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am bb08b33a: Merge "Expand Presentation demo to test 4K mode switches." into mnc-dev

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* commit 'bb08b33aefdc24d0bda4b1dd125bf0d7c3896035':
  Expand Presentation demo to test 4K mode switches.
This commit is contained in:
Jeff Brown
2015-06-10 19:28:28 +00:00
committed by Android Git Automerger
parent f897e623ee bb08b33aef
commit db47db1d0d
2 changed files with 137 additions and 43 deletions
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12
samples/ApiDemos/res/layout/presentation_list_item.xml
View File

@@ -17,7 +17,11 @@
<!-- The content that we show on secondary displays.
See corresponding Java code PresentationActivity.java. -->
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="horizontal">
@@ -44,5 +48,9 @@
android:layout_centerVertical="true"
android:textAppearance="?android:attr/textAppearanceMedium"
android:text="@string/presentation_info_text"/>
</RelativeLayout>
</RelativeLayout>
<Spinner android:id="@+id/modes"
android:layout_width="match_parent"
android:layout_height="wrap_content" />
</LinearLayout>

126
samples/ApiDemos/src/com/example/android/apis/app/PresentationActivity.java
View File

@@ -39,13 +39,17 @@ import android.view.Display;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.view.WindowManager;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.CompoundButton.OnCheckedChangeListener;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemSelectedListener;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.Spinner;
import android.widget.TextView;
//BEGIN_INCLUDE(activity)
@@ -74,7 +78,7 @@ import android.widget.TextView;
* </p>
*/
public class PresentationActivity extends Activity
implements OnCheckedChangeListener, OnClickListener {
implements OnCheckedChangeListener, OnClickListener, OnItemSelectedListener {
private final String TAG = "PresentationActivity";
// Key for storing saved instance state.
@@ -97,7 +101,7 @@ public class PresentationActivity extends Activity
// List of presentation contents indexed by displayId.
// This state persists so that we can restore the old presentation
// contents when the activity is paused or resumed.
private SparseArray<PresentationContents> mSavedPresentationContents;
private SparseArray<DemoPresentationContents> mSavedPresentationContents;
// List of all currently visible presentations indexed by display id.
private final SparseArray<DemoPresentation> mActivePresentations =
@@ -118,7 +122,7 @@ public class PresentationActivity extends Activity
mSavedPresentationContents =
savedInstanceState.getSparseParcelableArray(PRESENTATION_KEY);
} else {
mSavedPresentationContents = new SparseArray<PresentationContents>();
mSavedPresentationContents = new SparseArray<DemoPresentationContents>();
}
// Get the display manager service.
@@ -151,7 +155,7 @@ public class PresentationActivity extends Activity
final int numDisplays = mDisplayListAdapter.getCount();
for (int i = 0; i < numDisplays; i++) {
final Display display = mDisplayListAdapter.getItem(i);
final PresentationContents contents =
final DemoPresentationContents contents =
mSavedPresentationContents.get(display.getDisplayId());
if (contents != null) {
showPresentation(display, contents);
@@ -192,7 +196,7 @@ public class PresentationActivity extends Activity
/**
* Shows a {@link Presentation} on the specified display.
*/
private void showPresentation(Display display, PresentationContents contents) {
private void showPresentation(Display display, DemoPresentationContents contents) {
final int displayId = display.getDisplayId();
if (mActivePresentations.get(displayId) != null) {
return;
@@ -223,6 +227,20 @@ public class PresentationActivity extends Activity
mActivePresentations.delete(displayId);
}
/**
* Sets the display mode of the {@link Presentation} on the specified display
* if it is already shown.
*/
private void setPresentationDisplayMode(Display display, int displayModeId) {
final int displayId = display.getDisplayId();
DemoPresentation presentation = mActivePresentations.get(displayId);
if (presentation == null) {
return;
}
presentation.setPreferredDisplayMode(displayModeId);
}
private int getNextPhoto() {
final int photo = mNextImageNumber;
mNextImageNumber = (mNextImageNumber + 1) % PHOTOS.length;
@@ -242,11 +260,12 @@ public class PresentationActivity extends Activity
// Display item checkbox was toggled.
final Display display = (Display)buttonView.getTag();
if (isChecked) {
PresentationContents contents = new PresentationContents(getNextPhoto());
DemoPresentationContents contents = new DemoPresentationContents(getNextPhoto());
showPresentation(display, contents);
} else {
hidePresentation(display);
}
mDisplayListAdapter.updateContents();
}
}
@@ -275,6 +294,26 @@ public class PresentationActivity extends Activity
alert.show();
}
/**
* Called when a display mode has been selected.
