Android手机各种截屏方法

/**
* 屏幕相关的辅助类
*
* @since 2015-05-27
* @author lixi
*/
public class ScreenUtils {

private ScreenUtils() {
throw new UnsupportedOperationException("cannot be instantiated");
}

/**
* 获得屏幕高度
*/
public static int getScreenWidth(Context context) {
WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
DisplayMetrics outMetrics = new DisplayMetrics();
wm.getDefaultDisplay().getMetrics(outMetrics);
return outMetrics.widthPixels;
}

/**
* 获得屏幕宽度
*/
public static int getScreenHeight(Context context) {
WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
DisplayMetrics outMetrics = new DisplayMetrics();
wm.getDefaultDisplay().getMetrics(outMetrics);
return outMetrics.heightPixels;
}

/**
* 获得状态栏的高度
*/
public static int getStatusHeight(Context context) {
int statusHeight = -1;
try {
Class<?> clazz = Class.forName("com.android.internal.R$dimen");
Object object = clazz.newInstance();
int height = Integer.parseInt(clazz.getField("status_bar_height").get(object).toString());
statusHeight = context.getResources().getDimensionPixelSize(height);
} catch (Exception e) {
e.printStackTrace();
}
return statusHeight;
}

/**
* 获取当前屏幕截图，包含状态栏
*/
public static Bitmap snapShotWithStatusBar(Activity activity) {
View view = activity.getWindow().getDecorView();
view.setDrawingCacheEnabled(true);
view.buildDrawingCache();
Bitmap bmp = view.getDrawingCache();
int width = getScreenWidth(activity);
int height = getScreenHeight(activity);
Bitmap bp = null;
bp = Bitmap.createBitmap(bmp, 0, 0, width, height);
view.destroyDrawingCache();
return bp;

}

/**
* 获取当前屏幕截图，不包含状态栏
*/
public static Bitmap snapShotWithoutStatusBar(Activity activity) {
View view = activity.getWindow().getDecorView();
view.setDrawingCacheEnabled(true);
view.buildDrawingCache();
Bitmap bmp = view.getDrawingCache();
Rect frame = new Rect();
activity.getWindow().getDecorView().getWindowVisibleDisplayFrame(frame);
int statusBarHeight = frame.top;

int width = getScreenWidth(activity);
int height = getScreenHeight(activity);
Bitmap bp = null;
bp = Bitmap.createBitmap(bmp, 0, statusBarHeight, width, height - statusBarHeight);
view.destroyDrawingCache();
return bp;
}

/**
* 应用activity界面截图
* @param activity
* @param shareBtn 去除activity界面底部要不显示的组件
* @param sportDate 运动日期组件
* @return
*/
public static Bitmap takeScreenShot(RelativeLayout topView,Activity activity, FrameLayout shareBtn, LinearLayout sportDate) {
// 屏幕截图,通过设置隐藏，截图，再显示的方式，去掉头部，尾部的ui显示
topView.setVisibility(View.INVISIBLE);
shareBtn.setVisibility(View.INVISIBLE);
sportDate.setVisibility(View.VISIBLE);
View view = activity.getWindow().getDecorView();
view.setDrawingCacheEnabled(true);
view.buildDrawingCache();
Bitmap b1 = view.getDrawingCache();
shareBtn.setVisibility(View.VISIBLE);
sportDate.setVisibility(View.INVISIBLE);
topView.setVisibility(View.VISIBLE);

// 获取状态栏高度
Rect frame = new Rect();
activity.getWindow().getDecorView().getWindowVisibleDisplayFrame(frame);
int statusBarHeight = frame.top;

// 获取屏幕长和高
int width = activity.getWindowManager().getDefaultDisplay().getWidth();
int height = activity.getWindowManager().getDefaultDisplay()
.getHeight();
// 去掉标题栏
Bitmap b = Bitmap.createBitmap(b1, 0, statusBarHeight,width,height-statusBarHeight );
view.destroyDrawingCache();
return b;
}
}