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POHow to solve error implementing backwards compatibility API 12 to 7 of Android GridLayout
 

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  1. POHow to solve error implementing backwards compatibility API 12 to 7 of Android GridLayout
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    <p>How do I make sure that newer features (API level 12) are made available for older API's (level 7)? I wish to use a block of RadioButtons. I do that within a gridLayout. I use Eclipse Juno for editing, Java compiler JDK compliance level set to 1.6. </p> <p>Upon saving the layout containing the gridLayout with RadioButtons it warned that that is not available in API level 7 so asked if I wanted to solve that to which I answered yes. </p> <p>I checked that instead of using GridLayout that type is (correctly?) referred to as android.support.v7.widget.GridLayout in the layout file. A node 'gridlayout_v7' with an empty src subdirectory was placed in the root of the project bij Eclipse.</p> <p>Android Support Library v.11 is installed.</p> <p>However when I run the program in the virtual device (Android 2.1 device) LogCat returns following erors and warnings:</p> <pre><code>09-16 08:21:44.068: E/AndroidRuntime(678): ERROR: thread attach failed 09-16 08:21:44.894: W/ResourceType(412): Resources don't contain package for resource number 0x7f0700e5 09-16 08:21:44.906: W/ResourceType(412): Resources don't contain package for resource number 0x7f020031 09-16 08:21:44.906: W/ResourceType(412): Resources don't contain package for resource number 0x7f020030 09-16 08:21:44.906: W/ResourceType(412): Resources don't contain package for resource number 0x7f050000 09-16 08:21:44.984: W/ResourceType(412): Resources don't contain package for resource number 0x7f060000 09-16 08:21:44.994: W/ResourceType(412): Resources don't contain package for resource number 0x7f060001 09-16 08:21:45.234: W/ResourceType(412): Resources don't contain package for resource number 0x7f0700e5 09-16 08:21:45.234: W/ResourceType(412): Resources don't contain package for resource number 0x7f020031 09-16 08:21:45.234: W/ResourceType(412): Resources don't contain package for resource number 0x7f020030 09-16 08:21:45.234: W/ResourceType(412): Resources don't contain package for resource number 0x7f050000 09-16 08:21:45.244: W/ResourceType(412): Resources don't contain package for resource number 0x7f060000 09-16 08:21:45.254: W/ResourceType(412): Resources don't contain package for resource number 0x7f060001 09-16 08:21:47.374: E/AndroidRuntime(689): ERROR: thread attach failed 09-16 08:21:47.844: W/dalvikvm(695): VFY: unable to resolve virtual method 2883: Landroid/support/v7/widget/ViewGroup;.onChildVisibilityChanged (Landroid/view/View;II)V 09-16 08:21:47.844: W/dalvikvm(695): VFY: unable to resolve virtual method 2885: Landroid/support/v7/widget/ViewGroup;.onInitializeAccessibilityEvent (Landroid/view/accessibility/AccessibilityEvent;)V 09-16 08:21:47.854: W/dalvikvm(695): VFY: unable to find class referenced in signature (Landroid/view/accessibility/AccessibilityNodeInfo;) 09-16 08:21:47.854: W/dalvikvm(695): VFY: unable to resolve virtual method 2886: Landroid/support/v7/widget/ViewGroup;.onInitializeAccessibilityNodeInfo (Landroid/view/accessibility/AccessibilityNodeInfo;)V 09-16 08:21:47.874: W/dalvikvm(695): VFY: unable to resolve virtual method 2887: Landroid/support/v7/widget/ViewGroup;.onSetLayoutParams (Landroid/view/View;Landroid/view/ViewGroup$LayoutParams;)V 09-16 08:21:47.874: W/dalvikvm(695): VFY: unable to resolve virtual method 2888: Landroid/support/v7/widget/ViewGroup;.onViewAdded (Landroid/view/View;)V 09-16 08:21:47.874: W/dalvikvm(695): VFY: unable to resolve virtual method 2889: Landroid/support/v7/widget/ViewGroup;.onViewRemoved (Landroid/view/View;)V 09-16 08:21:47.884: W/dalvikvm(695): VFY: unable to resolve static method 3016: Landroid/view/View;.resolveSizeAndState (III)I </code></pre> <p>Error log shows no errors.