实现首次安装应用出现的,之后再次进入就不会出现了
import android.content.Intent;
import android.content.SharedPreferences;
import android.support.v4.view.ViewPager;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import yunifang.bawei.administrator.yunifang.Adapter.DaoHangViewPagerAdapter;
public class DaoHangActivity extends AppCompatActivity {
private ViewPager vp;
private Button btn;
boolean s;
int []maps=new int[]{
R.mipmap.xiaomi_guidance_1,R.mipmap.xiaomi_guidance_2,R.mipmap.xiaomi_guidance_3,R.mipmap.xiaomi_guidance_4,R.mipmap.xiaomi_guidance_5
};
// private SharedPreferences sp;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_dao_hang);
//得到控件id
vp= (ViewPager) findViewById(R.id.main_vp);
btn= (Button) findViewById(R.id.main_btn);
SharedPreferences sp = getSharedPreferences("bb", MODE_PRIVATE);
if(sp.getBoolean("one",false)){
startActivity(new Intent(DaoHangActivity.this,ZhuActivity.class));
finish();
}
vp.setAdapter(new DaoHangViewPagerAdapter(this,maps));
btn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
SharedPreferences sp = getSharedPreferences("bb", MODE_PRIVATE);
SharedPreferences.Editor edit = sp.edit();
s=true;
edit.putBoolean("one",s);
edit.commit();
startActivity(new Intent(DaoHangActivity.this,ZhuActivity.class));
finish();
}
});
}
}