android桌面小火箭升空动画

 1 public class MainActivity extends Activity {  2  @Override  3 protected void onCreate(Bundle savedInstanceState) {  4 super.onCreate(savedInstanceState);  5  setContentView(R.layout.activity_main);  6  }  7 /** 开启小火箭 */  8 public void start(View view) {  9 startService(new Intent(this, RocketService.class)); 10  finish(); 11  } 12 /** 取消小火箭 */ 13 public void cancel(View view) { 14 stopService(new Intent(this, RocketService.class)); 15  } 16 17 }

 1 import android.content.Context;  2 import android.content.res.Resources;  3 import android.util.DisplayMetrics;  4  5 //工具类  6 public class DenstyUtil {  7  8  /**  9  * This method converts dp unit to equivalent pixels, depending on device 10  * density. 11  * 12  * @param dp 13  * A value in dp (density independent pixels) unit. Which we need 14  * to convert into pixels 15  * @param context 16  * Context to get resources and device specific display metrics 17  * @return A float value to represent px equivalent to dp depending on 18  * device density 19 */ 20 public static float convertDpToPixel(float dp, Context context) { 21 Resources resources = context.getResources(); 22 DisplayMetrics metrics = resources.getDisplayMetrics(); 23 float px = dp * (metrics.densityDpi / 160f); 24 return px; 25  } 26 27 /** 28  * This method converts device specific pixels to density independent 29  * pixels. 30  * 31  * @param px 32  * A value in px (pixels) unit. Which we need to convert into db 33  * @param context 34  * Context to get resources and device specific display metrics 35  * @return A float value to represent dp equivalent to px value 36 */ 37 public static float convertPixelsToDp(float px, Context context) { 38 Resources resources = context.getResources(); 39 DisplayMetrics metrics = resources.getDisplayMetrics(); 40 float dp = px / (metrics.densityDpi / 160f); 41 return dp; 42  } 43 44 }

 1 import java.util.List;  2 import android.app.ActivityManager;  3 import android.app.ActivityManager.RunningServiceInfo;  4 import android.content.Context;  5  6 // 工具类  7 public class ServiceUtil {  8  9 /** 10  * 判断当前该服务是否在运行 11  * 12  * @param context 13  * @param cls 14  * @return 15 */ 16 public static boolean isServiceRunning(Context context, Class<?> cls) { 17 ActivityManager activityManager = (ActivityManager) context 18  .getSystemService(Context.ACTIVITY_SERVICE); 19 List<RunningServiceInfo> runningServices = activityManager 20 .getRunningServices(1024); 21 for (RunningServiceInfo service : runningServices) { 22 if (cls.getName().equals(service.service.getClassName())) { 23 return true; 24  } 25  } 26 return false; 27  } 28 }

  1 import java.util.ArrayList;  2 import java.util.List;  3 import java.util.Timer;  4 import java.util.TimerTask;  5 import android.app.ActivityManager;  6 import android.app.ActivityManager.RunningTaskInfo;  7 import android.app.Service;  8 import android.content.Context;  9 import android.content.Intent;  10 import android.content.pm.PackageManager;  11 import android.content.pm.ResolveInfo;  12 import android.graphics.PixelFormat;  13 import android.graphics.drawable.AnimationDrawable;  14 import android.os.Handler;  15 import android.os.IBinder;  16 import android.os.Vibrator;  17 import android.util.DisplayMetrics;  18 import android.util.Log;  19 import android.view.Gravity;  20 import android.view.MotionEvent;  21 import android.view.View;  22 import android.view.View.OnTouchListener;  23 import android.view.WindowManager;  24 import android.view.WindowManager.LayoutParams;  25 import android.widget.ImageView;  26 import com.charon.rocketfly.R;  27 import com.charon.rocketfly.RocketActivity;  28 import com.charon.rocketfly.util.DenstyUtil;  29  30 public class RocketService extends Service {  31 protected static final String TAG = "RocketService";  32 private WindowManager mWindowManager;  33 private int mWindowWidth;  34 private int mWindowHeight;  35 private static View icon;  