5大對話框
1.普通對話框AlertDialog
2.日期對話框DateDialog
3.時間對話框TimePickDialog
4.進度條框ProgressDialog
5.自定義對話框
話不多說線上代碼吧
activity_main.xml
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context="com.example.dialog.MainActivity" >
<Button
android:onClick="showAlertDialog"
android:text="顯示對話框"
android:layout_width="match_parent"
android:layout_height="50dp"/>
<Button
android:onClick="showAlertDialog1"
android:text="顯示dateDialog"
android:layout_width="match_parent"
android:layout_height="50dp"/>
<Button
android:onClick="showAlertDialog2"
android:text="顯示TimePickDialog"
android:layout_width="match_parent"
android:layout_height="50dp"/>
<Button
android:onClick="showAlertDialog3"
android:text="顯示ProgressDialog"
android:layout_width="match_parent"
android:layout_height="50dp"/>
<Button
android:id="@+id/btn"
android:onClick="showAlertDialog4"
android:text="自定義Dialog"
android:layout_width="match_parent"
android:layout_height="50dp"/>
</LinearLayout>
自定義對話框樣式
myview.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<LinearLayout
android:orientation="horizontal"
android:layout_height="50dp"
android:layout_width="match_parent">
<TextView
android:text="賬號"
android:layout_width="50dp"
android:layout_height="50dp"/>
<EditText
android:id="@+id/username"
android:background="@null"
android:layout_width="match_parent"
android:layout_height="50dp"/>
</LinearLayout>
<LinearLayout
android:orientation="horizontal"
android:layout_height="50dp"
android:layout_width="match_parent">
<TextView
android:text="密碼"
android:layout_width="50dp"
android:layout_height="50dp"/>
<EditText
android:id="@+id/password"
android:background="@null"
android:layout_width="match_parent"
android:layout_height="50dp"/>
</LinearLayout>
<LinearLayout
android:orientation="horizontal"
android:layout_height="50dp"
android:layout_width="match_parent">
<Button
android:text="登陸"
android:id="@+id/btn_1"
android:layout_width="wrap_content"
android:layout_height="50dp"
android:layout_weight="1"/>
<Button
android:text="取消"
android:id="@+id/btn_2"
android:layout_width="wrap_content"
android:layout_height="50dp"
android:layout_weight="1"/>
</LinearLayout>
</LinearLayout>
MainActivity.java
package com.example.dialog;
import java.util.Calendar;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.DatePickerDialog;
import android.app.DatePickerDialog.OnDateSetListener;
import android.app.ProgressDialog;
import android.app.TimePickerDialog;
import android.app.TimePickerDialog.OnTimeSetListener;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.DatePicker;
import android.widget.EditText;
import android.widget.TimePicker;
import android.widget.Toast;
public class MainActivity extends Activity {
private Button btn_1;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
//普通對話框
public void showAlertDialog(View view){
AlertDialog.Builder builder = new AlertDialog.Builder(this);
//必須選擇纔可以
builder.setCancelable(true);
//設置標題
builder.setTitle("提示");
//設置圖標
builder.setIcon(R.drawable.ic_launcher);
//設置內容
builder.setMessage("確定要刪除?");
//設置按鈕
builder.setNegativeButton("取消", new OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
// TODO Auto-generated method stub
}
});
builder.setPositiveButton("確定", new OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
// TODO Auto-generated method stub
finish();
}
});
//創建Dialog對象,並顯示
builder.create().show();
}
//日期對話框
public void showAlertDialog1(View view){
Calendar calendar = Calendar.getInstance();
final int year = calendar.get(Calendar.YEAR);
final int month = calendar.get(Calendar.MONTH);
final int day = calendar.get(Calendar.DAY_OF_MONTH);
DatePickerDialog datePickerDialog = new DatePickerDialog(
this, new OnDateSetListener() {
@Override
public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth) {
// TODO Auto-generated method stub
}
}, year, month, day);
datePickerDialog.show();
}
//事件對話框
public void showAlertDialog2(View view){
Calendar calendar = Calendar.getInstance();
final int hour = calendar.get(Calendar.HOUR);
final int minute = calendar.get(Calendar.MINUTE);
TimePickerDialog timePickerDialog = new TimePickerDialog(
this, new OnTimeSetListener() {
@Override
public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
// TODO Auto-generated method stub
}
}, hour, minute, true);
timePickerDialog.show();
}
//進度條對話框
public void showAlertDialog3(View view){
//ProgressDialog.show(this,"提示", "正在加載",true);
ProgressDialog progressDialog = new ProgressDialog(this);
progressDialog.setMessage("正在下載");
progressDialog.setMax(100);
progressDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
progressDialog.setIndeterminate(false);
progressDialog.show();
}
//自定義對話框
public void showAlertDialog4(View view){
AlertDialog.Builder builder = new AlertDialog.Builder(MainActivity.this);
View view2 = View.inflate(MainActivity.this, R.layout.myview, null);
builder.setView(view2);
Button btn_1 = (Button)view2.findViewById(R.id.btn_1);
Button btn_2 = (Button)view2.findViewById(R.id.btn_2);
final EditText username = (EditText)view2.findViewById(R.id.username);
final EditText password = (EditText)view2.findViewById(R.id.password);
final AlertDialog alertDialog = builder.create();
alertDialog.show();
btn_1.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
if("".equals(username.getText().toString())||"".equals(password.getText().toString())){
Toast.makeText(MainActivity.this, "用戶名或者密碼爲空", Toast.LENGTH_SHORT).show();;
}else if(!username.getText().toString().equals(password.getText().toString())){
Toast.makeText(MainActivity.this, "用戶名密碼不一樣", Toast.LENGTH_SHORT).show();;
}else{
Toast.makeText(MainActivity.this, "登陸成功 usernmae:"+username.getText().toString()
+"密碼:"+password.getText().toString(), Toast.LENGTH_SHORT).show();;
alertDialog.dismiss();
}
}
});
btn_2.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
//是對話框消失
alertDialog.dismiss();
}
});
//alertDialog.dismiss();
}
}
前面幾種Dialog對話框不常使用，最爲重要的是最後一個自定義對話框，需要寫一個自己的佈局作爲對話框，運用場景很多