Uiautomator: Upgraded uiautomator base classes to Uiauto2

Uiautomator1 has been deprecated, therefore the uiautomation base classes have
been upgraded to use uiautomator2 and the new gradle build system.

wa/framework/uiauto/app/build.gradle

@@ -0,0 +1,18 @@
+apply plugin: 'com.android.library'
+
+android {
+    compileSdkVersion 25
+    buildToolsVersion '25.0.3'
+    defaultConfig {
+        minSdkVersion 18
+        targetSdkVersion 25
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+    }
+}
+
+dependencies {
+    compile fileTree(include: ['*.jar'], dir: 'libs')
+    compile 'com.android.support.test:runner:0.5'
+    compile 'com.android.support.test:rules:0.5'
+    compile 'com.android.support.test.uiautomator:uiautomator-v18:2.1.2'
+}

wa/framework/uiauto/app/src/main/AndroidManifest.xml

@@ -0,0 +1,9 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.arm.wlauto.uiauto">
+
+    <uses-permission android:name="android.permission.READ_LOGS"/>
+
+    <application>
+        <uses-library android:name="android.test.runner"/>
+    </application>
+</manifest>

wa/framework/uiauto/app/src/main/java/com/arm/wa/uiauto/BaseUiAutomation.java

@@ -0,0 +1,143 @@
+/*    Copyright 2013-2016 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
+package com.arm.wa.uiauto;
+
+import android.app.Instrumentation;
+import android.content.Context;
+import android.os.SystemClock;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.uiautomator.UiDevice;
+import android.support.test.uiautomator.UiObject;
+import android.support.test.uiautomator.UiObjectNotFoundException;
+import android.support.test.uiautomator.UiSelector;
+
+import org.junit.Before;
+import org.junit.Test;
+import static android.support.test.InstrumentationRegistry.getArguments;
+
+import android.os.Bundle;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.InputStreamReader;
+import java.util.concurrent.TimeoutException;
+
+
+public class BaseUiAutomation {
+
+    public Instrumentation mInstrumentation;
+    public Context mContext;
+    public UiDevice mDevice;
+
+    @Before
+    public void initialize_instrumentation() {
+        mInstrumentation = InstrumentationRegistry.getInstrumentation();
+        mDevice = UiDevice.getInstance(mInstrumentation);
+        mContext = mInstrumentation.getTargetContext();
+    }
+
+    @Test
+    public void setup() throws Exception {
+    }
+
+    @Test
+    public void runWorkload() throws Exception {
+    }
+
+    @Test
+    public void extractResults() throws Exception {
+    }
+
+    @Test
+    public void teardown() throws Exception {
+    }
+
+    public void sleep(int second) {
+        SystemClock.sleep(second * 1000);
+    }
+
+    public boolean takeScreenshot(String name) {
+        Bundle params = getArguments();
+        String png_dir = params.getString("workdir");
+
+        try {
+            return mDevice.takeScreenshot(new File(png_dir, name + ".png"));
+        } catch (NoSuchMethodError e) {
+            return true;
+        }
+    }
+
+    public void waitText(String text) throws UiObjectNotFoundException {
+        waitText(text, 600);
+    }
+
+    public void waitText(String text, int second) throws UiObjectNotFoundException {
+        UiSelector selector = new UiSelector();
+        UiObject text_obj = mDevice.findObject(selector.text(text)
+                                                       .className("android.widget.TextView"));
+        waitObject(text_obj, second);
+    }
+
+    public void waitObject(UiObject obj) throws UiObjectNotFoundException {
+        waitObject(obj, 600);
+    }
+
+    public void waitObject(UiObject obj, int second) throws UiObjectNotFoundException {
+        if (!obj.waitForExists(second * 1000)) {
+            throw new UiObjectNotFoundException("UiObject is not found: "
+                    + obj.getSelector().toString());
+        }
+    }
+
+    public boolean waitUntilNoObject(UiObject obj, int second) {
+        return obj.waitUntilGone(second * 1000);
+    }
+
+    public void clearLogcat() throws Exception {
+        Runtime.getRuntime().exec("logcat -c");
+    }
+
+    public void waitForLogcatText(String searchText, long timeout) throws Exception {
+        long startTime = System.currentTimeMillis();
+        Process process = Runtime.getRuntime().exec("logcat");
+        BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream()));
+        String line;
+
+        long currentTime = System.currentTimeMillis();
+        boolean found = false;
+        while ((currentTime - startTime) < timeout) {
+            sleep(2);  // poll every two seconds
+
+            while ((line = reader.readLine()) != null) {
+                if (line.contains(searchText)) {
+                    found = true;
+                    break;
+                }
+            }
+
+            if (found) {
+                break;
+            }
+            currentTime = System.currentTimeMillis();
+        }
+
+        process.destroy();
+
+        if ((currentTime - startTime) >= timeout) {
+            throw new TimeoutException("Timed out waiting for Logcat text \"%s\"".format(searchText));
+        }
+    }
+}