Android仿苹果关机界面实现代码

package com.android.server.policy; 
import android.app.AlertDialog; 
import android.app.StatusBarManager; 
import android.os.Handler; 
import android.os.Message; 
import android.os.RemoteException; 
import android.os.ServiceManager; 
import android.os.SystemClock; 
import android.util.Log; 
import android.view.IWindowManager; 
import android.view.KeyEvent; 
import android.view.LayoutInflater; 
import android.view.View; 
import android.view.Window; 
import android.view.WindowManager; 
import android.view.animation.Animation; 
import android.view.animation.TranslateAnimation; 
import android.widget.Button; 
import android.widget.LinearLayout; 
import android.content.BroadcastReceiver; 
import android.content.Context; 
import android.content.Intent; 
import android.content.IntentFilter; 
//import android.widget.SlideBar; 
import com.android.internal.R; 
import android.widget.ImageView; 
import android.view.MotionEvent; 
import android.view.View.OnTouchListener; 
import android.util.Log; 
import android.widget.FrameLayout; 
import android.graphics.Canvas; 
import android.graphics.Color; 
import android.graphics.Paint; 
import android.graphics.Path; 
import android.graphics.RectF; 
import android.graphics.Bitmap; 
import android.graphics.PixelFormat; 
import android.graphics.drawable.Drawable; 
import android.util.AttributeSet; 
import android.graphics.drawable.BitmapDrawable; 
import android.view.Display; 
import android.view.WindowManager; 
//import com.android.internal.widget.SlideView; 
//import android.view.WindowManagerPolicy.WindowManagerFuncs; 
import android.view.WindowManagerPolicy.WindowManagerFuncs; 
import android.view.Gravity; 
import android.app.WallpaperManager; 
import android.graphics.Bitmap.Config; 
import android.graphics.drawable.BitmapDrawable; 
//added by wangchengju for shutdown 
public class IphoneShutdownDialog { 
private static String TAG = "IphoneShutdownDialog"; 
private int mStyleId; 
private boolean mIsRestore = false; 
private View view ; 
private StatusBarManager mStatusBar; 
private Context mContext; 
private final WindowManagerFuncs mWindowManagerFuncs;//added by wangchengju for shutdown 
private static final int MESSAGE_DISMISS = 0; 
static final String SYSTEM_DIALOG_REASON_KEY = "reason"; 
static final String SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS = "globalactions"; 
int mdownx,mdowny; 
boolean ispowerdown=false; 
private WallpaperManager wpm;  
private FrameLayout mgradientView; 
private WindowManager mWindowManager; 
private WindowManager.LayoutParams mFrameLayoutParams; 
private FrameLayout mFrameLayout; 
public IphoneShutdownDialog(Context context, WindowManagerFuncs windowManagerFuncs) 
{ 
Log.d(TAG,"denghaigui construction"); 
mContext = context; 
mWindowManagerFuncs = windowManagerFuncs;//added by wangchengju for shutdown 
mStatusBar = (StatusBarManager)mContext.getSystemService(Context.STATUS_BAR_SERVICE); 
IntentFilter filter = new IntentFilter(); 
filter.addAction(Intent.ACTION_CLOSE_SYSTEM_DIALOGS); 
filter.addAction(Intent.ACTION_SCREEN_OFF); 
filter.addAction(Intent.ACTION_WALLPAPER_CHANGED); 
context.registerReceiver(mBroadcastReceiver, filter); 
wpm = (WallpaperManager) mContext.getSystemService(mContext.WALLPAPER_SERVICE); 
} 
public Bitmap drawableToBitmap(Drawable drawable) { 
Bitmap bitmap = Bitmap.createBitmap( 
drawable.getIntrinsicWidth(), 
drawable.getIntrinsicHeight(), 
drawable.getOpacity() != PixelFormat.OPAQUE ? Bitmap.Config.ARGB_8888 
