Build droiddriver as an Android library with Gradle

Update minSdkVersion to 12
Add @TargetApi appropriatedly to fix lint errors
Remove Eclipse files

Change-Id: I661d3fd0e8b2517ae9ee4ba1e489031a8846130d

18 files changed, 68 insertions, 318 deletions

diff --git a/.classpath b/.classpath
deleted file mode 100644
index a8deb8f..0000000
--- a/.classpath
+++ /dev/null
@@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<classpath>
-	<classpathentry kind="src" path="src"/>
-	<!--  TODO: clean up path before open sourcing -->
-	<classpathentry kind="lib" path="../../prebuilts/sdk/19/android.jar"/>
-	<classpathentry kind="output" path="bin/classes"/>
-</classpath>
diff --git a/.gitignore b/.gitignore
index 8e331b1..dd8caa2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,9 +3,15 @@ gen/
 
 # gradle junk
 .gradle
+gradle/
+gradlew
+gradlew.bat
 build
 
 # Android Studio junk
 .idea/
 *.iml
 local.properties
+
+.DS_Store
+
diff --git a/.project b/.project
deleted file mode 100644
index 89d5c05..0000000
--- a/.project
+++ /dev/null
@@ -1,17 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<projectDescription>
-	<name>DroidDriver</name>
-	<comment></comment>
-	<projects>
-	</projects>
-	<buildSpec>
-		<buildCommand>
-			<name>org.eclipse.jdt.core.javabuilder</name>
-			<arguments>
-			</arguments>
-		</buildCommand>
-	</buildSpec>
-	<natures>
-		<nature>org.eclipse.jdt.core.javanature</nature>
-	</natures>
-</projectDescription>
diff --git a/.settings/org.eclipse.jdt.core.prefs b/.settings/org.eclipse.jdt.core.prefs
deleted file mode 100644
index 6815107..0000000
--- a/.settings/org.eclipse.jdt.core.prefs
+++ /dev/null
@@ -1,281 +0,0 @@
-eclipse.preferences.version=1
-org.eclipse.jdt.core.formatter.align_type_members_on_columns=false
-org.eclipse.jdt.core.formatter.alignment_for_arguments_in_allocation_expression=16
-org.eclipse.jdt.core.formatter.alignment_for_arguments_in_annotation=16
-org.eclipse.jdt.core.formatter.alignment_for_arguments_in_enum_constant=16
-org.eclipse.jdt.core.formatter.alignment_for_arguments_in_explicit_constructor_call=16
-org.eclipse.jdt.core.formatter.alignment_for_arguments_in_method_invocation=16
-org.eclipse.jdt.core.formatter.alignment_for_arguments_in_qualified_allocation_expression=16
-org.eclipse.jdt.core.formatter.alignment_for_assignment=16
-org.eclipse.jdt.core.formatter.alignment_for_binary_expression=16
-org.eclipse.jdt.core.formatter.alignment_for_compact_if=16
-org.eclipse.jdt.core.formatter.alignment_for_conditional_expression=80
-org.eclipse.jdt.core.formatter.alignment_for_enum_constants=0
-org.eclipse.jdt.core.formatter.alignment_for_expressions_in_array_initializer=16
-org.eclipse.jdt.core.formatter.alignment_for_method_declaration=0
-org.eclipse.jdt.core.formatter.alignment_for_multiple_fields=16
-org.eclipse.jdt.core.formatter.alignment_for_parameters_in_constructor_declaration=16
-org.eclipse.jdt.core.formatter.alignment_for_parameters_in_method_declaration=16
-org.eclipse.jdt.core.formatter.alignment_for_resources_in_try=80
-org.eclipse.jdt.core.formatter.alignment_for_selector_in_method_invocation=16
-org.eclipse.jdt.core.formatter.alignment_for_superclass_in_type_declaration=16
-org.eclipse.jdt.core.formatter.alignment_for_superinterfaces_in_enum_declaration=16
-org.eclipse.jdt.core.formatter.alignment_for_superinterfaces_in_type_declaration=16
-org.eclipse.jdt.core.formatter.alignment_for_throws_clause_in_constructor_declaration=16
-org.eclipse.jdt.core.formatter.alignment_for_throws_clause_in_method_declaration=16
-org.eclipse.jdt.core.formatter.alignment_for_union_type_in_multicatch=16
-org.eclipse.jdt.core.formatter.blank_lines_after_imports=1
-org.eclipse.jdt.core.formatter.blank_lines_after_package=1
