第一種方式[java] package com.app; import android.os.Bundle; import android.app.Activity; import android.content.Intent; import android.view.MotionEvent; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; public class MainActivity extends Activity { protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); Button button = (Button) findViewById(R.id.button1); button.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub Intent intent = new Intent(MainActivity.this,SecondActivity.class); startActivity(intent); } }); } } 第二種方式[java] package com.app; import android.app.Activity; import android.content.Intent; import android.os.Bundle; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; public class SecondActivity extends Activity implements OnClickListener{ private Button button1; @Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); setContentView(R.layout.activity_welcome); button1 = (Button) findViewById(R.id.button1); button1.setOnClickListener(this); } @Override public void onClick(View v) { // TODO Auto-generated method stub switch (v.getId()) { case R.id.button1: Intent intent = new Intent(); intent.setClass(SecondActivity.this, ThirdActivity.class); startActivity(intent); break; default: break; } } } 第三種方式[java] package com.app; import android.app.Activity; import android.content.Intent; import android.os.Bundle; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; public class ThirdActivity extends Activity{ private Button_OnClick mbutton = new Button_OnClick(); @Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); setContentView(R.layout.activity_third); Button button = (Button) findViewById(R.id.button1); button.setOnClickListener(mbutton); } class Button_OnClick implements OnClickListener{ @Override public void onClick(View v) { // TODO Auto-generated method stub switch (v.getId()) { case R.id.button1: Intent intent = new Intent(); intent.setClass(ThirdActivity.this, MainActivity.class); startActivity(intent); break; default: break; } } } }