: Bitmap.Config.RGB_565); 
Canvas canvas = new Canvas(bitmap); 
// canvas.setBitmap(bitmap); 
drawable.setBounds(0, 0, drawable.getIntrinsicWidth(), 
drawable.getIntrinsicHeight()); 
drawable.draw(canvas); 
return bitmap; 
} 
/* public Drawable getBitmapDrawable(View views){ 
WindowManager windowManager = (WindowManager)mContext.getSystemService(Context.WINDOW_SERVICE); 
Display display = windowManager.getDefaultDisplay(); 
int w = display.getWidth(); 
int h = display.getHeight(); 
Bitmap Bmp = Bitmap.createBitmap( w, h, Config.ARGB_8888 );   
View decorview = views.getWindow().getDecorView();  
decorview.setDrawingCacheEnabled(true);  
Bmp = decorview.getDrawingCache();  
Drawable drawable =new BitmapDrawable(Bmp); 
return drawable; 
}*/ 
private void initWindowsView() { 
if (mWindowManager == null) 
mWindowManager = (WindowManager) mContext.getSystemService(Context.WINDOW_SERVICE); 
mFrameLayoutParams = new WindowManager.LayoutParams(WindowManager.LayoutParams.FLAG_FULLSCREEN,WindowManager.LayoutParams.FLAG_FULLSCREEN); 
mFrameLayoutParams.type = WindowManager.LayoutParams.TYPE_SYSTEM_ERROR;// 
mFrameLayoutParams.format = PixelFormat.RGBA_8888; 
resetWindowParamsFlags(); 
mFrameLayoutParams.gravity = Gravity.TOP | Gravity.START; 
mFrameLayout = new FrameLayout(mContext); 
mFrameLayout.setSystemUiVisibility( 
View.SYSTEM_UI_FLAG_LAYOUT_STABLE 
| View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION 
| View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN 
| View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY 
| View.SYSTEM_UI_FLAG_HIDE_NAVIGATION); 
mWindowManager.addView(mFrameLayout, mFrameLayoutParams); 
} 
private void resetWindowParamsFlags() { 
mFrameLayoutParams.flags = WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON 
| WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD 
| WindowManager.LayoutParams.FLAG_FULLSCREEN 
| WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE 
| WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS 
| WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR; 
} 
private void removeView(){ 
mFrameLayout.removeAllViews(); 
mWindowManager.removeViewImmediate(mFrameLayout); 
view=null; 
mFrameLayout = null; 
mWindowManager = null; 
} 
public void showDialog(boolean keyguardShowing) 
{ 
Log.d("PhoneShutdownDialog","denghaigui showDialog"); 
initWindowsView(); 
//create Dialog 
if(view == null){ 
LayoutInflater inflater = LayoutInflater.from(mContext) ; 
view = inflater.inflate(R.layout.iphone_shutdown_dialog, null, false) ;    
mFrameLayout.addView(view); 
Bitmap image = drawableToBitmap(wpm.getDrawable()); 
image = Blur.fastblur(mContext, image,25); 
BitmapDrawable bt = new BitmapDrawable(image); 
Blur.setDrawable(bt); 
}else{ 
Log.d("PhoneShutdownDialog","denghaigui view is not null"); 
}     
Drawable bt = Blur.getDrawable(); 
if(bt!=null){ 
view.setBackground(bt); 
} 
mgradientView = (FrameLayout)view.findViewById(R.id.gradientView_layout); 
FrameLayout slide_shutdown = (FrameLayout)view.findViewById(R.id.slide_layout); 
SlideView mslideview=new SlideView(mContext); 
android.widget.FrameLayout.LayoutParams layoutparams = new android.widget.FrameLayout.LayoutParams(524, 150,Gravity.CENTER); 
slide_shutdown.addView(mslideview,0,layoutparams); 
final LinearLayout cancelShutdown = (LinearLayout)view.findViewById(R.id.cancelShutdown) ; 
Button cancelShutdownBtn = (Button)view.findViewById(R.id.cancelShutdownBtn) ; 
cancelShutdownBtn.setPressed(false); 
