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  • Android Activity之间通信

    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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  • 原文地址:https://www.cnblogs.com/mengfanrong/p/5084947.html
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