36 private static View rocket_launcher;  37  38 private static AnimationDrawable mFireAnimationDrawable;  39 private static AnimationDrawable mLauncherAnimationDrawable;  40  41 private WindowManager.LayoutParams iconParams;  42 private WindowManager.LayoutParams launcherParams;  43  44 private static int mLauncherHeight;  45 private static int mLauncherWidth;  46  47 private Vibrator mVibrator; // 震动  48  49 private Timer timer;  50  51 private Handler mHandler = new Handler();  52  53  @Override  54 public IBinder onBind(Intent intent) {  55 return null;  56  }  57  58  @Override  59 public void onCreate() {  60 super.onCreate();  61 //  62 mWindowManager = (WindowManager) this.getApplicationContext()  63  .getSystemService(Context.WINDOW_SERVICE);  64 // 获取手机屏幕的分辨率和密度 （Pixels：像素）  65 DisplayMetrics displayMetrics = new DisplayMetrics();  66  mWindowManager.getDefaultDisplay().getMetrics(displayMetrics);  67 mWindowWidth = displayMetrics.widthPixels;  68 mWindowHeight = displayMetrics.heightPixels;  69  70 // 取得震动服务的句柄  71 mVibrator = (Vibrator) this.getApplicationContext().getSystemService(  72  Context.VIBRATOR_SERVICE);  73  }  74  75  @Override  76 public int onStartCommand(Intent intent, int flags, int startId) {  77 Log.e(TAG, "on start command create icon");  78  createIcon();  79 if (timer == null) {  80 timer = new Timer();  81 timer.scheduleAtFixedRate(new RefreshTask(), 0, 500);  82  }  83 return super.onStartCommand(intent, flags, startId);  84  }  85  86  @Override  87 public void onDestroy() {  88  removeIcon();  89  removeLauncher();  90  timer.cancel();  91 timer = null;  92 super.onDestroy();  93  }  94  95 /**  96  * 创建桌面悬浮窗，一旦点击就变成小火箭  97 */  98 public void createIcon() {  99  removeIcon(); 100 iconParams = new LayoutParams(); 101 icon = new ImageView(this.getApplicationContext()); 102 Log.e(TAG, "creat icon is not null"); 103  icon.setBackgroundResource(R.drawable.floating_desktop_tips_rocket_bg); 104 105 icon.setOnTouchListener(new OnTouchListener() { 106 float startX = 0; 107 float startY = 0; 108 109  @Override 110 public boolean onTouch(View v, MotionEvent event) { 111 switch (event.getAction()) { 112 case MotionEvent.ACTION_DOWN: 113 // 手指一旦点击了后，就要去创建小火箭，和下面的发射台，并且给小火箭播放动画 114 startX = event.getX(); 115 startY = event.getY(); 116 117 // 小火箭升空图片 118  icon.setBackgroundResource(R.drawable.rocket_fire); 119 120 mFireAnimationDrawable = (AnimationDrawable) icon 121  .getBackground(); 122  mFireAnimationDrawable.start(); 123 iconParams.width = WindowManager.LayoutParams.WRAP_CONTENT; 124 iconParams.height = WindowManager.LayoutParams.WRAP_CONTENT; 125 iconParams.y = iconParams.y - iconParams.height 126 - icon.getHeight() * 2; 127 128  mWindowManager.updateViewLayout(icon, iconParams); 129 130  createLauncher(); 131 132 break; 133 case MotionEvent.ACTION_MOVE: 134 135 Log.d(TAG, "action move change the location"); 136 float newX = event.getRawX(); 137 Log.e(TAG, "iconHeight:" + icon.getHeight() + ":::" 138 + iconParams.height); 139 float newY = event.getRawY() - icon.getHeight() 140 - iconParams.height; 141  mWindowManager.updateViewLayout(icon, iconParams); 142 143 iconParams.x = (int) (newX - startX); 144 iconParams.y = (int) (newY - startY); 145 146 // 小火箭去移动位置 147  isReadyToLaunch(event.getRawX(), event.getRawY()); 148 149 break; 150 151 case MotionEvent.ACTION_UP: 152 // 手指抬起的时候，要么小火箭去发射，要么就是恢复到原来的提示图标那样 153 Log.d(TAG, "action up"); 154 if (isReadyToLaunch((int) event.getRawX(), 155 (int) event.getRawY())) { 156 Intent intent = new Intent(RocketService.this, 157 RocketActivity.class); 158  intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 159  startActivity(intent); 160  removeIcon(); 161  removeLauncher(); 162 } else { 163 Log.e(TAG, "action up create icon."); 164  createIcon(); 165  icon.setBackgroundResource(R.drawable.floating_desktop_tips_rocket_bg); 166  } 167 168 break; 169  } 170 171 return true; 172  } 173  }); 174 175 iconParams.gravity = Gravity.LEFT | Gravity.TOP; 176 iconParams.x = mWindowWidth; 177 iconParams.y = mWindowHeight / 2; 178 iconParams.height = WindowManager.LayoutParams.WRAP_CONTENT; 179 iconParams.width = WindowManager.LayoutParams.WRAP_CONTENT; 180 iconParams.flags = WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE 181 | WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON; 182 iconParams.format = PixelFormat.TRANSLUCENT; 183 iconParams.type = WindowManager.LayoutParams.TYPE_PRIORITY_PHONE; 184 185  mWindowManager.addView(icon, iconParams); 186  } 187 188 private void removeIcon() { 189 if (icon != null && icon.getParent() != null) { 190  mWindowManager.removeView(icon); 191 icon = null; 192  } 193  removeLauncher(); 194  } 195 196 /** 197  * 创建桌面发射台 198 */ 199 private void createLauncher() { 200  removeLauncher(); 201 202 launcherParams = new LayoutParams(); 203 rocket_launcher = new ImageView(this.getApplicationContext()); 204 changelauncherState(false); 205 206 launcherParams.height = (int) DenstyUtil.convertDpToPixel(80, 207 this.getApplicationContext()); 208 launcherParams.width = (int) DenstyUtil.convertDpToPixel(200, 209 this.getApplicationContext()); 210 mLauncherHeight = launcherParams.height; 211 mLauncherWidth = launcherParams.width; 212 213 // 这个x、y是起始添加的位置 214 launcherParams.x = mWindowWidth / 2 - mLauncherWidth / 2; 215 launcherParams.y = mWindowHeight - mLauncherHeight; 216 launcherParams.gravity = Gravity.LEFT | Gravity.TOP; 217 218 Log.d(TAG, "create launcher. width::" + rocket_launcher.getWidth()); 219 launcherParams.flags = WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE 220 | WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON; 221 launcherParams.format = PixelFormat.TRANSLUCENT; 222 launcherParams.type = WindowManager.LayoutParams.TYPE_TOAST; 223 224  mWindowManager.addView(rocket_launcher, launcherParams); 225  } 226 227 private void removeLauncher() { 228 if (rocket_launcher != null && rocket_launcher.getParent() != null) { 229  mWindowManager.removeView(rocket_launcher); 230  } 231  } 232 233 /** 234  * 更改发射台的状态 235  * 236  * @param isReadFly 237  * 是否可以进入发射状态 238 */ 239 private void changelauncherState(boolean isReadFly) { 240 if (rocket_launcher == null) { 241 return; 242  } 243 244 if (isReadFly) { 245  rocket_launcher.setBackgroundResource(R.drawable.desktop_bg_tips_3); 246 if (mLauncherAnimationDrawable != null) { 247  mLauncherAnimationDrawable.stop(); 248  } 249 } else { 250  rocket_launcher.setBackgroundResource(R.drawable.status_tip); 251 252 // 创建发射台 253 mLauncherAnimationDrawable = (AnimationDrawable) rocket_launcher 254  .getBackground(); 255 if (!mLauncherAnimationDrawable.isRunning()) { 256  mLauncherAnimationDrawable.start(); 257  } 258  } 259  } 260 261 /** 262  * 判断是否可以进行发射 263  * 264  * @param x 265  * 当前火箭的距x轴的距离 266  * @param y 267  * 当前火箭的距y轴的距离 268  * @return true为进入发射状态，反之为false 269 */ 270 private boolean isReadyToLaunch(float x, float y) { 271 if ((x > launcherParams.x && x < launcherParams.x 272 + launcherParams.width) 273 && (y > launcherParams.y)) { 274 changelauncherState(true); 275 Log.d(TAG, "is ready to launch.. true"); 276 mVibrator.vibrate(100); 277 return true; 278  } 279 changelauncherState(false); 280 return false; 281  } 282 283 /** 284  * 判断当前界面是否是桌面 285  * getRunningTasks(1)：返回的个数。当前 运行的那个task。 286  * get(0)：从task中获取到最顶层的activity，这个activity就是当前显示给用户的那个activity了 287 */ 288 private boolean isHome() { 289 ActivityManager mActivityManager = (ActivityManager) getSystemService( 290  Context.ACTIVITY_SERVICE); 291 List<RunningTaskInfo> rti = mActivityManager.getRunningTasks(1); 292 return getHomes().contains(rti.get(0).topActivity.getPackageName()); 293  } 294 295 /** 296  * 获得属于桌面的应用的应用包名称 297  * 298  * @return 返回包含所有包名的字符串列表 299 */ 300 private List<String> getHomes() { 301 List<String> names = new ArrayList<String>(); 302 PackageManager packageManager = this.getPackageManager(); 303 Intent intent = new Intent(Intent.ACTION_MAIN); 304  intent.addCategory(Intent.CATEGORY_HOME); 305 // 通过查询，获得所有ResolveInfo对象 306 List<ResolveInfo> resolveInfo = packageManager.queryIntentActivities( 307  intent, PackageManager.MATCH_DEFAULT_ONLY); 308 for (ResolveInfo ri : resolveInfo) { 309  names.add(ri.activityInfo.packageName); 310  } 311 return names; 312  } 313 314 private class RefreshTask extends TimerTask { 315 316  @Override 317 public void run() { 318 // 当前界面是桌面，且没有悬浮窗显示，则创建悬浮窗。 