安装apk程序进android

 package com.example.installmyapk;

 import java.io.File;

 import android.net.Uri;
 import android.os.Bundle;
 import android.app.Activity;
 import android.content.Intent;
 import android.view.Menu;
 import android.view.View;
 import android.widget.EditText;

 public class MainActivity extends Activity {
     private EditText et_path;
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);

         et_path = (EditText) findViewById(R.id.et_path);
     }

     public void click(View view){
         String path = et_path.getText().toString().trim();

         Intent intent = new Intent();
         intent.setAction("android.intent.action.VIEW");
         intent.addCategory("android.intent.category.DEFAULT");

         intent.setDataAndType(Uri.fromFile(new File(path)), "application/vnd.android.package-archive");
         startActivity(intent);
     }

 }