android手机截图功能,Android手机各种截屏方法-优快云博客

这是一个Android屏幕适配工具类，包含了获取屏幕尺寸、状态栏高度以及截图（含/不含状态栏）的方法。适用于Android应用开发中进行界面布局和截图功能的实现。

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/**

* 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;

}