android 开发备忘

来源：互联网发布：java计算器单选按钮编辑：程序博客网时间：2024/06/06 02:32

修改屏幕密度

setprop ro.sf.lcd_density 190

修改默认输入法

更改frameworks/base/services/java/com/android/server/InputMethodManagerService.java中添加如下代码

        String defaultIme = Settings.Secure.getString(mContext.getContentResolver(),                Settings.Secure.DEFAULT_INPUT_METHOD);        if (defaultIme == null) {                         try {                String myIME = "**.**.**/.InputMethod";//**.**.** is package name                if (myIME != null && myIME.length() > 0)                {                   Settings.Secure.putString(mContext.getContentResolver(),                    Settings.Secure.DEFAULT_INPUT_METHOD,                    myIME);                }            }            catch (Exception e)            {                e.printStackTrace();            }            defaultIme = Settings.Secure.getString(mContext                    .getContentResolver(), Settings.Secure.DEFAULT_INPUT_METHOD);        }        if (!TextUtils.isEmpty(defaultIme) && !map.containsKey(defaultIme)) {            if (chooseNewDefaultIMELocked()) {                updateFromSettingsLocked();            }        }