摘要： import android.os.Bundle;import android.os.Handler;import android.os.Message;import android.app.Activity;public class MainActivity extends Activity {@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);mHandler.sendEmp 阅读全文

摘要： android:textAppearancexml布局里面设置文字的外观：如“android:textAppearance=“?android:attr/textAppearanceLargeInverse”这里引用的是系统自带的一个外观，？表示系统是否有这种外观，否则使用默认的外观。可设置的值如下：textAppearanceButton/textAppearanceInverse/ textAppearanceLarge/ textAppearanceLargeInverse/textAppearanceMedium/ textAppearanceSmallInverse/textApp. 阅读全文