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/*
* Copyright (C) 2020 The Android Open Source Project
*
* 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.android.settings.testutils;
import android.app.Activity;
import android.util.Log;
import android.view.View;
import android.view.ViewGroup;
import androidx.fragment.app.FragmentActivity;
import androidx.test.runner.lifecycle.ActivityLifecycleMonitorRegistry;
import androidx.test.runner.lifecycle.Stage;
import java.util.ArrayList;
import java.util.Collection;
import java.util.function.Supplier;
public class UiUtils {
private static final String TAG = "UI_UTILS";
public static boolean waitUntilCondition(long timeoutInMillis, Supplier<Boolean> condition) {
long start = System.nanoTime();
while (System.nanoTime() - start < (timeoutInMillis * 1000000)) {
try {
//Eat NPE from condition because there's a concurrency issue that when calling
//findViewById when the view hierarchy is still rendering, it sometimes encounter
//null views that may exist few milliseconds before, and causes a NPE.
if (condition.get()) {
return true;
}
} catch (NullPointerException e) {
e.printStackTrace();
}
}
Log.w(TAG, "Condition not match and timeout for waiting " + timeoutInMillis + "(ms).");
return false;
}
public static boolean waitForActivitiesInStage(long timeoutInMillis, Stage stage) {
final Collection<Activity> activities = new ArrayList<>();
waitUntilCondition(Constants.ACTIVITY_LAUNCH_WAIT_TIMEOUT, () -> {
activities.addAll(
ActivityLifecycleMonitorRegistry.getInstance().getActivitiesInStage(
Stage.RESUMED));
return activities.size() > 0;
});
return activities.size() > 0;
}
public static void dumpView(View view) {
dumpViewRecursive(view, 0, 0, 0);
}
public static View getFirstViewFromActivity(Activity activity) {
return ((FragmentActivity) activity).getSupportFragmentManager().getFragments().get(
0).getView();
}
private static void dumpViewRecursive(View view, int layer, int index, int total) {
if (view instanceof ViewGroup) {
Log.i(TAG, "L[" + layer + "] PARENT -> " + (index + 1) + "/" + total + " >> "
+ view.toString());
System.out.println(
TAG + " L[" + layer + "] PARENT -> " + (index + 1) + "/" + total + " >> "
+ view.toString());
for (int i = 0; i < ((ViewGroup) view).getChildCount(); i++) {
dumpViewRecursive(((ViewGroup) view).getChildAt(i), layer + 1, i + 1,
((ViewGroup) view).getChildCount());
}
} else {
Log.i(TAG, "L[" + layer + "] =END= -> " + (index + 1) + "/" + total + " >> "
+ view.toString());
}
}
}
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