種子論壇 | 高雄市資訊培育協會學員討論區

package com.example.tony.ch47_collapsingtoolbarlayout;
import android.support.design.widget.CollapsingToolbarLayout;
import android.support.design.widget.CoordinatorLayout;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.Snackbar;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Toast;
public class MainActivity extends AppCompatActivity {
FloatingActionButton fab;
CoordinatorLayout cl;
CollapsingToolbarLayout ctl;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
cl= (CoordinatorLayout) findViewById(R.id.coordinatorLayout);
ctl= (CollapsingToolbarLayout) findViewById(R.id.collapsingToolbar);
ctl.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Snackbar.make(cl,"您點擊了上方的Banner",Snackbar.LENGTH_SHORT).show();
}
});
fab= (FloatingActionButton) findViewById(R.id.fab);
fab.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Snackbar.make(cl,"查看今日運勢？",Snackbar.LENGTH_INDEFINITE).setAction("確定", new View.OnClickListener() {
@Override
public void onClick(View v) {
String str[]={"吉","普通","凶"};
int r=(int)(Math.random()*3);
Toast.makeText(MainActivity.this,str[r],Toast.LENGTH_SHORT).show();
}
}).show();
}
});
}
}

複製代碼