Question

我正在开发一个项目，显示SD卡目录中的文件列表。我显示的所有文件都是.xls文件。我的手机里有一个XLS阅读器，我想打开列表视图中点击的文件。这是我的代码：

protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,WindowManager.LayoutParams.FLAG_FULLSCREEN);
        setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE);
        setContentView(R.layout.activity_subjects_list);

        final Animation myAnim = AnimationUtils.loadAnimation(this, R.anim.abc_grow_fade_in_from_bottom);
        Typeface tf = Typeface.createFromAsset(getAssets(), "fonts/myfont.ttf");
        subjectslistview = (ListView) findViewById(R.id.subjectslistview);
        addSubjectbutton = (ImageButton) findViewById(R.id.subjectslistfabutton);

        adapter = new ArrayAdapter<String>(this,android.R.layout.simple_list_item_1, fileList);
        subjectslistview.setAdapter(adapter);
        subjectslistview.setOnItemClickListener(this);

    //attempt to connect to SD card
    String path = Environment.getExternalStorageDirectory().toString() + "/SPAMS excel files";
    File dir = new File(path);

    File files[] = dir.listFiles();
    for(int i =0; i < files.length; i++){
        fileList.add(files[i].getName());
    }

    addSubjectbutton.setOnClickListener(new OnClickListener() {

        @Override
        public void onClick(View v) {
            v.startAnimation(myAnim);
            Toast.makeText(getApplicationContext(), "I am touched.",
                    Toast.LENGTH_SHORT).show();

            v.postDelayed(new Runnable() {

                @Override
                public void run() {
                    Intent goto_addsubj = new Intent(SubjectsListActivity.this,
                            AddSubjectActivity.class);
                    startActivity(goto_addsubj);
                    finish();
                }
            }, 130);

        }
    });


}

    @Override
    public void onItemClick(AdapterView<?> parent, View view, int position,
        long id) {

        TextView temp = (TextView) view;
        Toast.makeText(this, temp.getText() + " " + position,
            Toast.LENGTH_SHORT).show();

}

我希望你的帮助！请帮我。非常感谢你:)）

Answer 1

您要做的是有意图启动XLS阅读器（假设XLS阅读器具有您可以启动的意图）。

单击该项目时，将uri抓取到该文件，然后启动意图。

Uri uri = new Uri(path);
Intent intent = new Intent(Intent.ACTION_VIEW);
intent.setDataAndType(uri, "application/vnd.ms-excel");

try {
    startActivity(intent);
} 
catch (ActivityNotFoundException e) {
    Toast.makeText(context, "No Application Available",Toast.LENGTH_SHORT).show();
}

android：从列表视图中列出的文件列表中打开文件

1 个答案: