瑕佽皟鐢ㄤ竴涓狝ctivity鐨勬柟娉曪紝棣栧厛闇€瑕佽幏鍙朅ctivity鐨勫疄渚嬶紝鐒跺悗閫氳繃璇ュ疄渚嬫潵璋冪敤鏂规硶銆?/p>

浠ヤ笅鏄竴绉嶅父鐢ㄧ殑鏂规硶璋冪敤鏂瑰紡锛?/p>

1. 鍦ㄧ洰鏍嘇ctivity涓畾涔夐渶瑕佽皟鐢ㄧ殑鏂规硶銆備緥濡傦紝鐩爣Activity涓畾涔変簡涓€涓悕涓?quot;doSomething()"鐨勬柟娉曘€?/li>

public class TargetActivity extends AppCompatActivity {
// ...
public void doSomething() {
// ... 鎵ц涓€浜涙搷浣?}
// ...
}

2. 鍦ㄨ皟鐢ㄨ鏂规硶鐨凙ctivity涓紝閫氳繃Intent鍚姩鐩爣Activity锛屽苟鍦ㄥ惎鍔↖ntent涓紶閫掑弬鏁帮紙濡傛灉闇€瑕侊級銆?/li>

public class CallingActivity extends AppCompatActivity {
// ...
public void callTargetActivityMethod() {
Intent intent = new Intent(this, TargetActivity.class);
// 鍙互浣跨敤putExtra()鏂规硶浼犻€掑弬鏁?// intent.putExtra("key", value);
startActivity(intent);
}
// ...
}

3. 鍦ㄧ洰鏍嘇ctivity鐨刼nCreate()鏂规硶涓幏鍙栦紶閫掕繃鏉ョ殑鍙傛暟锛堝鏋滄湁锛夈€?/li>

public class TargetActivity extends AppCompatActivity {
// ...
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_target);
// 鑾峰彇浼犻€掕繃鏉ョ殑鍙傛暟
// Intent intent = getIntent();
// String value = intent.getStringExtra("key");
// ... 鎵ц鍏跺畠鎿嶄綔
}
// ...
}

4. 鍦ㄧ洰鏍嘇ctivity涓殑浠讳綍鍦版柟璋冪敤鎵€闇€鐨勬柟娉曘€?/li>

public class TargetActivity extends AppCompatActivity {
// ...
public void doSomething() {
// ... 鎵ц涓€浜涙搷浣?}
public void callMethodFromAnotherMethod() {
// 鍦ㄨ鏂规硶涓皟鐢╠oSomething()鏂规硶
doSomething();
}
// ...
}

璇锋敞鎰忥紝浠ヤ笂鐨勭ず渚嬫槸鍩轰簬Activity涔嬮棿鐨勮烦杞拰璋冪敤鏂规硶鐨勬柟寮忋€傚鏋滅洰鏍嘇ctivity鏄€氳繃Fragment鎴栧叾浠栨柟寮忓垱寤虹殑锛岃皟鐢ㄦ柟娉曠殑鏂瑰紡鍙兘浼氭湁鎵€涓嶅悓銆?/p>