319 if (isHome()) { 320 mHandler.post(new Runnable() { 321  @Override 322 public void run() { 323 if (icon == null) { 324  Log.e(TAG, 325 "refresh task create icon, and the icon is null"); 326  createIcon(); 327  } 328  } 329  }); 330 331  } 332 // 当前界面不是桌面，且有悬浮窗显示，则移除悬浮窗。 333 else if (!isHome()) { 334 mHandler.post(new Runnable() { 335  @Override 336 public void run() { 337  removeIcon(); 338  } 339  }); 340  } 341  } 342 343  } 344 345 }

 1 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"  2  android:layout_width="match_parent"  3  android:layout_height="match_parent"  4  android:background="@android:color/transparent" >  5  6 <ImageView  7 android:id="@+id/iv_rocket"  8  android:layout_width="wrap_content"  9  android:layout_height="wrap_content" 10  android:layout_alignParentBottom="true" 11  android:layout_centerHorizontal="true" 12  android:src="@drawable/rocket_fire" /> 13 14 <RelativeLayout 15 android:id="@+id/rl_cloud" 16  android:layout_width="wrap_content" 17  android:layout_height="wrap_content" > 18 19 <ImageView 20 android:id="@+id/iv_cloud" 21  android:layout_width="match_parent" 22  android:layout_height="wrap_content" 23  android:layout_alignParentBottom="true" 24  android:background="@drawable/desktop_smoke_m" 25  android:visibility="gone" /> 26 27 <ImageView 28 android:id="@+id/iv_cloud_line" 29  android:layout_width="wrap_content" 30  android:layout_height="wrap_content" 31  android:layout_above="@id/iv_cloud" 32  android:layout_centerHorizontal="true" 33  android:background="@drawable/desktop_smoke_t" 34  android:visibility="gone" /> 35 </RelativeLayout> 36 37 </RelativeLayout>

  1 import android.app.Activity;  2 import android.content.Intent;  3 import android.graphics.drawable.AnimationDrawable;  4 import android.media.MediaPlayer;  5 import android.os.Bundle;  6 import android.util.Log;  7 import android.view.View;  8 import android.view.animation.AccelerateDecelerateInterpolator;  9 import android.view.animation.AlphaAnimation; 10 import android.view.animation.Animation; 11 import android.view.animation.Animation.AnimationListener; 12 import android.view.animation.AnimationUtils; 13 import android.widget.ImageView; 14 import android.widget.RelativeLayout; 15  16 import com.charon.rocketfly.setvice.RocketService; 17 import com.charon.rocketfly.util.ServiceUtil; 18  19 /**  20  * 小火箭升空界面  21  * @author dr  22 */  23 public class RocketActivity extends Activity {  25 protected static final String TAG = "RocketActivity";  27 private ImageView iv_rocket;  28 private ImageView iv_cloud;  29 private ImageView iv_cloud_line;  30 private RelativeLayout rl_cloud;  31  32 private AnimationDrawable fireAnimationDrawable;  33  34  @Override  35 protected void onCreate(Bundle savedInstanceState) {  36 super.onCreate(savedInstanceState);  37  setContentView(R.layout.activity_rocket);  38  findView();  39  initView();  40  }  41  42 private void findView() {  43 iv_rocket = (ImageView) findViewById(R.id.iv_rocket);  44 iv_cloud = (ImageView) findViewById(R.id.iv_cloud);  45 iv_cloud_line = (ImageView) findViewById(R.id.iv_cloud_line);  46 rl_cloud = (RelativeLayout) findViewById(R.id.rl_cloud);  47  }  48  49 private void initView() {  50 iv_rocket.setPressed(true);  51 iv_rocket.setFocusable(true);  52  iv_rocket.setVisibility(View.VISIBLE);  53  }  54  55  @Override  56 protected void onStart() {  57 super.onStart();  58  iv_rocket.setBackgroundResource(R.drawable.rocket_fire);  59 