Android学习之——APP番茄工作法——小结（1）

public class fragment3 extends PreferenceFragment{
    public static fragment3 newInstance(Bundle bundle) {
        fragment3 frag = new fragment3();
        frag.setArguments(bundle);
        return frag;
    }
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        addPreferencesFromResource(R.xml.preferences);  
        Log.v("huahua", "fragment3-->onCreate()");
    }
}

SharedPreferences mySharedPreferences = getActivity().getSharedPreferences("TomatoCount",
        Activity.MODE_PRIVATE);//获取SharedPreferences 中的值，TomatoCount表示保存的文件名称
String dateStr = mySharedPreferences.getString("date", "2001-01-01");//获取字符串
todayTomatoCount = mySharedPreferences.getInt("todayTomatoCount", 0);//获取存储的今日番茄时间，获取int型数据，如果不存在默认设置为0
allTomatoCount = mySharedPreferences.getInt("allTomatoCount", 0);//获取存储的合计番茄时间
String dateNowString = (new SimpleDateFormat("yyyy-MM-dd", Locale.getDefault())).format(new java.util.Date());
if (!dateStr.equals(dateNowString)) {//判断存储时间是否和当前时间在同一天
    todayTomatoCount=0;
    SharedPreferences.Editor editor = mySharedPreferences.edit();
    editor.putInt("todayTomatoCount", todayTomatoCount);//写入数据到Editor 其中第一个参数是字段的名称，第二个参数是字段的值，该写入的是int类型
    editor.commit();//提交，写入到xml文件中
}

//修改字体
Typeface fontFace = Typeface.createFromAsset(getActivity().getAssets(), "fonts/Roboto-Thin.ttf");
tomatoTxtView.setTypeface(fontFace);

public class SettingPreferenceFragment extends PreferenceFragment implements OnSharedPreferenceChangeListener {
    ListPreference lstPre_TomatoTime_value, lstPre_BreakTime_value;
    public SettingPreferenceFragment() {
        // TODO 自动生成的构造函数存根
    }
    @Override
    public void onCreate(Bundle paramBundle) {
        // TODO 自动生成的方法存根
        super.onCreate(paramBundle);
        addPreferencesFromResource(R.xml.preferences);
        SharedPreferences prefs=PreferenceManager.getDefaultSharedPreferences(getActivity());
        prefs.registerOnSharedPreferenceChangeListener(this);
        lstPre_TomatoTime_value=(ListPreference)findPreference("TomatoTime_value");
        lstPre_BreakTime_value=(ListPreference)findPreference("BreakTime_value");
        lstPre_TomatoTime_value.setSummary(lstPre_TomatoTime_value.getEntry());
        lstPre_BreakTime_value.setSummary(lstPre_BreakTime_value.getEntry());
    }
    @Override
    public void onSharedPreferenceChanged(SharedPreferences sharedPreferences,
            String key) {
        // TODO 自动生成的方法存根
        if (key.equals("TomatoTime_value")) {
            lstPre_TomatoTime_value.setSummary(lstPre_TomatoTime_value.getEntry());
        }
        if (key.equals("BreakTime_value")) {
            lstPre_BreakTime_value.setSummary(lstPre_BreakTime_value.getEntry());
        }
    }
     
    @Override
    public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen,
            Preference preference) {
        // TODO 自动生成的方法存根
        if (preference.getKey().equals("clearCount")) {
            alertDialogShow();
        }
        if (preference.getKey().equals("aboutTomatoTask")) {
            Uri uri = Uri.parse("http://baike.baidu.com/link?url=b7rlhS6YssFup2xqAjnw9__6VsQnyhtVT8Gx_-qwckUE4IZ-ns6i_jw9w_aKH-C_sjWheb9NFR_GZcfUII0bV_");
            startActivity(new Intent(Intent.ACTION_VIEW,uri));
        }
        return false;
    }
     
    /**
     * 显示AlertDialog
     */
    private void alertDialogShow() {
        new AlertDialog.Builder(getActivity()).setTitle("清除？").setMessage("是否清除计数？\n注：该操作不可逆！").setPositiveButton("清除", new DialogInterface.OnClickListener() {
             
            @Override
            public void onClick(DialogInterface dialog, int which) {
                // TODO 自动生成的方法存根
                SharedPreferences mySharedPreferences = getActivity().getSharedPreferences("TomatoCount",
                        Activity.MODE_PRIVATE);
                SharedPreferences.Editor editor = mySharedPreferences.edit();
                editor.putInt("todayTomatoCount", 0);
                editor.putInt("allTomatoCount", 0);
                editor.commit();
                Toast.makeText(getActivity(), "清除成功！", Toast.LENGTH_SHORT).show();
            }
        }).setNegativeButton("取消", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                // TODO 自动生成的方法存根
            }
        }).create().show();
    }
}

private Vibrator vibrator;

