Update simple sample app to use a resource directly from code

Also, add getting of 10 non-existing resource ids with ids that we
can mangle with in resource shrinking.

Bug: 148441055
Change-Id: Ibfd966f575f13fb96251b043d1a395153b73e4a5
diff --git a/src/test/sampleApks/simple/res/layout/main.xml b/src/test/sampleApks/simple/res/layout/main.xml
index 7859435..ab673af 100644
--- a/src/test/sampleApks/simple/res/layout/main.xml
+++ b/src/test/sampleApks/simple/res/layout/main.xml
@@ -14,5 +14,5 @@
       android:layout_height="wrap_content"
       android:layout_width="match_parent" android:id="@+id/PressButton"
       android:layout_margin="2dip"
-      android:text="Do something"/>
+      android:text="@string/referenced_from_layout"/>
 </LinearLayout>
diff --git a/src/test/sampleApks/simple/res/values/strings.xml b/src/test/sampleApks/simple/res/values/strings.xml
index 8bae26c..5bf4844 100644
--- a/src/test/sampleApks/simple/res/values/strings.xml
+++ b/src/test/sampleApks/simple/res/values/strings.xml
@@ -6,4 +6,7 @@
 -->
 <resources>
   <string name="app_name">R8 simple app</string>
+  <string name="referenced_from_layout">Push it</string>
+  <string name="referenced_from_code">code txt</string>
+  <string name="not_used">not used</string>
 </resources>
diff --git a/src/test/sampleApks/simple/src/com/android/tools/r8/sample/simple/R8Activity.java b/src/test/sampleApks/simple/src/com/android/tools/r8/sample/simple/R8Activity.java
index 4a09fd4..67aca2b 100644
--- a/src/test/sampleApks/simple/src/com/android/tools/r8/sample/simple/R8Activity.java
+++ b/src/test/sampleApks/simple/src/com/android/tools/r8/sample/simple/R8Activity.java
@@ -7,11 +7,40 @@
 import android.app.Activity;
 import android.os.Bundle;
 import com.android.tools.r8.sample.simple.R;
+import java.util.ArrayList;
+import android.content.res.Resources;
+
 
 public class R8Activity extends Activity {
   public void onCreate(Bundle savedInstanceState) {
     super.onCreate(savedInstanceState);
     setTheme(android.R.style.Theme_Light);
     setContentView(R.layout.main);
+    System.out.println(R.string.referenced_from_code);
+    useResources();
+  }
+
+
+  public void useResources() {
+    // Add usage of resource identifiers with ID's that would never
+    // exist in aapt generated R class (so that we can swap them out).
+    ArrayList<Integer> resources = new ArrayList();
+    resources.add(0x7fDEAD01);
+    resources.add(0x7fDEAD02);
+    resources.add(0x7fDEAD03);
+    resources.add(0x7fDEAD04);
+    resources.add(0x7fDEAD05);
+    resources.add(0x7fDEAD06);
+    resources.add(0x7fDEAD07);
+    resources.add(0x7fDEAD08);
+    resources.add(0x7fDEAD09);
+    resources.add(0x7fDEAD0a);
+    for (int id : resources) {
+      try {
+        getResources().getResourceName(id);
+      } catch (Resources.NotFoundException e) {
+        // Do nothing
+      }
+    }
   }
 }