android - Android：水平翻转布局

Question

假设我的布局有一个左对齐的 Button 和一个右对齐的 TextView。

我希望对于某些语言，布局将按原样显示，但对于其他语言，按钮应位于右侧，而文本应位于左侧。

是否有一些内置或简单的方法来动态翻转布局视图？

我可以创建一个不同的布局并动态设置内容视图，但如果可以提出更好的建议，我宁愿避免这种解决方案。

谢谢

Answer 1

在我的示例代码中，我正在更改按钮单击上的布局您也可以根据您的需要进行登录

if laguage = "bl bla" call layout1();
else call layout2();

我不是在创建不同的布局，而是在动态分配不同的布局属性的相同布局。

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

      <Button
        android:id="@+id/btn1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textColor="@android:color/black"
        android:background="@drawable/cuadrogris"
        android:text="Button 1"
        android:textSize="20sp" />

    <Button
        android:id="@+id/btn2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textColor="@android:color/black"
        android:background="@drawable/cuadrogris"
        android:layout_below="@id/btn1"
        android:text="Button 2"
        android:textSize="20sp" />


    <Button
        android:id="@+id/btnctrl1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textColor="@android:color/black"
        android:background="@drawable/cuadrogris"
        android:layout_alignParentBottom="true"
        android:layout_alignParentLeft="true"
        android:text="Alignment 1"
        android:textSize="20sp" />

    <Button
        android:id="@+id/btnctrl2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textColor="@android:color/black"
        android:background="@drawable/cuadrogris"
        android:layout_alignParentBottom="true" 
        android:layout_alignParentRight="true"      
        android:text="Alignment 2"
        android:textSize="20sp" />

</RelativeLayout>






public class TestActivity extends Activity {

    Button mbtn1;
    Button mbtn2;

    Button mbtncontroller1;
    Button mbtncontroller2;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.relative_layout_activity);

        initializeControls();

    }

    private void initializeControls() {
        // TODO Auto-generated method stub

        mbtn1 = (Button)findViewById(R.id.btn1);
        mbtn2 = (Button)findViewById(R.id.btn2);
        mbtncontroller1 = (Button)findViewById(R.id.btnctrl1);
        mbtncontroller2 = (Button)findViewById(R.id.btnctrl2);


        //I am changing the layout here on Button clicks named(mbtncontroller1 and mbtncontroller2 respectively) 
        //You can do the same according to you condition if the language = "bla bla" this layout else that layout


        mbtncontroller1.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View v) {
                // TODO Auto-generated method stub
                layout1();

            }
        });


        mbtncontroller2.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View v) {
                // TODO Auto-generated method stub


                layout2();
            }
        });


    }

    private void layout1()
    {
         //These layout params actually help in accessing the properties of relative layout or Linear layout (here we are using Relative Layout)
                RelativeLayout.LayoutParams relativeParamsleft = new RelativeLayout.LayoutParams(LayoutParams.WRAP_CONTENT,LayoutParams.WRAP_CONTENT);
                RelativeLayout.LayoutParams relativeParamsright = new RelativeLayout.LayoutParams(LayoutParams.WRAP_CONTENT,LayoutParams.WRAP_CONTENT);

                relativeParamsleft.addRule(RelativeLayout.ALIGN_PARENT_RIGHT);// helps in assging properties of relative layout that actually we easily get in XML layout
                mbtn2.setLayoutParams(relativeParamsleft); // we need to set these layout params to the View.

                relativeParamsright.addRule(RelativeLayout.ALIGN_PARENT_LEFT);
                mbtn1.setLayoutParams(relativeParamsright);

    }

    private void layout2()
    {

        RelativeLayout.LayoutParams relativeParamsleft = new RelativeLayout.LayoutParams(LayoutParams.WRAP_CONTENT,LayoutParams.WRAP_CONTENT);
        RelativeLayout.LayoutParams relativeParamsright = new RelativeLayout.LayoutParams(LayoutParams.WRAP_CONTENT,LayoutParams.WRAP_CONTENT);

        relativeParamsleft.addRule(RelativeLayout.ALIGN_PARENT_LEFT);
        mbtn2.setLayoutParams(relativeParamsleft);

        relativeParamsright.addRule(RelativeLayout.ALIGN_PARENT_RIGHT);
        mbtn1.setLayoutParams(relativeParamsright);

    }

    }