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);
}