-org.eclipse.jdt.core.formatter.blank_lines_before_field=0
-org.eclipse.jdt.core.formatter.blank_lines_before_first_class_body_declaration=0
-org.eclipse.jdt.core.formatter.blank_lines_before_imports=0
-org.eclipse.jdt.core.formatter.blank_lines_before_member_type=0
-org.eclipse.jdt.core.formatter.blank_lines_before_method=1
-org.eclipse.jdt.core.formatter.blank_lines_before_new_chunk=1
-org.eclipse.jdt.core.formatter.blank_lines_before_package=0
-org.eclipse.jdt.core.formatter.blank_lines_between_import_groups=1
-org.eclipse.jdt.core.formatter.blank_lines_between_type_declarations=2
-org.eclipse.jdt.core.formatter.brace_position_for_annotation_type_declaration=end_of_line
-org.eclipse.jdt.core.formatter.brace_position_for_anonymous_type_declaration=end_of_line
-org.eclipse.jdt.core.formatter.brace_position_for_array_initializer=end_of_line
-org.eclipse.jdt.core.formatter.brace_position_for_block=end_of_line
-org.eclipse.jdt.core.formatter.brace_position_for_block_in_case=end_of_line
-org.eclipse.jdt.core.formatter.brace_position_for_constructor_declaration=end_of_line
-org.eclipse.jdt.core.formatter.brace_position_for_enum_constant=end_of_line
-org.eclipse.jdt.core.formatter.brace_position_for_enum_declaration=end_of_line
-org.eclipse.jdt.core.formatter.brace_position_for_method_declaration=end_of_line
-org.eclipse.jdt.core.formatter.brace_position_for_switch=end_of_line
-org.eclipse.jdt.core.formatter.brace_position_for_type_declaration=end_of_line
-org.eclipse.jdt.core.formatter.comment.clear_blank_lines_in_block_comment=false
-org.eclipse.jdt.core.formatter.comment.clear_blank_lines_in_javadoc_comment=false
-org.eclipse.jdt.core.formatter.comment.format_block_comments=true
-org.eclipse.jdt.core.formatter.comment.format_header=false
-org.eclipse.jdt.core.formatter.comment.format_html=true
-org.eclipse.jdt.core.formatter.comment.format_javadoc_comments=true
-org.eclipse.jdt.core.formatter.comment.format_line_comments=true
-org.eclipse.jdt.core.formatter.comment.format_source_code=true
-org.eclipse.jdt.core.formatter.comment.indent_parameter_description=false
-org.eclipse.jdt.core.formatter.comment.indent_root_tags=true
-org.eclipse.jdt.core.formatter.comment.insert_new_line_before_root_tags=insert
-org.eclipse.jdt.core.formatter.comment.insert_new_line_for_parameter=do not insert
-org.eclipse.jdt.core.formatter.comment.line_length=80
-org.eclipse.jdt.core.formatter.comment.new_lines_at_block_boundaries=true
-org.eclipse.jdt.core.formatter.comment.new_lines_at_javadoc_boundaries=true
-org.eclipse.jdt.core.formatter.comment.preserve_white_space_between_code_and_line_comments=false
-org.eclipse.jdt.core.formatter.compact_else_if=true
-org.eclipse.jdt.core.formatter.continuation_indentation=2
-org.eclipse.jdt.core.formatter.continuation_indentation_for_array_initializer=2
-org.eclipse.jdt.core.formatter.disabling_tag=@formatter\:off
-org.eclipse.jdt.core.formatter.enabling_tag=@formatter\:on
-org.eclipse.jdt.core.formatter.format_guardian_clause_on_one_line=false
-org.eclipse.jdt.core.formatter.format_line_comment_starting_on_first_column=true
-org.eclipse.jdt.core.formatter.indent_body_declarations_compare_to_annotation_declaration_header=true
-org.eclipse.jdt.core.formatter.indent_body_declarations_compare_to_enum_constant_header=true
-org.eclipse.jdt.core.formatter.indent_body_declarations_compare_to_enum_declaration_header=true
-org.eclipse.jdt.core.formatter.indent_body_declarations_compare_to_type_header=true
-org.eclipse.jdt.core.formatter.indent_breaks_compare_to_cases=true
-org.eclipse.jdt.core.formatter.indent_empty_lines=false
-org.eclipse.jdt.core.formatter.indent_statements_compare_to_block=true
