Android手机开发：Dialog的实施
发布时间：2021-11-25 19:15:53 所属栏目：教程 来源：互联网
导读：1. 只含有OK和Cancel按钮的Dialog private Dialog buildDialog1(Context context) { AlertDialog.Builder builder = new AlertDialog.Builder(context); builder.setIcon(R.drawable.alert_dialog_icon); builder.setTitle(R.string.alert_dialog_two_button
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1. 只含有OK和Cancel按钮的Dialog private Dialog buildDialog1(Context context) { AlertDialog.Builder builder = new AlertDialog.Builder(context); builder.setIcon(R.drawable.alert_dialog_icon); builder.setTitle(R.string.alert_dialog_two_buttons_title); builder.setPositiveButton(R.string.alert_dialog_ok, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { setTitle("点击了对话框上的确定按钮"); } }); builder.setNegativeButton(R.string.alert_dialog_cancel, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { setTitle("点击了对话框上的取消按钮"); } }); return builder.create(); } 2. 含有3个按钮的Dialog private Dialog buildDialog2(Context context) { AlertDialog.Builder builder = new AlertDialog.Builder(context); builder.setIcon(R.drawable.alert_dialog_icon); builder.setTitle(R.string.alert_dialog_two_buttons_msg); builder.setMessage(R.string.alert_dialog_two_buttons2_msg); builder.setPositiveButton(R.string.alert_dialog_ok, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { setTitle("点击了对话框上的确定按钮"); } }); builder.setNeutralButton(R.string.alert_dialog_something, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { setTitle("点击了对话框上的进入详细按钮"); } }); builder.setNegativeButton(R.string.alert_dialog_cancel, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { setTitle("点击了对话框上的取消按钮"); } }); return builder.create(); } 3. 包含OK和Cancel按钮，以及一个View的Dialog private Dialog buildDialog3(Context context) { LayoutInflater inflater = LayoutInflater.from(this); final View textEntryView = inflater.inflate( R.layout.alert_dialog_text_entry, null); AlertDialog.Builder builder = new AlertDialog.Builder(context); builder.setIcon(R.drawable.alert_dialog_icon); builder.setTitle(R.string.alert_dialog_text_entry); builder.setView(textEntryView); builder.setPositiveButton(R.string.alert_dialog_ok, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { setTitle("点击了对话框上的确定按钮"); } }); builder.setNegativeButton(R.string.alert_dialog_cancel, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { setTitle("点击了对话框上的取消按钮"); } }); return builder.create(); } R.layout.alert_dialog_text_entry定义如下： <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:Android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="wrap_content" android:orientation="vertical"> <TextView android:id="@+id/username_view" android:layout_height="wrap_content" android:layout_width="wrap_content" android:layout_marginLeft="20dip" android:layout_marginRight="20dip" android:text="用户名" android:textAppearance="?android:attr/textAppearanceMedium" /> <EditText android:id="@+id/username_edit" android:layout_height="wrap_content" android:layout_width="fill_parent" android:layout_marginLeft="20dip" android:layout_marginRight="20dip" android:capitalize="none" android:textAppearance="?android:attr/textAppearanceMedium" /> <TextView android:id="@+id/password_view" android:layout_height="wrap_content" android:layout_width="wrap_content" android:layout_marginLeft="20dip" android:layout_marginRight="20dip" android:text="密码" android:textAppearance="?android:attr/textAppearanceMedium" /> <EditText android:id="@+id/password_edit" android:layout_height="wrap_content" android:layout_width="fill_parent" android:layout_marginLeft="20dip" android:layout_marginRight="20dip" android:capitalize="none" android:password="true" android:textAppearance="?android:attr/textAppearanceMedium" /> </LinearLayout> 4. 直接使用ProgressDialog private Dialog buildDialog4(Context context) { ProgressDialog dialog = new ProgressDialog(context); dialog.setTitle("正在下载歌曲"); dialog.setMessage("请稍候……"); return dialog; }  （编辑：东莞站长网） 【声明】本站内容均来自网络，其相关言论仅代表作者个人观点，不代表本站立场。若无意侵犯到您的权利，请及时与联系站长删除相关内容! |