cancelShutdownBtn.setOnClickListener(new View.OnClickListener() { 
public void onClick(View v) { 
removeView(); 
// playCloseAnimation(shutdownTab, cancelShutdown) ; 
} 
}) ; 
//play open animation 
//    playOpenAnimation(shutdownTab, cancelShutdown) ; 
mStatusBar.disable(StatusBarManager.DISABLE_EXPAND); 
} 
public void dismissDialog() 
{ 
removeView(); 
mStatusBar.disable(StatusBarManager.DISABLE_NONE); 
} 
private BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() { 
public void onReceive(Context context, Intent intent) { 
String action = intent.getAction(); 
if (Intent.ACTION_CLOSE_SYSTEM_DIALOGS.equals(action) 
|| Intent.ACTION_SCREEN_OFF.equals(action)) { 
String reason = intent.getStringExtra(SYSTEM_DIALOG_REASON_KEY); 
if (!SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS.equals(reason)) { 
mHandler.sendEmptyMessage(MESSAGE_DISMISS); 
} 
}  
if(action.equals(Intent.ACTION_WALLPAPER_CHANGED)){ 
Bitmap image = drawableToBitmap(wpm.getDrawable()); 
image = Blur.fastblur(context, image,25); 
BitmapDrawable bt = new BitmapDrawable(image); 
Blur.setDrawable(bt); 
} 
} 
}; 
private Handler mHandler = new Handler() { 
public void handleMessage(Message msg) { 
if (msg.what == MESSAGE_DISMISS) { 
if (view != null) { 
dismissDialog(); 
} 
} 
} 
}; 
public class SlideView extends View 
{ 
public float mTouchX;  
private Drawable mSlideDrawable; 
public float mDownX,mdx;  
private boolean isPower=false; 
private Context mContext; 
public SlideView(Context context, AttributeSet attrs) { 
this(context); 
} 
public SlideView(Context context) { 
super(context); 
mContext=context; 
mSlideDrawable = context.getResources().getDrawable(R.drawable.slide_touch_icon); 
} 
@Override 
protected void onDraw(Canvas canvas) { 
super.onDraw(canvas); 
if(mdx 374)mdx=374; 
if(mdx<0)mdx=0; 
Paint mPaint=new Paint(Paint.ANTI_ALIAS_FLAG); 
mPaint.setColor(Color.WHITE); 
mPaint.setAlpha(200); 
canvas.save(); 
Path path=new Path(); 
RectF rect=new RectF(mdx, 0, 434, 120); 
canvas.drawRoundRect(rect, 72, 72, mPaint); 
canvas.restore(); 
canvas.drawBitmap(((BitmapDrawable) mSlideDrawable).getBitmap(), mdx+5, 5,null);   
} 
@Override 
public boolean onTouchEvent(MotionEvent ev) {    
int action = ev.getAction(); 
switch (action) { 
case MotionEvent.ACTION_DOWN:  
mDownX=ev.getX();  
isPower=true; 
//mgradientView.setVisibility(8); 
break;       
case MotionEvent.ACTION_MOVE:   
mgradientView.setVisibility(8); 
mTouchX = ev.getX(); 
if(mTouchX <= mDownX) 
{ 
mdx=0; 
mgradientView.setVisibility(0); 
} 
else 
mdx=(mTouchX-mDownX); 
invalidate();  
if(mdx 374) 
isPower=false; 
else 
isPower=true; 
break; 
case MotionEvent.ACTION_UP: 
case MotionEvent.ACTION_CANCEL:   
if(isPower==true){ 
mgradientView.setVisibility(0); 
mdx=0; 
invalidate();  
} 
else 
mWindowManagerFuncs.shutdown(false); 
break; 
} 
return true; 
} 
} 
} 

package com.android.server.policy; 
import android.animation.ValueAnimator; 
import android.animation.ValueAnimator.AnimatorUpdateListener; 
import android.content.Context; 
import android.content.res.TypedArray; 
import android.graphics.Canvas; 
import android.graphics.Color; 
import android.graphics.LinearGradient; 
import android.graphics.Paint; 
import android.graphics.Shader; 
import android.graphics.drawable.BitmapDrawable; 
import android.graphics.drawable.Drawable; 
import android.util.AttributeSet; 
import android.util.Log; 
import android.view.View; 
import android.view.animation.Animation; 
import com.android.internal.R; 
import android.graphics.Typeface; 