-org.eclipse.jdt.core.formatter.indent_statements_compare_to_body=true
-org.eclipse.jdt.core.formatter.indent_switchstatements_compare_to_cases=true
-org.eclipse.jdt.core.formatter.indent_switchstatements_compare_to_switch=true
-org.eclipse.jdt.core.formatter.indentation.size=4
-org.eclipse.jdt.core.formatter.insert_new_line_after_annotation_on_field=insert
-org.eclipse.jdt.core.formatter.insert_new_line_after_annotation_on_local_variable=insert
-org.eclipse.jdt.core.formatter.insert_new_line_after_annotation_on_method=insert
-org.eclipse.jdt.core.formatter.insert_new_line_after_annotation_on_package=insert
-org.eclipse.jdt.core.formatter.insert_new_line_after_annotation_on_parameter=do not insert
-org.eclipse.jdt.core.formatter.insert_new_line_after_annotation_on_type=insert
-org.eclipse.jdt.core.formatter.insert_new_line_after_label=do not insert
-org.eclipse.jdt.core.formatter.insert_new_line_after_opening_brace_in_array_initializer=do not insert
-org.eclipse.jdt.core.formatter.insert_new_line_at_end_of_file_if_missing=insert
-org.eclipse.jdt.core.formatter.insert_new_line_before_catch_in_try_statement=do not insert
-org.eclipse.jdt.core.formatter.insert_new_line_before_closing_brace_in_array_initializer=do not insert
-org.eclipse.jdt.core.formatter.insert_new_line_before_else_in_if_statement=do not insert
-org.eclipse.jdt.core.formatter.insert_new_line_before_finally_in_try_statement=do not insert
-org.eclipse.jdt.core.formatter.insert_new_line_before_while_in_do_statement=do not insert
-org.eclipse.jdt.core.formatter.insert_new_line_in_empty_annotation_declaration=insert
-org.eclipse.jdt.core.formatter.insert_new_line_in_empty_anonymous_type_declaration=do not insert
-org.eclipse.jdt.core.formatter.insert_new_line_in_empty_block=insert
-org.eclipse.jdt.core.formatter.insert_new_line_in_empty_enum_constant=do not insert
-org.eclipse.jdt.core.formatter.insert_new_line_in_empty_enum_declaration=insert
-org.eclipse.jdt.core.formatter.insert_new_line_in_empty_method_body=do not insert
-org.eclipse.jdt.core.formatter.insert_new_line_in_empty_type_declaration=insert
-org.eclipse.jdt.core.formatter.insert_space_after_and_in_type_parameter=insert
-org.eclipse.jdt.core.formatter.insert_space_after_assignment_operator=insert
-org.eclipse.jdt.core.formatter.insert_space_after_at_in_annotation=do not insert
-org.eclipse.jdt.core.formatter.insert_space_after_at_in_annotation_type_declaration=do not insert
-org.eclipse.jdt.core.formatter.insert_space_after_binary_operator=insert
-org.eclipse.jdt.core.formatter.insert_space_after_closing_angle_bracket_in_type_arguments=do not insert
-org.eclipse.jdt.core.formatter.insert_space_after_closing_angle_bracket_in_type_parameters=insert
-org.eclipse.jdt.core.formatter.insert_space_after_closing_brace_in_block=insert
-org.eclipse.jdt.core.formatter.insert_space_after_closing_paren_in_cast=insert
-org.eclipse.jdt.core.formatter.insert_space_after_colon_in_assert=insert
-org.eclipse.jdt.core.formatter.insert_space_after_colon_in_case=insert
-org.eclipse.jdt.core.formatter.insert_space_after_colon_in_conditional=insert
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-org.eclipse.jdt.core.formatter.insert_space_after_colon_in_labeled_statement=insert
-org.eclipse.jdt.core.formatter.insert_space_after_comma_in_allocation_expression=insert
-org.eclipse.jdt.core.formatter.insert_space_after_comma_in_annotation=insert
-org.eclipse.jdt.core.formatter.insert_space_after_comma_in_array_initializer=insert
-org.eclipse.jdt.core.formatter.insert_space_after_comma_in_constructor_declaration_parameters=insert
-org.eclipse.jdt.core.formatter.insert_space_after_comma_in_constructor_declaration_throws=insert
