android-設定系統及應用級螢幕亮度
阿新 • • 發佈:2019-02-13
/** * 獲得當前螢幕亮度的模式 * SCREEN_BRIGHTNESS_MODE_AUTOMATIC=1 為自動調節螢幕亮度 * SCREEN_BRIGHTNESS_MODE_MANUAL=0 為手動調節螢幕亮度 */ private int getScreenMode(){ int screenMode=0; try{ screenMode = Settings.System.getInt(getContentResolver(), Settings.System.SCREEN_BRIGHTNESS_MODE); } catch (Exception localException){ } return screenMode; } /** * 獲得當前螢幕亮度值 0-255 */ private int getScreenBrightness(){ int screenBrightness=255; try{ screenBrightness = Settings.System.getInt(getContentResolver(), Settings.System.SCREEN_BRIGHTNESS); } catch (Exception localException){ } return screenBrightness; } /** * 設定當前螢幕亮度的模式 * SCREEN_BRIGHTNESS_MODE_AUTOMATIC=1 為自動調節螢幕亮度 * SCREEN_BRIGHTNESS_MODE_MANUAL=0 為手動調節螢幕亮度 */ private void setScreenMode(int paramInt){ try{ Settings.System.putInt(getContentResolver(), Settings.System.SCREEN_BRIGHTNESS_MODE, paramInt); }catch (Exception localException){ localException.printStackTrace(); } } /** * 設定系統級螢幕亮度值 0-255 <span style="white-space:pre"> </span> * */ private void saveScreenBrightness(int paramInt){ try{ Settings.System.putInt(getContentResolver(), Settings.System.SCREEN_BRIGHTNESS, paramInt); } catch (Exception localException){ localException.printStackTrace(); } } /** * 設定當前的螢幕亮度值,及時生效 0-255 <span style="white-space:pre"> </span> * 該方法僅對當前應用螢幕亮度生效 */ private void setScreenBrightness(int paramInt){ Window localWindow = getWindow(); WindowManager.LayoutParams localLayoutParams = localWindow.getAttributes(); float f = paramInt / 255.0F; localLayoutParams.screenBrightness = f; localWindow.setAttributes(localLayoutParams); }