当我在firstActivity(MainActivity)
2个imageviews使图像中的第一项活动invisble当我点击签到图像,然后将其移动到SignUp Activity
... 这里当我注册图像点击然后再它会来MainActivity
..和在这里,我不得不做出firstName
图像隐形..如何从次活动导航到第一个活动
public class MainActivity extends Activity {
ImageView firstName,signIn ;
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
firstName =(ImageView)findViewById(R.id.imageView1);
signIn =(ImageView)findViewById(R.id.imageView2);
signIn.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Intent intent = new Intent(getApplicationContext(),SignUp.class);
startActivity(intent);
}
});
}
protected void onStart() {
super.onStart();
Log.i(TAG, "onStart");
String mm ="5";
Intent i= getIntent(); String s = i.getStringExtra("PrevAct");
if (mm ==s) {
firstName.setVisibility(View.GONE);
}
}
public class SignUp extends Activity {
ImageView signUp;
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.signup);
signUp =(ImageView)findViewById(R.id.imageView3);
signUp.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Intent intent = new Intent(getApplicationContext(), MainActivity.class);
intent.addFlags(Intent.FLAG_ACTIVITY_REORDER_TO_FRONT);
intent.putExtra("PrevAct","5");
startActivity(intent);
}
});
}}
Intent intent = new Intent(getApplicationContext(),MainActivity.class); \t \t \t \t intent.addFlags(Intent.FLAG_ACTIVITY_REORDER_TO_FRONT); \t \t \t \t intent.putExtra(“PrevAct”,“5”); \t \t \t \t \t \t \t \t \t \t \t \t startActivity(意向); 保护无效onStart(){ \t \t super.onStart(); \t \t日志。我(标签,“onStart”); \t \t \t \t \t 字符串\t毫米= “5”; \t \t Intent i = getIntent(); String s = i.getStringExtra(“PrevAct”); \t \t \t 如果\t(毫米== S){ \t \t \t \t \t \t \t \t \t loginWith.setVisibility(View.GONE); \t \t \t signIn.setVisibility(View.GONE); \t \t} \t \t \t \t \t} – user1862322
感谢reply..i已经chaged喜欢的但不能getting..in mainactivity我把代码中的onStop()... – user1862322