-org.eclipse.jdt.core.formatter.insert_space_after_comma_in_enum_constant_arguments=insert
-org.eclipse.jdt.core.formatter.insert_space_after_comma_in_enum_declarations=insert
-org.eclipse.jdt.core.formatter.insert_space_after_comma_in_explicitconstructorcall_arguments=insert
-org.eclipse.jdt.core.formatter.insert_space_after_comma_in_for_increments=insert
-org.eclipse.jdt.core.formatter.insert_space_after_comma_in_for_inits=insert
-org.eclipse.jdt.core.formatter.insert_space_after_comma_in_method_declaration_parameters=insert
-org.eclipse.jdt.core.formatter.insert_space_after_comma_in_method_declaration_throws=insert
-org.eclipse.jdt.core.formatter.insert_space_after_comma_in_method_invocation_arguments=insert
-org.eclipse.jdt.core.formatter.insert_space_after_comma_in_multiple_field_declarations=insert
-org.eclipse.jdt.core.formatter.insert_space_after_comma_in_multiple_local_declarations=insert
-org.eclipse.jdt.core.formatter.insert_space_after_comma_in_parameterized_type_reference=insert
-org.eclipse.jdt.core.formatter.insert_space_after_comma_in_superinterfaces=insert
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-org.eclipse.jdt.core.formatter.insert_space_after_comma_in_type_parameters=insert
-org.eclipse.jdt.core.formatter.insert_space_after_ellipsis=insert
-org.eclipse.jdt.core.formatter.insert_space_after_opening_angle_bracket_in_parameterized_type_reference=do not insert
-org.eclipse.jdt.core.formatter.insert_space_after_opening_angle_bracket_in_type_arguments=do not insert
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-org.eclipse.jdt.core.formatter.insert_space_after_opening_bracket_in_array_allocation_expression=do not insert
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-org.eclipse.jdt.core.formatter.insert_space_after_opening_paren_in_annotation=do not insert
-org.eclipse.jdt.core.formatter.insert_space_after_opening_paren_in_cast=do not insert
-org.eclipse.jdt.core.formatter.insert_space_after_opening_paren_in_catch=do not insert
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-org.eclipse.jdt.core.formatter.insert_space_before_opening_angle_bracket_in_type_parameters=do not insert
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-org.eclipse.jdt.core.formatter.insert_space_before_opening_brace_in_type_declaration=insert
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-org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_catch=insert
-org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_constructor_declaration=do not insert
-org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_enum_constant=do not insert
-org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_for=insert
-org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_if=insert
-org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_method_declaration=do not insert
-org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_method_invocation=do not insert
-org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_parenthesized_expression=do not insert
-org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_switch=insert
-org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_synchronized=insert
-org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_try=insert
-org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_while=insert
-org.eclipse.jdt.core.formatter.insert_space_before_parenthesized_expression_in_return=insert
-org.eclipse.jdt.core.formatter.insert_space_before_parenthesized_expression_in_throw=insert
-org.eclipse.jdt.core.formatter.insert_space_before_postfix_operator=do not insert
-org.eclipse.jdt.core.formatter.insert_space_before_prefix_operator=do not insert
-org.eclipse.jdt.core.formatter.insert_space_before_question_in_conditional=insert
