hostsidetests/services/activityandwindowmanager/activitymanager/app/src/android/server/cts/AbstractLifecycleLogActivity.java

/*
 * Copyright (C) 2016 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 android.server.cts;

import android.app.Activity;
import android.content.res.Configuration;
import android.graphics.Point;
import android.os.Bundle;
import android.util.DisplayMetrics;
import android.util.Log;
import android.view.Display;
import android.view.WindowManager;

public abstract class AbstractLifecycleLogActivity extends Activity {

    /**
     * Used to check if we report same configurations in Activity#onMovedToDisplay and
     * Activity#onConfigurationChanged.
     */
    private Configuration mConfigFromMoveToDisplay;

    @Override
    protected void onCreate(Bundle icicle) {
        super.onCreate(icicle);
        Log.i(getTag(), "onCreate");
    }

    @Override
    protected void onResume() {
        super.onResume();
        Log.i(getTag(), "onResume");
    }

    @Override
    public void onConfigurationChanged(Configuration newConfig) {
        super.onConfigurationChanged(newConfig);
        Log.i(getTag(), "onConfigurationChanged");

        // If there was a move to different display - check that we're reporting same config here.
        if (mConfigFromMoveToDisplay != null) {
            if (!mConfigFromMoveToDisplay.equals(newConfig)) {
                throw new IllegalArgumentException(
                        "Configuration reported in onConfigurationChanged() differs from one"
                                + " reported in onMovedToDisplay()");
            }
            mConfigFromMoveToDisplay = null;
        }
    }

    @Override
    public void onMovedToDisplay(int displayId, Configuration config) {
        super.onMovedToDisplay(displayId, config);
        Log.i(getTag(), "onMovedToDisplay");
        mConfigFromMoveToDisplay = config;
    }

    @Override
    public void onMultiWindowModeChanged(boolean isInMultiWindowMode, Configuration newConfig) {
        super.onMultiWindowModeChanged(isInMultiWindowMode, newConfig);
        Log.i(getTag(), "onMultiWindowModeChanged");
    }

    @Override
    public void onPictureInPictureModeChanged(boolean isInPictureInPictureMode,
            Configuration newConfig) {
        super.onPictureInPictureModeChanged(isInPictureInPictureMode, newConfig);
        Log.i(getTag(), "onPictureInPictureModeChanged");
    }

    @Override
    protected void onPause() {
        super.onPause();
        Log.i(getTag(), "onPause");
    }

    @Override
    protected void onStop() {
        super.onStop();
        Log.i(getTag(), "onStop");
    }

    @Override
    protected void onDestroy() {
        super.onDestroy();
        Log.i(getTag(), "onDestroy");
    }

    protected abstract String getTag();

    protected void dumpDisplaySize(Configuration config) {
        // Dump the display size as seen by this Activity.
        final WindowManager wm = getSystemService(WindowManager.class);
        final Display display = wm.getDefaultDisplay();
        final Point point = new Point();
        display.getSize(point);
        final DisplayMetrics metrics = getResources().getDisplayMetrics();

        final String line = "config" +
                " size=" + buildCoordString(config.screenWidthDp, config.screenHeightDp) +
                " displaySize=" + buildCoordString(point.x, point.y) +
                " metricsSize=" + buildCoordString(metrics.widthPixels, metrics.heightPixels) +
                " smallestScreenWidth=" + config.smallestScreenWidthDp +
                " densityDpi=" + config.densityDpi;

        Log.i(getTag(), line);
    }

    protected static String buildCoordString(int x, int y) {
        return "(" + x + "," + y + ")";
    }
}