</p> <p>Console shows following (no errors):</p> <pre><code>[2012-11-20 16:59:22 - SimpleScore] ------------------------------ [2012-11-20 16:59:22 - SimpleScore] Android Launch! [2012-11-20 16:59:22 - SimpleScore] adb is running normally. [2012-11-20 16:59:22 - SimpleScore] Performing nl.computerhuys.simplescore.MainActivity activity launch [2012-11-20 16:59:22 - SimpleScore] Automatic Target Mode: launching new emulator with compatible AVD 'VirtualAndroid2.1' [2012-11-20 16:59:22 - SimpleScore] Launching a new emulator with Virtual Device 'VirtualAndroid2.1' [2012-11-20 16:59:32 - Emulator] Warning: No DNS servers found [2012-11-20 16:59:33 - SimpleScore] New emulator found: emulator-5554 [2012-11-20 16:59:33 - SimpleScore] Waiting for HOME ('android.process.acore') to be launched... [2012-11-20 17:00:20 - SimpleScore] HOME is up on device 'emulator-5554' [2012-11-20 17:00:20 - SimpleScore] Uploading SimpleScore.apk onto device 'emulator-5554' [2012-11-20 17:00:22 - SimpleScore] Installing SimpleScore.apk... [2012-11-20 17:00:29 - SimpleScore] Success! [2012-11-20 17:00:29 - SimpleScore] Starting activity nl.computerhuys.simplescore.MainActivity on device emulator-5554 [2012-11-20 17:00:32 - SimpleScore] ActivityManager: Starting: Intent { act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] cmp=nl.computerhuys.simplescore/.MainActivity } </code></pre> <p>Full code of sourcecode file MainActivity.java:</p> <pre><code>package nl.computerhuys.simplescore; import android.os.Bundle; import android.app.Activity; import android.view.Menu; public class MainActivity extends Activity { @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); } @Override public boolean onCreateOptionsMenu(Menu menu) { getMenuInflater().inflate(R.menu.activity_main, menu); return true; } } </code></pre> <p>Full code of layout file activity_main.xml: </p> <pre><code>&lt;RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" xmlns:app="http://schemas.android.com/apk/res/nl.computerhuys.simplescore" android:layout_width="match_parent" android:layout_height="match_parent" &gt; &lt;TextView android:id="@+id/textView1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentLeft="true" android:layout_alignParentTop="true" android:layout_marginTop="133dp" android:text="@string/speler1" android:textAppearance="?android:attr/textAppearanceLarge" /&gt; &lt;TextView android:id="@+id/textView2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentLeft="true" android:layout_below="@+id/textView1" android:layout_marginTop="33dp" android:text="@string/speler2" android:textAppearance="?android:attr/textAppearanceLarge" /&gt; &lt;TextView android:id="@+id/textView3" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentLeft="true" android:layout_below="@+id/textView2" android:layout_marginTop="33dp" android:text="@string/speler3" android:textAppearance="?android:attr/textAppearanceLarge" /&gt; &lt;android.support.v7.widget.GridLayout android:id="@+id/gridLayout1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignTop="@+id/textView1" android:layout_marginLeft="19dp" android:layout_marginTop="-5dp" android:layout_toRightOf="@+id/textView2" &gt; &lt;RadioButton android:id="@+id/radioButton1" android:layout_width="wrap_content" android:layout_height="wrap_content" app:layout_column="0" app:layout_gravity="right" app:layout_row="0" android:text="@string/score1" /&gt; &lt;RadioButton android:id="@+id/radioButton2" android:layout_width="wrap_content" android:layout_height="wrap_content" app:layout_column="1" app:layout_gravity="left" app:layout_row="0" android:text="@string/score2" /&gt; &lt;RadioButton android:id="@+id/radioButton3" android:layout_width="wrap_content" android:layout_height="wrap_content" app:layout_column="2" app:layout_row="0" android:text="@string/score3" /&gt; &lt;android.support.v7.widget.Space android:layout_width="100dp" android:layout_height="28dp" app:layout_column="0" app:layout_row="0" /&gt; &lt;/android.support.v7.widget.GridLayout&gt; &lt;android.support.v7.widget.GridLayout