Android example source code file (ScreenOrientation.java)

This example Android source code file (ScreenOrientation.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Android by Example" ^TM.

Java - Android tags/keywords

activity, adapterview, android, app, application, arrayadapter, content, onitemselectedlistener, os, override, screenorientation, spinner, ui, view, widget

The ScreenOrientation.java Android example source code

/*
 * Copyright (C) 2010 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.app;

import com.example.android.apis.R;

import android.app.Activity;
import android.app.admin.DevicePolicyManager;
import android.content.pm.ActivityInfo;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Spinner;
import android.widget.AdapterView.OnItemSelectedListener;

public class ScreenOrientation extends Activity {
    Spinner mOrientation;

    // Orientation spinner choices
    // This list must match the list found in samples/ApiDemos/res/values/arrays.xml
    final static int mOrientationValues[] = new int[] {
        ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED,
        ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE,
        ActivityInfo.SCREEN_ORIENTATION_PORTRAIT,
        ActivityInfo.SCREEN_ORIENTATION_USER,
        ActivityInfo.SCREEN_ORIENTATION_BEHIND,
        ActivityInfo.SCREEN_ORIENTATION_SENSOR,
        ActivityInfo.SCREEN_ORIENTATION_NOSENSOR,
        ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE,
        ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT,
        ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE,
        ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT,
        ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR,
    };
    
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.screen_orientation);
        
        mOrientation = (Spinner)findViewById(R.id.orientation);
        ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(
                this, R.array.screen_orientations, android.R.layout.simple_spinner_item);
        adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
        mOrientation.setAdapter(adapter);
        mOrientation.setOnItemSelectedListener(
                new OnItemSelectedListener() {
                    public void onItemSelected(
                            AdapterView<?> parent, View view, int position, long id) {
                        setRequestedOrientation(mOrientationValues[position]);
                    }

                    public void onNothingSelected(AdapterView<?> parent) {
                        setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED);
                    }
                });
    }
}