fireAnimationDrawable = (AnimationDrawable) iv_rocket.getBackground();  60  fireAnimationDrawable.start();  61  62  fly();  63  }  64  65 /**  66  * 火箭飞起来的动画，同时下方播放冒烟的动画  67 */  68 private void fly() {  69 Log.e(TAG, "fly....");  70 Animation animation = AnimationUtils.loadAnimation(  71 this.getApplicationContext(), R.anim.rocket_up);  72 animation.setFillAfter(true);  73  74 animation.setAnimationListener(new AnimationListener() {  75  76  @Override  77 public void onAnimationStart(Animation animation) {  78 // 开始发射的时候去博凡动画  79 MediaPlayer player = MediaPlayer.create(RocketActivity.this,  80  R.raw.rocket);  81 player.setLooping(false);  82 player.setVolume(1.0f, 1.0f);  83  player.start();  84  85 AlphaAnimation cloudAppearAnimation = new AlphaAnimation(0.1f,  86 1.0f);  87 cloudAppearAnimation.setDuration(500);  88  89 Animation appearAnimation = new AlphaAnimation(0.0f, 1.0f);  90 appearAnimation.setDuration(500);  91 appearAnimation.setStartOffset(250);  92  93  iv_cloud.startAnimation(cloudAppearAnimation);  94  iv_cloud_line.startAnimation(appearAnimation);  95  }  96  97  @Override  98 public void onAnimationRepeat(Animation animation) {  99  } 100 101  @Override 102 public void onAnimationEnd(Animation animation) { 103 // 火箭播放完成后就去把云彩都消失 104  removeClound(); 105 if (!ServiceUtil.isServiceRunning(RocketActivity.this, 106 RocketService.class)) { 107 startService(new Intent(RocketActivity.this 108 .getApplicationContext(), RocketService.class)); 109  } 110  } 111  }); 112 113  iv_rocket.startAnimation(animation); 114 115  createClound(); 116  } 117 118 private void createClound() { 119  iv_cloud.setVisibility(View.VISIBLE); 120  iv_cloud_line.setVisibility(View.VISIBLE); 121  } 122 123 private void removeClound() { 124 AlphaAnimation disappearAnimation = new AlphaAnimation(1.0f, 0.0f); 125 disappearAnimation.setDuration(1000); 126 disappearAnimation.setFillAfter(true); 127  disappearAnimation 128 .setInterpolator(new AccelerateDecelerateInterpolator()); 129 130 disappearAnimation.setAnimationListener(new AnimationListener() { 131 132  @Override 133 public void onAnimationStart(Animation animation) { 135  } 136 137  @Override 138 public void onAnimationRepeat(Animation animation) { 140  } 141 142  @Override 143 public void onAnimationEnd(Animation animation) { 144  iv_rocket.setVisibility(View.GONE); 145  iv_cloud.setVisibility(View.GONE); 146  iv_cloud_line.setVisibility(View.GONE); 147 148  finish(); 149  } 150  }); 151  rl_cloud.startAnimation(disappearAnimation); 152  } 153 }

 1 <?xml version="1.0" encoding="utf-8"?> 2 <manifest xmlns:android="http://schemas.android.com/apk/res/android" 3     package="com.charon.rocketfly" 4     android:versionCode="1" 5     android:versionName="1.0" > 6  7     <uses-sdk 8         android:minSdkVersion="8" 9         android:targetSdkVersion="19" />10 11     <uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW" /> 12 <!-- 震动 --> 13 <uses-permission android:name="android.permission.VIBRATE" /> 14 <uses-permission android:name="android.permission.GET_TASKS"/>15 16     <application17         android:allowBackup="true"18         android:icon="@drawable/ic_launcher"19         android:label="@string/app_name"20         android:theme="@style/AppTheme" >21         <activity22             android:name="com.charon.rocketfly.MainActivity"23             android:label="@string/app_name" >24             <intent-filter>25                 <action android:name="android.intent.action.MAIN" />26                 <category android:name="android.intent.category.LAUNCHER" />27             </intent-filter>28         </activity>29         30        <activity 31 android:name="com.charon.rocketfly.RocketActivity" 32  android:theme="@android:style/Theme.Translucent.NoTitleBar.Fullscreen" /> 33 <service android:name="com.charon.rocketfly.setvice.RocketService" />34         35     </application>36 37 </manifest>

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