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<EditText
android:id="@+id/editText2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:ems="10"
android:inputType="textPersonName"
android:background="@drawable/text_field_bg"
android:padding="5dp"
android:hint="請輸入帳號(4-16英數)"/>

~ android studio res drawable file ~

connie 2019.05.29 | android | | No Comments

File-based resource names must contain only lowercase a-z, 0-9, or underscore


<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">

<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginStart="8dp"
android:layout_marginLeft="8dp"
android:layout_marginTop="8dp"
android:layout_marginEnd="8dp"
android:layout_marginRight="8dp"
android:layout_marginBottom="8dp"
android:orientation="horizontal"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent">

<TableLayout
android:layout_width="300dp"
android:layout_height="match_parent"
android:gravity="center">

<TableRow
android:layout_width="match_parent"
android:layout_height="match_parent">

<Button
android:id="@+id/button10"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Button1" />
</TableRow>

<TableRow
android:layout_width="match_parent"
android:layout_height="match_parent">

<Button
android:id="@+id/button11"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Button3" />
</TableRow>

</TableLayout>

<TableLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center">

<TableRow
android:layout_width="match_parent"
android:layout_height="match_parent">

<Button
android:id="@+id/button13"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Button4" />
</TableRow>

<TableRow
android:layout_width="match_parent"
android:layout_height="match_parent" />

<TableRow
android:layout_width="match_parent"
android:layout_height="match_parent" />

<TableRow
android:layout_width="match_parent"
android:layout_height="match_parent" />
</TableLayout>
</LinearLayout>
</android.support.constraint.ConstraintLayout>
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