何彼襛矣，唐棣之华？曷不肃雝？王姬之车。\n" +" 何彼襛矣，华如桃李？平王之孙，齐侯之子。\n" +" 其钓维何？维丝伊缗。齐侯之子，平王之孙。");poetryList.add(poetry17);poetry18.setTitle("绿衣");poetry18.setContent(" 绿兮衣兮，绿衣黄里。心之忧矣，曷维其已？\n" +" 绿兮衣兮，绿衣黄裳。心之忧矣，曷维其亡？\n" +" 绿兮丝兮，女所治兮。我思古人，俾无訧兮。\n" +" 絺兮绤兮，凄其以风。我思古人，实获我心。");poetryList.add(poetry18);poetry19.setTitle("终风");poetry19.setContent(" 终风且暴，顾我则笑。谑浪笑敖，中心是悼。\n" +" 终风且霾，惠然肯来。莫往莫来，悠悠我思。\n" +" 终风且曀，不日有曀。寤言不寐，愿言则嚏。\n" +" 曀曀其阴，虺虺其雷。寤言不寐，愿言则怀。");poetryList.add(poetry19);poetry20.setTitle("击鼓");poetry20.setContent(" 击鼓其镗，踊跃用兵。土国城漕，我独南行。\n" +" 从孙子仲，平陈与宋。不我以归，忧心有忡。\n" +" 爰居爰处？爰丧其马？于以求之？于林之下。\n" +" 死生契阔，与子成说。执子之手，与子偕老。\n" +" 于嗟阔兮，不我活兮。于嗟洵兮，不我信兮。");poetryList.add(poetry20);return poetryList;}@Overridepublic void onActivityCreated(@Nullable Bundle savedInstanceState) {super.onActivityCreated(savedInstanceState);isTwoPane= getActivity().findViewById(R.id.poetry_content_layout) != null;}class PoetryAdapter extends RecyclerView.Adapter<PoetryAdapter.ViewHolder> {private List<Poetry> poetryList;class ViewHolder extends RecyclerView.ViewHolder {TextView poetryTitleText;public ViewHolder(View view) {super(view);poetryTitleText = (TextView) view.findViewById(R.id.poetry_title);}}public PoetryAdapter(List<Poetry> _poetryList) {poetryList = _poetryList;}@NonNull@Overridepublic ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.poetry_item, parent, false);final ViewHolder viewHolder = new ViewHolder(view);view.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {Poetry poetry = poetryList.get(viewHolder.getAdapterPosition());if (isTwoPane) {PoetryContentFragment poetryContentFragment = (PoetryContentFragment) getFragmentManager().findFragmentById(R.id.poetry_content_fragment);poetryContentFragment.refresh(poetry.getTitle(), poetry.getContent());} else {PoetryContentActivity.actionStart(getActivity(), poetry.getTitle(), poetry.getContent());}}});return viewHolder;}@Overridepublic void onBindViewHolder(@NonNull ViewHolder holder, int position) {Poetry poetry = poetryList.get(position);holder.poetryTitleText.setText(poetry.getTitle());}@Overridepublic int getItemCount() {return poetryList.size();}}
}RegisterActivity
package com.example.finaltest;import androidx.appcompat.app.AlertDialog;
import androidx.appcompat.app.AppCompatActivity;import android.content.ContentValues;
import android.content.DialogInterface;
import android.content.Intent;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;public class RegisterActivity extends AppCompatActivity {private MyDatabaseHelper databaseHelper;private EditText registerAccountEdit;private EditText registerPasswordEdit1;private EditText registerPasswordEdit2;private Button registerConfirm;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_register);databaseHelper=new MyDatabaseHelper(this,"AccountCollector.db",null,1);//曾经的BUG1:数据库的调用需要在onCreate()中重新newSQLiteDatabase database=databaseHelper.getWritableDatabase();registerAccountEdit=(EditText)findViewById(R.id.r_account);registerPasswordEdit1=(EditText)findViewById(R.id.r_password1);registerPasswordEdit2=(EditText)findViewById(R.id.r_password2);registerConfirm=(Button)findViewById(R.id.r_confirm);registerConfirm.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {String registerAccount=registerAccountEdit.getText().toString();String registerPassword1=registerPasswordEdit1.getText().toString();String registerPassword2=registerPasswordEdit2.getText().toString();Cursor cursor=database.query("Account",null,"account=?",new String[]{registerAccount},null,null,null);if (!cursor.moveToFirst()&®isterPassword1.equals(registerPassword2)){ContentValues values=new ContentValues();values.put("account",registerAccount);values.put("password",registerPassword1);database.insert("Account",null,values);values.clear();AlertDialog.Builder dialog=new AlertDialog.Builder(RegisterActivity.this);dialog.setTitle("注册成功");dialog.setMessage("请返回登录界面");dialog.setPositiveButton("好", new DialogInterface.OnClickListener() {@Overridepublic void onClick(DialogInterface dialog, int which) {Intent intent=new Intent(RegisterActivity.this,LoginActivity.class);startActivity(intent);}});dialog.show();}else if (!cursor.moveToFirst()){AlertDialog.Builder dialog=new AlertDialog.Builder(RegisterActivity.this);dialog.setTitle("注册失败");dialog.setMessage("两次密码输入不一致");dialog.setPositiveButton("好", new DialogInterface.OnClickListener() {@Overridepublic void onClick(DialogInterface dialog, int which) {}});dialog.show();}else {AlertDialog.Builder dialog=new AlertDialog.Builder(RegisterActivity.this);dialog.setTitle("注册失败");dialog.setMessage("用户名已存在");dialog.setPositiveButton("好", new DialogInterface.OnClickListener() {@Overridepublic void onClick(DialogInterface dialog, int which) {}});dialog.show();}cursor.close();}});}
