Android examples for User Interface:ViewGroup
Scroll a ViewGroup to the bottom by repeatedly calling #dragQuarterScreenUp(InstrumentationTestCase,Activity)
/*//from w w w .j a v a 2 s . co m * Copyright (C) 2007 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. */ import android.app.Activity; import android.app.Instrumentation; import android.graphics.Point; import android.os.SystemClock; import android.view.Display; import android.view.Gravity; import android.view.MotionEvent; import android.view.View; import android.view.ViewConfiguration; import android.view.ViewGroup; public class Main{ /** * Scroll a ViewGroup to the bottom by repeatedly calling * {@link #dragQuarterScreenUp(InstrumentationTestCase, Activity)} * * @param test The test case that is being run * @param v The ViewGroup that should be dragged * * @deprecated {@link android.test.ActivityInstrumentationTestCase} is deprecated in favor of * {@link android.test.ActivityInstrumentationTestCase2}, which provides more options for * configuring the Activity under test */ @Deprecated public static void scrollToBottom(ActivityInstrumentationTestCase test, ViewGroup v) { scrollToBottom(test, test.getActivity(), v); } /** * Scroll a ViewGroup to the bottom by repeatedly calling * {@link #dragQuarterScreenUp(InstrumentationTestCase, Activity)} * * @param test The test case that is being run * @param activity The activity that is in the foreground of the test case * @param v The ViewGroup that should be dragged */ public static void scrollToBottom(InstrumentationTestCase test, Activity activity, ViewGroup v) { ViewStateSnapshot prev; ViewStateSnapshot next = new ViewStateSnapshot(v); do { prev = next; TouchUtils.dragQuarterScreenUp(test, activity); next = new ViewStateSnapshot(v); } while (!prev.equals(next)); } /** * Simulate touching in the center of the screen and dragging one quarter of the way up * @param test The test case that is being run * * @deprecated {@link android.test.ActivityInstrumentationTestCase} is deprecated in favor of * {@link android.test.ActivityInstrumentationTestCase2}, which provides more options for * configuring the Activity under test */ @Deprecated public static void dragQuarterScreenUp( ActivityInstrumentationTestCase test) { dragQuarterScreenUp(test, test.getActivity()); } /** * Simulate touching in the center of the screen and dragging one quarter of the way up * @param test The test case that is being run * @param activity The activity that is in the foreground of the test case */ public static void dragQuarterScreenUp(InstrumentationTestCase test, Activity activity) { Display display = activity.getWindowManager().getDefaultDisplay(); final Point size = new Point(); display.getSize(size); final float x = size.x / 2.0f; final float fromY = size.y * 0.5f; final float toY = size.y * 0.25f; drag(test, x, x, fromY, toY, 4); } /** * Simulate touching a specific location and dragging to a new location. * * @param test The test case that is being run * @param fromX X coordinate of the initial touch, in screen coordinates * @param toX Xcoordinate of the drag destination, in screen coordinates * @param fromY X coordinate of the initial touch, in screen coordinates * @param toY Y coordinate of the drag destination, in screen coordinates * @param stepCount How many move steps to include in the drag * * @deprecated {@link android.test.ActivityInstrumentationTestCase} is deprecated in favor of * {@link android.test.ActivityInstrumentationTestCase2}, which provides more options for * configuring the Activity under test */ @Deprecated public static void drag(ActivityInstrumentationTestCase test, float fromX, float toX, float fromY, float toY, int stepCount) { drag((InstrumentationTestCase) test, fromX, toX, fromY, toY, stepCount); } /** * Simulate touching a specific location and dragging to a new location. * * @param test The test case that is being run * @param fromX X coordinate of the initial touch, in screen coordinates * @param toX Xcoordinate of the drag destination, in screen coordinates * @param fromY X coordinate of the initial touch, in screen coordinates * @param toY Y coordinate of the drag destination, in screen coordinates * @param stepCount How many move steps to include in the drag */ public static void drag(InstrumentationTestCase test, float fromX, float toX, float fromY, float toY, int stepCount) { Instrumentation inst = test.getInstrumentation(); long downTime = SystemClock.uptimeMillis(); long eventTime = SystemClock.uptimeMillis(); float y = fromY; float x = fromX; float yStep = (toY - fromY) / stepCount; float xStep = (toX - fromX) / stepCount; MotionEvent event = MotionEvent.obtain(downTime, eventTime, MotionEvent.ACTION_DOWN, x, y, 0); inst.sendPointerSync(event); for (int i = 0; i < stepCount; ++i) { y += yStep; x += xStep; eventTime = SystemClock.uptimeMillis(); event = MotionEvent.obtain(downTime, eventTime, MotionEvent.ACTION_MOVE, x, y, 0); inst.sendPointerSync(event); } eventTime = SystemClock.uptimeMillis(); event = MotionEvent.obtain(downTime, eventTime, MotionEvent.ACTION_UP, x, y, 0); inst.sendPointerSync(event); inst.waitForIdleSync(); } }