Sprint 冲刺第三阶段第6-10天
这几天一直都在整理我们之前的内容,检查会不会有细节问题。例如界面跳转、颜色等。
因为一直没办法找到guitub存放位置。于是在这里存放一些主代码。
MainActivity.java
- package com.example.brdemo;
- import android.app.Activity;
- import android.content.Intent;
- import android.database.Cursor;
- import android.database.sqlite.SQLiteDatabase;
- import android.database.sqlite.SQLiteException;
- import android.net.Uri;
- import android.os.Bundle;
- import android.support.v4.widget.CursorAdapter;
- import android.support.v4.widget.SimpleCursorAdapter;
- import android.view.Menu;
- import android.view.MenuInflater;
- import android.view.View;
- import android.view.View.OnClickListener;
- import android.widget.Button;
- import android.widget.EditText;
- import android.widget.Toast;
- public class MainActivity extends Activity {
- private Button btn1,btn2,btn3;
- private EditText edname,edsecret;
- Intent iguangs, iches;
- SQLiteDatabase db;
- @Override
- protected void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.activity_main);
- btn1 = (Button) findViewById(R.id.b1);// 注册
- btn2 = (Button) findViewById(R.id.bt3);// 测试
- btn3 = (Button) findViewById(R.id.b2);// 登录
- edname = (EditText) findViewById(R.id.editname);
- edsecret = (EditText) findViewById(R.id.editsecret);
- db=SQLiteDatabase.openOrCreateDatabase(this.getFilesDir().toString()+"/mydb.db3", null);
- // 注册
- btn1.setOnClickListener(new OnClickListener() {
- @Override
- public void onClick(View arg0) {
- String title,content;
- title=edname.getText().toString();
- content=edsecret.getText().toString();
- try {
- insertData(db, title, content);
- Cursor cursor=db.rawQuery("select * from myTable", null);
- inflateList(cursor);
- } catch (SQLiteException e) {
- // TODO: handle exception
- db.execSQL("create table myTable(_id integer"
- +"primary key autonicrement,"
- +"title varchar(50),"
- + "content varchar(255))");
- insertData(db, title, content);
- Cursor cursor=db.rawQuery("select * from myTable", null);
- inflateList(cursor);
- }
- Toast.makeText(MainActivity.this, "用户"+edname.getText() +"注册成功", Toast.LENGTH_LONG).show();
- iguangs = new Intent();
- Bundle bundle = new Bundle();
- iguangs.setClass(MainActivity.this, H.class);
- bundle.putString("userName", edname.getText().toString());
- bundle.putString("phoneNum", edsecret.getText().toString());
- iguangs.putExtras(bundle);
- // 启动Activity
- startActivity(iguangs);
- }
- private void inflateList(Cursor cursor) {
- // TODO Auto-generated method stub
- }
- private void insertData(SQLiteDatabase db, String title,
- String content) {
- // TODO Auto-generated method stub
- }
- });
- // 测试
- btn2.setOnClickListener(new OnClickListener() {
- @Override
- public void onClick(View arg0) {
- // TODO Auto-generated method stub
- Uri uri = Uri.parse("http://open.taobao.com");
- iches = new Intent(Intent.ACTION_VIEW, uri);
- startActivity(iches);
- }
- });
- // 登录
- btn3.setOnClickListener(new OnClickListener() {
- @Override
- public void onClick(View arg0) {
- iguangs = new Intent();
- Bundle bundle = new Bundle();
- iguangs.setClass(MainActivity.this, H.class);
- bundle.putString("userName", edname.getText().toString());
- bundle.putString("phoneNum", edsecret.getText().toString());
- Toast.makeText(MainActivity.this, "用户"+edname.getText() +"登录成功", Toast.LENGTH_LONG).show();
- iguangs.putExtras(bundle);
