问题描述
我有简单的 MaterialAlertDialog
并且我想为正按钮设置图标。所以我以编程方式设置图标,因为我想要多个警报对话框的唯一图标,并为所有 dialog
这是我做的。
final MaterialAlertDialogBuilder dialogBuilder = new MaterialAlertDialogBuilder(SubListActivity.this,R.style.AlertDialogTheme);
dialogBuilder.setTitle("Delete selected files ?");
ListView modeList = new ListView(SubListActivity.this);
modeList.setPadding(50,50,50);
CustomArrayAdapter adapter = new CustomArrayAdapter(SubListActivity.this,temp);
modeList.setAdapter(adapter);
dialogBuilder.setView(modeList);
dialogBuilder.setNegativeButton(android.R.string.no,null);
dialogBuilder.setPositiveButton(R.string.delete,(dialog,which) -> {
//Some function
}).setPositiveButtonIcon(getDrawable(R.drawable.ic_item_delete)).create().show();
<style name="AlertDialogTheme" parent="ThemeOverlay.MaterialComponents.Dialog.Alert">
<item name="buttonbarNegativeButtonStyle">@style/NegativeButtonStyle</item>
<item name="buttonbarPositiveButtonStyle">@style/PositiveButtonStyle</item>
</style>
<style name="NegativeButtonStyle" parent="Widget.MaterialComponents.Button.TextButton.Dialog">
<item name="rippleColor">@color/primarySubText</item>
<item name="android:textColor">@color/primarySubText</item>
</style>
<style name="PositiveButtonStyle" parent="Widget.MaterialComponents.Button.TextButton.Icon">
<item name="rippleColor">@color/secondaryLightColor</item>
<item name="android:textColor">@color/darkRed</item>
<item name="iconTint">@color/darkRed</item>
<item name="iconSize">4dp</item>
<item name="iconPadding">4dp</item>
</style>
结果:
如果我在主题中设置图标大小适合按钮。但正如我之前提到的,我想为每个对话框设置唯一的图标。
那么我如何调整图标大小?
解决方法
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