[英]Android EditText bottom line color and theme changes
你好,我需要刪除edittext默認樣式 我想從編輯文本焦點或普通編輯文本的兩側都刪除所選部分,我只希望普通編輯文本上的簡單黑線和焦點上的藍線
我創建了1個xml:
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:state_pressed="true"><shape android:shape="line">
<!-- Draw a 2dp width border around shape -->
<stroke android:width="1dp" android:color="@color/blue" />
</shape>
<!-- Overlap the left, top and right border using background color -->
<item
android:bottom="1dp"
>
<shape android:shape="rectangle">
<solid android:color="@color/white"/>
</shape>
</item> <!-- pressed -->
</item>
<item android:state_focused="true"><shape android:shape="rectangle">
<!-- Draw a 2dp width border around shape -->
<stroke android:width="1dp" android:color="@color/blue" />
</shape></item>
<!-- focused -->
<item><shape android:shape="rectangle">
<!-- Draw a 2dp width border around shape -->
<stroke android:width="1dp" android:color="@color/orange" />
</shape></item>
<!-- default -->
</selector>
但這給了我矩形,我只想要LINE @bottom
在drawable文件夾中創建新的xml文件。 可以說
A.XML
<?xml version="1.0" encoding="utf-8"?> <layer-list xmlns:android="http://schemas.android.com/apk/res/android"> <item> <shape android:shape="rectangle"> <solid android:color="@android:color/transparent" /> <!--background color of box--> </shape> </item> <item android:top="-2dp" android:right="-2dp" android:left="-2dp"> <shape> <solid android:color="@android:color/transparent" /> <stroke android:width="1dp" android:color="<Focus color>" /> <!-- color of stroke --> </shape> </item> </layer-list>
可以說在drawable中創建另一個新的xml文件
B.XML
<?xml version="1.0" encoding="utf-8"?> <layer-list xmlns:android="http://schemas.android.com/apk/res/android"> <item> <shape android:shape="rectangle"> <solid android:color="@android:color/transparent" /> <!--background color of box--> </shape> </item> <item android:top="-2dp" android:right="-2dp" android:left="-2dp"> <shape> <solid android:color="@android:color/transparent" /> <stroke android:width="1dp" android:color="#8AC42F" /> <!-- color of stroke --> </shape> </item> </layer-list>
在drawable中創建另一個新的xml文件。 可以說
c.xml
<?xml version="1.0" encoding="utf-8"?> <selector xmlns:android="http://schemas.android.com/apk/res/android" > <item android:state_focused="true" android:drawable="@drawable/a"></item> <item android:drawable="@drawable/b"> </item> </selector>
試試這個代碼。
這是一個選擇器文件。 必須將其作為edittext的背景。 選擇器會根據其(編輯文本)狀態自動在兩個可繪制文件之間切換。
使用 此 EditText
<EditText
android:id="@+id/id_Login_emal_et"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="5dp"
android:background="@drawable/c"
android:ems="10"
android:padding="10dip"
android:hint="Email"
android:inputType="textEmailAddress"
>
使用定義顏色的屬性來為style.xml
的應用程序主題中的colorControlActivated
, colorControlHighlight
和colorControlNormal
編輯文本。
<style name="Theme.App.Base" parent="Theme.AppCompat.Light.DarkActionBar">
<item name="colorControlNormal">@color/blackColor</item>
<item name="colorControlActivated">@color/blueColor</item>
<item name="colorControlHighlight">@color/blueColor</item>
</style>
對不同的edittext
狀態使用Selector
:
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:state_window_focused="false" android:state_enabled="true"
android:drawable="@drawable/twitter_im_edittext_normal" />
<item android:state_window_focused="false" android:state_enabled="false"
android:drawable="@drawable/twitter_im_edittext_normal" />
<item android:state_pressed="true" android:drawable="@drawable/twitter_im_edittext_normal" />
<item android:state_enabled="true" android:state_focused="true" android:drawable="@drawable/twitter_im_edittext_focused" />
<item android:state_enabled="true" android:drawable="@drawable/twitter_im_edittext_normal" />
<item android:state_focused="true" android:drawable="@drawable/twitter_im_edittext_focused" />
<item android:drawable="@drawable/twitter_im_edittext_normal" />
</selector>
您的可繪制對象將是Jayanth示例:
<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<item>
<shape android:shape="rectangle">
<solid android:color="@android:color/transparent" /> <!--background color of box-->
</shape>
</item>
<item
android:top="-2dp"
android:right="-2dp"
android:left="-2dp">
<shape>
<solid android:color="@android:color/transparent" />
<stroke
android:width="1dp"
android:color="#8AC42F" /> <!-- color of stroke -->
</shape>
</item>
</layer-list>
試試這個代碼:
edit_text.xml
<EditText
android:layout_width="40dp"
android:layout_height="40dp"
android:id="@+id/edit_text"
android:background="@drawable/custom_edit_text_black_line"
/>
將Xml文件放入Drawable文件夾(custom_edit_text_black_line.xml)
<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<item>
<shape android:shape="rectangle">
<solid android:color="@android:color/black" />
</shape>
</item>
<item android:bottom="2dp">
<shape android:shape="rectangle">
<solid android:color="#ffffff" />
</shape>
</item>
</layer-list>
將Xml文件放入Drawable文件夾(custom_edit_text_blue_line.xml)
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<item>
<shape android:shape="rectangle">
<solid android:color="@color/colorPrimaryDark" />
</shape>
</item>
<item android:bottom="2dp">
<shape android:shape="rectangle">
<solid android:color="#ffffff" />
</shape>
</item>
</layer-list>
然后在“活動”中編寫以下代碼:
edit_text.setOnFocusChangeListener(new View.OnFocusChangeListener() {
@Override
public void onFocusChange(View v, boolean hasFocus) {
if(hasFocus){
edit_text.setBackground(MainActivity.this.getResources().getDrawable(R.drawable.custom_edit_text_blue_line));
} else{
edit_text.setBackground(MainActivity.this.getResources().getDrawable(R.drawable.custom_edit_text_black_line));
}
}
});
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