Question

我想使用ActionBar Icon作为后退按钮转到上一个片段的活动

public class Pride_big extends AppCompatActivity {

private final String Pride_big_Html = "<body><h1>Pride</h1><p>" +
        "Plot No. 37, Sector 5, Kharghar, Navi Mumbai - 410210."
        +"</body>";
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_pride_big);
    Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);
    FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
    fab.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
                    .setAction("Action", null).show();
        }
    });
}

@Override
public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()){
        case android.R.id.home:
            finish();

    }

    return super.onOptionsItemSelected(item);
}
}

使用操作栏后退图标作为后退按钮

0 个答案: