Android App

Adroid

XML syntax

< TextView                                          //open tag
android:text=“Happy Valentine’s Day”                // attributes
android:background=“@android:color/darker_gray”     // attributes
Android:layout_width=“150dp”                        // attributes
Android:layout_height=“75dp”/>                      // attributes and close tag

For the width / height to be precisely with the size of the content the value will be = “wrap_content”

or

https://plus.google.com/+AndroidDevelopers/posts/gQuBtnuk6iG

Hex Color

<TextView
    android:text="Happy Valentine's Day Ale eu amo vc de montao :) !"
    android:textColor="@android:color/black"
    android:background="#FF0266"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:textSize="45sp"
    android:textStyle="bold"
    />

Image

<TextView
    <ImageView
    android:src="@drawable/cake"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:scaleType="centerCrop"/>

ViewGroups

• LinearLayout
• RelativeLayout

<TextView
    <LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content">

    <TextView
        android:text="Guest List"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textSize="24sp"  />

    <TextView
        android:text="Kunal"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textSize="24sp"  />

</LinearLayout>

https://developer.android.com/guide/topics/ui/layout/linear.html?utm_source=udacity&utm_medium=course&utm_campaign=android_basics

https://developer.android.com/reference/android/widget/RelativeLayout.LayoutParams.html?utm_source=udacity&utm_medium=course&utm_campaign=android_basics