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This reverts commit 587fdec0.

Prevents:
   > A failure occurred while executing com.android.build.gradle.internal.tasks.Workers$ActionFacade
      > AAPT2 aapt2-4.1.1-xxx-xxx Daemon #x: Unexpected error during compile 'xxx/xxx.png', attempting to stop daemon.
        This should not happen under normal circumstances, please file an issue if it does.

Some posts mention that issue is only with AMD processors.

Note WindowManager#getDefaultDisplay() and Display#getMetrics(DisplayMetrics) are deprecated in API level 30.

This reverts commit 78076250.

There is no need to change API as DisplayMetrics is not deprecated.

This reverts commit ebb602a5.

There is no need to change API as DisplayMetrics is not deprecated.

Resources yes/no were deprecated in API level 30 as they incorrectly match ok/cancel.

Adds toChars(...) Character compatibility method.

Fixes #25 "emulator crashes when attempting to wrap a line with smileys".

Move private static final variables to beginning of class declaration(java code style).
In addition reformat some comments.

Restrictions are applicable only if cursor is in scroll region.

mostly space around arithmetic operation and move break to local statement

Also correct expected result after L2 output in cursor-up tests.

Prevents lost of "state" when activity is reinstated.
Side effect is postponed initialisation of key listener - requires some parameters to be cached in emulator view.

Resolves issue #24 - cursor keys in "application mode".

Related to #24.