0x000 环境：
- 系统：Win10
- IDE:Android Studio2.0
0x002 简单使用
-
继承树：
Dialog是AlertDialog、DatePickerDialog、ProgressDialog等一些常用Dialog的直接或者间接父类，但是官网文档说我们应当避免直接使用父类，而应该使用他们的子类。
Paste_Image.png -
AlertDialog最简单使用方式：
-
代码：
AlertDialog.Builder builder=new AlertDialog.Builder(DialogActivity.this); builder.setTitle("SimpleAlert"); builder.setMessage("are you ok"); builder.setNegativeButton("Cancle", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { Toast.makeText(getApplicationContext(),"you click cancle",Toast.LENGTH_LONG).show(); } }); builder.setPositiveButton("Sure", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { Toast.makeText(getApplicationContext(),"you click sure",Toast.LENGTH_LONG).show(); } }); builder.create().show(); -
效果：
Paste_Image.png
-说明：Dialog使用的是建造者模式，所以我们要用build来建造一个dialog，同时根据建造者模式的特性，我们还可以这么写：
AlertDialog.Builder builder=new AlertDialog.Builder(DialogActivity.this); builder.setTitle("SimpleAlert"). setMessage("are you ok"). setNegativeButton("Cancle", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { Toast.makeText(getApplicationContext(),"you click cancle",Toast.LENGTH_LONG).show(); } }). setPositiveButton("Sure", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { Toast.makeText(getApplicationContext(),"you click sure",Toast.LENGTH_LONG).show(); } }).create().show(); -
-
DialogFragment
官网中推荐我们不应当这么使用，而是应该使用DialogFragment，因为这样可以更好地管理Dialog的生命周期和方法。所以接下来都会使用DialogFragment的方式来写-
代码：
//MyDialogFragment.java
public class MyDialogFragment extends android.support.v4.app.DialogFragment {
@NonNull
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
AlertDialog.Builder builder=new AlertDialog.Builder(getActivity());
builder.setTitle("first alert");
builder.setMessage("are you OK");
builder.setPositiveButton("Sure", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
Toast.makeText(getContext(),"you click sure",Toast.LENGTH_LONG).show();
}
});
builder.setNegativeButton("Cancle", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
Toast.makeText(getContext(),"you click cancle",Toast.LENGTH_LONG).show();} }); return builder.create(); } } //DialogActivity MyDialogFragment myDialogFragment=new MyDialogFragment(); myDialogFragment.show(getSupportFragmentManager(),"");
-
0x003 AlertDialog
- 再添加一个按钮
-
代码：
public class NatureButtonFragment extends DialogFragment {
@NonNull
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
AlertDialog.Builder builder=new AlertDialog.Builder(getActivity());
builder.setTitle("more button")
.setMessage("more button")
//确认按钮
.setNegativeButton("SURE", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
Toast.makeText(getContext(),"you click sure",Toast.LENGTH_LONG).show();} }) //取消按钮 .setPositiveButton("CANCLE", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { Toast.makeText(getContext(),"you click cancle",Toast.LENGTH_LONG).show(); } }) //第三个按钮，不是确认也不是取消，而是介于二者中间，例如Remind Me Later .setNeutralButton("REMAIND ME LATER", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { Toast.makeText(getContext(),"you click later",Toast.LENGTH_LONG).show(); } }); return builder.create(); } } 效果
-
- 添加一个列表
- 代码：
//ListDialogFragment.java
public class ListDialogFragment extends DialogFragment {
@NonNull
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
final String s[] = new String[]{"item1", "item2", "item3"};
AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
builder.setTitle("List")
.setItems(s, new DialogInterface.OnClickListener() {
@TargetApi(Build.VERSION_CODES.M)
@Override
public void onClick(DialogInterface dialog, int which) {
Toast.makeText(getContext(), "you click " + s[which], Toast.LENGTH_LONG).show();
}
});
return builder.create();
}
} - 效果：
- 添加一列单选按钮
- 代码：
public class ListDialogFragment extends DialogFragment {
@NonNull
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
final String s[] = new String[]{"item1", "item2", "item3"};
AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
builder.setTitle("List")
.setItems(s, new DialogInterface.OnClickListener() {
@TargetApi(Build.VERSION_CODES.M)
@Override
public void onClick(DialogInterface dialog, int which) {
Toast.makeText(getContext(), "you click " + s[which], Toast.LENGTH_LONG).show();
}
});
return builder.create();
}
} - 效果：
- 代码：
- 添加一列多选按钮
-
代码：
public class MultipChoiceDialogFragment extends DialogFragment {
@TargetApi(Build.VERSION_CODES.M)
@NonNull
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
final String s[]={"item1","item2","item3"};
final boolean s2[]={true,false,false};AlertDialog.Builder builder=new AlertDialog.Builder(getContext()); builder.setMultiChoiceItems(s, s2, new DialogInterface.OnMultiChoiceClickListener() { @Override public void onClick(DialogInterface dialog, int which, boolean isChecked) { Toast.makeText(getContext(),s[which]+" isChecked is "+isChecked,Toast.LENGTH_LONG).show(); } }); return builder.create(); } }
