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| public class PhoneMemoryActivity extends AppCompatActivity {
private ListView mList = null;
private List<File> mDirectoryList = null;
private DirectoryAdaptater mAdaptater = null;
private File mRoot = null;
private File mCurrentDirectory = null;
private File mCurrentClick = null;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_phone_memory);
init();
setTitle(mRoot.getAbsolutePath());
File[] ff = ContextCompat.getExternalFilesDirs(this, null);;
for (File f : ff) {
mDirectoryList.add(f);
}
mAdaptater = new DirectoryAdaptater(this, 0, mDirectoryList);
mList.setAdapter(mAdaptater);
mList.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
File f = mAdaptater.getItem(position);
mCurrentDirectory = f;
setTitle(f.getAbsolutePath());
mAdaptater.update(f.listFiles());
}
});
mList.setOnItemLongClickListener(new AdapterView.OnItemLongClickListener() {
@Override
public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) {
File file = (File) parent.getItemAtPosition(position);
DialogFragment df = ModifyFileDialogFragment.newInstance(R.string.app_name);
df.show(getSupportFragmentManager().beginTransaction(), "dialog");
df.getArguments().putSerializable("file", file);
return (true);
}
});
}
@Override
public void onBackPressed()
{
if (!mCurrentDirectory.getName().equals(mRoot.getName())) {
File f = mCurrentDirectory.getParentFile();
mCurrentDirectory = f;
setTitle(f.getAbsolutePath());
mAdaptater.update(f.listFiles());
} else
super.onBackPressed();
}
private void init() {
mDirectoryList = new ArrayList<File>();
mList = (ListView) findViewById(R.id.listView);
mRoot = Environment.getRootDirectory().getParentFile();
mRoot = null;
if (mRoot.listFiles() == null)
System.out.println("MROOT =================================== NULL " + Environment.getExternalStorageDirectory().toString());
else
System.out.println("MROOT !=================================== NULL --->" + Environment.getExternalStorageDirectory().toString());
mCurrentDirectory = mRoot;
}
public static void deleteFile() {
}
} |
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