- // 启动Activity
- startActivity(iguangs);
- }
- });
- }
- @Override
- public boolean onCreateOptionsMenu(Menu menu) {
- // TODO Auto-generated method stub
- MenuInflater inflater = new MenuInflater(this);
- inflater.inflate(R.menu.main, menu);
- return super.onCreateOptionsMenu(menu);
- }
- private void insertData(SQLiteDatabase db,String title,String content) {
- db.execSQL("insert into myTable values(null,?,?)",new String[]{title,content});
- }
- private void inflateList(Cursor cursor) {
- SimpleCursorAdapter simpleCursorAdapter=new SimpleCursorAdapter(MainActivity.this,
- R.layout.activity_main, cursor, new String[]{"title","content"},
- new int[]{R.id.editname,R.id.editsecret}, CursorAdapter.FLAG_REGISTER_CONTENT_OBSERVER);
- }
- @Override
- protected void onDestroy() {
- // TODO Auto-generated method stub
- super.onDestroy();
- if (db!=null &&db.isOpen()) {
- db.close();
- }
- }
- }
CheckActivity.java(四则运算的核心算法)
- package com.example.brdemo;
- import java.util.Random;
- import android.app.ActionBar;
- import android.app.Activity;
- import android.content.Context;
- import android.content.Intent;
- import android.media.AudioManager;
- import android.os.Bundle;
- import android.view.MenuItem;
- import android.view.View;
- import android.widget.Button;
- import android.widget.EditText;
- import android.widget.TextView;
- public class CheckActivity extends Activity {
- public Button btn1, btn2;// 开始答题,退出
- public Button btnbof, btnzant, btg, btd;// 播放,退出,高音量,低音量
- private AudioManager am;// 音量调节定义
- private EditText et1;
- private EditText et2;
- long startTime;
- long endTime;
- private TextView t11;
- private TextView t4;
- private TextView t2;
- private TextView t3;
- private TextView t1;
- private TextView t5;
- private TextView t6;
- int ranswer = 0;
- int uanswer = 0;
- String str = "";
- String z = "";
- private boolean stop = false;
- public int num = 5, T = 0, F = 0, count = 1, b = 0;
- @Override
- protected void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.szys);
- am = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
- // 最大音量
- int maxVolume = am.getStreamMaxVolume(AudioManager.STREAM_MUSIC);
- // 当前音量
- int currentVolume = am.getStreamVolume(AudioManager.STREAM_MUSIC);
- btn1 = (Button) findViewById(R.id.bb1);// 开始答题
- btn2 = (Button) findViewById(R.id.bb2);// 退出
- et2 = (EditText) findViewById(R.id.editText2);
- et1 = (EditText) findViewById(R.id.editText1);
- t11 = (TextView) findViewById(R.id.t11);
- t4 = (TextView) findViewById(R.id.textView4);
- t6 = (TextView) findViewById(R.id.textView6);
- t2 = (TextView) findViewById(R.id.textView12);
- t5 = (TextView) findViewById(R.id.textView10);
- t3 = (TextView) findViewById(R.id.textView7);
- t1 = (TextView) findViewById(R.id.textView14);
- ActionBar actionBar = getActionBar();// 获取ActionBar对象
- actionBar.setDisplayShowHomeEnabled(true);// 显示应用程序图标
- actionBar.setDisplayHomeAsUpEnabled(true);// 将应用程序图标转变为可点击图标,并添加一个返回箭头。
- // 播放按钮
- btnbof = (Button) findViewById(R.id.btstart);
- btnbof.setOnClickListener(new View.OnClickListener() {
- @Override
- public void onClick(View arg0) {
- // TODO Auto-generated method stub
- startService(new Intent(CheckActivity.this, MyService.class));
- }
- });
- // 暂停按钮
- btnzant = (Button) findViewById(R.id.btstop);
- btnzant.setOnClickListener(new View.OnClickListener() {
- @Override
- public void onClick(View arg0) {
- // TODO Auto-generated method stub
- stopService(new Intent(CheckActivity.this, MyService.class));
- }
- });
- // 高音量
- btg = (Button) findViewById(R.id.btgao);
- btg.setOnClickListener(new View.OnClickListener() {
- @Override
- public void onClick(View arg0) {
- // TODO Auto-generated method stub
- am.adjustStreamVolume(AudioManager.STREAM_MUSIC,
- AudioManager.ADJUST_RAISE,
- AudioManager.FX_FOCUS_NAVIGATION_UP);
- }
- });
- // 低音量
- btd = (Button) findViewById(R.id.btdi);
- btd.setOnClickListener(new View.OnClickListener() {
- @Override
- public void onClick(View arg0) {
- // TODO Auto-generated method stub
- am.adjustStreamVolume(AudioManager.STREAM_MUSIC,
- AudioManager.ADJUST_LOWER,
- AudioManager.FX_FOCUS_NAVIGATION_UP);
- }
- });
- btn1.setOnClickListener(new View.OnClickListener() {
- @Override
- public void onClick(View arg0) {
- CheckActivity.this.finish();
- }
- });
- btn2.setOnClickListener(new View.OnClickListener() {
- @Override
- public void onClick(View arg0) {
- // TODO Auto-generated method stub
- CheckActivity.this.finish();
- }
- });
- // 开始答题
- btn1.setOnClickListener(new View.OnClickListener() {
- @Override
- public void onClick(View arg0) {
- T = 0;
- F = 0;
- str = "";
- z = "";
- stop = false;
- try {
- String bb = et1.getText().toString();
- num = Integer.parseInt(bb);
- if (num > 15) {
- t11.setText("输入题数错误,请重新输入!(1-15)");
- et1.setText("");
- } else {
- startTime = System.currentTimeMillis();
- t4.setText("" + T);
- t2.setText("" + F);
- t1.setText("" + b);
- // btn.setVisible(false);
- // et1.setEditable(false);
- showtext();
- }
- } catch (NumberFormatException e1) {
- t11.setText("输入题数错误,请重新输入!(1~15)");
- et1.setText("");
- }
- }
- });
- et2.setOnClickListener(new View.OnClickListener() {
- @Override
- public void onClick(View arg0) {
- try {
- if (!stop) {
- String tt = et2.getText().toString();
- uanswer = Integer.parseInt(tt);
- ;
- if (num == count) {
- if (uanswer == ranswer) {
- t4.setText("" + ranswer);
- t3.setText("答对!");
- T++;
- t6.setText("" + T);
- b = (100 / num) * T;
- t1.setText("" + b);
- if (b > 90) {
- Intent intent = new Intent();
- intent.setClass(CheckActivity.this,
- Test1.class);
- startActivity(intent);
- CheckActivity.this.finish();
- }
- count++;
- } else {
- t4.setText("" + ranswer);
- t3.setText("答错!");
- F++;
- t2.setText("" + F);
- count++;
- }
- stop = true;
- t3.setText(" 答題結束!");
- endTime = System.currentTimeMillis();
- // et2.setEditable(true);
- // btn.setVisible(true);
- t5.setText((endTime - startTime) / 1000 + "s");
- }
- else if (uanswer == ranswer) {
- t4.setText("" + ranswer);
- t3.setText("答对!");
- T++;
- t6.setText("" + T);
- b = (100 / num) * T;
- t1.setText("" + b);
- showtext();
- if (b > 90) {
- Intent intent = new Intent();
- intent.setClass(CheckActivity.this, Test1.class);
- startActivity(intent);
- CheckActivity.this.finish();
- }
- count++;
- } else {
- t4.setText("" + ranswer);
- t3.setText("答错!");
- F++;
- t2.setText("" + F);
- showtext();
- count++;
- }
- }
- }
- catch (NumberFormatException e2) {
- t11.setText(str + "答案格式错误,请重新输入答案!");
- et2.setText("");
- }
- }
- });
- }
- void showtext() {
- char op = '+';
- int a = 0, b = 0, c = 0, e = 0, f = 0, opnum = 0, chioce = 0;
