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Demonstration of the various fullscreen modes:

Browse Source 
FLAG_FULLSCREEN,
  SYSTEM_UI_FLAG_LOW_PROFILE,
  SYSTEM_UI_FLAG_HIDE_NAVIGATION.

Bug: 5052456
Change-Id: I3c23caa83a66b585ae1102e3d473f6e4f096840d
This commit is contained in:
Daniel Sandler
2011-08-04 13:14:01 -04:00
parent 093099438e
commit 173fb98b2d
4 changed files with 271 additions and 0 deletions
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7
samples/ApiDemos/AndroidManifest.xml
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@@ -2083,6 +2083,13 @@
</intent-filter> </intent-filter>
</activity> </activity>
<activity android:name=".view.OverscanActivity" android:label="Views/Full Screen Modes">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.SAMPLE_CODE" />
</intent-filter>
</activity>
<!-- ************************************* --> <!-- ************************************* -->
<!-- GRAPHICS SAMPLES --> <!-- GRAPHICS SAMPLES -->
<!-- ************************************* --> <!-- ************************************* -->

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samples/ApiDemos/res/drawable-nodpi/frantic.jpg Normal file
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79
samples/ApiDemos/res/layout/overscan.xml Normal file
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@@ -0,0 +1,79 @@
<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright (C) 2011 The Android Open Source Project
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent" android:layout_height="match_parent"
>
<view class="com.example.android.apis.view.OverscanActivity$IV"
android:id="@+id/image"
android:src="@drawable/frantic"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:scaleType="center"
/>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="25dp"
android:layout_marginRight="25dp"
android:layout_marginBottom="25dp"
android:layout_gravity="bottom|center"
android:background="#60000000"
android:padding="8dp"
android:orientation="horizontal"
>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:orientation="vertical"
>
<TextView
android:id="@+id/text1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textColor="#FFFFFFFF"
android:textSize="16dp"
android:textStyle="bold"
android:gravity="left"
/>
<TextView
android:id="@+id/text2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textColor="#FFFFFFFF"
android:textSize="11dp"
android:textStyle="bold"
android:gravity="left"
/>
</LinearLayout>
<TextView
android:id="@+id/switchy"
android:background="#C0000000"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="bottom"
android:layout_marginTop="4dp"
android:padding="10dp"
android:textColor="#FFFFFFFF"
android:textSize="11dp"
android:textStyle="bold"
android:clickable="true"
android:onClick="clicked"
android:text="Switch"
/>
</LinearLayout>
</FrameLayout>

185
samples/ApiDemos/src/com/example/android/apis/view/OverscanActivity.java Normal file
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@@ -0,0 +1,185 @@
/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.example.android.apis.view;
import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.util.AttributeSet;
import android.util.DisplayMetrics;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.Window;
import android.view.WindowManager;
import android.widget.ImageView;
import android.widget.TextView;
import com.example.android.apis.R;
/**
* This activity demonstrates some of the available ways to reduce the size or visual contrast of
* the system decor, in order to better focus the user's attention or use available screen real
* estate on the task at hand.
*/
public class OverscanActivity extends Activity {
public static class IV extends ImageView {
private OverscanActivity mActivity;
public IV(Context context) {
super(context);
}
public IV(Context context, AttributeSet attrs) {
super(context, attrs);
}
public void setActivity(OverscanActivity act) {
mActivity = act;
}
public void onSizeChanged(int w, int h, int oldw, int oldh) {
mActivity.refreshSizes();
}
public void onSystemUiVisibilityChanged(int visibility) {
mActivity.getState().onSystemUiVisibilityChanged(visibility);
}
}
private interface State {
void apply();
State next();
void onSystemUiVisibilityChanged(int visibility);
}
private class NormalState implements State {
public void apply() {
display("Normal");
setFullscreen(false);
mImage.setSystemUiVisibility(View.SYSTEM_UI_FLAG_VISIBLE);
}
public State next() {
return new FullscreenState();
}
public void onSystemUiVisibilityChanged(int visibility) {
}
}
private class FullscreenState implements State {
public void apply() {
display("FULLSCREEN");
setFullscreen(true);
}
public State next() {
return new FullscreenLightsOutState();
}
public void onSystemUiVisibilityChanged(int visibility) {
}
}
private class FullscreenLightsOutState implements State {
public void apply() {
display("FULLSCREEN + LOW_PROFILE");
mImage.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LOW_PROFILE);
}
public State next() {
return new OverscanState();
}
public void onSystemUiVisibilityChanged(int visibility) {
}
}
private class OverscanState implements State {
public void apply() {
display("FULLSCREEN + LOW_PROFILE + HIDE_NAVIGATION");
mImage.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LOW_PROFILE
| View.SYSTEM_UI_FLAG_HIDE_NAVIGATION);
}
public State next() {
return new NormalState();
}
public void onSystemUiVisibilityChanged(int visibility) {
}
}
private void setFullscreen(boolean on) {
Window win = getWindow();
WindowManager.LayoutParams winParams = win.getAttributes();
final int bits = WindowManager.LayoutParams.FLAG_FULLSCREEN;
if (on) {
winParams.flags |= bits;
} else {
winParams.flags &= ~bits;
}
win.setAttributes(winParams);
}
private String getDisplaySize() {
DisplayMetrics dm = getResources().getDisplayMetrics();
return String.format("DisplayMetrics = (%d x %d)", dm.widthPixels, dm.heightPixels);
}
private String getViewSize() {
return String.format("View = (%d,%d - %d,%d)",
mImage.getLeft(), mImage.getTop(),
mImage.getRight(), mImage.getBottom());
}
void refreshSizes() {
mText2.setText(getDisplaySize() + " " + getViewSize());
}
private void display(String text) {
mText1.setText(text);
refreshSizes();
}
State getState() {
return mState;
}
static int TOAST_LENGTH = 500;
IV mImage;
TextView mText1, mText2;
State mState;
public OverscanActivity() {
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// we need to ask for LAYOUT_IN_SCREEN before the window decor appears
Window win = getWindow();
WindowManager.LayoutParams winParams = win.getAttributes();
winParams.flags |= WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN;
win.setAttributes(winParams);
setContentView(R.layout.overscan);
mImage = (IV) findViewById(R.id.image);
mImage.setActivity(this);
mText1 = (TextView) findViewById(R.id.text1);
mText2 = (TextView) findViewById(R.id.text2);
}
@Override
public void onAttachedToWindow() {
mState = new NormalState();
mState.apply();
}
@Override
protected void onResume() {
super.onResume();
}
public void clicked(View v) {
mState = mState.next();
mState.apply();
}
}