-org.eclipse.jdt.core.formatter.insert_space_before_question_in_wildcard=do not insert
-org.eclipse.jdt.core.formatter.insert_space_before_semicolon=do not insert
-org.eclipse.jdt.core.formatter.insert_space_before_semicolon_in_for=do not insert
-org.eclipse.jdt.core.formatter.insert_space_before_semicolon_in_try_resources=do not insert
-org.eclipse.jdt.core.formatter.insert_space_before_unary_operator=do not insert
-org.eclipse.jdt.core.formatter.insert_space_between_brackets_in_array_type_reference=do not insert
-org.eclipse.jdt.core.formatter.insert_space_between_empty_braces_in_array_initializer=do not insert
-org.eclipse.jdt.core.formatter.insert_space_between_empty_brackets_in_array_allocation_expression=do not insert
-org.eclipse.jdt.core.formatter.insert_space_between_empty_parens_in_annotation_type_member_declaration=do not insert
-org.eclipse.jdt.core.formatter.insert_space_between_empty_parens_in_constructor_declaration=do not insert
-org.eclipse.jdt.core.formatter.insert_space_between_empty_parens_in_enum_constant=do not insert
-org.eclipse.jdt.core.formatter.insert_space_between_empty_parens_in_method_declaration=do not insert
-org.eclipse.jdt.core.formatter.insert_space_between_empty_parens_in_method_invocation=do not insert
-org.eclipse.jdt.core.formatter.join_lines_in_comments=true
-org.eclipse.jdt.core.formatter.join_wrapped_lines=true
-org.eclipse.jdt.core.formatter.keep_else_statement_on_same_line=false
-org.eclipse.jdt.core.formatter.keep_empty_array_initializer_on_one_line=false
-org.eclipse.jdt.core.formatter.keep_imple_if_on_one_line=true
-org.eclipse.jdt.core.formatter.keep_then_statement_on_same_line=false
-org.eclipse.jdt.core.formatter.lineSplit=100
-org.eclipse.jdt.core.formatter.never_indent_block_comments_on_first_column=false
-org.eclipse.jdt.core.formatter.never_indent_line_comments_on_first_column=false
-org.eclipse.jdt.core.formatter.number_of_blank_lines_at_beginning_of_method_body=0
-org.eclipse.jdt.core.formatter.number_of_empty_lines_to_preserve=3
-org.eclipse.jdt.core.formatter.put_empty_statement_on_new_line=false
-org.eclipse.jdt.core.formatter.tabulation.char=space
-org.eclipse.jdt.core.formatter.tabulation.size=2
-org.eclipse.jdt.core.formatter.use_on_off_tags=false
-org.eclipse.jdt.core.formatter.use_tabs_only_for_leading_indentations=false
-org.eclipse.jdt.core.formatter.wrap_before_binary_operator=true
-org.eclipse.jdt.core.formatter.wrap_before_or_operator_multicatch=true
-org.eclipse.jdt.core.formatter.wrap_outer_expressions_when_nested=true
diff --git a/.settings/org.eclipse.jdt.ui.prefs b/.settings/org.eclipse.jdt.ui.prefs
deleted file mode 100644
index 6e2e2b4..0000000
--- a/.settings/org.eclipse.jdt.ui.prefs
+++ /dev/null
@@ -1,3 +0,0 @@
-eclipse.preferences.version=1
-formatter_profile=_Google-Perfect Format 100
-formatter_settings_version=12
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
new file mode 100644
index 0000000..bfd44d6
--- /dev/null
+++ b/AndroidManifest.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.google.android.droiddriver" >
+
+</manifest>
diff --git a/build.gradle b/build.gradle
index 6d9a1dd..83ffff7 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,13 +1,36 @@
-apply plugin: 'java'
-
-sourceSets {
-    main {
-        java {
-            srcDirs = ['src']
-        }
+// If building from command line and you don't have the file local.properties that specifies
+// sdk.dir for the Android SDK path, you can run
+// $ ANDROID_HOME=/path/to/android-sdk gradle build
+buildscript {
+    repositories {
+        jcenter()
+    }
+    dependencies {
+        // this requires Gradle 2
+        classpath 'com.android.tools.build:gradle:1.0.1'
     }
 }
 
-dependencies {
-    compile files('../../prebuilts/sdk/19/android.jar')
+apply plugin: 'com.android.library'
+
+android {
+    compileSdkVersion 21
+    buildToolsVersion "21.1.2"
+
+    defaultConfig {
+        minSdkVersion 12 // TODO: need to support SDK 9?
+        targetSdkVersion 21
+    }
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_7
+        targetCompatibility JavaVersion.VERSION_1_7
+    }
+
+    sourceSets {
+        main {
+            manifest.srcFile 'AndroidManifest.xml'
+            java.srcDirs = ['src']
+        }
+    }
 }
diff --git a/src/com/google/android/droiddriver/actions/accessibility/AccessibilityClickAction.java b/src/com/google/android/droiddriver/actions/accessibility/AccessibilityClickAction.java
index 0e7cc2b..91ab740 100644
--- a/src/com/google/android/droiddriver/actions/accessibility/AccessibilityClickAction.java
+++ b/src/com/google/android/droiddriver/actions/accessibility/AccessibilityClickAction.java
@@ -16,6 +16,7 @@
 
 package com.google.android.droiddriver.actions.accessibility;
 
+import android.annotation.TargetApi;
 import android.view.accessibility.AccessibilityNodeInfo;
 
 import com.google.android.droiddriver.UiElement;
@@ -24,6 +25,7 @@ import com.google.android.droiddriver.exceptions.ActionException;
 /**
  * An {@link AccessibilityAction} that clicks on a UiElement.
  */
+@TargetApi(18)
 public abstract class AccessibilityClickAction extends AccessibilityAction {
 
   public static final AccessibilityClickAction SINGLE = new SingleClick(1000L);
diff --git a/src/com/google/android/droiddriver/actions/accessibility/AccessibilityScrollAction.java b/src/com/google/android/droiddriver/actions/accessibility/AccessibilityScrollAction.java
index bdeddc8..7095867 100644
--- a/src/com/google/android/droiddriver/actions/accessibility/AccessibilityScrollAction.java
+++ b/src/com/google/android/droiddriver/actions/accessibility/AccessibilityScrollAction.java
@@ -16,6 +16,7 @@
 
 package com.google.android.droiddriver.actions.accessibility;
 
+import android.annotation.TargetApi;
 import android.view.accessibility.AccessibilityNodeInfo;
 
 import com.google.android.droiddriver.UiElement;
@@ -26,6 +27,7 @@ import com.google.android.droiddriver.util.Strings;
 /**
  * An {@link AccessibilityAction} that scrolls an UiElement.
  */
+@TargetApi(18)
 public class AccessibilityScrollAction extends AccessibilityAction implements ScrollAction {
   private final PhysicalDirection direction;
 
diff --git a/src/com/google/android/droiddriver/helpers/DroidDrivers.java b/src/com/google/android/droiddriver/helpers/DroidDrivers.java
index c281075..4555b84 100644
--- a/src/com/google/android/droiddriver/helpers/DroidDrivers.java
+++ b/src/com/google/android/droiddriver/helpers/DroidDrivers.java
@@ -16,6 +16,7 @@
 
 package com.google.android.droiddriver.helpers;
 
+import android.annotation.TargetApi;
 import android.app.Instrumentation;
 import android.os.Build;
 import android.os.Bundle;
@@ -135,6 +136,7 @@ public class DroidDrivers {
   }
 
   /** Returns a new UiAutomationDriver */
+  @TargetApi(18)
   public static UiAutomationDriver newUiAutomationDriver(Instrumentation instrumentation) {
     if (!hasUiAutomation()) {
       throw new DroidDriverException("UiAutomation is not available below API 18. "
diff --git a/src/com/google/android/droiddriver/runner/TestRunner.java b/src/com/google/android/droiddriver/runner/TestRunner.java
index e6277fb..0518294 100644
--- a/src/com/google/android/droiddriver/runner/TestRunner.java
+++ b/src/com/google/android/droiddriver/runner/TestRunner.java
@@ -16,6 +16,7 @@
 
 package com.google.android.droiddriver.runner;
 
+import android.annotation.TargetApi;
 import android.app.Activity;
 import android.os.Build;
 import android.os.Bundle;
@@ -65,8 +66,11 @@ public class TestRunner extends InstrumentationTestRunner {
    * Adds a {@link TestListener} that finishes all created activities.
    */
   @Override
+  @TargetApi(18)
   public void onStart() {
-    DroidDrivers.initInstrumentation(this, getArguments());
+    if (Build.VERSION.SDK_INT >= 18) {
+      DroidDrivers.initInstrumentation(this, getArguments());
+    }
 
     getAndroidTestRunner().addTestListener(new TestListener() {
       @Override
diff --git a/src/com/google/android/droiddriver/scroll/AccessibilityEventScrollStepStrategy.java b/src/com/google/android/droiddriver/scroll/AccessibilityEventScrollStepStrategy.java
index f903746..840685e 100644
--- a/src/com/google/android/droiddriver/scroll/AccessibilityEventScrollStepStrategy.java
+++ b/src/com/google/android/droiddriver/scroll/AccessibilityEventScrollStepStrategy.java
@@ -15,6 +15,7 @@
  */
 package com.google.android.droiddriver.scroll;
 
+import android.annotation.TargetApi;
 import android.app.UiAutomation;
 import android.app.UiAutomation.AccessibilityEventFilter;
 import android.util.Log;
@@ -44,6 +45,7 @@ import java.util.concurrent.TimeoutException;
  * correct {@link AccessibilityEvent}s after scrolling.
  * </p>
  */
+@TargetApi(18)
 public class AccessibilityEventScrollStepStrategy implements ScrollStepStrategy {
   /**
    * Stores the data if we reached end at the last {@link #scroll}. If the data
diff --git a/src/com/google/android/droiddriver/uiautomation/UiAutomationContext.java b/src/com/google/android/droiddriver/uiautomation/UiAutomationContext.java
index 253d4e5..ef13bfb 100644
--- a/src/com/google/android/droiddriver/uiautomation/UiAutomationContext.java
+++ b/src/com/google/android/droiddriver/uiautomation/UiAutomationContext.java
@@ -16,6 +16,7 @@
 
 package com.google.android.droiddriver.uiautomation;
 
+import android.annotation.TargetApi;
 import android.app.Instrumentation;
 import android.app.UiAutomation;
 import android.view.accessibility.AccessibilityNodeInfo;
@@ -23,6 +24,7 @@ import android.view.accessibility.AccessibilityNodeInfo;
 import com.google.android.droiddriver.base.DroidDriverContext;
 import com.google.android.droiddriver.exceptions.UnrecoverableException;
 
+@TargetApi(18)
 public class UiAutomationContext extends
     DroidDriverContext<AccessibilityNodeInfo, UiAutomationElement> {
   private final UiAutomation uiAutomation;
diff --git a/src/com/google/android/droiddriver/uiautomation/UiAutomationDriver.java b/src/com/google/android/droiddriver/uiautomation/UiAutomationDriver.java
index f139a15..9ace07e 100644
--- a/src/com/google/android/droiddriver/uiautomation/UiAutomationDriver.java
+++ b/src/com/google/android/droiddriver/uiautomation/UiAutomationDriver.java
@@ -16,6 +16,7 @@
 
 package com.google.android.droiddriver.uiautomation;
 
+import android.annotation.TargetApi;
 import android.app.Instrumentation;
 import android.app.UiAutomation;
 import android.content.Context;
@@ -34,6 +35,7 @@ import com.google.android.droiddriver.util.Logs;
  * Implementation of DroidDriver that gets attributes via the Accessibility API
  * and is acted upon via synthesized events.
  */
+@TargetApi(18)
 public class UiAutomationDriver extends BaseDroidDriver<AccessibilityNodeInfo, UiAutomationElement> {
   // TODO: magic const from UiAutomator, but may not be useful
   /**
diff --git a/src/com/google/android/droiddriver/uiautomation/UiAutomationElement.java b/src/com/google/android/droiddriver/uiautomation/UiAutomationElement.java
index e737bc6..cc9b315 100644
--- a/src/com/google/android/droiddriver/uiautomation/UiAutomationElement.java
+++ b/src/com/google/android/droiddriver/uiautomation/UiAutomationElement.java
@@ -18,6 +18,7 @@ package com.google.android.droiddriver.uiautomation;
 
 import static com.google.android.droiddriver.util.Strings.charSequenceToString;
 
