Android时间区间的选择

刚做完的一个简单的选择时间段的小控件。

效果图:


选择推送时间段


关键代码实现:

```

public class TimeRangePickerDialogextends Dialog {

private Contextcontext;

    private String startTime;

    private String endTime;

    private int screenWidth;

    private TimePicker timePickerStart;

    private TimePicker timePickerEnd;

    private View cancelBtn, submitBtn;

    private ConfirmAction confirmAction;

    public TimeRangePickerDialog(Context context) {

super(context);

        this.context = context;

    }

public TimeRangePickerDialog(Context context, boolean cancelable, OnCancelListener cancelListener) {

super(context, cancelable, cancelListener);

        this.context = context;

    }

public TimeRangePickerDialog(Context context, int theme) {

super(context, theme);

        this.context = context;

    }

public TimeRangePickerDialog(Context context, String startAndEndTime, ConfirmAction confirmAction) {

super(context, R.style.dialog);

        this.context = context;

        List strings = CommonUtils.getRegEx(startAndEndTime, "\\d+:\\d+");

        if (!CommonUtils.isNull(strings) && strings.size() >=2) {

this.startTime = CommonUtils.getRegEx(startAndEndTime, "\\d+:\\d+").get(0);

            this.endTime = CommonUtils.getRegEx(startAndEndTime, "\\d+:\\d+").get(1);

        }

this.confirmAction = confirmAction;

        DisplayMetrics metrics = context.getResources().getDisplayMetrics();

        screenWidth = metrics.widthPixels -getDensityValue(80, context);

    }

@Override

    protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

        View view = LayoutInflater.from(context).inflate(R.layout.dialog_time_range_picker, null);

        setContentView(view);

        getWindow().setLayout(screenWidth, LinearLayout.LayoutParams.WRAP_CONTENT);

        initView();

        initData();

        setEvent();

    }

private void initView() {

timePickerStart = (TimePicker) findViewById(R.id.timePickerStart);

        timePickerEnd = (TimePicker) findViewById(R.id.timePickerEnd);

        cancelBtn = findViewById(R.id.cancelBtn);

        submitBtn = findViewById(R.id.submitBtn);

    }

private void initData() {

timePickerStart.setIs24HourView(true);

        timePickerEnd.setIs24HourView(true);

        timePickerStart.setDescendantFocusability(TimePicker.FOCUS_BLOCK_DESCENDANTS);

        timePickerEnd.setDescendantFocusability(TimePicker.FOCUS_BLOCK_DESCENDANTS);

        setTimePickerDividerColor(timePickerStart);

        setTimePickerDividerColor(timePickerEnd);

        if (!CommonUtils.isNull(startTime) && !CommonUtils.isNull(endTime)) {

if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {

timePickerStart.setHour(Integer.parseInt(startTime.substring(0, startTime.indexOf(":"))));

                timePickerStart.setMinute(Integer.parseInt(startTime.substring(startTime.indexOf(":") +1)));

                timePickerEnd.setHour(Integer.parseInt(endTime.substring(0, endTime.indexOf(":"))));

                timePickerEnd.setMinute(Integer.parseInt(endTime.substring(endTime.indexOf(":") +1)));

            }else {

timePickerStart.setCurrentHour(Integer.parseInt(startTime.substring(0, startTime.indexOf(":"))));

                timePickerStart.setCurrentMinute(Integer.parseInt(startTime.substring(startTime.indexOf(":") +1)));

                timePickerEnd.setCurrentHour(Integer.parseInt(endTime.substring(0, endTime.indexOf(":"))));

                timePickerEnd.setCurrentMinute(Integer.parseInt(endTime.substring(endTime.indexOf(":") +1)));

            }

}

timePickerStart.setOnTimeChangedListener((timePicker, hourOfDay, minute) -> {

String h = hourOfDay <10 ?"0" + hourOfDay :"" + hourOfDay;

            String m = minute <10 ?"0" + minute :"" + minute;

            startTime = h +":" + m;

        });

        timePickerEnd.setOnTimeChangedListener((timePicker, hourOfDay, minute) -> {

String h = hourOfDay <10 ?"0" + hourOfDay :"" + hourOfDay;

            String m = minute <10 ?"0" + minute :"" + minute;

            endTime = h +":" + m;

        });

    }

private void setEvent() {

cancelBtn.setOnClickListener(v -> {

confirmAction.onLeftClick();

            dismiss();

        });

        submitBtn.setOnClickListener(v -> {

confirmAction.onRightClick(startTime +" - " +endTime);

            dismiss();

        });

        this.setCanceledOnTouchOutside(true);

    }

private void setTimePickerDividerColor(TimePicker timePicker) {

LinearLayout llFirst = (LinearLayout) timePicker.getChildAt(0);

        LinearLayout mSpinners = (LinearLayout) llFirst.getChildAt(1);

        for (int i =0; i < mSpinners.getChildCount(); i++) {

if (mSpinners.getChildAt(i)instanceof NumberPicker) {

Field[] pickerFields = NumberPicker.class.getDeclaredFields();

                setPickerMargin((NumberPicker) mSpinners.getChildAt(i));

                for (Field pf : pickerFields) {

if (pf.getName().equals("mSelectionDivider")) {

pf.setAccessible(true);

                        try {

pf.set(mSpinners.getChildAt(i), new ColorDrawable());

                        }catch (IllegalArgumentException e) {

e.printStackTrace();

                        }catch (Resources.NotFoundException e) {

e.printStackTrace();

                        }catch (IllegalAccessException e) {

e.printStackTrace();

                        }

break;

                    }

}

}

}

}

/**

    * 设置picker之间的间距

    */

    private void setPickerMargin(NumberPicker picker) {

LinearLayout.LayoutParams p = (LinearLayout.LayoutParams) picker.getLayoutParams();

        p.setMargins(-getDensityValue(16, context), 0, -getDensityValue(16, context), 0);

        if (Build.VERSION.SDK_INT > Build.VERSION_CODES.JELLY_BEAN_MR1) {

p.setMarginStart(-getDensityValue(16, context));

            p.setMarginEnd(-getDensityValue(16, context));

        }

}

public interface ConfirmAction {

void onLeftClick();

        void onRightClick(String startAndEndTime);

    }

public static int getDensityValue(float value, Context activity) {

DisplayMetrics displayMetrics = activity.getResources().getDisplayMetrics();

        return (int) Math.ceil(value * displayMetrics.density);

    }

}

