如何动态设置textview高度android
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How to dynamically set textview height android
提问by neha
In my application I need to set dynamic text to my textview so I want it to get resized dynamically. I have set:
在我的应用程序中，我需要为我的 textview 设置动态文本，因此我希望它能够动态调整大小。我已经设定：
<TextView
android:id="@+id/TextView02"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textStyle="normal"
android:text="Frontview"
android:layout_weight="1"
android:gravity="center_vertical"
android:textColor="#0099CC"
android:singleLine="false"
android:maxLines="4"
android:ellipsize="marquee"
/>
My textview height is not going beyond 2 lines and the text is getting cut. Can anybody please help?
我的 textview 高度不会超过 2 行，并且文本正在被剪切。有人可以帮忙吗？
Thanx in advance.
提前谢谢。
回答by Aaron C
As Konstantin said, this code will probably be ignored after you exceed 4 lines unless you remove android:maxLines="4"
正如康斯坦丁所说，除非您删除，否则超过 4 行后，此代码可能会被忽略 android:maxLines="4"
This is how you would set the height in code:
这是您在代码中设置高度的方式：
TextView tv = (TextView) findViewById(R.id.TextView02);
int height_in_pixels = tv.getLineCount() * tv.getLineHeight(); //approx height text
tv.setHeight(height_in_pixels);
If you want to use dip units, which allows your app to scale across multiple screen sizes, you would multiply the pixel count by the value returned by getResources().getDisplayMetrics().density;
如果您想使用倾角单位，它允许您的应用程序跨多个屏幕尺寸进行缩放，您可以将像素数乘以返回的值 getResources().getDisplayMetrics().density;
This depends on your desired behavior, but you might also consider having the TextView size fixed, and allowing the user to scroll the text:
这取决于您想要的行为，但您也可以考虑固定 TextView 大小，并允许用户滚动文本：
TextView tv = (TextView)findViewById(R.id.TextView02);
tv.setMovementMethod(ScrollingMovementMethod.getInstance());
回答by AnilPatel
TextView tv;
----------------------
tv=new TextView(this); // you take TextView id (R.id.textview1)
LinearLayout.LayoutParams Params1 = new LinearLayout.LayoutParams(15,50);
tv.setLayoutParams(Params1); //you take linearlayout and relativelayout.
回答by Konstantin Burov
Remove android:maxLines="4", it restricts height of your view to 4 lines of text.
删除 android:maxLines="4"，它将视图的高度限制为 4 行文本。