- int temp = 0;
- Random ra = new Random();
- e = ra.nextInt(10) + 1;
- f = ra.nextInt(10) + 1;
- chioce = ra.nextInt(2) + 1;
- if (e % 2 == 0) {
- a = ra.nextInt(10) + 2;
- } else {
- a = -ra.nextInt(10) + 2;
- }
- if (f % 2 == 0) {
- b = ra.nextInt(10) + 2;
- } else {
- b = -ra.nextInt(10) + 2;
- }
- c = ra.nextInt(5);
- opnum = Math.abs(ra.nextInt()) % 4 + 1;
- et2.setText("");
- switch (chioce) {
- case 1: {
- switch (opnum) {
- case 1:
- op = '+';
- break;
- case 2:
- op = '-';
- break;
- case 3:
- op = '*';
- break;
- case 4:
- op = '/';
- break;
- }
- if ((op == '-') && (a < b)) {
- temp = a;
- a = b;
- b = temp;
- }
- if (op == '/') {
- if (b == 0) {
- b = 1;
- }
- a = a * b;
- }
- if (a > 0 && b > 0) {
- z = String.valueOf(a) + String.valueOf(op) + String.valueOf(b)
- + "=" + "\n";
- } else if (a < 0 && b > 0) {
- z = "(" + String.valueOf(a) + ")" + String.valueOf(op)
- + String.valueOf(b) + "=" + "\n";
- } else if (a > 0 && b < 0) {
- z = String.valueOf(a) + String.valueOf(op) + "("
- + String.valueOf(b) + ")" + "=" + "\n";
- } else {
- z = "(" + String.valueOf(a) + ")" + String.valueOf(op) + "("
- + String.valueOf(b) + ")" + "=" + "\n";
- }
- str = str + z;
- t11.setText(str);
- switch (op) {
- case '+':
- ranswer = a + b;
- break;
- case '-':
- ranswer = a - b;
- break;
- case '*':
- ranswer = a * b;
- break;
- case '/':
- ranswer = a / b;
- break;
- }
- break;
- }
- case 2: {
- int jc = 1;
- str = str + String.valueOf(c) + "!=" + "\n";
- t11.setText(str);
- for (int i = c; i > 0; i--) {
- jc = jc * i;
- }
- ranswer = jc;
- break;
- }
- }
- }
- // 返回主菜单
- @Override
- public boolean onOptionsItemSelected(MenuItem item) {
- // TODO Auto-generated method stub
- switch (item.getItemId()) {
- case android.R.id.home:
- // 创建启动MainActivity的Intent
- Intent intent = new Intent();
- intent.setClass(this, H.class);
- // 添加额外的Flag,将Activity栈中处于MainActivity之上的Activity弹出
- intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
- startActivity(intent);
- CheckActivity.this.finish();
- break;
- default:
- break;
- }
- return super.onOptionsItemSelected(item);
- }
- }
MyService.java(音乐的播放)
- package com.example.brdemo;
- import android.app.Service;
- import android.content.Intent;
- import android.media.MediaPlayer;
- import android.os.IBinder;
- import android.util.Log;
- public class MyService extends Service {
- //系统使用MediaPlayer播放音乐,定义对象mp
- private MediaPlayer mey;
- private String TAG="Main";
- @Override
- public IBinder onBind(Intent intent) {
- // TODO Auto-generated method stub
- return null;
- }
- @Override
- public void onCreate() {
- super.onCreate();
- //初始化MediaPlayer对象,准备播放音乐,音乐文件放在文件夹/res/raw中
- mey = MediaPlayer.create(MyService.this, R.raw.zhou);
- Intent intent = new Intent();
- intent.putExtra("control", 1);
- sendBroadcast(intent);
- mey.start();
- Log.i(TAG, "MusicService onCreate被运行");
- }
- @Override
- public int onStartCommand(Intent intent, int flags, int startId) {
- // TODO Auto-generated method stub
- //开始播放音乐
- mey.start();
- Log.i(TAG, "MusicService onStartCommand被运行");
- return super.onStartCommand(intent, flags, startId);
- }
- @Override
- public void onDestroy() {
- super.onDestroy();
- //停止播放音乐
- mey.stop();
- Log.i(TAG, "MusicService onDestroy被运行");
- }
- }
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