Q&A
現在android studioで以下のコード(https://github.com/qq273681448/Mindmap)を参考にしてロジカルツリーのアプリを作っています。今私が解決したい問題としましては、
１、clickしたボタンに打ったテキストを表示できるようにする。
２、ボタンをクリックした場合、ランダムで次のボタンが出てくるのでクリックした数だけボタンが出てくるようにする。
という内容です。以下にコードを載せますのでどうかご協力おねがいします。
public void drawbutton(int button_y, int button_x, int line_x, final int tree_current, final nodechild[] nc, String nodeid) { // 存储线的起点y坐标 int line_y = button_y; // 这个只是为了区分业务中偶数层button宽度为300，齐数层为200 button_x = tree_current % 2 == 1 ? button_x : button_x - 100; // 得到下一层级需要绘制的数量 int num = 1; if (tree_current != 1) num = nc.length;// 下一层个数 // 得到下一级第一个按钮的y坐标 button_y = button_y - (num - 1) * bt_width / 2; if (button_y < tree_xnum[tree_current]) { button_y = tree_xnum[tree_current] + 100; } // 移动当前布局到页面中心 if (tree_current > 2) hv.scrollTo(button_x - 400, button_y - 100); if (tree_xnum[tree_current] < button_y + 200 + (num - 1) * bt_width) tree_xnum[tree_current] = button_y + 200 + (num - 1) * bt_width; // 存储下一级首个button坐标 final int button_y_f = button_y; final int button_x_f = button_x; for (int i = 0; i < num; i++) { final int bt_paly_y = bt_width; int bt_w = tree_current % 2 == 0 ? bt_width : 200; int bt_h = 200; // 定义及设置button属性 bt[i] = new Button(this); if (tree_current % 2 != 0) { bt[i].setBackgroundResource(R.drawable.allokbutton); } else { bt[i].setBackgroundResource(R.drawable.button33); } bt[i].setTextColor(Color.WHITE); bt[i].setTextSize(15 - (int) Math.sqrt(nc[i].getName().length() - 1)); bt[i].setText(nc[i].getName()); // 定义及设置出场动画 final String nc_id = nc[i].getId(); ScaleAnimation animation = new ScaleAnimation(0.0f, 1.0f, 0.0f, 1.0f, Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF, 0.5f); animation.setInterpolator(new BounceInterpolator()); animation.setStartOffset(tree_current == 1 ? 1050 : 50);// 动画秒数。 animation.setFillAfter(true); animation.setDuration(700); bt[i].startAnimation(animation); final int i1 = i; // 设置监听 bt[i].setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { LayoutInflater inflater = LayoutInflater.from(MainActivity.this); View view = inflater.inflate(R.layout.dialog_edit_el, null); final EditText editText= (EditText)view.findViewById(R.id.etEditEl); new AlertDialog.Builder(MainActivity.this) .setTitle("Hello, AlertDialog!") .setView(view) .setPositiveButton( "Close", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { String text = editText.getText().toString(); bt[1].setText(text); } }) .show(); if (model) mstack.pop(tree_current); // 防止多次点击，偷懒的解决办法 if (((Button)v).getHint() != null) { Toast.makeText(getApplicationContext(), ((Button)v).getText(), Toast.LENGTH_LONG).show(); return; } ((Button)v).setHint("1"); insertLayout.setEnabled(false); int w = button_y_f + i1 * bt_paly_y; int h = button_x_f + bt_paly_y / 2 * 3; getRemoteInfo(w, h, button_y_f + i1 * bt_paly_y, button_x_f, tree_current + 1, nc_id, nc[i1].getButeid()); } }); // 把button通过布局add到页面里 layoutParams[i] = new RelativeLayout.LayoutParams(bt_w, bt_h); layoutParams[i].topMargin = button_y + i * bt_paly_y; layoutParams[i].leftMargin = button_x; insertLayout.addView(bt[i], layoutParams[i]); // 把线绘制到页面里 if (tree_current != 1) { if (button_y + 100 + i * 300 - (line_y + 100) >= 0) {//为了优化内存，也是醉了 view = new DrawGeometryView(this, 50, 50, button_x + 100 - (line_x + bt_paly_y) + 50 + (tree_current % 2 == 0 ? 100 : 0), button_y + 100 + i * 300 - (line_y + 100) + 50, nc[i].getButetype()); layoutParams1[i] = new RelativeLayout.LayoutParams(Math.abs(line_x - button_x) + 500, 100 + button_y + i * 300 - line_y); view.invalidate(); layoutParams1[i].topMargin = (line_y + 100) - 50;// line_y-600;//Math.min(line_y+100,button_y+100 layoutParams1[i].leftMargin = (line_x + bt_paly_y) - 50;// line_x+300; if (tree_current % 2 == 0) layoutParams1[i].leftMargin -= 100; insertLayout.addView(view, layoutParams1[i]); } else { view = new DrawGeometryView(this, 50, -(button_y + 100 + i * 300 - (line_y + 100)) + 50, button_x - line_x - 150 + (tree_current % 2 == 0 ? 100 : 0), 50, nc[i].getButetype()); layoutParams1[i] = new RelativeLayout.LayoutParams(Math.abs(line_x - button_x) + 500, 100 + Math.abs(button_y + i * 300 - line_y)); view.invalidate(); layoutParams1[i].topMargin = (button_y + 100 + i * 300) - 50;// line_y-600;//Math.min(line_y+100,button_y+100 layoutParams1[i].leftMargin = (line_x + bt_paly_y) - 50;// line_x+300; if (tree_current % 2 == 0) layoutParams1[i].leftMargin -= 100; insertLayout.addView(view, layoutParams1[i]); } // line入栈 mstack.push(view, tree_current); } // button入栈 mstack.push(bt[i], tree_current); } } public synchronized void getRemoteInfo(int paly_y, int paly_x, int ppaly_y, int ppaly_x, int tree_h, String nodeid, String buteid) { int n = 1; Random random = new Random(); n = random.nextInt(4) + 1; nodechild[] nc = new nodechild[n]; for (int i = 0; i < n; i++) { nc[i] = new nodechild("1", "你好"); } drawbutton(paly_y, paly_x, ppaly_x, tree_h, nc, nodeid); } public class Mystack { View[] v = new View[1500]; int[] treehigh = new int[1500]; int size = 0; public void push(View view, int treecurrent) { size++; v[size] = view; treehigh[size] = treecurrent; } public void pop(int treecurrent) { while (treehigh[size] > treecurrent && size > 0) { if (size > 0) insertLayout.removeView(v[size]); size--; } for (int j = 49; j > treecurrent; j--) {//树高清0 tree_xnum[j] = 0; } for (int x = size; x > 0; x--) { if (treehigh[x] > treecurrent) { insertLayout.removeView(v[x]); }//修复栈顶元素被前一层树元素占用bug，但是会浪费少量内存，考虑到内存很小，暂时不优化吧。 if (treehigh[x] == treecurrent) { try { ((Button) v[x]).setHint(null); } catch (Exception e) { e.printStackTrace(); } } } } } }
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