别裁伪体亲风雅，转益多师是汝师。这篇文章主要讲述46.Android 自己定义Dialog相关的知识，希望能为你提供帮助。
46.android 自己定义Dialog

• Android 自己定义Dialog
  • 前言
  • 提示Dialog
  • 提示Dialog 效果图
  • 菜单Dialog
  • 菜单Dialog 效果图
  • DialogActivity

前言提供两套自己定义Dialog模板

• 第一种。提示Dialog，有消失时间。
  
• 另外一种，菜单Dialog，用于用户交互。
  

提示DialogCustomDialog

public class CustomDialog extends Dialog {private TextView dialogTV; private static final long DEFAULT_DURATION = 1000L; private static final String DEFAULT_CONTENT = ""; private long duration; private String content; private DialogCallback callback; public CustomDialog(Context context) { super(context, R.style.custom_dialog); this.initViews(context); }/** * Creates a dialog window that uses a custom dialog style. * < p/> * The supplied {@code context} is used to obtain the window manager and * base theme used to present the dialog. * < p/> * The supplied {@code theme} is applied on top of the context‘s theme. See * < a href="https://www.songbingjia.com/android/{@docRoot}guide/topics/resources/available-resources.html#stylesandthemes"> * Style and Theme Resources< /a> for more information about defining and * using styles. * * @param contextthe context in which the dialog should run * @param themeResId a style resource describing the theme to use for the *window, or {@code 0} to use the default dialog theme */ public CustomDialog(Context context, int themeResId) { super(context, themeResId); this.initViews(context); }public CustomDialog(Context context, boolean cancelable, OnCancelListener cancelListener) { super(context, cancelable, cancelListener); this.initViews(context); }private void initViews(Context context) { this.setContentView(R.layout.dialog_custom); this.dialogTV = (TextView) this.findViewById(R.id.custom_dialog_tv); }@Override public void show() { super.show(); this.dialogTV.setText(TextUtils.isEmpty(this.content) ? DEFAULT_CONTENT : this.content); long showDuration = this.duration > 0L ? this.duration : DEFAULT_DURATION; new Handler().postDelayed(new Runnable() { public void run() { if (CustomDialog.this.isShowing()) { CustomDialog.this.dismiss(); if (CustomDialog.this.callback != null) CustomDialog.this.callback.onDismiss(); } } }, showDuration); }public void setTextDrawable(Drawable drawable) { if (drawable == null) return; drawable.setBounds(0, 0, drawable.getMinimumWidth(), drawable.getMinimumHeight()); this.dialogTV.setCompoundDrawables(drawable, null, null, null); }public interface DialogCallback { void onDismiss(); }public static class DialogBuilder { private static String contextHashCode; private static CustomDialog dialog; public static DialogBuilder ourInstance; public static DialogBuilder getInstance(Context context) { if (ourInstance == null) ourInstance = new DialogBuilder(); String hashCode = String.valueOf(context.hashCode()); /** * 不同一个Activity */ if (!hashCode.equals(String.valueOf(contextHashCode))) { contextHashCode = hashCode; dialog = new CustomDialog(context); } return ourInstance; }public DialogBuilder setDuration(long duration) { dialog.duration = duration; return this; }public DialogBuilder setContent(String content) { dialog.content = content; return this; }public DialogBuilder setDrawable(Drawable drawable) { dialog.setTextDrawable(drawable); return this; }public DialogBuilder setCallback(DialogCallback callback) { dialog.callback = callback; return this; }public DialogBuilder setCanceledOnTouchOutside(boolean cancel) { dialog.setCanceledOnTouchOutside(cancel); return this; }public CustomDialog getDialog() { return dialog; }}}

dialog_custom.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:gravity="center"> < TextView android:id="@+id/custom_dialog_tv" android:layout_width="wrap_content" android:layout_height="wrap_content" android:background="@drawable/bg_dialog_custom_tv" android:drawableLeft="@mipmap/dialog_custom_tv_drawable" android:drawablePadding="5dp" android:drawableStart="@mipmap/dialog_custom_tv_drawable" android:gravity="center" android:text="成功" android:textColor="#ff666666" android:textSize="15sp" /> < /LinearLayout>

R.style.custom_dialog

< style name="custom_dialog" parent="@android:style/Theme.Dialog"> < item name="android:windowNoTitle"> true< /item> < item name="android:windowBackground"> @color/transparent< /item> < item name="android:windowIsTranslucent"> false< /item> < item name="android:windowFullscreen"> true< /item> < item name="android:windowIsFloating"> true< /item> < /style>

