1 /* 2 * Copyright (C) 2007 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.example.android.helloactivity; 18 19 import android.app.Activity; 20 import android.os.Bundle; 21 import android.view.View; 22 import android.view.WindowManager; 23 24 25 /** 26 * A minimal "Hello, World!" application. 27 */ 28 public class HelloActivity extends Activity { 29 /** 30 * Called with the activity is first created. 31 */ 32 @Override 33 public void onCreate(Bundle savedInstanceState) { 34 super.onCreate(savedInstanceState); 35 36 // Set the layout for this activity. You can find it 37 // in res/layout/hello_activity.xml 38 View view = getLayoutInflater().inflate(R.layout.hello_activity, null); 39 setContentView(view); 40 41 WindowManager.LayoutParams params = getWindow().getAttributes(); 42 params.systemUiVisibility = View.SYSTEM_UI_FLAG_HIDE_NAVIGATION; 43 getWindow().setAttributes(params); 44 view.setOnSystemUiVisibilityChangeListener(new View.OnSystemUiVisibilityChangeListener() { 45 @Override public void onSystemUiVisibilityChange(int visibility) { 46 WindowManager.LayoutParams params = getWindow().getAttributes(); 47 params.systemUiVisibility = View.SYSTEM_UI_FLAG_HIDE_NAVIGATION; 48 getWindow().setAttributes(params); 49 } 50 }); 51 } 52 } 53 54