android:id="@+id/gridLayout2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignTop="@id/textView2" android:layout_marginLeft="19dp" android:layout_marginTop="-5dp" android:layout_toRightOf="@id/textView2" &gt; &lt;RadioButton android:id="@+id/RadioButton03" android:layout_width="wrap_content" android:layout_height="wrap_content" app:layout_column="0" app:layout_gravity="right" app:layout_row="0" android:text="@string/score1" /&gt; &lt;RadioButton android:id="@+id/RadioButton02" android:layout_width="wrap_content" android:layout_height="wrap_content" app:layout_column="1" app:layout_gravity="left" app:layout_row="0" android:text="@string/score2" /&gt; &lt;RadioButton android:id="@+id/RadioButton01" android:layout_width="wrap_content" android:layout_height="wrap_content" app:layout_column="2" app:layout_gravity="left" app:layout_row="0" android:text="@string/score3" /&gt; &lt;android.support.v7.widget.Space android:layout_width="100dp" android:layout_height="28dp" app:layout_column="0" app:layout_row="0" /&gt; &lt;/android.support.v7.widget.GridLayout&gt; &lt;android.support.v7.widget.GridLayout android:id="@+id/gridLayout3" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignTop="@+id/textView3" android:layout_marginLeft="19dp" android:layout_marginTop="-5dp" android:layout_toRightOf="@id/textView2" &gt; &lt;RadioButton android:id="@+id/RadioButton05" android:layout_width="wrap_content" android:layout_height="wrap_content" app:layout_column="0" app:layout_gravity="right" app:layout_row="0" android:text="@string/score1" /&gt; &lt;RadioButton android:id="@+id/RadioButton06" android:layout_width="wrap_content" android:layout_height="wrap_content" app:layout_column="1" app:layout_gravity="left" app:layout_row="0" android:text="@string/score2" /&gt; &lt;RadioButton android:id="@+id/RadioButton04" android:layout_width="wrap_content" android:layout_height="wrap_content" app:layout_column="2" app:layout_gravity="left" app:layout_row="0" android:text="@string/score3" /&gt; &lt;android.support.v7.widget.Space android:layout_width="100dp" android:layout_height="28dp" app:layout_column="0" app:layout_row="0" /&gt; &lt;/android.support.v7.widget.GridLayout&gt; &lt;/RelativeLayout&gt; </code></pre> <p>Finally, here's the manifest file:</p> <pre><code>&lt;manifest xmlns:android="http://schemas.android.com/apk/res/android" package="nl.computerhuys.simplescore" android:versionCode="1" android:versionName="1.0" &gt; &lt;uses-sdk android:minSdkVersion="7" android:targetSdkVersion="15" /&gt; &lt;application android:icon="@drawable/ic_launcher" android:label="@string/app_name" android:theme="@style/AppTheme" &gt; &lt;activity android:name=".MainActivity" android:label="@string/title_activity_main" &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;/manifest&gt; </code></pre> <p>Clicking a RadioButton in the virtual device (after first forcing the app to show) results in following LogCat errors:</p> <pre><code>09-16 09:05:04.056: W/KeyCharacterMap(412): No keyboard for id 0 09-16 09:05:04.064: W/KeyCharacterMap(412): Using default keymap: /system/usr/keychars/qwerty.kcm.bin 09-16 09:05:15.075: W/ActivityManager(412): Scheduling restart of crashed service com.android.inputmethod.latin/.LatinIME in 5000ms 09-16 09:05:15.095: E/ActivityThread(412): Failed to find provider info for android.server.checkin 09-16 09:05:15.105: W/Checkin(412): Can't log event SYSTEM_SERVICE_LOOPING: java.lang.IllegalArgumentException: Unknown URL content://android.server.checkin/events 09-16 09:05:21.114: W/InputMethodManager(695): Ignoring onBind: cur seq=-1, given seq=1 </code></pre> <p>After selecting a radiobutton it is not possible to unselect it by clicking it again or by selecting another radiobutton in the same group (same GridLayout).</p> <p>What is wrong, how to solve?</p>
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    1. COCheckout these two threads. They might help you! http://stackoverflow.com/questions/3289768/error-thread-attach-failed http://stackoverflow.com/questions/4188025/android-resources-dont-contain-package-for-resource-number-0x
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