content: package yifeiyuan.practice.practicedemos.intent;
  
  import android.content.Intent;
  import android.os.Bundle;
  import android.support.design.widget.FloatingActionButton;
  import android.support.design.widget.Snackbar;
  import android.support.v7.app.AppCompatActivity;
  import android.support.v7.widget.Toolbar;
  import android.view.View;
  import android.widget.TextView;
  
  import butterknife.ButterKnife;
  import butterknife.InjectView;
  import yifeiyuan.practice.practicedemos.R;
  
  public class LaunchmodeActivity extends AppCompatActivity {
  
      @InjectView(R.id.toolbar)
      Toolbar mToolbar;
      @InjectView(R.id.tv_b)
      TextView mTvB;
      @InjectView(R.id.fab)
      FloatingActionButton mFab;
  
      @Override
      protected void onCreate(Bundle savedInstanceState) {
          super.onCreate(savedInstanceState);
          setContentView(R.layout.activity_launchmode);
          ButterKnife.inject(this);
          Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
          setSupportActionBar(toolbar);
  
          FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
          fab.setOnClickListener(new View.OnClickListener() {
              @Override
              public void onClick(View view) {
                  Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
                          .setAction("Action", null).show();
              }
          });
  
          mTvB.append(" TaskId:" + getTaskId());
          mTvB.setOnClickListener(v -> startActivity(new Intent(LaunchmodeActivity.this, AffinityActivityC.class)));
      }
  
  }
  