Java 使用 Theme.Light.NoTitleBar 显示 Light AlertDialog
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Show Light AlertDialog using Theme.Light.NoTitleBar
提问by Si8
I used the following line in my manifest:
我在清单中使用了以下行：
android:theme="@android:style/Theme.Light.NoTitleBar"
to have no title bar and display the light version of AlertDialog in my app, like in example:
没有标题栏并在我的应用程序中显示 AlertDialog 的精简版本，例如：
But it's displaying in dark theme still:
但它仍然以深色主题显示：
My Dialog Java code:
我的对话框 Java 代码：
new AlertDialog.Builder(FreeDraw.this)
.setIcon(android.R.drawable.ic_dialog_alert)
.setTitle("Clear Drawing?")
.setMessage("Do you want to clear the drawing board?")
.setPositiveButton("Yes", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
finish();
startActivity(getIntent());
}
})
.setNegativeButton("No", null)
.show();
How do I keep the theme light for AlertDialog?
如何保持 AlertDialog 的主题亮起？
采纳答案by James McCracken
The top dialog in your post is a Holo Light themed dialog whereas the bottom one is the older themed dialog. You cannot get a Holo Light themed dialog on versions below Honeycomb. Here is a little snippet I use to select the light theme based on what android version the device is running.
您帖子中的顶部对话框是 Holo Light 主题对话框，而底部是较旧的主题对话框。在 Honeycomb 以下版本中，您无法获得 Holo Light 主题对话框。这是我用来根据设备运行的 android 版本选择浅色主题的一个小片段。
The AlertDialog.Builderwill use the theme of the context it's passed. You can use a ContextThemeWrapperto set this.
该AlertDialog.Builder会用它传递的上下文的主题。您可以使用 aContextThemeWrapper来设置它。
ContextThemeWrapper themedContext;
if ( Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB ) {
themedContext = new ContextThemeWrapper( FreeDraw.this, android.R.style.Theme_Holo_Light_Dialog_NoActionBar );
}
else {
themedContext = new ContextThemeWrapper( FreeDraw.this, android.R.style.Theme_Light_NoTitleBar );
}
AlertDialog.Builder builder = new AlertDialog.Builder(themedContext);
回答by JavaDM
You have to use an AlertDialog Builder. With it you can set a style to your Dialog. Look the following example:
http://pastebin.com/07wyX0V3
你必须使用一个AlertDialog Builder. 有了它，您可以为对话框设置样式。看下面的例子：http:
//pastebin.com/07wyX0V3
<style name="popup_theme" parent="@android:style/Theme.Light">
<item name="android:windowBackground">@color/back_color</item>
<item name="android:colorBackground">@color/back_color</item>
</style>
回答by h4rd4r7c0r3
You can use something like this when creating your AlertDialog:
你可以在创建你的时候使用这样的东西AlertDialog：
AlertDialog.Builder builder = null;
if(Build.VERSION.SDK_INT < Build.VERSION_CODES.HONEYCOMB) {
builder = new AlertDialog.Builder(BaseActivity.this);
} else {
builder = new AlertDialog.Builder(BaseActivity.this, AlertDialog.THEME_HOLO_LIGHT);
}
// ... do your other stuff.
This code will create Holo Styled AlertDialog in newer versions and normal device based AlertDialog on devices with older version of Android.
此代码将在较新版本中创建 Holo Styled AlertDialog，并在旧版 Android 设备上创建基于普通设备的 AlertDialog。
回答by Sanjeev
If you are using new Material library from google, and want to keep the theme consistent
如果您正在使用来自 google 的新材料库，并希望保持主题一致
implementation 'com.google.android.material:material:1.0.0-beta01'
Simply use this for Light AlertBox
只需将其用于 Light AlertBox
AlertDialog.Builder builder = new AlertDialog.Builder(getActivity(),R.style.Theme_MaterialComponents_Light_Dialog_Alert);
for dark AlertBox
黑暗 AlertBox
AlertDialog.Builder builder = new AlertDialog.Builder(getActivity(),R.style.Theme_MaterialComponents_Dialog_Alert);
