build.gradle(Module:app)

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implementation 'net.codecrafted:lineartimepicker:1.0.0' // 线性日期时间选择器

日期选择 .java

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boolean data_tutorial = false; // 是否出现使用帮助
if (SettingsUtil.getInt(getApplicationContext(), "LinearDatePicker_tutorial") != 1) {
    data_tutorial = true;
}
LinearDatePickerDialog.Builder.with(RecordActivity.this)
    .setYear(addYear)
    .setMinYear(2000)
    .setMaxYear(2030)
    .setShowTutorial(data_tutorial)
    .setButtonCallback(new LinearDatePickerDialog.ButtonCallback() {
        @Override
        public void onPositive(DialogInterface dialog, int year, int month, int day) {
            SettingsUtil.setVal(getApplicationContext(), "LinearDataPicker_tutorial", 1);
            /*...code...*/
        }

        @Override
        public void onNegative(DialogInterface dialog) {

        }
    })
    .build()
    .show();

时间选择 .java

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boolean time_tutorial = false;
if (SettingsUtil.getInt(getApplicationContext(), "LinearTimePicker_tutorial") != 1) {
    time_tutorial = true;
}
LinearTimePickerDialog dialog = LinearTimePickerDialog.Builder.with(RecordActivity.this)
    .setShowTutorial(time_tutorial)
    .setButtonCallback(new LinearTimePickerDialog.ButtonCallback() {
        @Override
        public void onPositive(DialogInterface dialog, int hour, int minutes) {
            SettingsUtil.setVal(getApplicationContext(), "LinearDataPicker_tutorial", 1);
            /*...code...*/
        }

        @Override
        public void onNegative(DialogInterface dialog) {

        }
    })
    .build();
dialog.show();