Application description

Display Tester: Test Your Device's Screen DisplayTester empowers you to thoroughly test nearly every aspect of your device's LCD or OLED screen. You can even utilize Google Cast to evaluate the display quality of your TV. Designed for comprehensive testing, DisplayTester ensures full-screen coverage even on devices with soft keys, seamlessly hiding them on ICS and later, or employing immersive mode in KitKat and beyond.

Free Features:

Dead Pixel Test: Pinpoint "dead pixels" by displaying a sequence of solid background color pages.
Color Tests: Assess contrast, gradient (banding), and saturation with dedicated tests.
Gamma Calibration Tests: Fine-tune your display with grayscale, red, green, and blue adjustments.
Viewing Angle Tests: (Ineffective for OLED displays).
Multi-touch Test: Validate the responsiveness of your touchscreen.
Display Performance Tests: Evaluate the overall performance of your display.
Repair Burn-In: Mitigate screen burn-in issues with scrolling black and white bars.
Display Measurement Info: Access screen size, GPU type, DPI, density-independent pixel size, OpenGL 1.x information, and pixel format.
Real-World Pictures: Use reference images for comparison and visual assessment.
4-Color Gradient Test (With Orientation Change Correction): (Android 2.2 and later).

Pro Features:

No Splash Screen: Enjoy a streamlined user experience without a splash screen.
Full Google Cast Support: Leverage the power of Google Cast for comprehensive display testing.
Repair Burn-In (Noise): (White, black and white, red, green, blue) => Android 2.2 and later only!
Pixel Format & Dithering Tests: Analyze the pixel format and dithering properties of your display.
Built-in Font Styles Test: Evaluate the clarity and legibility of various font styles.
Manually DPI Measurement: Obtain accurate DPI measurements for your display.
Color Charts: Utilize comprehensive color charts for precise display assessment.
Touch Screen Dead Spot Tester: Identify any unresponsive areas on your touchscreen.
System Fonts Tester: Test the rendering of system fonts for optimal visual fidelity.
DIP / PX Calculator: Convert between DIP and PX units for development purposes.

Hiding Soft Keys in ICS/Honeycomb/JellyBean:

Use the preferences menu option or simply long-press on the display during an active test.

Gestures:

Swipe Left/Right: Change the test image.
Swipe Up/Down: Adjust brightness levels.
Long Press: Toggle between full-screen and normal screen modes (Android 3.0 and later).
Double Tap: Show/hide the test-specific settings dialogue (if available).

Note: When soft keys are hidden, navigating to the next screen requires a quick tap to reveal the buttons followed by a swift swipe to advance before they disappear again.

What's New:

New:

Redesigned App: Enjoy a fresh and intuitive user interface.
All Developer Tools are Free: All developer tools are now available for free!
List Drawables Test Added: This test is now included in the developer tools section.
Adaptive Icon for Oreo: The app now features an adaptive icon for Oreo devices.

Changes:

Circular Legacy Icon (Pre-Oreo): A circular legacy icon is used for pre-Oreo devices.
DIP / PX Calculator Enhanced: The DIP/PX calculator has been improved for greater accuracy and functionality.
Latest Google Libraries Used: The app utilizes the latest Google libraries for optimal performance and stability.
Bug Fixes and Optimizations: Includes bug fixes and optimizations for a smoother and more reliable experience.

Google