Font size of TextView in Android application changes on changing font size from native settings

Question

I want to specify my own text size in my application, but I am having a problem doing this.

When I change the font size in the device settings, the font size of my

Answer 1

this may help. add the code in your custom Application or BaseActivity

/**
 * 重写 getResource 方法，防止系统字体影响
 *
 * @return
 */
@Override
public Resources getResources() {
    Resources resources = super.getResources();
    if (resources != null && resources.getConfiguration().fontScale != 1) {
        Configuration configuration = resources.getConfiguration();
        configuration.fontScale = 1;
        resources.updateConfiguration(configuration, resources.getDisplayMetrics());
    }
    return resources;
}

however, Resource#updateConfiguration is deplicated in API level 25, which means it will be unsupported some day in the future.