Question

I want to implement interface like iphone sms:

Now I have chat listview with my custom ChatAdapter, incoming and outcoming messages inflates from different layouts:

outcoming layout:

<?xml version="1.0" encoding="utf-8"?>
<TextView xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_gravity="right"
    android:background="@drawable/question_bubble"
    android:paddingBottom="10dp"
    android:paddingLeft="20dp"
    android:paddingRight="27dp"
    android:paddingTop="10dp"
    android:textColor="@color/BlackColor"
    android:textSize="18sp" />

incoming layout:

<TextView xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_gravity="left"
    android:autoLink="all"
    android:background="@drawable/answer_bubble"
    android:paddingLeft="27dp"
    android:paddingRight="20dp"
    android:paddingTop="10dp"
    android:paddingBottom="10dp"    
    android:textColor="@color/BlackColor"
    android:textSize="18sp"/>

I use “layout_gravity”, but it doesnt work inside list view. Result:

How can I align question messages to right side?

Answer 1

Add a wrapper layout to your item layouts (for example a LinearLayout) that will have layout_width="match_parent" and gravitiy="left"/"right", this will adjust the inner Layout/TextView to the right position.

In general it is highly recommended to not use wrap_content for items in a ListView, this makes the ListView‘s onMeasure method to get repeatedly called and slow your app down.