//开启震动
vibrator =(Vibrator)getSystemService(Context.VIBRATOR_SERVICE);
long [] pattern = {200,500,200,500,1200,500,200,500};   // 停止 开启 停止 开启  
vibrator.vibrate(pattern,-1);           //重复两次上面的pattern 如果只想震动一次，index设为-1 

package com.android.tomatotask;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.RectF;
import android.util.AttributeSet;
import android.view.View;
public class CircleProgressBar extends View {
    private int maxProgress = 10;//最大进度
    private int progress = 0;//当前进度
    private int progressStrokeWidth = 6;//线宽
    // 画圆所在的矩形区域
    RectF oval;
    Paint paint;
    public CircleProgressBar(Context context) {
        super(context);
        // TODO 自动生成的构造函数存根
    }
    public CircleProgressBar(Context context, AttributeSet attrs) {
        super(context, attrs);
        // TODO 自动生成的构造函数存根
        oval = new RectF();
        paint = new Paint();
    }
    public CircleProgressBar(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
        // TODO 自动生成的构造函数存根
    }
    @Override
    protected void onDraw(Canvas canvas) {
        super.onDraw(canvas);   
        /**
         * 画最外层的大圆环
         */
        int centre = getWidth()/2; //获取圆心的x坐标
        int radius = (int) (centre - progressStrokeWidth/2); //圆环的半径
        paint.setColor(Color.WHITE);//(roundColor); //设置圆环的颜色
        paint.setStyle(Paint.Style.STROKE); //设置空心
        paint.setStrokeWidth(progressStrokeWidth); //设置圆环的宽度
        paint.setAntiAlias(true);  //消除锯齿 
        canvas.drawCircle(centre, centre, radius, paint); //画出圆环        
        /**
         * 画圆弧 ，画圆环的进度
         */       
        //设置进度是实心还是空心
        paint.setStrokeWidth(progressStrokeWidth); //设置圆环的宽度
        paint.setColor(Color.rgb(0x57, 0x87, 0xb6));  //设置进度的颜色 
        RectF oval = new RectF(centre - radius, centre - radius, centre
                + radius, centre + radius);  //用于定义的圆弧的形状和大小的界限
            paint.setStyle(Paint.Style.STROKE);
            canvas.drawArc(oval, -90, 360 * progress / maxProgress, false, paint);  //根据进度画圆弧  绘制白色圆圈，即进度条背景
    }   
    public int getMaxProgress(){
        return maxProgress;
    }   
    public void setMaxProgress(int maxProgress){
        this.maxProgress = maxProgress;
    }   
    public void setProgress(int progress){
        this.progress = progress;
        this.invalidate();
    }   
    public void setProgressNotInUiThread(int progress){
        this.progress = progress;
        this.postInvalidate();
    }
}

<com.android.tomatotask.CircleProgressBar
    android:id="@+id/circleProgressbar" android:layout_width="300dp"
    android:layout_height="300dp" android:layout_centerInParent="true" />
<android.support.v4.view.ViewPager
    android:id="@+id/viewpage" android:layout_width="match_parent"
    android:layout_height="match_parent" />

protected Animation animation;

// 动画资源文件
ID = new int[] { R.anim.my_alpha_action, R.anim.my_scale_action,
        R.anim.my_rotate_action, R.anim.alpha_scale,
        R.anim.alpha_rotate, R.anim.scale_rotate,
        R.anim.alpha_scale_rotate, R.anim.myown_design };

animation = AnimationUtils.loadAnimation(MainActivity.this,
        ID[randow]);//randow为随机取到0~7的数的随机数
textView.startAnimation(animation);

private class SeekBarListener implements SeekBar.OnSeekBarChangeListener {
    private TextView textView;
    private int TickStep;
    private int StartTick;
    public SeekBarListener(TextView tv, int startTick, int tickStep) {
        textView = tv;
        TickStep = tickStep;
        StartTick = startTick;
    }
    @Override
    public void onProgressChanged(SeekBar seekBar, int progress,
            boolean fromUser) {
        // TODO Auto-generated method stub
        if (fromUser) {
            // ..
        }
        // 时间=process*步长+初始值
        // int progress=seekBar.getProgress();
        int curTick = progress + StartTick;
        int remainder = curTick % TickStep;
        int halfStep = TickStep % 2 == 0 ? TickStep - TickStep % 2
                : TickStep - TickStep % 2 + 1;
        if (remainder < halfStep) {
            curTick -= remainder;
        } else {
            curTick += (TickStep - remainder);
        }
        // seekBar.setProgress(curTick - StartTick);
        textView.setText(curTick + "min");
    }
    @Override
    public void onStartTrackingTouch(SeekBar seekBar) {
        // TODO Auto-generated method stub
    }
    @Override
    public void onStopTrackingTouch(SeekBar seekBar) {
        // TODO Auto-generated method stub
        // 时间=process*步长+初始值
        int progress = seekBar.getProgress();
        int curTick = progress + StartTick;
        int remainder = curTick % TickStep;
        int halfStep = TickStep % 2 == 0 ? TickStep - TickStep % 2
                : TickStep - TickStep % 2 + 1;
        if (remainder < halfStep) {
            curTick -= remainder;
        } else {
            curTick += (TickStep - remainder);
        }
        seekBar.setProgress(curTick - StartTick);
        textView.setText(curTick + "min");
    }
}