}
ShowActivity
package com.example.finaltest;import androidx.appcompat.app.AlertDialog;
import androidx.appcompat.app.AppCompatActivity;
import android.content.Intent;
import android.content.DialogInterface;
import android.os.Bundle;
import android.view.View;
import android.widget.ImageView;public class ShowActivity extends AppCompatActivity {@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_show);ImageView imageView1=(ImageView) findViewById(R.id.poetry);ImageView imageView2=(ImageView) findViewById(R.id.game);ImageView imageView3=(ImageView) findViewById(R.id.bili);ImageView imageView4=(ImageView) findViewById(R.id.logout);imageView1.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {Intent intent=new Intent(ShowActivity.this,PoetryActivity.class);startActivity(intent);}});imageView2.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {Intent intent=new Intent(ShowActivity.this,AccessLOLBlocklyActivity.class);startActivity(intent);}});imageView3.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {Intent intent=new Intent(ShowActivity.this,AccessBilibiliActivity.class);startActivity(intent);}});imageView4.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {AlertDialog.Builder dialog=new AlertDialog.Builder(ShowActivity.this);dialog.setTitle("退出登录");dialog.setMessage("你确定吗？");dialog.setPositiveButton("确定", new DialogInterface.OnClickListener() {@Overridepublic void onClick(DialogInterface dialog, int which) {finish();}});dialog.setNegativeButton("取消", new DialogInterface.OnClickListener() {@Overridepublic void onClick(DialogInterface dialog, int which) {}});dialog.show();}});}
}
activity_access_bilibili.xml
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"xmlns:app="http://schemas.android.com/apk/res-auto"xmlns:tools="http://schemas.android.com/tools"android:layout_width="match_parent"android:layout_height="match_parent"tools:context=".AccessBilibiliActivity"><WebViewandroid:layout_width="match_parent"android:layout_height="match_parent"android:id="@+id/web_view"/></androidx.constraintlayout.widget.ConstraintLayout>
activity_access_lolblockly.xml
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"xmlns:app="http://schemas.android.com/apk/res-auto"xmlns:tools="http://schemas.android.com/tools"android:layout_width="match_parent"android:layout_height="match_parent"tools:context=".AccessLOLBlocklyActivity"><WebViewandroid:layout_width="match_parent"android:layout_height="match_parent"android:id="@+id/web_view"/></androidx.constraintlayout.widget.ConstraintLayout>
activity_login.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"xmlns:app="http://schemas.android.com/apk/res-auto"xmlns:tools="http://schemas.android.com/tools"android:layout_width="match_parent"android:layout_height="match_parent"android:orientation="vertical"android:background="@drawable/bg1"tools:context=".LoginActivity"><TextViewandroid:layout_width="match_parent"android:layout_height="wrap_content"android:layout_gravity="center_vertical"android:gravity="center"android:text="请登录"android:textSize="36sp" /><LinearLayoutandroid:layout_width="500dp"android:layout_height="60dp"android:layout_gravity="center"android:orientation="horizontal"><TextViewandroid:layout_width="90dp"android:layout_height="wrap_content"android:layout_gravity="center_vertical"android:text="用户名:"android:textSize="18sp" /><EditTextandroid:id="@+id/account"android:layout_width="0dp"android:layout_height="wrap_content"android:layout_gravity="center_vertical"android:layout_weight="1"android:hint="请输入用户名"/></LinearLayout><LinearLayoutandroid:layout_width="500dp"android:layout_height="60dp"android:layout_gravity="center"android:orientation="horizontal"><TextViewandroid:layout_width="90dp"android:layout_height="wrap_content"android:layout_gravity="center_vertical"android:text="密码:"android:textSize="18sp" /><EditTextandroid:id="@+id/password"android:layout_width="0dp"android:layout_height="wrap_content"android:layout_gravity="center_vertical"android:layout_weight="1"android:inputType="textPassword"android:hint="请输入密码"/></LinearLayout><LinearLayoutandroid:layout_width="600dp"android:layout_height="60dp"android:layout_gravity="center"android:orientation="horizontal"><Buttonandroid:id="@+id/login"android:layout_width="0dp"android:layout_height="60dp"android:layout_weight="1"android:text="登录"android:textSize="18sp" /><TextViewandroid:layout_width="0dp"android:layout_height="60dp"android:layout_weight="1" /><Buttonandroid:id="@+id/register"android:layout_width="0dp"android:layout_height="60dp"android:layout_weight="1"android:text="注册"android:textSize="18sp" /></LinearLayout></LinearLayout>
activity_poetry.xml
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"xmlns:app="http://schemas.android.com/apk/res-auto"xmlns:tools="http://schemas.android.com/tools"android:id="@+id/poetry_title_layout"android:layout_width="match_parent"android:layout_height="match_parent"tools:context=".PoetryActivity"><fragmentandroid:layout_width="match_parent"android:layout_height="match_parent"android:id="@+id/poetry_title_fragment"android:name="com.example.finaltest.PoetryTitleFragment"/></androidx.constraintlayout.widget.ConstraintLayout>
activity_poetry.xml(sw600dp)
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"android:orientation="horizontal"android:layout_width="match_parent"android:layout_height="match_parent"><fragmentandroid:layout_width="0dp"android:layout_height="match_parent"android:layout_weight="1"android:id="@+id/nws_title_fragment"android:name="com.example.finaltest.PoetryTitleFragment"/><FrameLayoutandroid:layout_width="0dp"android:layout_height="match_parent"android:layout_weight="3"android:id="@+id/poetry_content_layout"><fragmentandroid:layout_width="match_parent"android:layout_height="match_parent"android:id="@+id/poetry_content_fragment"android:name="com.example.finaltest.PoetryContentFragment"/></FrameLayout></LinearLayout>
activity_register.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"xmlns:app="http://schemas.android.com/apk/res-auto"xmlns:tools="http://schemas.android.com/tools"android:layout_width="match_parent"android:layout_height="match_parent"android:orientation="vertical"android:background="@drawable/bg1"tools:context=".RegisterActivity"><TextViewandroid:layout_width="match_parent"android:layout_height="wrap_content"android:layout_gravity="center_vertical"android:gravity="center"android:text="请注册"android:textSize="36sp" /><LinearLayoutandroid:layout_width="500dp"android:layout_height="60dp"android:layout_gravity="center"android:orientation="horizontal"><TextViewandroid:layout_width="90dp"android:layout_height="wrap_content"android:layout_gravity="center_vertical"android:text="用户名:"android:textSize="18sp" /><EditTextandroid:id="@+id/r_account"android:layout_width="0dp"android:layout_height="wrap_content"android:layout_gravity="center_vertical"android:layout_weight="1"android:hint="请输入用户名"/></LinearLayout><LinearLayoutandroid:layout_width="500dp"android:layout_height="60dp"android:layout_gravity="center"android:orientation="horizontal"><TextViewandroid:layout_width="90dp"android:layout_height="wrap_content"android:layout_gravity="center_vertical"android:text="密码:"android:textSize="18sp" /><EditTextandroid:id="@+id/r_password1"android:layout_width="0dp"android:layout_height="wrap_content"android:layout_gravity="center_vertical"android:layout_weight="1"android:inputType="textPassword"android:hint="请输入密码"/></LinearLayout><LinearLayoutandroid:layout_width="500dp"android:layout_height="60dp"android:layout_gravity="center"android:orientation="horizontal"><TextViewandroid:layout_width="90dp"android:layout_height="wrap_content"android:layout_gravity="center_vertical"android:text="确认密码:"android:textSize="18sp" /><EditTextandroid:id="@+id/r_password2"android:layout_width="0dp"android:layout_height="wrap_content"android:layout_gravity="center_vertical"android:layout_weight="1"android:inputType="textPassword"android:hint="请再次输入密码"/></LinearLayout><Buttonandroid:layout_width="400dp"android:layout_height="wrap_content"android:id="@+id/r_confirm"android:text="确定"android:layout_gravity="center"/></LinearLayout>
