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Fix screen flash when launching settings activity 

Bug: 8336068
Change-Id: I90a0f259129a3f3319b158b060154cc43960c234
main
Tadashi G. Takaoka 2013-05-09 13:14:18 +09:00
parent 2b5c9726f4
commit 4705c0fa7c
2 changed files with 17 additions and 10 deletions
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1
java/res/layout/setup_wizard.xml
View File

@ -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"

26
java/src/com/android/inputmethod/latin/setup/SetupWizardActivity.java
View File

@ -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);