+import android.annotation.TargetApi;
 import android.app.UiAutomation;
 import android.app.UiAutomation.AccessibilityEventFilter;
 import android.graphics.Rect;
@@ -41,6 +42,7 @@ import java.util.concurrent.TimeoutException;
 /**
  * A UiElement that gets attributes via the Accessibility API.
  */
+@TargetApi(18)
 public class UiAutomationElement extends BaseUiElement<AccessibilityNodeInfo, UiAutomationElement> {
   private static final AccessibilityEventFilter ANY_EVENT_FILTER = new AccessibilityEventFilter() {
     @Override
diff --git a/src/com/google/android/droiddriver/uiautomation/UiAutomationInputInjector.java b/src/com/google/android/droiddriver/uiautomation/UiAutomationInputInjector.java
index 94d3ab4..ddbed5f 100644
--- a/src/com/google/android/droiddriver/uiautomation/UiAutomationInputInjector.java
+++ b/src/com/google/android/droiddriver/uiautomation/UiAutomationInputInjector.java
@@ -16,12 +16,14 @@
 
 package com.google.android.droiddriver.uiautomation;
 
+import android.annotation.TargetApi;
 import android.app.UiAutomation;
 import android.view.InputEvent;
 
 import com.google.android.droiddriver.actions.InputInjector;
 import com.google.android.droiddriver.uiautomation.UiAutomationContext.UiAutomationCallable;
 
+@TargetApi(18)
 public class UiAutomationInputInjector implements InputInjector {
   private final UiAutomationContext context;
 
diff --git a/src/com/google/android/droiddriver/uiautomation/UiAutomationUiDevice.java b/src/com/google/android/droiddriver/uiautomation/UiAutomationUiDevice.java
index a376cb6..06a417e 100644
--- a/src/com/google/android/droiddriver/uiautomation/UiAutomationUiDevice.java
+++ b/src/com/google/android/droiddriver/uiautomation/UiAutomationUiDevice.java
@@ -16,6 +16,7 @@
 
 package com.google.android.droiddriver.uiautomation;
 
+import android.annotation.TargetApi;
 import android.app.UiAutomation;
 import android.graphics.Bitmap;
 import android.util.Log;
@@ -25,6 +26,7 @@ import com.google.android.droiddriver.exceptions.UnrecoverableException;
 import com.google.android.droiddriver.uiautomation.UiAutomationContext.UiAutomationCallable;
 import com.google.android.droiddriver.util.Logs;
 
+@TargetApi(18)
 class UiAutomationUiDevice extends BaseUiDevice {
   private final UiAutomationContext context;
 
diff --git a/src/com/google/android/droiddriver/validators/DefaultAccessibilityValidator.java b/src/com/google/android/droiddriver/validators/DefaultAccessibilityValidator.java
index 5f49bcd..a150c8f 100644
--- a/src/com/google/android/droiddriver/validators/DefaultAccessibilityValidator.java
+++ b/src/com/google/android/droiddriver/validators/DefaultAccessibilityValidator.java
@@ -16,6 +16,7 @@
 
 package com.google.android.droiddriver.validators;
 
+import android.annotation.TargetApi;
 import android.text.TextUtils;
 import android.view.accessibility.AccessibilityNodeInfo;
 
@@ -26,6 +27,7 @@ import com.google.android.droiddriver.uiautomation.UiAutomationElement;
 /**
  * Fall-back Validator for accessibility.
  */
+@TargetApi(14)
 public class DefaultAccessibilityValidator implements Validator {
   @Override
   public boolean isApplicable(UiElement element, Action action) {