activity_show.xml
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"xmlns:app="http://schemas.android.com/apk/res-auto"xmlns:tools="http://schemas.android.com/tools"android:layout_width="match_parent"android:layout_height="match_parent"android:background="@drawable/bg2"tools:context=".ShowActivity"><ImageViewandroid:id="@+id/poetry"android:layout_width="200dp"android:layout_height="200dp"android:layout_marginBottom="10dp"android:visibility="visible"android:background="@drawable/img1"app:layout_constraintBottom_toTopOf="@+id/bili"app:layout_constraintEnd_toEndOf="@+id/bili"app:layout_constraintHorizontal_bias="1.0"app:layout_constraintStart_toStartOf="@+id/bili" /><ImageViewandroid:id="@+id/game"android:layout_width="200dp"android:layout_height="200dp"android:visibility="visible"android:background="@drawable/img2"app:layout_constraintBottom_toBottomOf="parent"app:layout_constraintEnd_toEndOf="parent"app:layout_constraintHorizontal_bias="0.385"app:layout_constraintStart_toStartOf="parent"app:layout_constraintTop_toTopOf="parent"app:layout_constraintVertical_bias="0.407" /><ImageViewandroid:id="@+id/bili"android:layout_width="200dp"android:layout_height="200dp"android:layout_marginEnd="20dp"android:visibility="visible"android:background="@drawable/img3"app:layout_constraintBottom_toBottomOf="@+id/logout"app:layout_constraintEnd_toStartOf="@+id/logout"app:layout_constraintTop_toTopOf="@+id/logout"app:layout_constraintVertical_bias="0.0" /><ImageViewandroid:id="@+id/logout"android:layout_width="200dp"android:layout_height="200dp"android:layout_marginTop="10dp"android:visibility="visible"android:background="@drawable/img4"app:layout_constraintEnd_toEndOf="@+id/game"app:layout_constraintHorizontal_bias="0.0"app:layout_constraintStart_toStartOf="@+id/game"app:layout_constraintTop_toBottomOf="@+id/game" /></androidx.constraintlayout.widget.ConstraintLayout>
poetry_content.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"xmlns:app="http://schemas.android.com/apk/res-auto"xmlns:tools="http://schemas.android.com/tools"android:layout_width="match_parent"android:layout_height="match_parent"android:orientation="vertical"tools:context=".PoetryContentActivity"><fragmentandroid:layout_width="match_parent"android:layout_height="match_parent"android:id="@+id/poetry_content_fragment"android:name="com.example.finaltest.PoetryContentFragment"/>
</LinearLayout>
poetry_content_fragment.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"android:layout_width="match_parent"android:layout_height="match_parent"><LinearLayoutandroid:layout_width="match_parent"android:layout_height="match_parent"android:id="@+id/visibility_layout"android:orientation="vertical"android:visibility="invisible"><TextViewandroid:layout_width="match_parent"android:layout_height="wrap_content"android:id="@+id/poetry_title"android:gravity="center"android:padding="10dp"android:textSize="20sp"/><Viewandroid:layout_width="match_parent"android:layout_height="1dp"android:background="#000000"/><TextViewandroid:layout_width="match_parent"android:layout_height="0dp"android:layout_weight="1"android:id="@+id/poetry_content"android:padding="15dp"android:textSize="18sp"/></LinearLayout><Viewandroid:layout_width="1dp"android:layout_height="match_parent"android:layout_alignParentLeft="true"android:background="#000000"/></RelativeLayout>
poetry_item.xml
<?xml version="1.0" encoding="utf-8"?>
<TextView xmlns:android="http://schemas.android.com/apk/res/android"android:layout_width="match_parent"android:layout_height="wrap_content"android:id="@+id/poetry_title"android:maxLines="1"android:ellipsize="end"android:textSize="18sp"android:paddingLeft="10dp"android:paddingRight="10dp"android:paddingTop="15dp"android:paddingBottom="15dp"/>
poetry_title_fragment.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"android:orientation="vertical"android:layout_width="match_parent"android:layout_height="match_parent"><androidx.recyclerview.widget.RecyclerViewandroid:layout_width="match_parent"android:layout_height="match_parent"android:id="@+id/poetry_title_recycler_view"/></LinearLayout>
另外：
1.blockly放在assets中，自动生成的代码过长，建议自己去develop
2.登录注册系统需自己搭建SQLite数据库（安卓自带），详情参考《Android第一行代码》By 郭霖
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