~~~

关键代码如下:

~~~

private void setTimePickerDividerColor(TimePicker timePicker) {

        LinearLayout llFirst = (LinearLayout) timePicker.getChildAt(0);

        LinearLayout mSpinners = (LinearLayout) llFirst.getChildAt(1);

        for (int i = 0; i < mSpinners.getChildCount(); i++) {

            if (mSpinners.getChildAt(i) instanceof NumberPicker) {

                Field[] pickerFields = NumberPicker.class.getDeclaredFields();

                setPickerMargin((NumberPicker) mSpinners.getChildAt(i));

                for (Field pf : pickerFields) {

                    if (pf.getName().equals("mSelectionDivider")) {

                        pf.setAccessible(true);

                        try {

                            pf.set(mSpinners.getChildAt(i), new ColorDrawable());

                        } catch (IllegalArgumentException e) {

                            e.printStackTrace();

                        } catch (Resources.NotFoundException e) {

                            e.printStackTrace();

                        } catch (IllegalAccessException e) {

                            e.printStackTrace();

                        }

                        break;

                    }

                }

            }

        }

    }

```

当compileSdkVersion 23之上时,此时默认的timepick是clock类型的

timepickermode 可以设置为spinner

同时:





github地址:

https://github.com/zhxhcoder/TimeRangePickerDialog

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