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/*
* Copyright (C) 2015 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.test.uibench;
import android.app.Instrumentation;
import android.os.Bundle;
import android.os.Looper;
import android.os.MessageQueue;
import android.support.v7.app.AppCompatActivity;
import android.view.KeyEvent;
import android.widget.EditText;
import java.util.concurrent.Semaphore;
/**
* Note: currently incomplete, complexity of input continuously grows, instead of looping
* over a stable amount of work.
*
* Simulates typing continuously into an EditText.
*/
public class EditTextTypeActivity extends AppCompatActivity {
Thread mThread;
private static String sSeedText = "";
static {
final int count = 100;
final String string = "hello ";
StringBuilder builder = new StringBuilder(count * string.length());
for (int i = 0; i < count; i++) {
builder.append(string);
}
sSeedText = builder.toString();
}
final Object mLock = new Object();
boolean mShouldStop = false;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
EditText editText = new EditText(this);
editText.setText(sSeedText);
setContentView(editText);
final Instrumentation instrumentation = new Instrumentation();
final Semaphore sem = new Semaphore(0);
MessageQueue.IdleHandler handler = new MessageQueue.IdleHandler() {
@Override
public boolean queueIdle() {
// TODO: consider other signaling approaches
sem.release();
return true;
}
};
Looper.myQueue().addIdleHandler(handler);
synchronized (mLock) {
mShouldStop = false;
}
mThread = new Thread(new Runnable() {
int codes[] = { KeyEvent.KEYCODE_H, KeyEvent.KEYCODE_E, KeyEvent.KEYCODE_L,
KeyEvent.KEYCODE_L, KeyEvent.KEYCODE_O, KeyEvent.KEYCODE_SPACE };
int i = 0;
@Override
public void run() {
while (true) {
try {
sem.acquire();
} catch (InterruptedException e) {
// TODO, maybe
}
int code = codes[i % codes.length];
if (i % 100 == 99) code = KeyEvent.KEYCODE_ENTER;
synchronized (mLock) {
if (mShouldStop) break;
}
// TODO: bit of a race here, since the event can arrive after pause/stop.
// (Can't synchronize on key send, since it's synchronous.)
instrumentation.sendKeyDownUpSync(code);
i++;
}
}
});
mThread.start();
}
@Override
protected void onPause() {
synchronized (mLock) {
mShouldStop = true;
}
super.onPause();
}
}
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