public class GradientPowerView extends View { 
private static final String TAG = "GradientPowerView"; 
private static final boolean DEBUG = false; 
private float  mIndex = 0; 
private Shader mShader; 
private int   mTextSize;  
private static final int mUpdateStep = 15; 
private static final int mMaxWidth = 40 * mUpdateStep; // 26*25  
private static final int mMinWidth = 6 * mUpdateStep; // 5*25 
int       mDefaultColor; 
int       mSlideColor; 
private ValueAnimator animator; 
private int mWidth,mHeight; 
private String mStringToShow; 
private Paint mTextPaint; 
private float mTextHeight; 
private Drawable mSlideIcon; 
private int mSlideIconHeight; 
private static final int mSlideIconOffSetTop = 20; 
private static final String ANDROID_CLOCK_FONT_FILE = "/system/fonts/ASans.ttf"; 
private AnimatorUpdateListener mAnimatorUpdateListener = new AnimatorUpdateListener() { 
@Override 
public void onAnimationUpdate(ValueAnimator animation) { 
mIndex =Float.parseFloat(animation.getAnimatedValue().toString()); 
// RadialGradient SweepGradient 
mShader = new LinearGradient(mIndex - 20 * mUpdateStep, 100, 
mIndex, 100, new int[] { mDefaultColor, mDefaultColor, mDefaultColor,mSlideColor, 
mSlideColor, mDefaultColor, mDefaultColor, mDefaultColor }, null, 
Shader.TileMode.CLAMP); 
postInvalidate(); 
} 
}; 
public GradientPowerView(Context context) { 
super(context); 
} 
public GradientPowerView(Context context, AttributeSet attrs) { 
super(context, attrs); 
TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.GradientView); 
mStringToShow = a.getString(R.styleable.GradientView_text) ; 
mTextSize = (int)a.getDimension(R.styleable.GradientView_textSize, 40); 
mDefaultColor = a.getColor(R.styleable.GradientView_textColor, Color.GRAY); 
mSlideColor = a.getColor(R.styleable.GradientView_SlideColor, Color.WHITE); 
mSlideIcon = context.getResources().getDrawable(R.drawable.slide_icon); 
mSlideIconHeight = mSlideIcon.getMinimumHeight(); 
a.recycle(); 
animator = ValueAnimator.ofFloat(mMinWidth,mMaxWidth); 
animator.setDuration(1800); 
animator.addUpdateListener(mAnimatorUpdateListener); 
animator.setRepeatCount(Animation.INFINITE);//repeat animation 
animator.start(); 
mTextPaint = new Paint(); 
mTextPaint.setAntiAlias(true); 
mTextPaint.setColor(mSlideColor); 
mTextPaint.setTextSize(mTextSize);  
mTextPaint.setTextAlign(Paint.Align.CENTER); 
//   mTextPaint.setTypeface(Typeface.createFromFile(ANDROID_CLOCK_FONT_FILE));  
mTextHeight = mTextPaint.ascent(); 
setFocusable(true); 
} 
@Override 
protected void onDraw(Canvas canvas) { 
if(DEBUG) 
Log.w(TAG, "b onDraw()"); 
mTextPaint.setShader(mShader); 
Log.i("denghaigui","mWidth is: "+mWidth +"Height is: "+mHeight+ "mTextHeight: "+mTextHeight); 
canvas.drawText(mStringToShow, (mWidth+30)/2, mHeight / 2 - mTextHeight 
/ 2 - mSlideIconOffSetTop, mTextPaint); // slide_unlock 
}  
public void stopAnimatorAndChangeColor() { 
//if(DEBUG) 
Log.w(TAG, "stopGradient"); 
animator.cancel(); 
//reset 
mShader = new LinearGradient(0, 100, mIndex, 100, 
new int[] {mSlideColor, mSlideColor}, 
null, Shader.TileMode.CLAMP); 
invalidate(); 
} 
public void startAnimator() { 
if(DEBUG) 
Log.w(TAG, "startGradient"); 
animator.start(); 
} 
@Override 
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 
super.onMeasure(widthMeasureSpec, heightMeasureSpec); 
mWidth = MeasureSpec.getSize(widthMeasureSpec); 
mHeight = MeasureSpec.getSize(heightMeasureSpec); 
} 
public void resetControl(){ 
animator.start(); 
this.setX(0); 
invalidate(); 
} 
}