Resolution Changer works by using a hidden Android API called IWindowManager. Originally, Google restricted access to this API starting with Android Pie, however, they allowed developers to disable the API blacklist by tweaking a Secure Setting.
Resolution Changer first unlocks the blacklisted APIs, and then applies the requested resolution and display density.
If you do not specify a height or width, Resolution Changer will simply use the resolution that is currently set by the device.
If you do not specify a density, Resolution Changer will try to calculate a suitable density based on the diagonal screen size of the device.
WARNING:
If you specify a broken resolution and are unable to fix it, follow these steps:
1. Connect device to PC
2. Open CMD or Terminal (depending on OS)
3. Type these commands:
adb shell wm size reset
adb shell wm density reset
Resolution Changer first unlocks the blacklisted APIs, and then applies the requested resolution and display density.
If you do not specify a height or width, Resolution Changer will simply use the resolution that is currently set by the device.
If you do not specify a density, Resolution Changer will try to calculate a suitable density based on the diagonal screen size of the device.
WARNING:
If you specify a broken resolution and are unable to fix it, follow these steps:
1. Connect device to PC
2. Open CMD or Terminal (depending on OS)
3. Type these commands:
adb shell wm size reset
adb shell wm density reset
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