Fix screen flash when launching settings activity (4705c0fa) · Commits · e / os / android_packages_inputmethods_LatinIME

java/res/layout/setup_wizard.xml

+1 −0

Original line number	Diff line number	Diff line
		@@ -19,6 +19,7 @@
		-->

		<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
		android:id="@+id/setup_wizard"
		android:layout_width="match_parent"
		android:layout_height="match_parent"
		android:background="@color/setup_background"

java/src/com/android/inputmethod/latin/setup/SetupWizardActivity.java

+16 −10

Original line number	Diff line number	Diff line
		@@ -46,6 +46,7 @@ import java.util.ArrayList;
		public final class SetupWizardActivity extends Activity implements View.OnClickListener {
		static final String TAG = SetupWizardActivity.class.getSimpleName();

		private View mSetupWizard;
		private View mWelcomeScreen;
		private View mSetupScreen;
		private Uri mWelcomeVideoUri;
		@@ -64,7 +65,7 @@ public final class SetupWizardActivity extends Activity implements View.OnClickL
		private static final int STEP_LAUNCHING_IME_SETTINGS = 4;
		private static final int STEP_BACK_FROM_IME_SETTINGS = 5;

		private final SettingsPoolingHandler mHandler = new SettingsPoolingHandler(this);
		final SettingsPoolingHandler mHandler = new SettingsPoolingHandler(this);

		static final class SettingsPoolingHandler
		extends StaticInnerHandlerWrapper<SetupWizardActivity> {
		@@ -104,10 +105,11 @@ public final class SetupWizardActivity extends Activity implements View.OnClickL

		@Override
		protected void onCreate(final Bundle savedInstanceState) {
		setTheme(android.R.style.Theme_DeviceDefault_Light_NoActionBar);
		setTheme(android.R.style.Theme_Translucent_NoTitleBar);
		super.onCreate(savedInstanceState);

		setContentView(R.layout.setup_wizard);
		mSetupWizard = findViewById(R.id.setup_wizard);

		RichInputMethodManager.init(this);

		@@ -179,27 +181,28 @@ public final class SetupWizardActivity extends Activity implements View.OnClickL
		.authority(getPackageName())
		.path(Integer.toString(R.raw.setup_welcome_video))
		.build();
		mWelcomeVideoView = (VideoView)findViewById(R.id.setup_welcome_video);
		mWelcomeVideoView.setOnPreparedListener(new MediaPlayer.OnPreparedListener() {
		final VideoView welcomeVideoView = (VideoView)findViewById(R.id.setup_welcome_video);
		welcomeVideoView.setOnPreparedListener(new MediaPlayer.OnPreparedListener() {
		@Override
		public void onPrepared(final MediaPlayer mp) {
		// Now VideoView has been laid-out and ready to play, remove background of it to
		// reveal the video.
		mWelcomeVideoView.setBackgroundResource(0);
		welcomeVideoView.setBackgroundResource(0);
		mp.setLooping(true);
		}
		});
		final ImageView welcomeImageView = (ImageView)findViewById(R.id.setup_welcome_image);
		mWelcomeVideoView.setOnErrorListener(new MediaPlayer.OnErrorListener() {
		welcomeVideoView.setOnErrorListener(new MediaPlayer.OnErrorListener() {
		@Override
		public boolean onError(final MediaPlayer mp, final int what, final int extra) {
		Log.e(TAG, "Playing welcome video causes error: what=" + what + " extra=" + extra);
		mWelcomeVideoView.setVisibility(View.GONE);
		welcomeVideoView.setVisibility(View.GONE);
		welcomeImageView.setImageResource(R.raw.setup_welcome_image);
		welcomeImageView.setVisibility(View.VISIBLE);
		return true;
		}
		});
		mWelcomeVideoView = welcomeVideoView;

		mActionStart = findViewById(R.id.setup_start_label);
		mActionStart.setOnClickListener(this);
		@@ -234,7 +237,7 @@ public final class SetupWizardActivity extends Activity implements View.OnClickL
		}
		}

		private void invokeSetupWizardOfThisIme() {
		void invokeSetupWizardOfThisIme() {
		final Intent intent = new Intent();
		intent.setClass(this, SetupWizardActivity.class);
		intent.setFlags(Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED
		@@ -251,14 +254,14 @@ public final class SetupWizardActivity extends Activity implements View.OnClickL
		startActivity(intent);
		}

		private void invokeLanguageAndInputSettings() {
		void invokeLanguageAndInputSettings() {
		final Intent intent = new Intent();
		intent.setAction(Settings.ACTION_INPUT_METHOD_SETTINGS);
		intent.addCategory(Intent.CATEGORY_DEFAULT);
		startActivity(intent);
		}

		private void invokeSubtypeEnablerOfThisIme() {
		void invokeSubtypeEnablerOfThisIme() {
		final InputMethodInfo imi =
		RichInputMethodManager.getInstance().getInputMethodInfoOfThisIme();
		final Intent intent = new Intent();
		@@ -318,6 +321,8 @@ public final class SetupWizardActivity extends Activity implements View.OnClickL
		protected void onResume() {
		super.onResume();
		if (mStepNumber == STEP_LAUNCHING_IME_SETTINGS) {
		// Prevent white screen flashing while launching settings activity.
		mSetupWizard.setVisibility(View.INVISIBLE);
		invokeSettingsOfThisIme();
		mStepNumber = STEP_BACK_FROM_IME_SETTINGS;
		return;
		@@ -360,6 +365,7 @@ public final class SetupWizardActivity extends Activity implements View.OnClickL
		}

		private void updateSetupStepView() {
		mSetupWizard.setVisibility(View.VISIBLE);
		final boolean welcomeScreen = (mStepNumber == STEP_WELCOME);
		mWelcomeScreen.setVisibility(welcomeScreen ? View.VISIBLE : View.GONE);
		mSetupScreen.setVisibility(welcomeScreen ? View.GONE : View.VISIBLE);