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Work on issue #6475693 OnSystemUiVisibilityChangeListener reporting...

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...incorrect visibility when the ActionBar overflow menu is opened

Improve API demos.

Change-Id: I3e831152a0dbb56270a80cf58e9441b55059c884
This commit is contained in:
Dianne Hackborn
2012-05-10 15:26:52 -07:00
parent f6b7dd7e7d
commit f2bc2a024c
5 changed files with 126 additions and 56 deletions
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17
samples/ApiDemos/src/com/example/android/apis/view/ContentBrowserActivity.java
View File

@@ -26,14 +26,17 @@ import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
import android.util.AttributeSet;
import android.util.TypedValue;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.view.Window;
import android.widget.Button;
import android.widget.ScrollView;
import android.widget.SearchView;
import android.widget.SeekBar;
import android.widget.ShareActionProvider;
import android.widget.TextView;
import android.widget.Toast;
@@ -57,6 +60,8 @@ public class ContentBrowserActivity extends Activity
public static class Content extends ScrollView
implements View.OnSystemUiVisibilityChangeListener, View.OnClickListener {
TextView mText;
TextView mTitleView;
SeekBar mSeekView;
boolean mNavVisible;
int mBaseSystemUiVisibility = SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
| SYSTEM_UI_FLAG_LAYOUT_STABLE;
@@ -72,6 +77,7 @@ public class ContentBrowserActivity extends Activity
super(context, attrs);
mText = new TextView(context);
mText.setTextSize(TypedValue.COMPLEX_UNIT_DIP, 16);
mText.setText(context.getString(R.string.alert_dialog_two_buttons2ultra_msg));
mText.setClickable(false);
mText.setOnClickListener(this);
@@ -80,6 +86,13 @@ public class ContentBrowserActivity extends Activity
ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT));
setOnSystemUiVisibilityChangeListener(this);
}
public void init(TextView title, SeekBar seek) {
// This called by the containing activity to supply the surrounding
// state of the content browser that it will interact with.
mTitleView = title;
mSeekView = seek;
setNavVisibility(true);
}
@@ -139,6 +152,8 @@ public class ContentBrowserActivity extends Activity
// Set the new desired visibility.
setSystemUiVisibility(newVis);
mTitleView.setVisibility(visible ? VISIBLE : INVISIBLE);
mSeekView.setVisibility(visible ? VISIBLE : INVISIBLE);
}
}
//END_INCLUDE(content)
@@ -156,6 +171,8 @@ public class ContentBrowserActivity extends Activity
setContentView(R.layout.content_browser);
mContent = (Content)findViewById(R.id.content);
mContent.init((TextView)findViewById(R.id.title),
(SeekBar)findViewById(R.id.seekbar));
ActionBar bar = getActionBar();
bar.addTab(bar.newTab().setText("Tab 1").setTabListener(this));

104
samples/ApiDemos/src/com/example/android/apis/view/VideoPlayerActivity.java
View File