提示Dialog 效果图
文章图片

菜单DialogMenuDialog

public class MenuDialog extends Dialog {private TextView caseTV; private TextView helpTV; public MenuDialog(Context context) { super(context, R.style.menu_dialog); this.initViews(context); }/** * Creates a dialog window that uses a custom dialog style. * < p/> * The supplied {@code context} is used to obtain the window manager and * base theme used to present the dialog. * < p/> * The supplied {@code theme} is applied on top of the context‘s theme. See * < a href="https://www.songbingjia.com/android/{@docRoot}guide/topics/resources/available-resources.html#stylesandthemes"> * Style and Theme Resources< /a> for more information about defining and * using styles. * * @param contextthe context in which the dialog should run * @param themeResId a style resource describing the theme to use for the *window, or {@code 0} to use the default dialog theme */ public MenuDialog(Context context, int themeResId) { super(context, themeResId); this.initViews(context); }public MenuDialog(Context context, boolean cancelable, OnCancelListener cancelListener) { super(context, cancelable, cancelListener); this.initViews(context); }private void initViews(Context context) { this.setContentView(R.layout.dialog_menu); this.caseTV = (TextView) this.findViewById(R.id.dialog_menu_case_tv); this.helpTV = (TextView) this.findViewById(R.id.dialog_menu_help_tv); }public void setTextDrawable(Drawable drawable) { if (drawable == null) return; drawable.setBounds(0, 0, drawable.getMinimumWidth(), drawable.getMinimumHeight()); }public static class DialogBuilder { private static String contextHashCode; private static MenuDialog dialog; public static DialogBuilder ourInstance; public static DialogBuilder getInstance(Context context) { if (ourInstance == null) ourInstance = new DialogBuilder(); String hashCode = String.valueOf(context.hashCode()); /** * 不同一个Activity */ if (!hashCode.equals(String.valueOf(contextHashCode))) { contextHashCode = hashCode; dialog = new MenuDialog(context); } return ourInstance; }public DialogBuilder setCaseListenser(View.OnClickListener listener) { dialog.caseTV.setOnClickListener(listener); return this; }public DialogBuilder setHelpListener(View.OnClickListener listener) { dialog.helpTV.setOnClickListener(listener); return this; }public DialogBuilder setCanceledOnTouchOutside(boolean cancel) { dialog.setCanceledOnTouchOutside(cancel); return this; }public MenuDialog getDialog() { return dialog; }}}

dialog_menu.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:layout_gravity="center" android:gravity="center" android:orientation="horizontal"> < TextView android:id="@+id/dialog_menu_case_tv" android:layout_width="wrap_content" android:layout_height="wrap_content" android:background="@drawable/bg_dialog_menu_item" android:drawablePadding="13dp" android:drawableTop="@mipmap/dialog_menu_case" android:paddingBottom="13.5dp" android:paddingEnd="36dp" android:paddingLeft="36dp" android:paddingRight="36dp" android:paddingTop="20dp" android:gravity="center_horizontal" android:text="Case" android:textColor="#ff666666" android:textSize="14sp" /> < TextView android:id="@+id/dialog_menu_help_tv" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginLeft="16dp" android:background="@drawable/bg_dialog_menu_item" android:drawablePadding="13dp" android:drawableTop="@mipmap/dialog_menu_help" android:gravity="center_horizontal" android:paddingBottom="13.5dp" android:paddingEnd="36dp" android:paddingLeft="36dp" android:paddingRight="36dp" android:paddingTop="20dp" android:text="Help" android:textColor="#ff666666" android:textSize="14sp" /> < /LinearLayout>

R.style.menu_dialog

< style name="menu_dialog" parent="@android:style/Theme.Dialog"> < item name="android:windowNoTitle"> true< /item> < item name="android:windowBackground"> @color/transparent< /item> < item name="android:windowIsTranslucent"> false< /item> < item name="android:windowFullscreen"> true< /item> < item name="android:windowIsFloating"> true< /item> < /style>

菜单Dialog 效果图
文章图片

DialogActivity

public class DialogActivity extends AppCompatActivity implements View.OnClickListener {private MenuDialog menuDialog; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); this.setContentView(R.layout.activity_dialog); this.menuDialog = MenuDialog.DialogBuilder.getInstance(this) .setCaseListenser(new View.OnClickListener() { @Override public void onClick(View v) { Toast.makeText(DialogActivity.this, "case", Toast.LENGTH_SHORT).show(); DialogActivity.this.menuDialog.dismiss(); } }) .setHelpListener(new View.OnClickListener() { @Override public void onClick(View v) { Toast.makeText(DialogActivity.this, "Help", Toast.LENGTH_SHORT).show(); DialogActivity.this.menuDialog.dismiss(); } }) .getDialog(); this.initListeners(); }private void initListeners() { this.findViewById(R.id.dialog_custom).setOnClickListener(this); this.findViewById(R.id.dialog_menu).setOnClickListener(this); }/** * Called when a view has been clicked. * * @param v The view that was clicked. */ @Override public void onClick(View v) { switch (v.getId()) { case R.id.dialog_custom: CustomDialog.DialogBuilder.getInstance(this) .setDuration(2000L) .setContent("CustomDialog") .setCanceledOnTouchOutside(false) .setCallback(new CustomDialog.DialogCallback() { @Override public void onDismiss() { Toast.makeText(DialogActivity.this, "CustomDialog dismiss", Toast.LENGTH_SHORT).show(); } }) .getDialog() .show(); break; case R.id.dialog_menu: this.menuDialog.show(); break; } } }

activity_dialog.xml

< ?
【46.Android 自己定义Dialog】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" android:padding="26dp"> < TextView android:id="@+id/dialog_custom" style="@style/TextButton" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="CustomDialog" /> < TextView android:id="@+id/dialog_menu" style="@style/TextButton" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="MenuDialog" /> < /LinearLayout>

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