Android,Coding an app and want to know how to indicate the to be install in SD card
<p>I am building an heavy app (20mb) so i would like to know how to make as default installation  to install in SD card i try few tutorial but not success the version of my android code is 2.2.</p>

<p>I add in the manifest the line: </p>

<pre><code> android:installLocation="preferExternal"
</code></pre>

<p>but nothing happen</p>

<pre><code> &lt;?xml version="1.0" encoding="utf-8"?&gt;
</code></pre>

<p>
    </p>

<pre><code>&lt;application android:icon="@drawable/icon" android:label="@string/app_name"&gt;
&lt;supports-screens
    android:smallScreens="true"
    android:normalScreens="true"
    android:largeScreens="true"
    android:resizeable="true"
    android:anyDensity="true"/&gt;
    &lt;activity android:name=".Toto"
              android:label="@string/app_name" android:screenOrientation="portrait"&gt;
        &lt;intent-filter&gt;
            &lt;action android:name="android.intent.action.MAIN" /&gt;
            &lt;category android:name="android.intent.category.LAUNCHER" /&gt;
        &lt;/intent-filter&gt;
    &lt;/activity&gt;

&lt;/application&gt;
&lt;uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /&gt;
</code></pre>

<p></p>

<p>I will appreciate Help!!!</p>
