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      1 /*
      2  * Copyright (C) 2010 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.apis.view;
     18 
     19 // Need the following import to get access to the app resources, since this
     20 // class is in a sub-package.
     21 import com.example.android.apis.R;
     22 
     23 import android.app.Activity;
     24 import android.os.Bundle;
     25 import android.widget.Button;
     26 import android.widget.SeekBar;
     27 
     28 /**
     29  * This application demonstrates the ability to transform views in 2D and 3D, scaling them,
     30  * translating them, and rotating them (in 2D and 3D). Use the seek bars to set the various
     31  * transform properties of the button.
     32  */
     33 public class RotatingButton extends Activity {
     34 
     35     /** Called when the activity is first created. */
     36     @Override
     37     public void onCreate(Bundle savedInstanceState) {
     38         super.onCreate(savedInstanceState);
     39         setContentView(R.layout.rotating_view);
     40         final Button rotatingButton = (Button) findViewById(R.id.rotatingButton);
     41         SeekBar seekBar;
     42         seekBar = (SeekBar) findViewById(R.id.translationX);
     43         seekBar.setMax(400);
     44         seekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
     45             public void onStopTrackingTouch(SeekBar seekBar) {
     46             }
     47 
     48             public void onStartTrackingTouch(SeekBar seekBar) {
     49             }
     50 
     51             public void onProgressChanged(SeekBar seekBar, int progress,
     52                     boolean fromUser) {
     53                 rotatingButton.setTranslationX((float)progress);
     54             }
     55         });
     56         seekBar = (SeekBar) findViewById(R.id.translationY);
     57         seekBar.setMax(800);
     58         seekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
     59 
     60             public void onStopTrackingTouch(SeekBar seekBar) {
     61             }
     62 
     63             public void onStartTrackingTouch(SeekBar seekBar) {
     64             }
     65 
     66             public void onProgressChanged(SeekBar seekBar, int progress,
     67                     boolean fromUser) {
     68                 rotatingButton.setTranslationY((float)progress);
     69             }
     70         });
     71         seekBar = (SeekBar) findViewById(R.id.scaleX);
     72         seekBar.setMax(50);
     73         seekBar.setProgress(10);
     74         seekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
     75 
     76             public void onStopTrackingTouch(SeekBar seekBar) {
     77             }
     78 
     79             public void onStartTrackingTouch(SeekBar seekBar) {
     80             }
     81 
     82             public void onProgressChanged(SeekBar seekBar, int progress,
     83                     boolean fromUser) {
     84                 rotatingButton.setScaleX((float)progress/10f);
     85             }
     86         });
     87         seekBar = (SeekBar) findViewById(R.id.scaleY);
     88         seekBar.setMax(50);
     89         seekBar.setProgress(10);
     90         seekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
     91 
     92             public void onStopTrackingTouch(SeekBar seekBar) {
     93             }
     94 
     95             public void onStartTrackingTouch(SeekBar seekBar) {
     96             }
     97 
     98             public void onProgressChanged(SeekBar seekBar, int progress,
     99                     boolean fromUser) {
    100                 rotatingButton.setScaleY((float)progress/10f);
    101             }
    102         });
    103         seekBar = (SeekBar) findViewById(R.id.rotationX);
    104         seekBar.setMax(360);
    105         seekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
    106 
    107             public void onStopTrackingTouch(SeekBar seekBar) {
    108             }
    109 
    110             public void onStartTrackingTouch(SeekBar seekBar) {
    111             }
    112 
    113             public void onProgressChanged(SeekBar seekBar, int progress,
    114                     boolean fromUser) {
    115                 // prevent seeking on app creation
    116                 rotatingButton.setRotationX((float)progress);
    117             }
    118         });
    119         seekBar = (SeekBar) findViewById(R.id.rotationY);
    120         seekBar.setMax(360);
    121         seekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
    122 
    123             public void onStopTrackingTouch(SeekBar seekBar) {
    124             }
    125 
    126             public void onStartTrackingTouch(SeekBar seekBar) {
    127             }
    128 
    129             public void onProgressChanged(SeekBar seekBar, int progress,
    130                     boolean fromUser) {
    131                 // prevent seeking on app creation
    132                 rotatingButton.setRotationY((float)progress);
    133             }
    134         });
    135         seekBar = (SeekBar) findViewById(R.id.rotationZ);
    136         seekBar.setMax(360);
    137         seekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
    138 
    139             public void onStopTrackingTouch(SeekBar seekBar) {
    140             }
    141 
    142             public void onStartTrackingTouch(SeekBar seekBar) {
    143             }
    144 
    145             public void onProgressChanged(SeekBar seekBar, int progress,
    146                     boolean fromUser) {
    147                 // prevent seeking on app creation
    148                 rotatingButton.setRotation((float)progress);
    149             }
    150         });
    151     }
    152 }