Android开发之中英文切换

首先配置文件的application标签中要添加：

android:configChanges="locale"

然后进入页面设置：

 //获取语言并显示        if ((Integer) SPUtil.get("checkItem", 0) == 0) {            //切换为简体中文            Configuration config = getResources().getConfiguration();            Resources resources = getResources();            config.locale = Locale.CHINESE;            DisplayMetrics dm = resources.getDisplayMetrics();            resources.updateConfiguration(config, dm);        } else if ((Integer) SPUtil.get("checkItem", 0) == 1) {            //切换为英语            Configuration config = getResources().getConfiguration();            Resources resources = getResources();            config.locale = Locale.ENGLISH;            DisplayMetrics dm = resources.getDisplayMetrics();            resources.updateConfiguration(config, dm);        }

Dialog弹窗设置：

final String[] items = {"中文", "English"};                AlertDialog.Builder alertBuilder = new AlertDialog.Builder(this);                alertBuilder.setTitle(getResources().getString(R.string.tv_language_set));                alertBuilder.setSingleChoiceItems(items, (Integer) SPUtil.get("checkItem", 0), (dialogInterface, i) -> {                    alertDialog.dismiss();                    itemLanguage = items[i];                    if ("中文".equals(itemLanguage)) {                        SPUtil.put("checkItem", 0);                    } else if ("English".equals(itemLanguage)) {                        SPUtil.put("checkItem", 1);                    }                    changeLanguage();                });                alertBuilder.setNegativeButton(getResources().getString(R.string.cancel), (dialogInterface, i) -> alertDialog.dismiss());                alertDialog = alertBuilder.create();                alertDialog.show();                //放在show()之后，不然有些属性是没有效果的，比如height和width                Window dialogWindow = alertDialog.getWindow();                WindowManager m = getWindowManager();                Display d = m.getDefaultDisplay(); // 获取屏幕宽、高                WindowManager.LayoutParams p = dialogWindow.getAttributes(); // 获取对话框当前的参数值                // 设置宽度                p.width = (int) (d.getWidth() * 0.95); // 宽度设置为屏幕的0.95                p.gravity = Gravity.CENTER;//设置位置                //p.alpha = 0.8f;//设置透明度                dialogWindow.setAttributes(p);

退到栈顶并重启首页：

private void changeLanguage() {        finish();        Intent _Intent = new Intent(this, HomeActivity.class);        _Intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK | Intent.FLAG_ACTIVITY_NEW_TASK);        startActivity(_Intent);        //清除Activity退出和进入的动画        overridePendingTransition(0, 0);    }

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