第八章—进度对话框ProgressDialog、日期选择器DatePickerDialog、时间选择器TimePickerDialog

来源：互联网发布：php app 编辑：程序博客网时间：2024/06/15 05:34

进度对话框、日期选择器、时间选择器

import android.app.Activity;import android.app.DatePickerDialog;import android.app.DatePickerDialog.OnDateSetListener;import android.app.ProgressDialog;import android.app.TimePickerDialog;import android.app.TimePickerDialog.OnTimeSetListener;import android.os.Bundle;import android.view.View;import android.widget.DatePicker;import android.widget.TimePicker;import android.widget.Toast;public class MainActivity extends Activity {    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);    }    public void progress1(View v) {        final ProgressDialog dialog = new ProgressDialog(this);        dialog.setTitle("提示");        dialog.setMessage("正在加载");        // 设置为水平样式        dialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);        dialog.show();        new Thread() {            public void run() {                int index = 0;                while (index++ < dialog.getMax()) {                    dialog.setProgress(index);                    try {                        Thread.sleep(100);                    } catch (InterruptedException e) {                        e.printStackTrace();                    }                }            };        }.start();        // 关闭时一般判断        //        // if (dialog != null && dialog.isShowing())        // dialog.dismiss();    }    public void datePicker(View v) {        DatePickerDialog dialog = new DatePickerDialog(this,                new OnDateSetListener() {                    @Override                    public void onDateSet(DatePicker view, int year,                            int monthOfYear, int dayOfMonth) {                        // 这里是用户选择完毕后的回调                        Toast.makeText(                                getBaseContext(),                                year + "-" + (monthOfYear + 1) + "-"                                        + dayOfMonth, Toast.LENGTH_SHORT)                                .show();                    }                }, 2016, 11, 11);        dialog.show();    }    public void timePicker(View v) {        TimePickerDialog dialog = new TimePickerDialog(this,                new OnTimeSetListener() {                    @Override                    public void onTimeSet(TimePicker view, int hourOfDay,                            int minute) {                        Toast.makeText(getBaseContext(),                                hourOfDay + ":" + minute, Toast.LENGTH_SHORT)                                .show();                    }                }, 11, 11, true);        dialog.show();    }}

XML中

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="fill_parent"    android:layout_height="fill_parent"    android:orientation="vertical" >    <Button        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:onClick="progress1"        android:text="进度对话框" />    <Button        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:onClick="datePicker"        android:text="日期选择器" />    <Button        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:onClick="timePicker"        android:text="时间选择器" /></LinearLayout>

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