Android development path-coding implementation software interface

Implement a login interface:

Relative layout:

Package CN. csdn. codeui; import android. app. activity; import android. OS. bundle; import android. view. viewgroup. layoutparams; import android. widget. button; import android. widget. edittext; import android. widget. relativelayout; import android. widget. textview; public class loginrelativeactivity extends activity {protected void oncreate (bundle savedinstancestate) {super. oncreate (savedinstancestate); initui ();} private void initui () {relativelayout rlayout = new relativelayout (this); int id = 100; /** Add a textview */textview textview1 = new textview (this);/** Android: Id = "" */textview1.setid (ID);/** Android: TEXT = "username:" */textview1.settext ("username:");/** Android: layout_width = "wrap_content" Android: layout_height = "wrap_content" */relativelayout. layoutparams textparams1 = new relativelayout. layoutparams (layoutparams. wrap_content, layoutparams. wrap_content);/** Android: layout_alignparentleft = "true" */textparams1.addrule (relativelayout. align_parent_left); rlayout. addview (textview1, textparams1); // int id1 = 200; edittext useredit = new edittext (this); useredit. setid (id1); relativelayout. layoutparams editparams1 = new relativelayout. layoutparams (layoutparams. fill_parent, layoutparams. wrap_content);/** Android: layout_torightof = "id value" */editparams1.addrule (relativelayout. right_of, ID); rlayout. addview (useredit, editparams1); // int id = 300; textview textview2 = new textview (this); textview2.setid (ID ); textview2.settext ("Password:"); relativelayout. layoutparams textparams2 = new relativelayout. layoutparams (layoutparams. wrap_content, layoutparams. wrap_content); textparams2.addrule (relativelayout. below, id1); rlayout. addview (textview2, textparams2); // int id1 = 400; edittext passedit = new edittext (this); passedit. setid (id1); relativelayout. layoutparams editparams2 = new relativelayout. layoutparams (layoutparams. fill_parent, layoutparams. wrap_content); editparams2.addrule (relativelayout. below, id1); editparams2.addrule (relativelayout. right_of, ID); rlayout. addview (passedit, editparams2); // int Id2 = 500; button login = new button (this); login. setid (Id2); login. settext ("login"); relativelayout. layoutparams loginparams = new relativelayout. layoutparams (layoutparams. wrap_content, layoutparams. wrap_content); loginparams. addrule (relativelayout. below, id1); loginparams. addrule (relativelayout. align_parent_right); rlayout. addview (login, loginparams); // button insert = new button (this); insert. settext ("register"); relativelayout. layoutparams insertparams = new relativelayout. layoutparams (layoutparams. wrap_content, layoutparams. wrap_content); insertparams. addrule (relativelayout. below, id1); insertparams. addrule (relativelayout. left_of, Id2); rlayout. addview (insert, insertparams); setcontentview (rlayout );}}

 

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Table layout:

Package CN. csdn. codeui; import android. app. activity; import android. OS. bundle; import android. view. viewgroup. layoutparams; import android. widget. button; import android. widget. edittext; import android. widget. tablelayout; import android. widget. tablerow; import android. widget. textview; public class logintableactivity extends activity {protected void oncreate (bundle savedinstancestate) {super. oncreate (savedinstancestate); initui ();} private void initui () {// table layout tablelayout tlayout = new tablelayout (this); tlayout. setcolumnstretchable (1, true); // row tablerow tablerow1 = new tablerow (this); textview textview1 = new textview (this); textview1.settext ("username :"); tablerow1.addview (textview1); edittext useredit = new edittext (this); tablerow1.addview (useredit); tlayout. addview (tablerow1); tablerow tablerow2 = new tablerow (this); textview textview2 = new textview (this); textview2.settext ("Password:"); tablerow2.addview (textview2 ); edittext passedit = new edittext (this); tablerow2.addview (passedit); tlayout. addview (tablerow2); tablerow tablerow3 = new tablerow (this); button btn0 = new button (this); btn0.settext ("login"); tablerow3.addview (btn0 ); button btn1 = new button (this); btn1.settext ("register"); tablerow3.addview (btn1); tlayout. addview (tablerow3); setcontentview (tlayout );}}

 

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Linear layout:

Package cn. csdn. codeui; import android. app. activity; import android. OS. bundle; import android. view. viewGroup. layoutParams; import android. widget. button; import android. widget. editText; import android. widget. linearLayout; import android. widget. textView; public class LoginLinearActivity extends Activity {@ Overrideprotected void onCreate (Bundle savedInstanceState) {// TODO Auto-generated method stubsuper. onCreate (savedInstanceState); init ();} private void init () {// linear layout LinearLayout linearLayout = new LinearLayout (this);/** android: orientation = "vertical" */linearLayout. setOrientation (LinearLayout. VERTICAL); LayoutParams layoutParams = new LayoutParams (LayoutParams. FILL_PARENT, LayoutParams. FILL_PARENT); // TextView userText = new TextView (this); userText. setText ("username:"); LayoutParams userTextParams = new LayoutParams (LayoutParams. FILL_PARENT, LayoutParams. WRAP_CONTENT); linearLayout. addView (userText, userTextParams); /////// EditText userEdit = new EditText (this); LayoutParams userEditParams = new LayoutParams (LayoutParams. FILL_PARENT, LayoutParams. WRAP_CONTENT); linearLayout. addView (userEdit, userEditParams); // TextView passText = new TextView (this); passText. setText ("Password:"); LayoutParams passTextParams = new LayoutParams (LayoutParams. FILL_PARENT, LayoutParams. WRAP_CONTENT); linearLayout. addView (passText, passTextParams); ///// EditText passEdit = new EditText (this); LayoutParams passEditParams = new LayoutParams (LayoutParams. FILL_PARENT, LayoutParams. WRAP_CONTENT); linearLayout. addView (passEdit, passEditParams); // Button login = new Button (this); login. setText ("login"); LayoutParams loginParams = new LayoutParams (LayoutParams. FILL_PARENT, LayoutParams. WRAP_CONTENT); linearLayout. addView (login, loginParams); // Button insert = new Button (this); insert. setText ("register"); LayoutParams insertParams = new LayoutParams (LayoutParams. FILL_PARENT, LayoutParams. WRAP_CONTENT); linearLayout. addView (insert, insertParams); setContentView (linearLayout, layoutParams );}}

 

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