Java tutorial
/* * Copyright (C) 2012 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.cts.uiautomator; import android.app.AlertDialog; import android.os.Bundle; import android.support.v4.app.Fragment; import android.view.LayoutInflater; import android.view.MotionEvent; import android.view.View; import android.view.ViewGroup; import android.widget.Button; import android.widget.CheckBox; import android.widget.ImageButton; import android.widget.SeekBar; import android.widget.Spinner; public class Test5DetailFragment extends Fragment { public static final String ARG_ITEM_ID = "item_id"; class PointerEvent { int startX; int startY; int endX; int endY; } private final PointerEvent mPointerEvent = new PointerEvent(); public Test5DetailFragment() { } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedState) { View rootView = inflater.inflate(R.layout.test5_detail_fragment, container, false); // Set the content description for the following Spinner spinner = (Spinner) rootView.findViewById(R.id.test_5_spinner); spinner.setContentDescription("Spinner"); ImageButton imageButton = (ImageButton) rootView.findViewById(R.id.test_5_imageButton); imageButton.setContentDescription("Image button"); // Each time this view is displayed, reset the following states SeekBar seekBar = (SeekBar) rootView.findViewById(R.id.test_5_seekBar); seekBar.setProgress(50); seekBar.setContentDescription("Progress is 50 %"); CheckBox checkbox = (CheckBox) rootView.findViewById(R.id.test_5_checkBox); checkbox.setChecked(false); // Register click event handlers for the following Button button = (Button) rootView.findViewById(R.id.test_5_button1); button.setOnClickListener(new Button.OnClickListener() { @Override public void onClick(View v) { // we want an artificial crash throw new RuntimeException("Artificial crash to test UiWatcher"); } }); imageButton.setOnTouchListener(new ImageButton.OnTouchListener() { @Override public boolean onTouch(View v, MotionEvent event) { if (event.getAction() == MotionEvent.ACTION_DOWN) { resetTouchResults(); collectStartAction(event, v); } else if (event.getAction() == MotionEvent.ACTION_UP) { collectEndAction(event, v); displayTouchResults(); } return false; } }); return rootView; } private void displayTouchResults() { StringBuilder output = new StringBuilder(); output.append(String.format("%d,%d:%d,%d\n", mPointerEvent.startX, mPointerEvent.startY, mPointerEvent.endX, mPointerEvent.endY)); // display the submitted text AlertDialog.Builder builder = new AlertDialog.Builder(getActivity()); builder.setTitle(R.string.drag_item_touch_dialog_title); builder.setPositiveButton(R.string.OK, null); builder.setMessage(output.toString()); AlertDialog diag = builder.create(); diag.show(); } /** * Clears all collected pointer results */ private void resetTouchResults() { mPointerEvent.startX = mPointerEvent.startY = mPointerEvent.endX = mPointerEvent.endY = -1; } /** * Collects pointer touch information converting from relative to absolute before * storing it as starting touch coordinates. * * @param event * @param view * @param pointerIndex */ private void collectStartAction(MotionEvent event, View view) { int offsetInScreen[] = new int[2]; view.getLocationOnScreen(offsetInScreen); mPointerEvent.startX = (int) (event.getX() + offsetInScreen[0]); mPointerEvent.startY = (int) (event.getY() + offsetInScreen[1]); } /** * Collects pointer touch information converting from relative to absolute before * storing it as ending touch coordinates. * * @param event * @param view * @param pointerIndex */ private void collectEndAction(MotionEvent event, View view) { int offsetInScreen[] = new int[2]; view.getLocationOnScreen(offsetInScreen); mPointerEvent.endX = (int) (event.getX() + offsetInScreen[0]); mPointerEvent.endY = (int) (event.getY() + offsetInScreen[1]); } }