title: signed apk not working on my device
body: <p>I have signed my .apk with the export signed apk wizard in the manifest, I am trying to deploy it on my device but it doesn't work even there's no problem happened in the signing process, when I install it on my device it started to install and it stop showing me (application not installed). </p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;&lt;manifest xmlns:android="http://schemas.android.com/apk/res/android"
  package="com.nazzelha.elfagr"
  android:installLocation="auto"
  android:versionCode="1"
  android:versionName="1.0" &gt;
  &lt;uses-sdk
      android:minSdkVersion="8"
      android:targetSdkVersion="16" /&gt;
  &lt;supports-screens
      android:anyDensity="true"
      android:largeScreens="true"
      android:normalScreens="true"
      android:resizeable="true"
      android:smallScreens="true" /&gt;
  &lt;uses-permission android:name="android.permission.INTERNET" /&gt;
  &lt;uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /&gt;
  &lt;!-- Mobclix Required Permissions " --&gt;
  &lt;uses-permission android:name="android.permission.READ_PHONE_STATE" &gt;
  &lt;/uses-permission&gt;
  &lt;!-- Mobclix Optional Permissions --&gt;
  &lt;uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" &gt;
  &lt;/uses-permission&gt;
  &lt;uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" &gt;
  &lt;/uses-permission&gt;
  &lt;uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" &gt;
  &lt;/uses-permission&gt;
  &lt;application
      android:allowTaskReparenting="true"
      android:debuggable="false"
      android:icon="@drawable/ic_launcher"
      android:label="@string/app_name"
      android:permission="android.permission.ACCESS_COARSE_LOCATION"
      android:theme="@android:style/Theme.Light.NoTitleBar" &gt;
      &lt;activity
          android:name=".FeedsActivity"
          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;activity
          android:name=".Activity1"
          android:screenOrientation="portrait" /&gt;
      &lt;activity
          android:name=".Activity2"
          android:screenOrientation="portrait" /&gt;
      &lt;activity
          android:name=".Activity3"
          android:screenOrientation="portrait" /&gt;
      &lt;activity
          android:name=".InfoActivity"
          android:screenOrientation="portrait" /&gt;
      &lt;!-- Twitter --&gt;
      &lt;activity
          android:name="com.ecs.android.sample.twitter.PrepareRequestTokenActivity"
          android:launchMode="singleTask"
          android:screenOrientation="portrait" &gt;
          &lt;intent-filter&gt;
              &lt;action android:name="android.intent.action.VIEW" /&gt;
  
              &lt;category android:name="android.intent.category.DEFAULT" /&gt;
              &lt;category android:name="android.intent.category.BROWSABLE" /&gt;
  
              &lt;data
                  android:host="callback"
                  android:scheme="x-oauthflow-twitter" /&gt;
          &lt;/intent-filter&gt;
      &lt;/activity&gt;
      &lt;!-- Mobclix and AdMob Required Parameter --&gt;
      &lt;meta-data
          android:name="com.mobclix.APPLICATION_ID"
          android:value="ID" /&gt;
      &lt;meta-data
          android:name="ADMOB_PUBLISHER_ID"
          android:value="ID" /&gt;
      &lt;activity
          android:name="com.google.ads.AdActivity"
          android:configChanges="keyboard|keyboardHidden|orientation|screenLayout|uiMode"
          android:screenOrientation="portrait" /&gt;
      &lt;activity
          android:name="com.mobclix.android.sdk.MobclixBrowserActivity"
          android:screenOrientation="portrait" /&gt;
  &lt;/application&gt;
  </code></pre>
  
  <p></p>