Android(安卓)Activity之间通信
16lz
2021-01-26
package com.example.myapp;import android.app.Activity;import android.content.DialogInterface;import android.content.Intent;import android.os.Bundle;import android.view.View;import android.widget.Button;public class MyActivity extends Activity { private Button btnOk = null; /** * Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); btnOk = (Button)findViewById(R.id.btnCallOther); btnOk.setOnClickListener(new MyButtonListener()); } class MyButtonListener implements View.OnClickListener { @Override public void onClick(View view) { Intent intent = new Intent(); intent.putExtra("key","value"); intent.setClass(MyActivity.this,otherActivity.class); MyActivity.this.startActivity(intent); } }}
package com.example.myapp;import android.app.Activity;import android.content.Intent;import android.os.Bundle;import android.widget.TextView;/** * Created by chang on 14-9-17. */public class otherActivity extends Activity{ private TextView tv = null; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.other); Intent intent = getIntent(); String s = intent.getStringExtra("key"); tv = (TextView)findViewById(R.id.otherTextView); tv.setText(s); }}
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