Probe
Dissect layout traversals on Android.
Features
- Intercept
Viewmethods.onMeasure(int, int)onLayout(boolean, int, int, int, int)draw(Canvas)andonDraw(Canvas)requestLayout()
- Override any of these methods on-the-fly.
- Layout debugging:
OvermeasureInterceptor: Tints views according to the number of times they got measured in a single traversal.LayoutBoundsInterceptor: Equivalent to Android's "Show layout bounds" developer option. The main difference being that you can show bounds only for specific views.
Usage
- Add buildscript dependency:
buildscript {
...
dependencies {
...
classpath 'org.lucasr.probe:gradle-plugin:0.1.3'
}
}
- Apply the plugin to your app’s
build.gradle:
apply plugin: 'org.lucasr.probe'
- Enable Probe on a build variant:
probe {
buildVariants {
debug {
enabled = true
}
}
}
- Implement an
Interceptor:
public class DrawGreen extends Interceptor {
private final Paint mPaint;
public DrawGreen() {
mPaint = new Paint();
mPaint.setColor(Color.GREEN);
}
@Override
public void onDraw(View view, Canvas canvas) {
canvas.drawPaint(mPaint);
}
}
- Deploy your
Interceptorwith an (optional)Filter:
public final class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
Probe.deploy(this, new DrawGreen(), new Filter.ViewId(R.id.view2));
super.onCreate(savedInstanceState);
setContentView(R.id.main_activity);
}
}
Download
Download the latest JAR or grab via Gradle:
compile 'org.lucasr.probe:probe:0.1.3'
or Maven:
<dependency>
<groupId>org.lucasr.probe</groupId>
<artifactId>probe</artifactId>
<version>0.1.3</version>
</dependency>
License
Copyright 2014 Lucas Rocha
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.
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