*/
@Override
public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
final Display display = (Display)parent.getTag();
final Display.Mode[] modes = display.getSupportedModes();
setPresentationDisplayMode(display, position >= 1 && position <= modes.length ?
modes[position - 1].getModeId() : 0);
}
/**
* Called when a display mode has been unselected.
*/
@Override
public void onNothingSelected(AdapterView<?> parent) {
final Display display = (Display)parent.getTag();
setPresentationDisplayMode(display, 0);
}
/**
* Listens for displays to be added, changed or removed.
* We use it to update the list and show a new {@link Presentation} when a
@@ -345,11 +384,17 @@ public class PresentationActivity extends Activity
final Display display = getItem(position);
final int displayId = display.getDisplayId();
DemoPresentation presentation = mActivePresentations.get(displayId);
DemoPresentationContents contents = presentation != null ?
presentation.mContents : null;
if (contents == null) {
contents = mSavedPresentationContents.get(displayId);
}
CheckBox cb = (CheckBox)v.findViewById(R.id.checkbox_presentation);
cb.setTag(display);
cb.setOnCheckedChangeListener(PresentationActivity.this);
cb.setChecked(mActivePresentations.indexOfKey(displayId) >= 0
|| mSavedPresentationContents.indexOfKey(displayId) >= 0);
cb.setChecked(contents != null);
TextView tv = (TextView)v.findViewById(R.id.display_id);
tv.setText(v.getContext().getResources().getString(
@@ -359,6 +404,32 @@ public class PresentationActivity extends Activity
b.setTag(display);
b.setOnClickListener(PresentationActivity.this);
Spinner s = (Spinner)v.findViewById(R.id.modes);
Display.Mode[] modes = display.getSupportedModes();
if (contents == null || modes.length == 1) {
s.setVisibility(View.GONE);
s.setAdapter(null);
} else {
ArrayAdapter<String> modeAdapter = new ArrayAdapter<String>(mContext,
android.R.layout.simple_list_item_1);
s.setVisibility(View.VISIBLE);
s.setAdapter(modeAdapter);
s.setTag(display);
s.setOnItemSelectedListener(PresentationActivity.this);
modeAdapter.add("<default mode>");
for (Display.Mode mode : modes) {
modeAdapter.add(String.format("Mode %d: %dx%d/%.1ffps",
mode.getModeId(),
mode.getPhysicalWidth(), mode.getPhysicalHeight(),
mode.getRefreshRate()));
if (contents.displayModeId == mode.getModeId()) {
s.setSelection(modeAdapter.getCount() - 1);
}
}
}
return v;
}
@@ -394,13 +465,25 @@ public class PresentationActivity extends Activity
*/
private final class DemoPresentation extends Presentation {
final PresentationContents mContents;
final DemoPresentationContents mContents;
public DemoPresentation(Context context, Display display, PresentationContents contents) {
public DemoPresentation(Context context, Display display,
DemoPresentationContents contents) {
super(context, display);
mContents = contents;
}
/**
* Sets the preferred display mode id for the presentation.
*/
public void setPreferredDisplayMode(int modeId) {
mContents.displayModeId = modeId;
WindowManager.LayoutParams params = getWindow().getAttributes();
params.preferredDisplayModeId = modeId;
getWindow().setAttributes(params);
}
@Override
protected void onCreate(Bundle savedInstanceState) {
// Be sure to call the super class.
@@ -440,35 +523,37 @@ public class PresentationActivity extends Activity
}
/**
* Information about the content we want to show in a presentation.
* Information about the content we want to show in the presentation.
*/
private final static class PresentationContents implements Parcelable {
private final static class DemoPresentationContents implements Parcelable {
final int photo;
final int[] colors;
int displayModeId;
public static final Creator<PresentationContents> CREATOR =
new Creator<PresentationContents>() {
public static final Creator<DemoPresentationContents> CREATOR =
new Creator<DemoPresentationContents>() {
@Override
public PresentationContents createFromParcel(Parcel in) {
return new PresentationContents(in);
public DemoPresentationContents createFromParcel(Parcel in) {
return new DemoPresentationContents(in);
}
@Override
public PresentationContents[] newArray(int size) {
return new PresentationContents[size];
public DemoPresentationContents[] newArray(int size) {
return new DemoPresentationContents[size];
}
};
public PresentationContents(int photo) {
public DemoPresentationContents(int photo) {
this.photo = photo;
colors = new int[] {
((int) (Math.random() * Integer.MAX_VALUE)) | 0xFF000000,
((int) (Math.random() * Integer.MAX_VALUE)) | 0xFF000000 };
}
private PresentationContents(Parcel in) {
private DemoPresentationContents(Parcel in) {
photo = in.readInt();
colors = new int[] { in.readInt(), in.readInt() };
displayModeId = in.readInt();
}
@Override
@@ -481,6 +566,7 @@ public class PresentationActivity extends Activity
dest.writeInt(photo);
dest.writeInt(colors[0]);
dest.writeInt(colors[1]);
dest.writeInt(displayModeId);
}
}
}