-
- 自定义视图
- 代码：
//CustomerDialogFragment.java
public class CustomerDialogFragment extends DialogFragment {
@TargetApi(Build.VERSION_CODES.M)
@NonNull
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
AlertDialog.Builder builder=new AlertDialog.Builder(getContext());
builder.setView(R.layout.fragment_dialog_customer);
return builder.create();
}
}
//R.layout.fragment_dialog_customer.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="match_parent"
android:padding="20dp"
android:layout_height="match_parent">
<EditText
android:hint="username"
android:inputType="textEmailAddress"
android:layout_width="match_parent"
android:layout_height="wrap_content" />
<EditText
android:hint="password"
android:inputType="textPassword"
android:layout_width="match_parent"
android:layout_height="wrap_content" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<Button
android:text="REGISTER"
android:layout_weight="1"
android:layout_width="0px"
android:layout_height="wrap_content" />
<Button
android:text="LOGIN"
android:layout_weight="1"
android:layout_width="0px"
android:layout_height="wrap_content" />
</LinearLayout>
</LinearLayout> - 效果：
- 代码：
- 在activity中处理按钮事件：
-
代码：
//EventBackDialogFragment .java
public class EventBackDialogFragment extends DialogFragment {
public interface EventBackDialogListener{
public void OnPositiveClick(DialogFragment dialogFragment);
public void OnNegativeClick(DialogFragment dialogFragment);
}
EventBackDialogListener mListener;
@NonNull
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {AlertDialog.Builder builder = new AlertDialog.Builder(getContext()); builder.setNegativeButton("Cancle", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { mListener.OnNegativeClick(EventBackDialogFragment.this); } }) .setPositiveButton("SURE", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { mListener.OnPositiveClick(EventBackDialogFragment.this); } }); return builder.create(); } @Override public void onAttach(Activity activity) { super.onAttach(activity); mListener= (EventBackDialogListener) activity; } } //DialogActivity public class DialogActivity extends ListActivity implements EventBackDialogFragment.EventBackDialogListener { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); EventBackDialogFragment eventBackDialogFragment=new EventBackDialogFragment(); eventBackDialogFragment.show(getFragmentManager(),""); } @Override public void OnPositiveClick(android.app.DialogFragment dialogFragment) { Toast.makeText(getApplicationContext(),"you click Sure",Toast.LENGTH_LONG).show(); } @Override public void OnNegativeClick(android.app.DialogFragment dialogFragment) { Toast.makeText(getApplicationContext(),"you click Cancle",Toast.LENGTH_LONG).show(); } }
-
0x004 ProgressDialog
- 概述：progressDialog和DatapickerDilaog等其实不过是AlertDialog的子类，所以说白了，不过是一个封装好的Dialog，比如progressDlialog不过是封装了一个progress的AlertDialog。
- progressDialog进度条
-
代码：
public class ProgressDialogFragment extends DialogFragment {
@TargetApi(Build.VERSION_CODES.M)
@NonNull
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {ProgressDialog progressDialog=new ProgressDialog(getContext()); return progressDialog; } } 效果图
-
- 带进度的progress
在ProgressDialog.java中，有一个方法名为setProgressStyle(int style ),我们跳到mProgressStyle,就会看到
public static final int STYLE_SPINNER = 0;//spinner进度条
public static final int STYLE_HORIZONTAL = 1;//horizontal进度条
Paste_Image.png
-
代码：
public class ProgressHorizatalDialogFragment extends DialogFragment { @TargetApi(Build.VERSION_CODES.M) @NonNull @Override public Dialog onCreateDialog(Bundle savedInstanceState) { ProgressDialog progressDialog=new ProgressDialog(getContext()); progressDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL); progressDialog.setMessage("正在下载"); progressDialog.setProgress(20); progressDialog.setMax(100); return progressDialog; } } 效果
0x005 DatePickerDialog
-
代码：
public class DatePickerDialogFragment extends DialogFragment {
@TargetApi(Build.VERSION_CODES.M)
@NonNull
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
DatePickerDialog datePickerDialog=new DatePickerDialog(getContext(), new DatePickerDialog.OnDateSetListener() {
@Override
public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth) {} },2016,10,12); return datePickerDialog; } } 效果：
TimePickerDialog
- 代码
public class TimePickerDialogFragment extends DialogFragment {
@TargetApi(Build.VERSION_CODES.M)
@NonNull
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
TimePickerDialog timePickerDialog=new TimePickerDialog(getContext(), new TimePickerDialog.OnTimeSetListener() {
@Override
public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
Toast.makeText(getContext(),"you choice"+hourOfDay+":"+minute,Toast.LENGTH_LONG).show();
}
},12,12,true);
timePickerDialog.show();
return timePickerDialog;
}
} - 效果
