怎么使用android控制密码显示与隐藏

这篇文章主要讲解了“怎么使用android控制密码显示与隐藏”，文中的讲解内容简单清晰，易于学习与理解，下面请大家跟着小编的思路慢慢深入，一起来研究和学习“怎么使用android控制密码显示与隐藏”吧！

<RelativeLayout
            android:id="@+id/view2"
            android:layout_width="match_parent"
            android:layout_height="60dp"
            android:layout_marginTop="20dp">

            <TextView
                android:id="@+id/tv_phone"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_centerVertical="true"
                android:layout_marginStart="15dp"
                android:text="新密码:"
                android:textColor="@color/font_color_11"
                android:textSize="16sp" />

            <EditText
                android:id="@+id/et_phone"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_centerVertical="true"
                android:layout_marginEnd="15dp"
                android:layout_toEndOf="@id/tv_phone"
                android:background="@null"
                android:paddingStart="10dp"
                android:password="true"
                android:text="18333619388"
                android:textColor="@color/textcolor"
                android:textSize="16sp" />

            <ImageView
                android:id="@+id/iv_newpw"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_centerVertical="true"
                android:layout_marginLeft="-60dp"
                android:layout_toEndOf="@id/et_phone"
                android:background="@mipmap/uneye" />

            <View
                android:layout_width="match_parent"
                android:layout_height="0.5dp"
                android:layout_alignParentBottom="true"
                android:layout_marginLeft="18.5dp"
                android:layout_marginRight="18.5dp"
                android:background="@color/base_color_2" />
</RelativeLayout>

private ImageView ivNewpw;
private EditText etPhone;


ivNewpw = (ImageView) findViewById(R.id.iv_newpw);
etPhone = (EditText) findViewById(R.id.et_phone);
ivNewpw.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                TransformationMethod method = etPhone.getTransformationMethod();
                if (method == HideReturnsTransformationMethod.getInstance()) {
                    etPhone.setTransformationMethod(PasswordTransformationMethod.getInstance());
                    ivNewpw.setBackgroundResource(R.mipmap.uneye);
                } else {
                    etPhone.setTransformationMethod(HideReturnsTransformationMethod.getInstance());
                    ivNewpw.setBackgroundResource(R.mipmap.eye);
                }
            }
        });

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