Android中使用TabHost 与 Fragment 制作页面切换效果

 import android.content.Context; import android.util.AttributeSet; import android.view.animation.Animation; import android.view.animation.TranslateAnimation; import android.widget.TabHost; public class BoardTabHost extends TabHost { private int currentTab = 0; int duration = 1000;// ms; the bigger the slower public BoardTabHost(Context context) { super(context); } public BoardTabHost(Context context, AttributeSet attr) { super(context, attr); } @Override public void setCurrentTab(int index) { // we need two animation here: first one is fading animation, 2nd one is coming animation // translateAnimation of fading fragment if (index > currentTab) {// fly right to left and leave the screen TranslateAnimation translateAnimation = new TranslateAnimation( Animation.RELATIVE_TO_SELF/* fromXType */, 0f/* fromXValue */, Animation.RELATIVE_TO_SELF/* toXType */, -1.0f/* toXValue */, Animation.RELATIVE_TO_SELF, 0f, Animation.RELATIVE_TO_SELF, 0f ); translateAnimation.setDuration(duration); getCurrentView().startAnimation(translateAnimation); } else if (index  currentTab) { TranslateAnimation translateAnimation = new TranslateAnimation( Animation.RELATIVE_TO_PARENT, 1.0f,/* fly into screen */ Animation.RELATIVE_TO_PARENT, 0f, /* screen location */ Animation.RELATIVE_TO_PARENT, 0f, Animation.RELATIVE_TO_PARENT, 0f ); translateAnimation.setDuration(duration); getCurrentView().startAnimation(translateAnimation); } else if (index 

 import android.support.v4.app.FragmentActivity; import android.os.Bundle; public class BoardActivity extends FragmentActivity { public static final String TAB1 = "tab1"; public static final String TAB2 = "tab2"; public static final String TAB3 = "tab3"; public static BoardTabHost boardTabHost; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_board); boardTabHost = (BoardTabHost) findViewById(android.R.id.tabhost); boardTabHost.setup(); boardTabHost.addTab(boardTabHost.newTabSpec(TAB1).setIndicator(getString(R.string.tab1_name)) .setContent(R.id.fragment_tab1)); boardTabHost.addTab(boardTabHost.newTabSpec(TAB2).setIndicator(getString(R.string.tab2_name)) .setContent(R.id.fragment_tab2)); boardTabHost.addTab(boardTabHost.newTabSpec(TAB3).setIndicator(getString(R.string.tab3_name)) .setContent(R.id.fragment_tab3)); boardTabHost.setCurrentTab(0); } }