Pixel grid overlays for debugging whether assets are drawing at their native resolution.
Use the "Magnification Zoom" setting under "Accessibility" to easily inspect the pixel grid on the device.
Watch example of zooming at runtime
Grab the JAR or add a dependency from Maven central:
dependencies {
debugCompile 'com.jakewharton.madge:madge:1.1.1'
}
Copyright 2013 Jake Wharton
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.