@@ -26,15 +26,16 @@ import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
import android.util.AttributeSet;
import android.util.Log;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.view.Window;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.ScrollView;
import android.widget.SearchView;
import android.widget.SeekBar;
import android.widget.ShareActionProvider;
import android.widget.TextView;
import android.widget.Toast;
@@ -58,11 +59,16 @@ public class VideoPlayerActivity extends Activity
*/
//BEGIN_INCLUDE(content)
public static class Content extends ImageView implements
View.OnSystemUiVisibilityChangeListener, View.OnClickListener {
TextView mText;
View.OnSystemUiVisibilityChangeListener, View.OnClickListener,
ActionBar.OnMenuVisibilityListener {
Activity mActivity;
TextView mTitleView;
Button mPlayButton;
SeekBar mSeekView;
boolean mAddedMenuListener;
boolean mMenusOpen;
boolean mPaused;
boolean mNavVisible;
int mBaseSystemUiVisibility = SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
| SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION | SYSTEM_UI_FLAG_LAYOUT_STABLE;
int mLastSystemUiVis;
Runnable mNavHider = new Runnable() {
@@ -75,17 +81,43 @@ public class VideoPlayerActivity extends Activity
super(context, attrs);
setOnSystemUiVisibilityChangeListener(this);
setOnClickListener(this);
setNavVisibility(true);
}
public void init(Activity activity, TextView title, Button playButton,
SeekBar seek) {
// This called by the containing activity to supply the surrounding
// state of the video player that it will interact with.
mActivity = activity;
mTitleView = title;
mPlayButton = playButton;
mSeekView = seek;
mPlayButton.setOnClickListener(this);
setPlayPaused(true);
}
@Override protected void onAttachedToWindow() {
super.onAttachedToWindow();
if (mActivity != null) {
mAddedMenuListener = true;
mActivity.getActionBar().addOnMenuVisibilityListener(this);
}
}
@Override protected void onDetachedFromWindow() {
super.onDetachedFromWindow();
if (mAddedMenuListener) {
mActivity.getActionBar().removeOnMenuVisibilityListener(this);
}
}
@Override public void onSystemUiVisibilityChange(int visibility) {
// Detect when we go out of low-profile mode, to also go out
// of full screen. We only do this when the low profile mode
// is changing from its last state, and turning off.
// Detect when we go out of nav-hidden mode, to clear our state
// back to having the full UI chrome up. Only do this when
// the state is changing and nav is no longer hidden.
int diff = mLastSystemUiVis ^ visibility;
mLastSystemUiVis = visibility;
if ((diff&SYSTEM_UI_FLAG_LOW_PROFILE) != 0
&& (visibility&SYSTEM_UI_FLAG_LOW_PROFILE) == 0) {
if ((diff&SYSTEM_UI_FLAG_HIDE_NAVIGATION) != 0
&& (visibility&SYSTEM_UI_FLAG_HIDE_NAVIGATION) == 0) {
setNavVisibility(true);
}
}
@@ -93,23 +125,35 @@ public class VideoPlayerActivity extends Activity
@Override protected void onWindowVisibilityChanged(int visibility) {
super.onWindowVisibilityChanged(visibility);
// When we become visible, we show our navigation elements briefly
// before hiding them.
setNavVisibility(true);
// When we become visible or invisible, play is paused.
setPlayPaused(true);
}
@Override public void onClick(View v) {
// When the user clicks, we make the navigation visible. In a real
// implementation, this would probably toggle between pause/play.
if (v == mPlayButton) {
// Clicking on the play/pause button toggles its state.
setPlayPaused(!mPaused);
} else {
// Clicking elsewhere makes the navigation visible.
setNavVisibility(true);
}
}
@Override public void onMenuVisibilityChanged(boolean isVisible) {
mMenusOpen = isVisible;
setNavVisibility(true);
}
void setBaseSystemUiVisibility(int visibility) {
mBaseSystemUiVisibility = visibility;
void setPlayPaused(boolean paused) {
mPaused = paused;
mPlayButton.setText(paused ? R.string.play : R.string.pause);
setNavVisibility(true);
}
void setNavVisibility(boolean visible) {
int newVis = mBaseSystemUiVisibility;
int newVis = SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
| SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
| SYSTEM_UI_FLAG_LAYOUT_STABLE;
if (!visible) {
newVis |= SYSTEM_UI_FLAG_LOW_PROFILE | SYSTEM_UI_FLAG_FULLSCREEN
| SYSTEM_UI_FLAG_HIDE_NAVIGATION;
@@ -120,12 +164,18 @@ public class VideoPlayerActivity extends Activity
Handler h = getHandler();
if (h != null) {
h.removeCallbacks(mNavHider);
h.postDelayed(mNavHider, 3000);
if (!mMenusOpen && !mPaused) {
// If the menus are open or play is paused, we will not auto-hide.
h.postDelayed(mNavHider, 3000);
}
}
}
// Set the new desired visibility.
setSystemUiVisibility(newVis);
mTitleView.setVisibility(visible ? VISIBLE : INVISIBLE);
mPlayButton.setVisibility(visible ? VISIBLE : INVISIBLE);
mSeekView.setVisibility(visible ? VISIBLE : INVISIBLE);
}
}
//END_INCLUDE(content)
@@ -143,6 +193,9 @@ public class VideoPlayerActivity extends Activity
setContentView(R.layout.video_player);
mContent = (Content)findViewById(R.id.content);
mContent.init(this, (TextView)findViewById(R.id.title),
(Button)findViewById(R.id.play),
(SeekBar)findViewById(R.id.seekbar));
ActionBar bar = getActionBar();
bar.addTab(bar.newTab().setText("Tab 1").setTabListener(this));
@@ -198,15 +251,6 @@ public class VideoPlayerActivity extends Activity
getActionBar().setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
item.setChecked(true);
return true;
case R.id.stable_layout:
item.setChecked(!item.isChecked());
mContent.setBaseSystemUiVisibility(item.isChecked()
? View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
| View.SYSTEM_UI_FLAG_LAYOUT_STABLE
| View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
: View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
| View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION);
return true;
}
return false;
}