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/*
* Copyright (C) 2019 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 simpleperf.demo.java_api;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.widget.TextView;
import com.android.simpleperf.ProfileSession;
import com.android.simpleperf.RecordOptions;
public class MainActivity extends AppCompatActivity {
TextView textView;
static boolean threadsStarted = false;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
textView = (TextView) findViewById(R.id.textView);
if (!threadsStarted) {
threadsStarted = true;
Thread profileThread = createProfileThread();
createBusyThread(profileThread);
}
}
Thread createProfileThread() {
Thread thread = new Thread(new Runnable() {
@Override
public void run() {
RecordOptions recordOptions = new RecordOptions();
recordOptions.recordDwarfCallGraph().setDuration(100);
ProfileSession profileSession = new ProfileSession();
try {
Log.e("simpleperf", "startRecording");
profileSession.startRecording(recordOptions);
for (int i = 0; i < 3; i++) {
Thread.sleep(1000);
Log.e("simpleperf", "pauseRecording");
profileSession.pauseRecording();
Thread.sleep(1000);
Log.e("simpleperf", "resumeRecording");
profileSession.resumeRecording();
}
Thread.sleep(1000);
Log.e("simpleperf", "stopRecording");
profileSession.stopRecording();
Log.e("simpleperf", "stopRecording successfully");
} catch (Exception e) {
Log.e("simpleperf", "exception: " + e.getMessage());
}
}
}, "ProfileThread");
thread.start();
return thread;
}
void createBusyThread(final Thread profileThread) {
new Thread(new Runnable() {
volatile int i = 0;
@Override
public void run() {
long times = 0;
while (profileThread.isAlive()) {
for (int i = 0; i < 1000000;) {
i = callFunction(i);
}
try {
Thread.sleep(1);
} catch (InterruptedException e) {
}
times++;
final long count = times;
runOnUiThread(new Runnable() {
@Override
public void run() {
textView.setText("count: " + count);
}
});
}
}
private int callFunction(int a) {
return a + 1;
}
}, "BusyThread").start();
}
}
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