Android Studio 上Activity的互相切換
阿新 • • 發佈:2018-12-29
Activity上有兩個按鈕,切換到其他兩個Activity。
1、先建立兩個Button,一個Textview
2、給兩個Button新增監聽器,實現如下程式碼
public class MainActivity extends AppCompatActivity { Button bt1_2, bt1_3; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); bt1_2 = (Button) findViewById(R.id.button_t2); bt1_3 = (Button) findViewById(R.id.button_t3); //建立監聽器 bt1_2.setOnClickListener(listener); bt1_3.setOnClickListener(listener2); } //實現監聽器1:按鍵1,跳到第2張 Button.OnClickListener listener = new Button.OnClickListener() { public void onClick(View v) { Intent intent = new Intent(MainActivity.this, Main2Activity.class); startActivity(intent); MainActivity.this.finish(); } }; //實現監聽器2:按鍵2,跳到第3張 Button.OnClickListener listener2 = new Button.OnClickListener() { public void onClick(View v) { Intent intent = new Intent(MainActivity.this, Main3Activity.class); startActivity(intent); MainActivity.this.finish(); } }; }