Button按鈕的按下和擡起點選事件
阿新 • • 發佈:2019-01-30
import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.MotionEvent; import android.view.View; import android.widget.Button; import android.widget.Toast; public class MainActivity extends AppCompatActivity { private Button button; @Override protected voidonCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); ButtonListener b=new ButtonListener(); button = (Button) findViewById(R.id.button); button.setOnClickListener(b); button.setOnTouchListener(b); } class ButtonListener implementsView.OnClickListener,View.OnTouchListener { @Override public void onClick(View view) { if(view.getId()==R.id.button){ } } @Override public boolean onTouch(View view, MotionEvent motionEvent) { if(view.getId()==R.id.button){ if(motionEvent.getAction()==MotionEvent.ACTION_UP){ Toast.makeText(MainActivity.this,"還好鬆開了",Toast.LENGTH_SHORT).show(); }else if(motionEvent.getAction()==MotionEvent.ACTION_DOWN){ Toast.makeText(MainActivity.this,"點我幹啥",Toast.LENGTH_SHORT).show(); } } return false; } } }